GLAUKOS Corp (GKOS)

Data as of Oct 7, 2026, from SEC Form 4 filings.

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Tomas Navratil - Officer
Open-market sale$146K
Oct 5, 2026
Tomas Navratil - Officer
Open-market sale

About GLAUKOS Corp (GKOS)

GLAUKOS Corp is an SEC registrant, filing under CIK 0001192448, classified as surgical and medical instruments and apparatus. We track it alongside the rest of the Health Care sector.

Sector: Health Care

SEC filings for GKOS on EDGAR

GKOS Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market sale	23	111,368	$19.78M
Option exercise	14	185,000

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.

GKOS insider transactions (Form 4)

109 Form 4 filings on record, the earliest from Oct 16, 2024, newest first. Filing history page 1 of 3.

Date	Insider	Transaction	Security	Shares	Price	Value
Oct 5, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	888	$163.93^{footnote F2}	$146K
Oct 5, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	327	$164.78^{footnote F4}	$54K
Oct 5, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	312	$165.60^{footnote F5}	$52K
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $163.37 to $164.36. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $164.40 to $165.29. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $165.43 to $165.90. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Sep 25, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	167	$151.70^{footnote F2}	$25K
Sep 25, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	136	$152.71^{footnote F4}	$21K
Sep 25, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	229	$154.24^{footnote F5}	$35K
Sep 25, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	1,083	$154.88^{footnote F6}	$168K
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $151.23 to $152.09. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $152.45 to $153.44. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $153.48 to $154.46. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F6 (price): This transaction was executed in multiple trades at prices ranging from $154.49 to $155.46. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Sep 16, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	103	$163.20^{footnote F2}	$17K
Sep 16, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	345	$164.60^{footnote F4}	$57K
Sep 16, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	191	$166.20^{footnote F5}	$32K
Sep 16, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	460	$167.32^{footnote F6}	$77K
Sep 16, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	120	$168.38^{footnote F7}	$20K
Sep 16, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	234	$170.95^{footnote F8}	$40K
Sep 16, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	4	$172.00^{footnote F9}	$688
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $162.87 to $163.47. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $164.40 to $165.26. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $165.55 to $166.22. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F6 (price): This transaction was executed in multiple trades at prices ranging from $167.04 to $167.57. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F7 (price): This transaction was executed in multiple trades at prices ranging from $168.37 to $168.38. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F8 (price): This transaction was executed in multiple trades at prices ranging from $170.76 to $171.10. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F9 (price): This transaction was executed in multiple trades at prices ranging from $172.00 to $172.01. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Aug 28, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	7,643	$180.25^{footnote F1}	$1.38M
Aug 28, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	6,091	$181.19^{footnote F3}	$1.10M
Aug 28, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	10	$182.50	$2K
Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $179.69 to $180.69. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $180.71 to $181.61. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Aug 19, 2026	Gilbert H. Kliman - Director	Option exercise	Common Stock	2,500	$25.77	$64K
Aug 19, 2026	Gilbert H. Kliman - Director	Open-market sale	Common Stock	2,500	$190.00	$475K
Aug 19, 2026	Gilbert H. Kliman - Director	Option exercise	Stock Option (Right to Buy)	2,500	$0.00	-
Aug 11, 2026	Joseph E. Gilliam - Officer	Option exercise	Common Stock	10,000	$48.46	$485K
Aug 11, 2026	Joseph E. Gilliam - Officer	Option exercise	Common Stock	20,000	$55.18	$1.10M
Aug 11, 2026	Joseph E. Gilliam - Officer	Option exercise	Common Stock	20,000	$55.18	$1.10M
Aug 11, 2026	Joseph E. Gilliam - Officer	Option exercise	Common Stock	10,000	$48.46	$485K
Aug 11, 2026	Joseph E. Gilliam - Officer	Open-market sale	Common Stock	27,963	$178.89^{footnote F2}	$5.00M
Aug 11, 2026	Joseph E. Gilliam - Officer	Open-market sale	Common Stock	32,037	$180.49^{footnote F3}	$5.78M
Aug 11, 2026	Joseph E. Gilliam - Officer	Option exercise	Stock Option (Right to Buy)	20,000	$0.00	-
Aug 11, 2026	Joseph E. Gilliam - Officer	Option exercise	Stock Option (Right to Buy)	20,000	$0.00	-
Aug 11, 2026	Joseph E. Gilliam - Officer	Option exercise	Stock Option (Right to Buy)	10,000	$0.00	-
Aug 11, 2026	Joseph E. Gilliam - Officer	Option exercise	Stock Option (Right to Buy)	10,000	$0.00	-
Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $178.60 to $179.58). The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $179.68 to $180.60). The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Aug 7, 2026	Alex R. Thurman - Officer	Option exercise	Common Stock	20,000	$33.81	$676K
Aug 7, 2026	Alex R. Thurman - Officer	Open-market sale	Common Stock	20,000	$180.13^{footnote F3}	$3.60M
Aug 7, 2026	Alex R. Thurman - Officer	Option exercise	Stock Option (Right to Buy)	20,000^{footnote F4}	$0.00	-
Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $180.00 to $180.42. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR Footnote F4 (shares): The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.
Jul 31, 2026	Leana Wen - Director	Open-market sale	Common Stock	525	$167.63	$88K
Jul 16, 2026	Alex R. Thurman - Officer	Option exercise	Common Stock	10,000	$38.68	$387K
Jul 16, 2026	Alex R. Thurman - Officer	Open-market sale	Common Stock	10,000	$160.00	$1.60M
Jul 16, 2026	Alex R. Thurman - Officer	Option exercise	Stock Option (Right to Buy)	10,000^{footnote F3}	$0.00	-
Footnote F3 (shares): The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.
Jul 9, 2026	Alex R. Thurman - Officer	Option exercise	Common Stock	10,000	$38.68	$387K
Jul 9, 2026	Alex R. Thurman - Officer	Open-market sale	Common Stock	10,000	$155.00	$1.55M
Jul 9, 2026	Alex R. Thurman - Officer	Option exercise	Stock Option (Right to Buy)	10,000^{footnote F3}	$0.00	-
Footnote F3 (shares): The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.
Jul 6, 2026	Alex R. Thurman - Officer	Option exercise	Common Stock	10,000	$38.68	$387K
Jul 6, 2026	Alex R. Thurman - Officer	Open-market sale	Common Stock	10,000	$150.00	$1.50M
Jul 6, 2026	Alex R. Thurman - Officer	Option exercise	Stock Option (Right to Buy)	10,000^{footnote F3}	$38.68	$387K
Footnote F3 (shares): The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.
Jul 1, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	716	$139.06	$100K
Jun 25, 2026	Thomas William Burns - Officer	Tax withholding / forfeiture	Common Stock	4,059^{footnote F1}	$142.57	$579K
Footnote F1 (shares): Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 18, 2021
Jun 25, 2026	Joseph E. Gilliam - Officer	Tax withholding / forfeiture	Common Stock	1,056^{footnote F1}	$142.57	$151K
Footnote F1 (shares): Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 18, 2021.
Jun 25, 2026	Tomas Navratil - Officer	Tax withholding / forfeiture	Common Stock	483^{footnote F1}	$142.57	$69K
Footnote F1 (shares): Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 18, 2021.
May 28, 2026	Mark J. Foley	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
May 28, 2026	Leana Wen	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
May 28, 2026	Marc Stapley	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
May 28, 2026	Aimee S. Weisner	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
May 28, 2026	Gilbert H. Kliman	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
May 28, 2026	David F. Hoffmeister	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
May 28, 2026	Denice Torres	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
Jun 16, 2026	Tomas Navratil - Officer	Open-market sale	Common Stock	1,537	$130.68	$201K
May 28, 2026	Leana Wen	Grant or award	Common Stock	1,878^{footnote F1}	$0.00	-
May 28, 2026	Leana Wen	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR
May 28, 2026	Aimee S. Weisner	Grant or award	Common Stock	1,878^{footnote F1}	$0.00	-
May 28, 2026	Aimee S. Weisner	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR
May 28, 2026	Denice Torres	Grant or award	Common Stock	1,878^{footnote F1}	$0.00	-
May 28, 2026	Denice Torres	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR
May 28, 2026	Mark J. Foley	Grant or award	Common Stock	1,878^{footnote F1}	$0.00	-
May 28, 2026	Mark J. Foley	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR
May 28, 2026	David F. Hoffmeister	Grant or award	Common Stock	1,878^{footnote F1}	$0.00	-
May 28, 2026	David F. Hoffmeister	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR
May 28, 2026	Gilbert H. Kliman	Grant or award	Common Stock	1,878^{footnote F1}	$0.00	-
May 28, 2026	Gilbert H. Kliman	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR
May 28, 2026	Marc Stapley	Grant or award	Common Stock	1,878^{footnote F1}	$0.00	-
May 28, 2026	Marc Stapley	Grant or award	Stock Option (Right to Buy)	2,987	$0.00	-
Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR

Recent GKOS Form 8-K filings

Read GKOS company news

Aug 3, 2026Item 7.01, 9.01

Read the filing on SEC EDGAR

Jul 29, 2026Item 2.02, 7.01, 9.01

Read the filing on SEC EDGAR

Jun 3, 2026Item 5.07

Read the filing on SEC EDGAR

May 4, 2026Item 7.01, 9.01

Recent GKOS 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
Oct 5, 2026	Navratil Tomas	Officer	1,527	$251K	View on EDGAR
Sep 25, 2026	Navratil Tomas	Officer	1,615

GKOS insider trading FAQ

What is the latest insider trade for GKOS?

GLAUKOS Corp (GKOS) had 9 insider filings in the last 90 days, with the most recent on 2026-10-07. The full record for GKOS runs to 109 Form 4 filings, the earliest from 2024-10-16. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying GKOS stock?

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

How many insiders are selling GKOS stock?

23 insider sales of GKOS were filed in the last 90 days, totaling $19.78M.

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

This page collects GKOS 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.

Oct 7, 2026 - Tomas Navratil view on EDGAR
Sep 28, 2026 - Tomas Navratil view on EDGAR
Sep 18, 2026 - Tomas Navratil view on EDGAR
Sep 1, 2026 - Tomas Navratil view on EDGAR
Aug 21, 2026 - Gilbert H. Kliman view on EDGAR
Aug 13, 2026 - Joseph E. Gilliam view on EDGAR
Aug 11, 2026 - Alex R. Thurman view on EDGAR
Aug 3, 2026 - Leana Wen view on EDGAR
Jul 21, 2026 - Alex R. Thurman 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 GKOS'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

111,368

$19.78M

Option exercise

185,000

Date

Insider

Transaction

Security

Price

Value

Oct 5, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

888

$163.93^{footnote F2}

$146K

Oct 5, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

327

$164.78^{footnote F4}

$54K

Oct 5, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

312

$165.60^{footnote F5}

$52K

Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $163.37 to $164.36. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $164.40 to $165.29. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $165.43 to $165.90. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR

Sep 25, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

167

$151.70^{footnote F2}

$25K

Sep 25, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

136

$152.71^{footnote F4}

$21K

Sep 25, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

229

$154.24^{footnote F5}

$35K

Sep 25, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

1,083

$154.88^{footnote F6}

$168K

Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $151.23 to $152.09. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $152.45 to $153.44. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $153.48 to $154.46. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F6 (price): This transaction was executed in multiple trades at prices ranging from $154.49 to $155.46. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR

Sep 16, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

103

$163.20^{footnote F2}

$17K

Sep 16, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

345

$164.60^{footnote F4}

$57K

Sep 16, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

191

$166.20^{footnote F5}

$32K

Sep 16, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

460

$167.32^{footnote F6}

$77K

Sep 16, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

120

$168.38^{footnote F7}

$20K

Sep 16, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

234

$170.95^{footnote F8}

$40K

Sep 16, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

$172.00^{footnote F9}

$688

Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $162.87 to $163.47. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F4 (price): This transaction was executed in multiple trades at prices ranging from $164.40 to $165.26. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F5 (price): This transaction was executed in multiple trades at prices ranging from $165.55 to $166.22. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F6 (price): This transaction was executed in multiple trades at prices ranging from $167.04 to $167.57. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F7 (price): This transaction was executed in multiple trades at prices ranging from $168.37 to $168.38. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F8 (price): This transaction was executed in multiple trades at prices ranging from $170.76 to $171.10. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F9 (price): This transaction was executed in multiple trades at prices ranging from $172.00 to $172.01. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR

Aug 28, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

7,643

$180.25^{footnote F1}

$1.38M

Aug 28, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

6,091

$181.19^{footnote F3}

$1.10M

Aug 28, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

$182.50

$2K

Footnote F1 (price): This transaction was executed in multiple trades at prices ranging from $179.69 to $180.69. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $180.71 to $181.61. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR

Aug 19, 2026

Gilbert H. Kliman - Director

Option exercise

Common Stock

2,500

$25.77

$64K

Aug 19, 2026

Gilbert H. Kliman - Director

Open-market sale

Common Stock

2,500

$190.00

$475K

Aug 19, 2026

Gilbert H. Kliman - Director

Option exercise

Stock Option (Right to Buy)

2,500

$0.00

Aug 11, 2026

Joseph E. Gilliam - Officer

Option exercise

Common Stock

10,000

$48.46

$485K

Aug 11, 2026

Joseph E. Gilliam - Officer

Option exercise

Common Stock

20,000

$55.18

$1.10M

Aug 11, 2026

Joseph E. Gilliam - Officer

Option exercise

Common Stock

20,000

$55.18

$1.10M

Aug 11, 2026

Joseph E. Gilliam - Officer

Option exercise

Common Stock

10,000

$48.46

$485K

Aug 11, 2026

Joseph E. Gilliam - Officer

Open-market sale

Common Stock

27,963

$178.89^{footnote F2}

$5.00M

Aug 11, 2026

Joseph E. Gilliam - Officer

Open-market sale

Common Stock

32,037

$180.49^{footnote F3}

$5.78M

Aug 11, 2026

Joseph E. Gilliam - Officer

Option exercise

Stock Option (Right to Buy)

20,000

$0.00

Aug 11, 2026

Joseph E. Gilliam - Officer

Option exercise

Stock Option (Right to Buy)

20,000

$0.00

Aug 11, 2026

Joseph E. Gilliam - Officer

Option exercise

Stock Option (Right to Buy)

10,000

$0.00

Aug 11, 2026

Joseph E. Gilliam - Officer

Option exercise

Stock Option (Right to Buy)

10,000

$0.00

Footnote F2 (price): This transaction was executed in multiple trades at prices ranging from $178.60 to $179.58). The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $179.68 to $180.60). The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR

Aug 7, 2026

Alex R. Thurman - Officer

Option exercise

Common Stock

20,000

$33.81

$676K

Aug 7, 2026

Alex R. Thurman - Officer

Open-market sale

Common Stock

20,000

$180.13^{footnote F3}

$3.60M

Aug 7, 2026

Alex R. Thurman - Officer

Option exercise

Stock Option (Right to Buy)

20,000^{footnote F4}

$0.00

Footnote F3 (price): This transaction was executed in multiple trades at prices ranging from $180.00 to $180.42. The price reported above reflects the weighted average price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the… Full note on SEC EDGAR
Footnote F4 (shares): The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.

Jul 31, 2026

Leana Wen - Director

Open-market sale

Common Stock

525

$167.63

$88K

Jul 16, 2026

Alex R. Thurman - Officer

Option exercise

Common Stock

10,000

$38.68

$387K

Jul 16, 2026

Alex R. Thurman - Officer

Open-market sale

Common Stock

10,000

$160.00

$1.60M

Jul 16, 2026

Alex R. Thurman - Officer

Option exercise

Stock Option (Right to Buy)

10,000^{footnote F3}

$0.00

Footnote F3 (shares): The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.

Jul 9, 2026

Alex R. Thurman - Officer

Option exercise

Common Stock

10,000

$38.68

$387K

Jul 9, 2026

Alex R. Thurman - Officer

Open-market sale

Common Stock

10,000

$155.00

$1.55M

Jul 9, 2026

Alex R. Thurman - Officer

Option exercise

Stock Option (Right to Buy)

10,000^{footnote F3}

$0.00

Footnote F3 (shares): The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.

Jul 6, 2026

Alex R. Thurman - Officer

Option exercise

Common Stock

10,000

$38.68

$387K

Jul 6, 2026

Alex R. Thurman - Officer

Open-market sale

Common Stock

10,000

$150.00

$1.50M

Jul 6, 2026

Alex R. Thurman - Officer

Option exercise

Stock Option (Right to Buy)

10,000^{footnote F3}

$38.68

$387K

Footnote F3 (shares): The option exercises reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on December 15, 2025.

Jul 1, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

716

$139.06

$100K

Jun 25, 2026

Thomas William Burns - Officer

Tax withholding / forfeiture

Common Stock

4,059^{footnote F1}

$142.57

$579K

Footnote F1 (shares): Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 18, 2021

Jun 25, 2026

Joseph E. Gilliam - Officer

Tax withholding / forfeiture

Common Stock

1,056^{footnote F1}

$142.57

$151K

Footnote F1 (shares): Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 18, 2021.

Jun 25, 2026

Tomas Navratil - Officer

Tax withholding / forfeiture

Common Stock

483^{footnote F1}

$142.57

$69K

Footnote F1 (shares): Consists of shares withheld by the Issuer with respect to tax withholding obligations of the Reporting Person upon vesting and delivery of shares of common stock underlying restricted stock units previously granted by the Issuer on March 18, 2021.

May 28, 2026

Mark J. Foley

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

May 28, 2026

Leana Wen

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

May 28, 2026

Marc Stapley

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

May 28, 2026

Aimee S. Weisner

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

May 28, 2026

Gilbert H. Kliman

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

May 28, 2026

David F. Hoffmeister

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

May 28, 2026

Denice Torres

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

Jun 16, 2026

Tomas Navratil - Officer

Open-market sale

Common Stock

1,537

$130.68

$201K

May 28, 2026

Leana Wen

Grant or award

Common Stock

1,878^{footnote F1}

$0.00

May 28, 2026

Leana Wen

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR

May 28, 2026

Aimee S. Weisner

Grant or award

Common Stock

1,878^{footnote F1}

$0.00

May 28, 2026

Aimee S. Weisner

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR

May 28, 2026

Denice Torres

Grant or award

Common Stock

1,878^{footnote F1}

$0.00

May 28, 2026

Denice Torres

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR

May 28, 2026

Mark J. Foley

Grant or award

Common Stock

1,878^{footnote F1}

$0.00

May 28, 2026

Mark J. Foley

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR

May 28, 2026

David F. Hoffmeister

Grant or award

Common Stock

1,878^{footnote F1}

$0.00

May 28, 2026

David F. Hoffmeister

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR

May 28, 2026

Gilbert H. Kliman

Grant or award

Common Stock

1,878^{footnote F1}

$0.00

May 28, 2026

Gilbert H. Kliman

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR

May 28, 2026

Marc Stapley

Grant or award

Common Stock

1,878^{footnote F1}

$0.00

May 28, 2026

Marc Stapley

Grant or award

Stock Option (Right to Buy)

2,987

$0.00

Footnote F1 (shares): Represents a grant of restricted stock units received by the Reporting Person pursuant to the Issuer's Director Compensation Policy. The units will vest in full on the one-year anniversary of the grant date and are payable in an equivalent number of shares of the Issuer's common… Full note on SEC EDGAR

Filed

Filer

Relationship

Market value

Notice

Oct 5, 2026

Navratil Tomas

Officer

1,527

$251K

View on EDGAR

Sep 25, 2026

Navratil Tomas

Officer

1,615