Insmed Inc is a biopharmaceutical company. Its commercial portfolio and clinical pipeline are organized around three therapeutic areas: Respiratory, Immunology and Inflammation, and Neuro and Other Rare. The company's two commercial products, Arikayce and Brinsupri, are both part of the Respiratory therapeutic area. The firm's clinical-stage programs are TPIP, INS1148, brensocatib, and INS1201, focusing on different therapeutic areas. Additionally, Insmed's pre-clinical research programs encompass various technologies and modalities, including gene therapy, AI-driven protein engineering, protein manufacturing, RNA end-joining, and synthetic rescue. Geographically, the company generates maximum revenue from the United States from the sale of its commercial products.
INSM Form 4 activity by transaction type, last 90 days
Form 4 transaction type
Transactions
Shares
Total value
Open-market sale
7
307,723
$40.33M
Option exercise
14
555,446
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.
INSM insider transactions (Form 4)
148
121 Form 4 filings on record, the earliest from Dec 13, 2024, newest first. Filing history page 2 of 3.
Footnote F2 (price): This is the weighted average sales price representing 433 shares sold at prices ranging from $133.88 to $134.69 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 599 shares sold at prices ranging from $135.06 to $135.50 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 5,318 shares sold at prices ranging from $136.32 to $137.30 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 2,721 shares sold at prices ranging from $137.32 to $138.28 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F6 (price): This is the weighted average sales price representing 1,247 shares sold at prices ranging from $138.52 to $139.43 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 2,246 shares sold at prices ranging from $142.39 to $143.38 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 5,373 shares sold at prices ranging from $143.39 to $144.32 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 2,255 shares sold at prices ranging from $144.40 to $145.20 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 825 shares sold at prices ranging from $145.53 to $146.02 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 787 shares sold at prices ranging from $161.65 to $162.58 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 8,478 shares sold at prices ranging from $162.66 to $163.65 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 1,434 shares sold at prices ranging from $163.66 to $164.36 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 6,715 shares sold at prices ranging from $162.52 to $163.51 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 19,001 shares sold at prices ranging from $163.52 to $164.51 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 62,344 shares sold at prices ranging from $164.52 to $165.45 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 1,629 shares sold at prices ranging from $141.80 to $142.74 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 4,537 shares sold at prices ranging from $142.80 to $143.77 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 4,533 shares sold at prices ranging from $143.80 to $144.72 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 2,083 shares sold at prices ranging from $143.84 to $144.70 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 2,589 shares sold at prices ranging from $144.99 to $145.78 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 3,899 shares sold at prices ranging from $146.09 to $147.06 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 2,128 shares sold at prices ranging from $147.15 to $148.04 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 4,852 shares sold at prices ranging from $153.47 to $154.46 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 4,151 shares sold at prices ranging from $154.47 to $155.45 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 15,771 shares sold at prices ranging from $156.00 to $156.86 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 1,988 shares sold at prices ranging from $148.51 to $149.50 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 1,891 shares sold at prices ranging from $149.53 to $150.50 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 3,413 shares sold at prices ranging from $150.54 to $151.51 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 2,377 shares sold at prices ranging from $151.56 to $152.43 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F6 (price): This is the weighted average sales price representing 1,030 shares sold at prices ranging from $153.00 to $153.78 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 4,888 shares sold at prices ranging from $146.61 to $147.60 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 7,221 shares sold at prices ranging from $147.61 to $148.60 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 1,287 shares sold at prices ranging from $148.62 to $149.35 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 563 shares sold at prices ranging from $151.76 to $152.74 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 928 shares sold at prices ranging from $152.77 to $153.31 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 3,349 shares sold at prices ranging from $154.10 to $155.09 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 3,042 shares sold at prices ranging from $155.10 to $155.96 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 1,006 shares sold at prices ranging from $156.53 to $157.50 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 1,243 shares sold at prices ranging from $157.54 to $158.53 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 5,967 shares sold at prices ranging from $158.55 to $159.52 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 2,229 shares sold at prices ranging from $159.55 to $160.32 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F6 (price): This is the weighted average sales price representing 254 shares sold at prices ranging from $160.58 to $160.76 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 4,516 shares sold at prices ranging from $204.01 to $204.98 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 2,222 shares sold at prices ranging from $205.11 to $206.02 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 2,921 shares sold at prices ranging from $206.15 to $207.13 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 1.040 shares sold at prices ranging from $207.20 to $207.73 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 1,450 shares sold at prices ranging from $205.45 to $206.39 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 5,886 shares sold at prices ranging from $206.48 to $207.47 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 1,559 shares sold at prices ranging from $207.49 to $208.17 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F1 (price): This is the weighted average sales price representing 3,212 shares sold at prices ranging from $193.00 to $193.99 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 17,594 shares sold at prices ranging from $194.00 to $194.99 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 14,944 shares sold at prices ranging from $195.00 to $195.99 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 24,076 shares sold at prices ranging from $196.00 to $196.99 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 15,174 shares sold at prices ranging from $197.00 to $197.78 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F1 (price): This is the weighted average sales price representing 4,078 shares sold at prices ranging from $192.00 to $192.95 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 6,575 shares sold at prices ranging from $193.02 to $194.01 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 19,183 shares sold at prices ranging from $194.02 to $194.95 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 164 shares sold at prices ranging from $195.42 to $195.96 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 5,467 shares sold at prices ranging from $187.93 to $188.90 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 12,224 shares sold at prices ranging from $188.90 to $189.88 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 10,622 shares sold at prices ranging from $189.92 to $190.90 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 2,913 shares sold at prices ranging from $190.94 to $191.14 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F2 (price): This is the weighted average sales price representing 1,342 shares sold at prices ranging from $180.29 to $181.19 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F3 (price): This is the weighted average sales price representing 7,619 shares sold at prices ranging from $181.30 to $182.29 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F4 (price): This is the weighted average sales price representing 4,286 shares sold at prices ranging from $182.30 to $183.03 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F5 (price): This is the weighted average sales price representing 4,032 shares sold at prices ranging from $183.49 to $184.48 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F6 (price): This is the weighted average sales price representing 3,243 shares sold at prices ranging from $184.50 to $185.48 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F7 (price): This is the weighted average sales price representing 3,636 shares sold at prices ranging from $185.51 to $186.45 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F8 (price): This is the weighted average sales price representing 1,572 shares sold at prices ranging from $186.61 to $187.53 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
Footnote F9 (price): This is the weighted average sales price representing 1,400 shares sold at prices ranging from $187.88 to $188.13 per share. The Reporting Person undertakes to provide to the SEC staff, the issuer, or a security holder of the issuer the number of shares sold at each price within… Full note on SEC EDGAR
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.
INSMED Inc (INSM) had 5 insider filings in the last 90 days, with the most recent on 2026-09-11. The full record for INSM runs to 121 Form 4 filings, the earliest from 2024-12-13. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.
How many insiders are buying INSM stock?
No insider purchases of INSM were filed in the last 90 days. 2 purchases are on record for this company.
How many insiders are selling INSM stock?
7 insider sales of INSM were filed in the last 90 days, totaling $40.33M.
Where can I see INSM SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page collects INSM 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.
House of Representatives Periodic Transaction Reports from 2024. Senate filings are not included yet. The full history of INSM beside its insider purchases is in the Congress Tracker.