Company / CIK 0001104506
INSMED Inc
- Ticker
- INSM
- Size, estimated from filings
- Large cap ($10B – $200B)
- Insiders on file
- 16
- Members of Congress who traded it
- 2
- Federal contracts on record
- 1 award
- Lobbying filings on record
- 7
- SEC filings
- EDGAR ↗
- Latest trade on record
- October 19, 2026
INSMED Inc (INSM) has 16 insiders on file who disclosed 308 transactions in the last 12 months (0 open-market buys, 169 sales, about $184.0M at reported prices), and 3 congressional trades in its stock are on record. USAspending shows 1 federal contract award with a combined value of $31K to a recipient with this name that started in the last 180 days, and 5 lobbying filings naming it as client report $90K in 2026.
INSMED Inc in charts
Who is trading this stock
Which people account for the buying and selling over the last 12 months?
BoughtSold
8 people account for the disclosed buying and selling in INSMED Inc over the last 12 months; the most active is Adsett Roger with $48M.
Lobbying spend by quarter
How much has INSMED Inc reported spending on federal lobbying?
INSMED Inc reported $110K in lobbying over the last eight quarters, from filings matched by exact company name.
Federal contracts by agency
Which agencies awarded INSMED Inc contracts that started in the last 180 days?
Federal contract awards to INSMED Inc that started in the last 180 days have a combined award value of $31K, most from Department of Veterans Affairs.
Insiders
| Name | Role | Rows | Bought | Sold | Last filed |
|---|---|---|---|---|---|
| Koppikar Utpal | Director | 1 | 0 | 0 | October 20, 2026 |
| Hudson Paul | Director | 1 | 0 | 0 | October 20, 2026 |
| Brennan David R | Director | 5 | 0 | 1 | September 11, 2026 |
| SHAROKY MELVIN MD | Director | 9 | 0 | 2 | August 19, 2026 |
| Adsett Roger | Chief Operating Officer | 20 | 0 | 10 | August 12, 2026 |
| Flammer Martina M.D. | Chief Medical Officer | 67 | 0 | 40 | August 7, 2026 |
| Lewis William | Chair and CEO | 136 | 0 | 74 | July 24, 2026 |
| Smith Michael Alexander | Chief Legal Officer | 30 | 0 | 20 | June 24, 2026 |
| Butera Samuele | SVP, GM, Global Respiratory | 2 | 0 | 0 | June 24, 2026 |
| Bonstein Sara | Chief Financial Officer | 9 | 0 | 6 | June 12, 2026 |
| LEE LEO | Director | 6 | 0 | 5 | May 15, 2026 |
| Desjardins Clarissa | Director | 1 | 0 | 0 | May 15, 2026 |
| ANDERSON ELIZABETH M | Director | 3 | 0 | 2 | May 15, 2026 |
| SCHAFER CAROL | Director | 1 | 0 | 0 | May 15, 2026 |
| MCGIRR DAVID W J | Director | 2 | 0 | 0 | February 11, 2026 |
| Schaeffer Orlov S Nicole | Chief People Strategy Officer | 15 | 0 | 9 | January 6, 2026 |
Rows are this company's Form 4 rows for each person. "Bought" and "sold" count open-market purchases (code P) and sales only. More in insider buying and insider selling.
Members of Congress who traded INSM
From periodic transaction reports that name the company's stock. Amounts are the sums of the ranges as filed. Every row is on the INSM page.
| Member | Seat | Trades | Bought | Sold | Range as filed | Latest |
|---|---|---|---|---|---|---|
| Gilbert Ray Cisneros, Jr. | Representative (CA, District 31), Democrat | 2 | 0 | 2 | $2,002–$30K | October 3, 2025 |
| Josh Gottheimer | Representative (NJ, District 5), Democrat | 1 | 0 | 1 | $1,001–$15K | June 10, 2026 |
Insider transactions
| Filer | Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Hudson Paul | INSM | Other A | October 19, 2026 | October 20, 2026 | 1d | 6,139 | — | — | Form 4 ↗ | ||
| Koppikar Utpal | INSM | Other A | October 19, 2026 | October 20, 2026 | 1d | 6,139 | — | — | Form 4 ↗ | ||
| Brennan David R | INSM | Sell S | September 9, 2026 | September 11, 2026 | 2d | 25,000 | $124 | $3.1M | Form 4 ↗ | ||
| SHAROKY MELVIN MD | INSM | Sell S | August 17, 2026 | August 19, 2026 | 2d | 5,000 | $128 | $638K | indirect | Form 4 ↗ | |
| Adsett Roger | INSM | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 80,970 | — | — | derivative | Form 4 ↗ | |
| Adsett Roger | INSM | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 76,600 | — | — | derivative | Form 4 ↗ | |
| Adsett Roger | INSM | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 82,280 | — | — | derivative | Form 4 ↗ | |
| Adsett Roger | INSM | Sell S | August 10, 2026 | August 12, 2026 | 2d | 239,850 | $133 | $32.0M | Form 4 ↗ | ||
| Adsett Roger | INSM | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 80,970 | $30 | $2.5M | Form 4 ↗ | ||
| Adsett Roger | INSM | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 76,600 | $17 | $1.3M | Form 4 ↗ | ||
| Adsett Roger | INSM | Option / conversion M | August 10, 2026 | August 12, 2026 | 2d | 82,280 | $14 | $1.1M | Form 4 ↗ | ||
| Flammer Martina M.D. | INSM | Option / conversion M | August 6, 2026 | August 7, 2026 | 1d | 8,895 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | August 6, 2026 | August 7, 2026 | 1d | 18,278 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | August 6, 2026 | August 7, 2026 | 1d | 18,278 | $129 | $2.4M | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | August 6, 2026 | August 7, 2026 | 1d | 8,895 | $127 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | August 6, 2026 | August 7, 2026 | 1d | 8,895 | $26 | $230K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | August 6, 2026 | August 7, 2026 | 1d | 18,278 | $19 | $346K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | July 23, 2026 | July 24, 2026 | 1d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | July 23, 2026 | July 24, 2026 | 1d | 6,260 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | July 23, 2026 | July 24, 2026 | 1d | 5,872 | $106 | $625K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | July 23, 2026 | July 24, 2026 | 1d | 4,828 | $106 | $510K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | July 23, 2026 | July 24, 2026 | 1d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | July 23, 2026 | July 24, 2026 | 1d | 6,260 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | July 9, 2026 | July 10, 2026 | 1d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | July 9, 2026 | July 10, 2026 | 1d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | July 9, 2026 | July 10, 2026 | 1d | 3,359 | $119 | $398K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | July 9, 2026 | July 10, 2026 | 1d | 2,335 | $118 | $275K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | July 9, 2026 | July 10, 2026 | 1d | 5,005 | $117 | $583K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | July 9, 2026 | July 10, 2026 | 1d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | July 9, 2026 | July 10, 2026 | 1d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | July 6, 2026 | July 8, 2026 | 2d | 4,357 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | July 6, 2026 | July 8, 2026 | 2d | 7,945 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | July 6, 2026 | July 8, 2026 | 2d | 7,448 | $111 | $824K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | July 6, 2026 | July 8, 2026 | 2d | 4,854 | $109 | $529K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | July 6, 2026 | July 8, 2026 | 2d | 4,357 | $20 | $86K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | July 6, 2026 | July 8, 2026 | 2d | 7,945 | $29 | $231K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | June 25, 2026 | June 26, 2026 | 1d | 8,880 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | June 25, 2026 | June 26, 2026 | 1d | 12,518 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | June 25, 2026 | June 26, 2026 | 1d | 1,292 | $106 | $137K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | June 25, 2026 | June 26, 2026 | 1d | 2,456 | $105 | $259K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | June 25, 2026 | June 26, 2026 | 1d | 3,723 | $104 | $388K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | June 25, 2026 | June 26, 2026 | 1d | 1,836 | $103 | $189K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | June 25, 2026 | June 26, 2026 | 1d | 12,091 | $102 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | June 25, 2026 | June 26, 2026 | 1d | 8,880 | $17 | $152K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | June 25, 2026 | June 26, 2026 | 1d | 12,518 | $30 | $381K | 10b5-1 plan | Form 4 ↗ | |
| Butera Samuele | INSM | Other A | June 23, 2026 | June 24, 2026 | 1d | 12,570 | — | — | derivative | Form 4 ↗ | |
| Butera Samuele | INSM | Other A | June 23, 2026 | June 24, 2026 | 1d | 7,342 | — | — | Form 4 ↗ | ||
| Smith Michael Alexander | INSM | Sell S | June 22, 2026 | June 24, 2026 | 2d | 1,806 | $96 | $173K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | June 8, 2026 | June 10, 2026 | 2d | 6,515 | $94 | $613K | 10b5-1 plan | Form 4 ↗ | |
| Adsett Roger | INSM | Sell S | June 3, 2026 | June 5, 2026 | 2d | 2,370 | $102 | $242K | Form 4 ↗ | ||
| Bonstein Sara | INSM | Sell S | June 3, 2026 | June 5, 2026 | 2d | 2,404 | $102 | $246K | Form 4 ↗ | ||
| Smith Michael Alexander | INSM | Sell S | June 3, 2026 | June 5, 2026 | 2d | 2,159 | $102 | $221K | Form 4 ↗ | ||
| Lewis William | INSM | Sell S | June 3, 2026 | June 5, 2026 | 2d | 7,605 | $102 | $778K | Form 4 ↗ | ||
| Flammer Martina M.D. | INSM | Sell S | June 5, 2026 | June 5, 2026 | 0d | 1,858 | $104 | $193K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | June 3, 2026 | June 5, 2026 | 2d | 2,566 | $102 | $262K | 10b5-1 plan | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Sell S | May 22, 2026 | May 22, 2026 | 0d | 6,149 | $108 | $667K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | May 18, 2026 | May 20, 2026 | 2d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | May 18, 2026 | May 20, 2026 | 2d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 18, 2026 | May 20, 2026 | 2d | 7,975 | $107 | $853K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 18, 2026 | May 20, 2026 | 2d | 11,836 | $106 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 18, 2026 | May 20, 2026 | 2d | 5,753 | $105 | $606K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | May 18, 2026 | May 20, 2026 | 2d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | May 18, 2026 | May 20, 2026 | 2d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Bonstein Sara | INSM | Sell S | May 13, 2026 | May 15, 2026 | 2d | 8,272 | $116 | $961K | Form 4 ↗ | ||
| SCHAFER CAROL | INSM | Other A | May 13, 2026 | May 15, 2026 | 2d | 3,305 | — | — | Form 4 ↗ | ||
| Adsett Roger | INSM | Sell S | May 13, 2026 | May 15, 2026 | 2d | 5,837 | $116 | $678K | Form 4 ↗ | ||
| ANDERSON ELIZABETH M | INSM | Other A | May 13, 2026 | May 15, 2026 | 2d | 3,305 | — | — | Form 4 ↗ | ||
| Flammer Martina M.D. | INSM | Sell S | May 14, 2026 | May 15, 2026 | 1d | 10,479 | $118 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | May 13, 2026 | May 15, 2026 | 2d | 3,384 | $116 | $393K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | May 13, 2026 | May 15, 2026 | 2d | 4,470 | $113 | $504K | 10b5-1 plan | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Sell S | May 13, 2026 | May 15, 2026 | 2d | 4,109 | $116 | $477K | Form 4 ↗ | ||
| SHAROKY MELVIN MD | INSM | Other A | May 13, 2026 | May 15, 2026 | 2d | 3,305 | — | — | Form 4 ↗ | ||
| Brennan David R | INSM | Other A | May 13, 2026 | May 15, 2026 | 2d | 3,305 | — | — | Form 4 ↗ | ||
| Desjardins Clarissa | INSM | Other A | May 13, 2026 | May 15, 2026 | 2d | 3,305 | — | — | Form 4 ↗ | ||
| LEE LEO | INSM | Other A | May 13, 2026 | May 15, 2026 | 2d | 3,305 | — | — | Form 4 ↗ | ||
| Lewis William | INSM | Sell S | May 13, 2026 | May 15, 2026 | 2d | 13,283 | $116 | $1.5M | Form 4 ↗ | ||
| Flammer Martina M.D. | INSM | Option / conversion M | May 11, 2026 | May 13, 2026 | 2d | 12,949 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 830 | $101 | $84K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | May 11, 2026 | May 13, 2026 | 2d | 12,119 | $100 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | May 11, 2026 | May 13, 2026 | 2d | 12,949 | $17 | $221K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | May 4, 2026 | May 6, 2026 | 2d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | May 4, 2026 | May 6, 2026 | 2d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 4, 2026 | May 6, 2026 | 2d | 381 | $140 | $53K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 4, 2026 | May 6, 2026 | 2d | 1,247 | $139 | $173K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 4, 2026 | May 6, 2026 | 2d | 2,721 | $138 | $375K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 4, 2026 | May 6, 2026 | 2d | 5,318 | $137 | $729K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 4, 2026 | May 6, 2026 | 2d | 599 | $135 | $81K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | May 4, 2026 | May 6, 2026 | 2d | 433 | $134 | $58K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | May 4, 2026 | May 6, 2026 | 2d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | May 4, 2026 | May 6, 2026 | 2d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | April 16, 2026 | April 17, 2026 | 1d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | April 16, 2026 | April 17, 2026 | 1d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | April 16, 2026 | April 17, 2026 | 1d | 825 | $146 | $120K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | April 16, 2026 | April 17, 2026 | 1d | 2,255 | $145 | $326K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | April 16, 2026 | April 17, 2026 | 1d | 5,373 | $144 | $773K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | April 16, 2026 | April 17, 2026 | 1d | 2,246 | $143 | $321K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | April 16, 2026 | April 17, 2026 | 1d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | April 16, 2026 | April 17, 2026 | 1d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | April 6, 2026 | April 8, 2026 | 2d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | April 6, 2026 | April 8, 2026 | 2d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | April 6, 2026 | April 8, 2026 | 2d | 1,434 | $164 | $235K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | April 6, 2026 | April 8, 2026 | 2d | 8,478 | $163 | $1.4M | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | April 6, 2026 | April 8, 2026 | 2d | 787 | $162 | $127K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | April 6, 2026 | April 8, 2026 | 2d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | April 6, 2026 | April 8, 2026 | 2d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Adsett Roger | INSM | Option / conversion M | April 1, 2026 | April 3, 2026 | 2d | 88,060 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Adsett Roger | INSM | Sell S | April 1, 2026 | April 3, 2026 | 2d | 62,344 | $165 | $10.3M | 10b5-1 plan | Form 4 ↗ | |
| Adsett Roger | INSM | Sell S | April 1, 2026 | April 3, 2026 | 2d | 19,001 | $164 | $3.1M | 10b5-1 plan | Form 4 ↗ | |
| Adsett Roger | INSM | Sell S | April 1, 2026 | April 3, 2026 | 2d | 6,715 | $163 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| Adsett Roger | INSM | Option / conversion M | April 1, 2026 | April 3, 2026 | 2d | 88,060 | $15 | $1.3M | 10b5-1 plan | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Option / conversion M | March 30, 2026 | March 31, 2026 | 1d | 13,989 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Option / conversion M | March 30, 2026 | March 31, 2026 | 1d | 5,649 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Sell S | March 30, 2026 | March 31, 2026 | 1d | 19,638 | $151 | $3.0M | 10b5-1 plan | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Option / conversion M | March 30, 2026 | March 31, 2026 | 1d | 13,989 | $28 | $390K | 10b5-1 plan | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Option / conversion M | March 30, 2026 | March 31, 2026 | 1d | 5,649 | $17 | $96K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | March 19, 2026 | March 20, 2026 | 1d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | March 19, 2026 | March 20, 2026 | 1d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | March 19, 2026 | March 20, 2026 | 1d | 4,533 | $144 | $653K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | March 19, 2026 | March 20, 2026 | 1d | 4,537 | $143 | $651K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | March 19, 2026 | March 20, 2026 | 1d | 1,629 | $142 | $232K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | March 19, 2026 | March 20, 2026 | 1d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | March 19, 2026 | March 20, 2026 | 1d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | March 5, 2026 | March 5, 2026 | 0d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | March 5, 2026 | March 5, 2026 | 0d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | March 5, 2026 | March 5, 2026 | 0d | 2,128 | $148 | $314K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | March 5, 2026 | March 5, 2026 | 0d | 3,899 | $147 | $572K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | March 5, 2026 | March 5, 2026 | 0d | 2,589 | $145 | $376K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | March 5, 2026 | March 5, 2026 | 0d | 2,083 | $144 | $300K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | March 5, 2026 | March 5, 2026 | 0d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | March 5, 2026 | March 5, 2026 | 0d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| SHAROKY MELVIN MD | INSM | Other G | March 3, 2026 | March 5, 2026 | 2d | 100 | — | — | Form 4 ↗ | ||
| SHAROKY MELVIN MD | INSM | Other G | February 25, 2026 | February 27, 2026 | 2d | 243 | — | — | indirect | Form 4 ↗ | |
| SHAROKY MELVIN MD | INSM | Other G | February 25, 2026 | February 27, 2026 | 2d | 243 | — | — | indirect | Form 4 ↗ | |
| SHAROKY MELVIN MD | INSM | Other G | February 25, 2026 | February 27, 2026 | 2d | 243 | — | — | indirect | Form 4 ↗ | |
| SHAROKY MELVIN MD | INSM | Other G | February 25, 2026 | February 27, 2026 | 2d | 243 | — | — | indirect | Form 4 ↗ | |
| SHAROKY MELVIN MD | INSM | Other G | February 25, 2026 | February 27, 2026 | 2d | 1,072 | — | — | Form 4 ↗ | ||
| Smith Michael Alexander | INSM | Option / conversion M | February 24, 2026 | February 25, 2026 | 1d | 20,248 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Sell S | February 24, 2026 | February 25, 2026 | 1d | 15,771 | $157 | $2.5M | 10b5-1 plan | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Sell S | February 24, 2026 | February 25, 2026 | 1d | 4,151 | $155 | $644K | 10b5-1 plan | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Sell S | February 24, 2026 | February 25, 2026 | 1d | 4,852 | $154 | $747K | 10b5-1 plan | Form 4 ↗ | |
| Smith Michael Alexander | INSM | Option / conversion M | February 24, 2026 | February 25, 2026 | 1d | 20,248 | $17 | $346K | 10b5-1 plan | Form 4 ↗ | |
| Brennan David R | INSM | Other G | February 23, 2026 | February 25, 2026 | 2d | 6,000 | — | — | Form 4 ↗ | ||
| Lewis William | INSM | Option / conversion M | February 19, 2026 | February 23, 2026 | 4d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | February 19, 2026 | February 23, 2026 | 4d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | February 19, 2026 | February 23, 2026 | 4d | 1,030 | $153 | $158K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | February 19, 2026 | February 23, 2026 | 4d | 2,377 | $152 | $361K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | February 19, 2026 | February 23, 2026 | 4d | 3,413 | $151 | $516K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | February 19, 2026 | February 23, 2026 | 4d | 1,891 | $150 | $284K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | February 19, 2026 | February 23, 2026 | 4d | 1,988 | $149 | $297K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | February 19, 2026 | February 23, 2026 | 4d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | February 19, 2026 | February 23, 2026 | 4d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| MCGIRR DAVID W J | INSM | Other G | February 9, 2026 | February 11, 2026 | 2d | 53,400 | — | — | indirect | Form 4 ↗ | |
| MCGIRR DAVID W J | INSM | Other G | February 9, 2026 | February 11, 2026 | 2d | 53,400 | — | — | Form 4 ↗ | ||
| Lewis William | INSM | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | February 9, 2026 | February 11, 2026 | 2d | 1,287 | $149 | $192K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | February 9, 2026 | February 11, 2026 | 2d | 7,221 | $148 | $1.1M | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | February 9, 2026 | February 11, 2026 | 2d | 4,888 | $147 | $719K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | February 9, 2026 | February 11, 2026 | 2d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | February 5, 2026 | February 6, 2026 | 1d | 869 | $152 | $132K | 10b5-1 plan | Form 4 ↗ | |
| Adsett Roger | INSM | Sell S | February 3, 2026 | February 4, 2026 | 1d | 791 | $156 | $124K | Form 4 ↗ | ||
| Bonstein Sara | INSM | Sell S | February 3, 2026 | February 4, 2026 | 1d | 748 | $156 | $117K | Form 4 ↗ | ||
| Lewis William | INSM | Sell S | February 3, 2026 | February 4, 2026 | 1d | 3,009 | $156 | $470K | Form 4 ↗ | ||
| Smith Michael Alexander | INSM | Sell S | February 3, 2026 | February 4, 2026 | 1d | 640 | $156 | $100K | Form 4 ↗ | ||
| Flammer Martina M.D. | INSM | Option / conversion M | February 2, 2026 | February 4, 2026 | 2d | 7,982 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | February 3, 2026 | February 4, 2026 | 1d | 795 | $156 | $124K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | February 2, 2026 | February 4, 2026 | 2d | 100 | $157 | $16K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | February 2, 2026 | February 4, 2026 | 2d | 3,042 | $155 | $473K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | February 2, 2026 | February 4, 2026 | 2d | 3,349 | $155 | $518K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | February 2, 2026 | February 4, 2026 | 2d | 928 | $153 | $142K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | February 2, 2026 | February 4, 2026 | 2d | 563 | $152 | $86K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Option / conversion M | February 2, 2026 | February 4, 2026 | 2d | 7,982 | $66 | $525K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | January 20, 2026 | January 22, 2026 | 2d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | January 20, 2026 | January 22, 2026 | 2d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 20, 2026 | January 22, 2026 | 2d | 254 | $161 | $41K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 20, 2026 | January 22, 2026 | 2d | 2,229 | $160 | $356K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 20, 2026 | January 22, 2026 | 2d | 5,967 | $159 | $949K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 20, 2026 | January 22, 2026 | 2d | 1,243 | $158 | $197K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 20, 2026 | January 22, 2026 | 2d | 1,006 | $157 | $158K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | January 20, 2026 | January 22, 2026 | 2d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | January 20, 2026 | January 22, 2026 | 2d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | January 12, 2026 | January 13, 2026 | 1d | 4,440 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | January 12, 2026 | January 13, 2026 | 1d | 6,259 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 12, 2026 | January 13, 2026 | 1d | 315 | $175 | $55K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 12, 2026 | January 13, 2026 | 1d | 297 | $172 | $51K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 12, 2026 | January 13, 2026 | 1d | 297 | $171 | $51K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 12, 2026 | January 13, 2026 | 1d | 160 | $170 | $27K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 12, 2026 | January 13, 2026 | 1d | 6,996 | $170 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 12, 2026 | January 13, 2026 | 1d | 7,176 | $169 | $1.2M | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Sell S | January 12, 2026 | January 13, 2026 | 1d | 3,974 | $168 | $667K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | January 12, 2026 | January 13, 2026 | 1d | 4,440 | $17 | $76K | 10b5-1 plan | Form 4 ↗ | |
| Lewis William | INSM | Option / conversion M | January 12, 2026 | January 13, 2026 | 1d | 6,259 | $30 | $191K | 10b5-1 plan | Form 4 ↗ | |
| Flammer Martina M.D. | INSM | Sell S | January 9, 2026 | January 13, 2026 | 4d | 1,887 | $186 | $351K | 10b5-1 plan | Form 4 ↗ | |
| Adsett Roger | INSM | Sell S | January 8, 2026 | January 8, 2026 | 0d | 2,059 | $174 | $359K | Form 4 ↗ | ||
| Adsett Roger | INSM | Sell S | January 7, 2026 | January 8, 2026 | 1d | 802 | $175 | $140K | Form 4 ↗ | ||
| Adsett Roger | INSM | Sell S | January 6, 2026 | January 8, 2026 | 2d | 1,429 | $173 | $248K | Form 4 ↗ | ||
| Bonstein Sara | INSM | Sell S | January 8, 2026 | January 8, 2026 | 0d | 1,447 | $174 | $252K | Form 4 ↗ | ||
| Bonstein Sara | INSM | Sell S | January 7, 2026 | January 8, 2026 | 1d | 1,678 | $175 | $294K | Form 4 ↗ | ||
| Bonstein Sara | INSM | Sell S | January 6, 2026 | January 8, 2026 | 2d | 1,517 | $173 | $263K | Form 4 ↗ |
Showing the 200 most recent of 308.
Federal contracts (USAspending, awards started in the last 180 days)
| Start date | Awarding agency | Award value | NAICS | Source |
|---|---|---|---|---|
| June 10, 2026 | Department of Veterans Affairs | $31,229 | 325412 | USAspending ↗ |
Lobbying (Senate LDA, as client)
| Period | Registrant | Primary issue | Amount | Source |
|---|---|---|---|---|
| 2026 Q3 | LMH STRATEGIC SOLUTIONS | Trade (domestic/foreign) | $50,000 | LDA ↗ |
| 2026 Q2 | LMH STRATEGIC SOLUTIONS | Trade (domestic/foreign) | $20,000 | LDA ↗ |
| 2026 Q2 | JEFFREY J. KIMBELL & ASSOCIATES, INC. | Health Issues | $10,000 | LDA ↗ |
| 2026 Q2 | LMH STRATEGIC SOLUTIONS | Trade (domestic/foreign) | — | LDA ↗ |
| 2026 Q1 | JEFFREY J. KIMBELL & ASSOCIATES, INC. | Health Issues | $10,000 | LDA ↗ |
| 2025 Q4 | JEFFREY J. KIMBELL & ASSOCIATES, INC. | Health Issues | $10,000 | LDA ↗ |
| 2025 Q3 | JEFFREY J. KIMBELL & ASSOCIATES, INC. | Health Issues | $10,000 | LDA ↗ |
Related companies
Companies whose stock was traded by the same people who traded INSM, by number of filers in common. It shows overlap in public filings and nothing else.
- CrowdStrike Holdings, Inc. CRWD 2 filers in common
- Cloudflare, Inc. NET 2 filers in common
- Uber Technologies, Inc UBER 2 filers in common
- CARVANA CO. CVNA 2 filers in common
- MICRON TECHNOLOGY INC MU 2 filers in common
- INTUIT INC. INTU 2 filers in common
- ServiceNow, Inc. NOW 2 filers in common
- ADVANCED MICRO DEVICES INC AMD 2 filers in common
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Federal contracts: how to read USAspending data Obligation = money the government has committed. Outlay = money actually paid.
- Lobbying disclosure reports Reports are due about 20 days after each quarter ends.
- What disclosure data cannot tell you Filings are late by design: up to 45 days for Congress, two business days for insiders.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| House Clerk, periodic transaction reports | 3 | 3 | October 10, 2025 | July 7, 2026 | House Clerk search |
| SEC EDGAR, Form 4 | 77 | 308 | November 5, 2025 | October 20, 2026 | Form 4 list on EDGAR |
| USAspending, federal contract awards | 1 award | — | — | — | USAspending |
| Lobbying disclosure filings | 7 filings | — | — | — | LDA.gov search |
Site built October 27, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Insiders and their transactions come from SEC EDGAR Form 4 filings for this issuer. Contracts and lobbying are matched by exact normalized name (suffixes like Inc./Corp. ignored) to USAspending recipients and LDA clients — a conservative match that misses subsidiaries on purpose. See methodology and corrections.
Not investment advice. Public records shown as filed; no recommendation is made or implied.