Dianthus Therapeutics, Inc. /DE/ (DNTH)

Data as of Sep 18, 2026, from SEC Form 4 filings.

XNASPHARMACEUTICAL PREPARATIONSNet insider selling (90d)Watch DNTH

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Latest DNTH insider trades

Edward Carr - Officer
Open-market sale$796K
Sep 17, 2026
Edward Carr - Officer
Open-market sale

About Dianthus Therapeutics, Inc. /DE/ (DNTH)

Dianthus Therapeutics Inc. is a clinical-stage biotechnology company dedicated to developing potentially best-in-class therapies for patients with severe autoimmune diseases. The company operates as a single segment and has one reportable segment, focusing on creating next-generation treatments to revolutionize the management of severe autoimmune conditions. The team comprises experienced biotech and pharma executives. The pipeline includes the potential of Claseprubart, a next-generation complement therapeutic.

Headquarters: NEW YORK, NY
Employees: 92
Listed: 2023
Exchange: XNAS
Sector: Health Care

https://www.dianthustx.com SEC filings for DNTH on EDGAR

DNTH Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	30	242,429	$26.12M
Option exercise	26	514,858

Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.

DNTH insider transactions (Form 4)

141

39 Form 4 filings on record, the earliest from Oct 1, 2024, newest first. Filing history page 1 of 2.

Date	Insider	Transaction	Security	Shares	Price	Value
Sep 17, 2026	Edward Carr - Officer	Option exercise	Common Stock	20,000	$17.88	$358K
Sep 17, 2026	Edward Carr - Officer	Open-market sale	Common Stock	7,928	$100.43^{footnote F2}	$796K
Sep 17, 2026	Edward Carr - Officer	Open-market sale	Common Stock	6,771	$101.37^{footnote F3}	$686K
Sep 17, 2026	Edward Carr - Officer	Open-market sale	Common Stock	3,501	$102.39^{footnote F4}	$358K
Sep 17, 2026	Edward Carr - Officer	Open-market sale	Common Stock	1,100	$103.20^{footnote F5}	$114K
Sep 17, 2026	Edward Carr - Officer	Open-market sale	Common Stock	700	$104.39^{footnote F6}	$73K
Sep 17, 2026	Edward Carr - Officer	Option exercise	Stock Option (Right to Buy)	20,000	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $99.98 to $100.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $100.99 to $101.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $101.99 to $102.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $103.05 to $103.38, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F6 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $104.17 to $104.63, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Sep 1, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	7,500	$17.88	$134K
Sep 1, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	6,249	$21.77	$136K
Sep 1, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	9,375	$22.07	$207K
Sep 1, 2026	Simrat Randhawa - Officer	Open-market sale	Common Stock	2,600	$105.19^{footnote F2}	$273K
Sep 1, 2026	Simrat Randhawa - Officer	Open-market sale	Common Stock	7,215	$106.25^{footnote F3}	$767K
Sep 1, 2026	Simrat Randhawa - Officer	Open-market sale	Common Stock	13,309	$106.74^{footnote F4}	$1.42M
Sep 1, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	7,500	$0.00	-
Sep 1, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	6,249	$0.00	-
Sep 1, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	9,375	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $104.50 to $105.46, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $105.53 to $106.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.53 to $107.31, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Aug 19, 2026	Simon Read - Director	Option exercise	Common Stock	2,778	$18.36	$51K
Aug 19, 2026	Simon Read - Director	Open-market sale	Common Stock	2,778	$117.55^{footnote F2}	$327K
Aug 19, 2026	Simon Read - Director	Option exercise	Stock Option (Right to Buy)	2,778	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $117.01 to $117.66, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Aug 13, 2026	Adam M. Veness - Officer	Option exercise	Common Stock	15,000	$18.17	$273K
Aug 13, 2026	Adam M. Veness - Officer	Option exercise	Stock Option (Right to Buy)	15,000	$0.00	-
Aug 10, 2026	Anne McGeorge - Director	Option exercise	Common Stock	1,250	$19.36	$24K
Aug 10, 2026	Anne McGeorge - Director	Option exercise	Common Stock	6,500	$11.20	$73K
Aug 10, 2026	Anne McGeorge - Director	Open-market sale	Common Stock	1,450	$107.58^{footnote F2}	$156K
Aug 10, 2026	Anne McGeorge - Director	Open-market sale	Common Stock	2,800	$108.38^{footnote F3}	$303K
Aug 10, 2026	Anne McGeorge - Director	Open-market sale	Common Stock	1,800	$109.30^{footnote F4}	$197K
Aug 10, 2026	Anne McGeorge - Director	Open-market sale	Common Stock	1,000	$110.64^{footnote F5}	$111K
Aug 10, 2026	Anne McGeorge - Director	Open-market sale	Common Stock	700	$111.41^{footnote F6}	$78K
Aug 10, 2026	Anne McGeorge - Director	Option exercise	Stock Option (Right to Buy)	1,250	$0.00	-
Aug 10, 2026	Anne McGeorge - Director	Option exercise	Stock Option (Right to Buy)	6,500	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.79 to $107.69, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.84 to $108.76, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.89 to $109.86, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.05 to $111.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F6 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $111.15 to $111.63, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Aug 10, 2026	Simon Read - Director	Option exercise	Common Stock	2,777	$18.36	$51K
Aug 10, 2026	Simon Read - Director	Open-market sale	Common Stock	70	$107.11^{footnote F2}	$7K
Aug 10, 2026	Simon Read - Director	Open-market sale	Common Stock	737	$108.17^{footnote F3}	$80K
Aug 10, 2026	Simon Read - Director	Open-market sale	Common Stock	831	$108.95^{footnote F4}	$91K
Aug 10, 2026	Simon Read - Director	Open-market sale	Common Stock	272	$109.96^{footnote F5}	$30K
Aug 10, 2026	Simon Read - Director	Open-market sale	Common Stock	470	$111.05^{footnote F6}	$52K
Aug 10, 2026	Simon Read - Director	Open-market sale	Common Stock	397	$111.77^{footnote F7}	$44K
Aug 10, 2026	Simon Read - Director	Option exercise	Stock Option (Right to Buy)	2,777	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.50 to $107.27, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.54 to $108.53, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.54 to $109.54, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $109.55 to $110.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F6 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.56 to $111.56, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F7 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $111.57 to $111.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Aug 7, 2026	Adam M. Veness - Officer	Option exercise	Common Stock	3,833	$17.88	$69K
Aug 7, 2026	Adam M. Veness - Officer	Open-market sale	Common Stock	3,217	$110.61^{footnote F2}	$356K
Aug 7, 2026	Adam M. Veness - Officer	Open-market sale	Common Stock	616	$111.18^{footnote F3}	$68K
Aug 10, 2026	Adam M. Veness - Officer	Option exercise	Common Stock	16,167	$17.88	$289K
Aug 10, 2026	Adam M. Veness - Officer	Open-market sale	Common Stock	16,167	$110.38^{footnote F4}	$1.78M
Aug 7, 2026	Adam M. Veness - Officer	Option exercise	Stock Option (Right to Buy)	3,833	$0.00	-
Aug 10, 2026	Adam M. Veness - Officer	Option exercise	Stock Option (Right to Buy)	16,167	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.07 to $111.06, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $111.08 to $111.45, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.00 to $110.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Aug 7, 2026	Marino Garcia - Officer	Option exercise	Common Stock	40,000	$8.44	$338K
Aug 7, 2026	Marino Garcia - Officer	Option exercise	Common Stock	126,000	$8.44	$1.06M
Aug 7, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	10,384	$107.49^{footnote F2}	$1.12M
Aug 7, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	23,907	$108.05^{footnote F3}	$2.58M
Aug 7, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	2,373	$109.10^{footnote F4}	$259K
Aug 7, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	2,536	$110.02^{footnote F5}	$279K
Aug 7, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	800	$110.76	$89K
Aug 7, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	104,091	$107.96^{footnote F6}	$11.24M
Aug 7, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	21,909	$108.72^{footnote F7}	$2.38M
Aug 7, 2026	Marino Garcia - Officer	Option exercise	Stock Option (Right to Buy)	40,000	$0.00	-
Aug 7, 2026	Marino Garcia - Officer	Option exercise	Stock Option (Right to Buy)	126,000	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.68 to $107.68, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.68 to $108.67, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.74 to $109.72, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $109.75 to $110.56, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F6 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.52 to $108.46, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the… Full note on SEC EDGAR Footnote F7 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.57 to $108.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Jul 9, 2026	Ryan Savitz - Officer	Option exercise	Common Stock	31,249	$21.77	$680K
Jul 9, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	10,354	$100.22^{footnote F2}	$1.04M
Jul 9, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	15,329	$101.24^{footnote F3}	$1.55M
Jul 9, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	5,566	$101.97^{footnote F4}	$568K
Jul 9, 2026	Ryan Savitz - Officer	Option exercise	Stock Option (Right to Buy)	31,249	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $99.75 to $100.74, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $100.78 to $101.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $101.95 to $102.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Jun 17, 2026	Adam M. Veness - Officer	Open-market sale	Common Stock	13,229	$81.38^{footnote F3}	$1.08M
Jun 17, 2026	Adam M. Veness - Officer	Option exercise	Stock Option (Right to Buy)	30,000	$0.00	-
Jun 17, 2026	Adam M. Veness - Officer	Option exercise	Common Stock	30,000	$17.88	$536K
Jun 17, 2026	Adam M. Veness - Officer	Open-market sale	Common Stock	16,771	$80.34^{footnote F2}	$1.35M
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.00 to $80.99, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.00 to $81.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Jun 1, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	3,998	$8.44	$34K
Jun 1, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	6,908	$17.88	$124K
Jun 1, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	6,249	$21.77	$136K
Jun 1, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	9,375	$22.07	$207K
Jun 1, 2026	Simrat Randhawa - Officer	Open-market sale	Common Stock	5,428	$89.72^{footnote F2}	$487K
Jun 1, 2026	Simrat Randhawa - Officer	Open-market sale	Common Stock	16,943	$90.72^{footnote F3}	$1.54M
Jun 1, 2026	Simrat Randhawa - Officer	Open-market sale	Common Stock	4,159	$91.37^{footnote F4}	$380K
Jun 1, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	3,998	$0.00	-
Jun 1, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	6,908	$0.00	-
Jun 1, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	6,249	$0.00	-
Jun 1, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	9,375	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.17 to $90.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.17 to $91.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $91.17 to $91.96, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
May 21, 2026	Steven J. Romano	Grant or award	Stock Option (Right to Buy)	6,090	$0.00	-
May 21, 2026	Simon Read	Grant or award	Stock Option (Right to Buy)	6,090	$0.00	-
May 21, 2026	Alison Frances Lawton	Grant or award	Stock Option (Right to Buy)	6,090	$0.00	-
May 21, 2026	Anne McGeorge	Grant or award	Stock Option (Right to Buy)	6,090	$0.00	-
May 21, 2026	Sujay Kango	Grant or award	Stock Option (Right to Buy)	6,090	$0.00	-
May 21, 2026	Jonathan Violin	Grant or award	Stock Option (Right to Buy)	6,090	$0.00	-
May 21, 2026	Paula Soteropoulos	Grant or award	Stock Option (Right to Buy)	6,090	$0.00	-
May 8, 2026	Paula Soteropoulos	Option exercise	Common Stock	599	$8.44	$5K
May 8, 2026	Paula Soteropoulos	Open-market sale	Common Stock	599	$85.47	$51K
May 8, 2026	Paula Soteropoulos	Option exercise	Stock Option (Right to Buy)	599	$0.00	-
Apr 9, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	8,224	$89.84^{footnote F2}	$739K
Apr 9, 2026	Ryan Savitz - Officer	Option exercise	Stock Option (Right to Buy)	8,224	$0.00	-
Apr 9, 2026	Ryan Savitz - Officer	Option exercise	Common Stock	8,224	$17.88	$147K
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.75 to $89.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Mar 31, 2026	Ryan Savitz - Officer	Option exercise	Common Stock	74,367	$8.44	$628K
Mar 31, 2026	Ryan Savitz - Officer	Option exercise	Common Stock	40,000	$17.88	$715K
Mar 31, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	1,390	$78.33^{footnote F2}	$109K
Mar 31, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	21,825	$78.86^{footnote F3}	$1.72M
Mar 31, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	1,485	$80.25^{footnote F4}	$119K
Mar 31, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	800	$81.36^{footnote F5}	$65K
Mar 31, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	2,366	$82.84^{footnote F6}	$196K
Mar 31, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	59,800	$83.90^{footnote F7}	$5.02M
Mar 31, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	19,469	$84.57^{footnote F8}	$1.65M
Mar 31, 2026	Ryan Savitz - Officer	Open-market sale	Common Stock	7,232	$85.54^{footnote F9}	$619K
Mar 31, 2026	Ryan Savitz - Officer	Option exercise	Stock Option (Right to Buy)	74,367	$0.00	-
Mar 31, 2026	Ryan Savitz - Officer	Option exercise	Stock Option (Right to Buy)	40,000	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $77.74 to $78.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $78.74 to $79.66, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.11 to $81.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.15 to $81.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F6 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $82.25 to $83.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F7 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $83.25 to $84.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F8 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $84.25 to $85.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F9 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.25 to $85.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Mar 31, 2026	Paula Soteropoulos	Option exercise	Common Stock	599	$8.44	$5K
Mar 31, 2026	Paula Soteropoulos	Open-market sale	Common Stock	599	$80.11	$48K
Mar 31, 2026	Paula Soteropoulos	Option exercise	Stock Option (Right to Buy)	599	$0.00	-
Mar 24, 2026	Paula Soteropoulos	Option exercise	Common Stock	27,594	$8.44	$233K
Mar 24, 2026	Paula Soteropoulos	Open-market sale	Common Stock	27,594	$78.05	$2.15M
Mar 24, 2026	Paula Soteropoulos	Option exercise	Stock Option (Right to Buy)	27,594	$0.00	-
Mar 16, 2026	Marino Garcia - Officer	Option exercise	Common Stock	59,700	$6.70	$400K
Mar 16, 2026	Marino Garcia - Officer	Option exercise	Common Stock	5,592	$17.88	$100K
Mar 16, 2026	Marino Garcia - Officer	Option exercise	Stock Option (Right to Buy)	59,700	$0.00	-
Mar 16, 2026	Marino Garcia - Officer	Option exercise	Stock Option (Right to Buy)	5,592	$0.00	-
Mar 12, 2026	Marino Garcia - Officer	Option exercise	Common Stock	122,918	$6.70	$824K
Mar 12, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	43,505	$80.69^{footnote F2}	$3.51M
Mar 12, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	65,517	$81.74^{footnote F3}	$5.36M
Mar 12, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	12,796	$82.60^{footnote F4}	$1.06M
Mar 12, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	200	$83.38	$17K
Mar 12, 2026	Marino Garcia - Officer	Open-market sale	Common Stock	900	$85.53	$77K
Mar 12, 2026	Marino Garcia - Officer	Option exercise	Stock Option (Right to Buy)	122,918	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.29 to $81.28, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.29 to $82.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $82.29 to $83.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Mar 12, 2026	Edward Carr - Officer	Option exercise	Common Stock	16,182	$17.88	$289K
Mar 12, 2026	Edward Carr - Officer	Option exercise	Common Stock	17,500	$22.07	$386K
Mar 12, 2026	Edward Carr - Officer	Option exercise	Common Stock	10,000	$21.77	$218K
Mar 12, 2026	Edward Carr - Officer	Open-market sale	Common Stock	15,852	$80.71^{footnote F2}	$1.28M
Mar 12, 2026	Edward Carr - Officer	Open-market sale	Common Stock	23,465	$81.75^{footnote F3}	$1.92M
Mar 12, 2026	Edward Carr - Officer	Open-market sale	Common Stock	3,865	$82.66^{footnote F4}	$319K
Mar 12, 2026	Edward Carr - Officer	Open-market sale	Common Stock	200	$83.38	$17K
Mar 12, 2026	Edward Carr - Officer	Open-market sale	Common Stock	300	$85.53	$26K
Mar 12, 2026	Edward Carr - Officer	Option exercise	Stock Option (Right to Buy)	16,182	$0.00	-
Mar 12, 2026	Edward Carr - Officer	Option exercise	Stock Option (Right to Buy)	17,500	$0.00	-
Mar 12, 2026	Edward Carr - Officer	Option exercise	Stock Option (Right to Buy)	10,000	$0.00	-
Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.30 to $81.28, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.30 to $82.27, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $82.34 to $83.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Mar 12, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	7,998	$8.44	$68K
Mar 12, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	5,000	$17.88	$89K
Mar 12, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	8,332	$21.77	$181K
Mar 12, 2026	Simrat Randhawa - Officer	Option exercise	Common Stock	12,500	$22.07	$276K
Mar 12, 2026	Simrat Randhawa - Officer	Open-market sale	Common Stock	33,830	$81.48	$2.76M
Mar 12, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	7,998	$0.00	-
Mar 12, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	5,000	$0.00	-
Mar 12, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	8,332	$0.00	-
Mar 12, 2026	Simrat Randhawa - Officer	Option exercise	Stock Option (Right to Buy)	12,500	$0.00	-
Feb 3, 2026	Edward Carr - Officer	Grant or award	Stock Option (Right to Buy)	55,000	$0.00	-
Feb 3, 2026	Adam M. Veness - Officer	Grant or award	Stock Option (Right to Buy)	100,000	$0.00	-
Feb 3, 2026	Simrat Randhawa - Officer	Grant or award	Stock Option (Right to Buy)	150,000	$0.00	-

Recent DNTH Form 8-K filings

Read DNTH company news

Aug 4, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Jun 12, 2026Item 8.01, 9.01

Read the filing on SEC EDGAR

May 22, 2026Item 5.07

Read the filing on SEC EDGAR

May 5, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Recent DNTH Form 144 notices of proposed sale

An insider files Form 144 before selling restricted or control stock. It announces a planned sale. If the sale goes ahead, it shows up later on a Form 4.

Filed	Filer	Relationship	Shares	Market value	Notice
Sep 17, 2026	EDWARD CARR	Officer	20,000	$2.05M	View on EDGAR
Sep 1, 2026	SIMRAT RANDHAWA	Officer	23,124	$2.44M

DNTH insider trading FAQ

What is the latest insider trade for DNTH?

Dianthus Therapeutics, Inc. /DE/ (DNTH) had 8 insider filings in the last 90 days, with the most recent on 2026-09-18. The full record for DNTH runs to 39 Form 4 filings, the earliest from 2024-10-01. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying DNTH stock?

No insider purchases of DNTH were filed in the last 90 days.

How many insiders are selling DNTH stock?

30 insider sales of DNTH were filed in the last 90 days, totaling $26.12M.

Where can I see DNTH SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects DNTH Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Health Care companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Sep 18, 2026 - Edward Carr view on EDGAR
Sep 3, 2026 - Simrat Randhawa view on EDGAR
Aug 19, 2026 - Simon Read view on EDGAR
Aug 14, 2026 - Adam M. Veness view on EDGAR
Aug 11, 2026 - Anne McGeorge view on EDGAR
Aug 11, 2026 - Simon Read view on EDGAR
Aug 11, 2026 - Adam M. Veness view on EDGAR
Aug 7, 2026 - Marino Garcia view on EDGAR
Jul 13, 2026 - Ryan Savitz view on EDGAR

Related companies with recent insider activity

Learn more

Insider selling: signal or noise?: Why most insider sales are routine, and the few patterns worth a second look.
Form 144 vs Form 4: A Form 144 announces a planned sale; the Form 4 reports it after it happens.
Insider activity in Health Care: Where DNTH's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market sale

242,429

$26.12M

Option exercise

514,858

Date

Insider

Transaction

Security

Price

Value

Sep 17, 2026

Edward Carr - Officer

Option exercise

Common Stock

20,000

$17.88

$358K

Sep 17, 2026

Edward Carr - Officer

Open-market sale

Common Stock

7,928

$100.43^{footnote F2}

$796K

Sep 17, 2026

Edward Carr - Officer

Open-market sale

Common Stock

6,771

$101.37^{footnote F3}

$686K

Sep 17, 2026

Edward Carr - Officer

Open-market sale

Common Stock

3,501

$102.39^{footnote F4}

$358K

Sep 17, 2026

Edward Carr - Officer

Open-market sale

Common Stock

1,100

$103.20^{footnote F5}

$114K

Sep 17, 2026

Edward Carr - Officer

Open-market sale

Common Stock

700

$104.39^{footnote F6}

$73K

Sep 17, 2026

Edward Carr - Officer

Option exercise

Stock Option (Right to Buy)

20,000

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $99.98 to $100.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $100.99 to $101.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $101.99 to $102.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $103.05 to $103.38, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $104.17 to $104.63, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Sep 1, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

7,500

$17.88

$134K

Sep 1, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

6,249

$21.77

$136K

Sep 1, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

9,375

$22.07

$207K

Sep 1, 2026

Simrat Randhawa - Officer

Open-market sale

Common Stock

2,600

$105.19^{footnote F2}

$273K

Sep 1, 2026

Simrat Randhawa - Officer

Open-market sale

Common Stock

7,215

$106.25^{footnote F3}

$767K

Sep 1, 2026

Simrat Randhawa - Officer

Open-market sale

Common Stock

13,309

$106.74^{footnote F4}

$1.42M

Sep 1, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

7,500

$0.00

Sep 1, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

6,249

$0.00

Sep 1, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

9,375

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $104.50 to $105.46, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $105.53 to $106.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.53 to $107.31, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Aug 19, 2026

Simon Read - Director

Option exercise

Common Stock

2,778

$18.36

$51K

Aug 19, 2026

Simon Read - Director

Open-market sale

Common Stock

2,778

$117.55^{footnote F2}

$327K

Aug 19, 2026

Simon Read - Director

Option exercise

Stock Option (Right to Buy)

2,778

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $117.01 to $117.66, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Aug 13, 2026

Adam M. Veness - Officer

Option exercise

Common Stock

15,000

$18.17

$273K

Aug 13, 2026

Adam M. Veness - Officer

Option exercise

Stock Option (Right to Buy)

15,000

$0.00

Aug 10, 2026

Anne McGeorge - Director

Option exercise

Common Stock

1,250

$19.36

$24K

Aug 10, 2026

Anne McGeorge - Director

Option exercise

Common Stock

6,500

$11.20

$73K

Aug 10, 2026

Anne McGeorge - Director

Open-market sale

Common Stock

1,450

$107.58^{footnote F2}

$156K

Aug 10, 2026

Anne McGeorge - Director

Open-market sale

Common Stock

2,800

$108.38^{footnote F3}

$303K

Aug 10, 2026

Anne McGeorge - Director

Open-market sale

Common Stock

1,800

$109.30^{footnote F4}

$197K

Aug 10, 2026

Anne McGeorge - Director

Open-market sale

Common Stock

1,000

$110.64^{footnote F5}

$111K

Aug 10, 2026

Anne McGeorge - Director

Open-market sale

Common Stock

700

$111.41^{footnote F6}

$78K

Aug 10, 2026

Anne McGeorge - Director

Option exercise

Stock Option (Right to Buy)

1,250

$0.00

Aug 10, 2026

Anne McGeorge - Director

Option exercise

Stock Option (Right to Buy)

6,500

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.79 to $107.69, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.84 to $108.76, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.89 to $109.86, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.05 to $111.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $111.15 to $111.63, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Aug 10, 2026

Simon Read - Director

Option exercise

Common Stock

2,777

$18.36

$51K

Aug 10, 2026

Simon Read - Director

Open-market sale

Common Stock

$107.11^{footnote F2}

$7K

Aug 10, 2026

Simon Read - Director

Open-market sale

Common Stock

737

$108.17^{footnote F3}

$80K

Aug 10, 2026

Simon Read - Director

Open-market sale

Common Stock

831

$108.95^{footnote F4}

$91K

Aug 10, 2026

Simon Read - Director

Open-market sale

Common Stock

272

$109.96^{footnote F5}

$30K

Aug 10, 2026

Simon Read - Director

Open-market sale

Common Stock

470

$111.05^{footnote F6}

$52K

Aug 10, 2026

Simon Read - Director

Open-market sale

Common Stock

397

$111.77^{footnote F7}

$44K

Aug 10, 2026

Simon Read - Director

Option exercise

Stock Option (Right to Buy)

2,777

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.50 to $107.27, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.54 to $108.53, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.54 to $109.54, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $109.55 to $110.50, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.56 to $111.56, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F7 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $111.57 to $111.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Aug 7, 2026

Adam M. Veness - Officer

Option exercise

Common Stock

3,833

$17.88

$69K

Aug 7, 2026

Adam M. Veness - Officer

Open-market sale

Common Stock

3,217

$110.61^{footnote F2}

$356K

Aug 7, 2026

Adam M. Veness - Officer

Open-market sale

Common Stock

616

$111.18^{footnote F3}

$68K

Aug 10, 2026

Adam M. Veness - Officer

Option exercise

Common Stock

16,167

$17.88

$289K

Aug 10, 2026

Adam M. Veness - Officer

Open-market sale

Common Stock

16,167

$110.38^{footnote F4}

$1.78M

Aug 7, 2026

Adam M. Veness - Officer

Option exercise

Stock Option (Right to Buy)

3,833

$0.00

Aug 10, 2026

Adam M. Veness - Officer

Option exercise

Stock Option (Right to Buy)

16,167

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.07 to $111.06, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $111.08 to $111.45, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $110.00 to $110.88, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Aug 7, 2026

Marino Garcia - Officer

Option exercise

Common Stock

40,000

$8.44

$338K

Aug 7, 2026

Marino Garcia - Officer

Option exercise

Common Stock

126,000

$8.44

$1.06M

Aug 7, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

10,384

$107.49^{footnote F2}

$1.12M

Aug 7, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

23,907

$108.05^{footnote F3}

$2.58M

Aug 7, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

2,373

$109.10^{footnote F4}

$259K

Aug 7, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

2,536

$110.02^{footnote F5}

$279K

Aug 7, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

800

$110.76

$89K

Aug 7, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

104,091

$107.96^{footnote F6}

$11.24M

Aug 7, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

21,909

$108.72^{footnote F7}

$2.38M

Aug 7, 2026

Marino Garcia - Officer

Option exercise

Stock Option (Right to Buy)

40,000

$0.00

Aug 7, 2026

Marino Garcia - Officer

Option exercise

Stock Option (Right to Buy)

126,000

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $106.68 to $107.68, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $107.68 to $108.67, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.74 to $109.72, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $109.75 to $110.56, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $107.52 to $108.46, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the… Full note on SEC EDGAR
Footnote F7 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $108.57 to $108.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Jul 9, 2026

Ryan Savitz - Officer

Option exercise

Common Stock

31,249

$21.77

$680K

Jul 9, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

10,354

$100.22^{footnote F2}

$1.04M

Jul 9, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

15,329

$101.24^{footnote F3}

$1.55M

Jul 9, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

5,566

$101.97^{footnote F4}

$568K

Jul 9, 2026

Ryan Savitz - Officer

Option exercise

Stock Option (Right to Buy)

31,249

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $99.75 to $100.74, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $100.78 to $101.75, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $101.95 to $102.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Jun 17, 2026

Adam M. Veness - Officer

Open-market sale

Common Stock

13,229

$81.38^{footnote F3}

$1.08M

Jun 17, 2026

Adam M. Veness - Officer

Option exercise

Stock Option (Right to Buy)

30,000

$0.00

Jun 17, 2026

Adam M. Veness - Officer

Option exercise

Common Stock

30,000

$17.88

$536K

Jun 17, 2026

Adam M. Veness - Officer

Open-market sale

Common Stock

16,771

$80.34^{footnote F2}

$1.35M

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.00 to $80.99, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.00 to $81.80, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Jun 1, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

3,998

$8.44

$34K

Jun 1, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

6,908

$17.88

$124K

Jun 1, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

6,249

$21.77

$136K

Jun 1, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

9,375

$22.07

$207K

Jun 1, 2026

Simrat Randhawa - Officer

Open-market sale

Common Stock

5,428

$89.72^{footnote F2}

$487K

Jun 1, 2026

Simrat Randhawa - Officer

Open-market sale

Common Stock

16,943

$90.72^{footnote F3}

$1.54M

Jun 1, 2026

Simrat Randhawa - Officer

Open-market sale

Common Stock

4,159

$91.37^{footnote F4}

$380K

Jun 1, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

3,998

$0.00

Jun 1, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

6,908

$0.00

Jun 1, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

6,249

$0.00

Jun 1, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

9,375

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.17 to $90.16, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $90.17 to $91.15, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $91.17 to $91.96, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

May 21, 2026

Steven J. Romano

Grant or award

Stock Option (Right to Buy)

6,090

$0.00

May 21, 2026

Simon Read

Grant or award

Stock Option (Right to Buy)

6,090

$0.00

May 21, 2026

Alison Frances Lawton

Grant or award

Stock Option (Right to Buy)

6,090

$0.00

May 21, 2026

Anne McGeorge

Grant or award

Stock Option (Right to Buy)

6,090

$0.00

May 21, 2026

Sujay Kango

Grant or award

Stock Option (Right to Buy)

6,090

$0.00

May 21, 2026

Jonathan Violin

Grant or award

Stock Option (Right to Buy)

6,090

$0.00

May 21, 2026

Paula Soteropoulos

Grant or award

Stock Option (Right to Buy)

6,090

$0.00

May 8, 2026

Paula Soteropoulos

Option exercise

Common Stock

599

$8.44

$5K

May 8, 2026

Paula Soteropoulos

Open-market sale

Common Stock

599

$85.47

$51K

May 8, 2026

Paula Soteropoulos

Option exercise

Stock Option (Right to Buy)

599

$0.00

Apr 9, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

8,224

$89.84^{footnote F2}

$739K

Apr 9, 2026

Ryan Savitz - Officer

Option exercise

Stock Option (Right to Buy)

8,224

$0.00

Apr 9, 2026

Ryan Savitz - Officer

Option exercise

Common Stock

8,224

$17.88

$147K

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $89.75 to $89.95, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Mar 31, 2026

Ryan Savitz - Officer

Option exercise

Common Stock

74,367

$8.44

$628K

Mar 31, 2026

Ryan Savitz - Officer

Option exercise

Common Stock

40,000

$17.88

$715K

Mar 31, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

1,390

$78.33^{footnote F2}

$109K

Mar 31, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

21,825

$78.86^{footnote F3}

$1.72M

Mar 31, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

1,485

$80.25^{footnote F4}

$119K

Mar 31, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

800

$81.36^{footnote F5}

$65K

Mar 31, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

2,366

$82.84^{footnote F6}

$196K

Mar 31, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

59,800

$83.90^{footnote F7}

$5.02M

Mar 31, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

19,469

$84.57^{footnote F8}

$1.65M

Mar 31, 2026

Ryan Savitz - Officer

Open-market sale

Common Stock

7,232

$85.54^{footnote F9}

$619K

Mar 31, 2026

Ryan Savitz - Officer

Option exercise

Stock Option (Right to Buy)

74,367

$0.00

Mar 31, 2026

Ryan Savitz - Officer

Option exercise

Stock Option (Right to Buy)

40,000

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $77.74 to $78.73, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $78.74 to $79.66, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.11 to $81.00, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F5 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.15 to $81.52, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F6 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $82.25 to $83.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F7 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $83.25 to $84.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F8 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $84.25 to $85.24, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F9 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $85.25 to $85.97, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Mar 31, 2026

Paula Soteropoulos

Option exercise

Common Stock

599

$8.44

$5K

Mar 31, 2026

Paula Soteropoulos

Open-market sale

Common Stock

599

$80.11

$48K

Mar 31, 2026

Paula Soteropoulos

Option exercise

Stock Option (Right to Buy)

599

$0.00

Mar 24, 2026

Paula Soteropoulos

Option exercise

Common Stock

27,594

$8.44

$233K

Mar 24, 2026

Paula Soteropoulos

Open-market sale

Common Stock

27,594

$78.05

$2.15M

Mar 24, 2026

Paula Soteropoulos

Option exercise

Stock Option (Right to Buy)

27,594

$0.00

Mar 16, 2026

Marino Garcia - Officer

Option exercise

Common Stock

59,700

$6.70

$400K

Mar 16, 2026

Marino Garcia - Officer

Option exercise

Common Stock

5,592

$17.88

$100K

Mar 16, 2026

Marino Garcia - Officer

Option exercise

Stock Option (Right to Buy)

59,700

$0.00

Mar 16, 2026

Marino Garcia - Officer

Option exercise

Stock Option (Right to Buy)

5,592

$0.00

Mar 12, 2026

Marino Garcia - Officer

Option exercise

Common Stock

122,918

$6.70

$824K

Mar 12, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

43,505

$80.69^{footnote F2}

$3.51M

Mar 12, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

65,517

$81.74^{footnote F3}

$5.36M

Mar 12, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

12,796

$82.60^{footnote F4}

$1.06M

Mar 12, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

200

$83.38

$17K

Mar 12, 2026

Marino Garcia - Officer

Open-market sale

Common Stock

900

$85.53

$77K

Mar 12, 2026

Marino Garcia - Officer

Option exercise

Stock Option (Right to Buy)

122,918

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.29 to $81.28, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.29 to $82.25, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $82.29 to $83.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Mar 12, 2026

Edward Carr - Officer

Option exercise

Common Stock

16,182

$17.88

$289K

Mar 12, 2026

Edward Carr - Officer

Option exercise

Common Stock

17,500

$22.07

$386K

Mar 12, 2026

Edward Carr - Officer

Option exercise

Common Stock

10,000

$21.77

$218K

Mar 12, 2026

Edward Carr - Officer

Open-market sale

Common Stock

15,852

$80.71^{footnote F2}

$1.28M

Mar 12, 2026

Edward Carr - Officer

Open-market sale

Common Stock

23,465

$81.75^{footnote F3}

$1.92M

Mar 12, 2026

Edward Carr - Officer

Open-market sale

Common Stock

3,865

$82.66^{footnote F4}

$319K

Mar 12, 2026

Edward Carr - Officer

Open-market sale

Common Stock

200

$83.38

$17K

Mar 12, 2026

Edward Carr - Officer

Open-market sale

Common Stock

300

$85.53

$26K

Mar 12, 2026

Edward Carr - Officer

Option exercise

Stock Option (Right to Buy)

16,182

$0.00

Mar 12, 2026

Edward Carr - Officer

Option exercise

Stock Option (Right to Buy)

17,500

$0.00

Mar 12, 2026

Edward Carr - Officer

Option exercise

Stock Option (Right to Buy)

10,000

$0.00

Footnote F2 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $80.30 to $81.28, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F3 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $81.30 to $82.27, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR
Footnote F4 (price): The price reported above is a weighted average price. The shares were sold in multiple transactions at prices ranging from $82.34 to $83.23, inclusive. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon… Full note on SEC EDGAR

Mar 12, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

7,998

$8.44

$68K

Mar 12, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

5,000

$17.88

$89K

Mar 12, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

8,332

$21.77

$181K

Mar 12, 2026

Simrat Randhawa - Officer

Option exercise

Common Stock

12,500

$22.07

$276K

Mar 12, 2026

Simrat Randhawa - Officer

Open-market sale

Common Stock

33,830

$81.48

$2.76M

Mar 12, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

7,998

$0.00

Mar 12, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

5,000

$0.00

Mar 12, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

8,332

$0.00

Mar 12, 2026

Simrat Randhawa - Officer

Option exercise

Stock Option (Right to Buy)

12,500

$0.00

Feb 3, 2026

Edward Carr - Officer

Grant or award

Stock Option (Right to Buy)

55,000

$0.00

Feb 3, 2026

Adam M. Veness - Officer

Grant or award

Stock Option (Right to Buy)

100,000

$0.00

Feb 3, 2026

Simrat Randhawa - Officer

Grant or award

Stock Option (Right to Buy)

150,000

$0.00

Filed

Filer

Relationship

Market value

Notice

Sep 17, 2026

EDWARD CARR

Officer

20,000

$2.05M

View on EDGAR

Sep 1, 2026

SIMRAT RANDHAWA

Officer

23,124

$2.44M