INSM INSMED Inc
Nasdaq · SEC CIK 1104506 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $167.12M 59 sales by 10 insiders
- Filings on record
- 317 since 2021-07-09, latest 2026-09-11 16:04
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Adsett Roger | COO | — | $48.25M |
| Lewis William | COB, CEO, Dir | — | $32.79M |
| Flammer Martina M.D. | Chief Medical Off | — | $23.32M |
| Schaeffer Orlov S Nicole | Chief People Strategy Off | — | $21.11M |
| LEE LEO | Dir | — | $14.69M |
| Smith Michael Alexander | CLO | — | $14.00M |
| SHAROKY MELVIN MD | Dir | — | $4.74M |
| Brennan David R | Dir | — | $3.10M |
| ANDERSON ELIZABETH M | Dir | — | $2.98M |
| Bonstein Sara | CFO | — | $2.13M |
Transactions 475
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-09-11 16:04 | 2026-09-09 | INSM | Brennan David R | Dir | S - Sale | $124.00 | -25.0K | 39.2K | -39% | -$3.10M | |
| I | 2026-08-19 16:10 | 2026-08-17 | INSM | SHAROKY MELVIN MD | Dir | S - Sale | $127.53 | -5,000 | 0 | -100% | -$637.6K |
| DM | 2026-08-12 17:04 | 2026-08-10 | INSM | Adsett Roger | COO | M - OptEx | $20.45 | +239.8K | 338.6K | +243% | +$4.91M |
| D | 2026-08-12 17:04 | 2026-08-10 | INSM | Adsett Roger | COO | S - Sale+OE | $133.27 | -239.8K | 98.7K | -71% | -$31.96M |
| DMT | 2026-08-07 16:39 | 2026-08-06 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $21.20 | +27.2K | 87.7K | +45% | +$576.1K |
| DMT | 2026-08-07 16:39 | 2026-08-06 | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $128.61 | -27.2K | 60.5K | -31% | -$3.49M |
| DMT | 2026-07-24 17:02 | 2026-07-23 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 269.8K | +4% | +$266.9K |
| DMT | 2026-07-24 17:02 | 2026-07-23 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $106.06 | -10.7K | 259.1K | -4% | -$1.13M |
| DMT | 2026-07-10 16:02 | 2026-07-09 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 269.8K | +4% | +$266.8K |
| DMT | 2026-07-10 16:02 | 2026-07-09 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $117.40 | -10.7K | 259.1K | -4% | -$1.26M |
| DMT | 2026-07-08 16:03 | 2026-07-06 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $25.80 | +12.3K | 72.8K | +20% | +$317.4K |
| DMT | 2026-07-08 16:03 | 2026-07-06 | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $109.98 | -12.3K | 60.5K | -17% | -$1.35M |
| DMT | 2026-06-26 16:03 | 2026-06-25 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +21.4K | 280.3K | +8% | +$533.7K |
| DMT | 2026-06-26 16:03 | 2026-06-25 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $103.32 | -21.4K | 258.9K | -8% | -$2.21M |
| D | 2026-06-24 16:15 | 2026-06-23 | INSM | Butera Samuele | SVP, GM, Gbl Respiratory | A - Grant | — | +7,342 | 7,342 | New | — |
| T | 2026-06-24 16:11 | 2026-06-22 | INSM | Smith Michael Alexander | CLO | S - Sale | $95.82 | -1,806 | 37.6K | -5% | -$173.1K |
| T | 2026-06-10 16:05 | 2026-06-08 | INSM | Lewis William | COB, CEO, Dir | S - Sale | $94.03 | -6,515 | 258.9K | -2% | -$612.6K |
| 2026-06-05 16:15 | 2026-06-03 | INSM | Adsett Roger | COO | S - Sale | $102.27 | -2,370 | 98.6K | -2% | -$242.4K | |
| 2026-06-05 16:14 | 2026-06-03 | INSM | Bonstein Sara | CFO | S - Sale | $102.27 | -2,404 | 69.1K | -3% | -$245.9K | |
| 2026-06-05 16:14 | 2026-06-03 | INSM | Smith Michael Alexander | CLO | S - Sale | $102.27 | -2,159 | 39.5K | -5% | -$220.8K | |
| 2026-06-05 16:12 | 2026-06-03 | INSM | Lewis William | COB, CEO, Dir | S - Sale | $102.27 | -7,605 | 265.4K | -3% | -$777.8K | |
| MT | 2026-06-05 16:11 | 2026-06-03+ | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale | $102.90 | -4,424 | 60.5K | -7% | -$455.2K |
| T | 2026-05-22 16:25 | 2026-05-22 | INSM | Smith Michael Alexander | CLO | S - Sale | $108.47 | -6,149 | 41.6K | -13% | -$667.0K |
| DMT | 2026-05-20 16:06 | 2026-05-18 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 298.6K | +4% | +$266.8K |
| DMT | 2026-05-20 16:06 | 2026-05-18 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $106.33 | -25.6K | 273.0K | -9% | -$2.72M |
| 2026-05-15 16:08 | 2026-05-13 | INSM | Bonstein Sara | CFO | S - Sale | $116.18 | -8,272 | 71.5K | -10% | -$961.0K | |
| 2026-05-15 16:08 | 2026-05-13 | INSM | SCHAFER CAROL | Dir | A - Grant | — | +3,305 | 66.6K | +5% | — | |
| 2026-05-15 16:07 | 2026-05-13 | INSM | Adsett Roger | COO | S - Sale | $116.18 | -5,837 | 101.0K | -5% | -$678.1K | |
| 2026-05-15 16:07 | 2026-05-13 | INSM | ANDERSON ELIZABETH M | Dir | A - Grant | — | +3,305 | 62.0K | +6% | — | |
| MT | 2026-05-15 16:07 | 2026-05-13+ | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale | $116.12 | -18.3K | 64.9K | -22% | -$2.13M |
| 2026-05-15 16:07 | 2026-05-13 | INSM | Smith Michael Alexander | CLO | S - Sale | $116.18 | -4,109 | 47.8K | -8% | -$477.4K | |
| 2026-05-15 16:07 | 2026-05-13 | INSM | SHAROKY MELVIN MD | Dir | A - Grant | — | +3,305 | 246.1K | +1% | — | |
| 2026-05-15 16:07 | 2026-05-13 | INSM | Brennan David R | Dir | A - Grant | — | +3,305 | 64.2K | +5% | — | |
| 2026-05-15 16:07 | 2026-05-13 | INSM | Desjardins Clarissa | Dir | A - Grant | — | +3,305 | 70.3K | +5% | — | |
| 2026-05-15 16:07 | 2026-05-13 | INSM | LEE LEO | Dir | A - Grant | — | +3,305 | 58.0K | +6% | — | |
| 2026-05-15 16:06 | 2026-05-13 | INSM | Lewis William | COB, CEO, Dir | S - Sale | $116.18 | -13.3K | 287.9K | -4% | -$1.54M | |
| DT | 2026-05-13 16:50 | 2026-05-11 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $17.07 | +12.9K | 96.2K | +16% | +$221.0K |
| DMT | 2026-05-13 16:50 | 2026-05-11 | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $100.40 | -12.9K | 83.2K | -13% | -$1.30M |
| DMT | 2026-05-06 16:11 | 2026-05-04 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 311.9K | +4% | +$266.8K |
| DMT | 2026-05-06 16:11 | 2026-05-04 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $137.34 | -10.7K | 301.2K | -3% | -$1.47M |
| DMT | 2026-04-17 16:43 | 2026-04-16 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 311.9K | +4% | +$266.8K |
| DMT | 2026-04-17 16:43 | 2026-04-16 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $143.97 | -10.7K | 301.2K | -3% | -$1.54M |
| DMT | 2026-04-08 16:41 | 2026-04-06 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 311.9K | +4% | +$266.8K |
| DMT | 2026-04-08 16:41 | 2026-04-06 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $163.22 | -10.7K | 301.2K | -3% | -$1.75M |
| DT | 2026-04-03 16:07 | 2026-04-01 | INSM | Adsett Roger | COO | M - OptEx | $14.56 | +88.1K | 194.9K | +82% | +$1.28M |
| DMT | 2026-04-03 16:07 | 2026-04-01 | INSM | Adsett Roger | COO | S - Sale+OE | $164.63 | -88.1K | 106.8K | -45% | -$14.50M |
| DM | 2026-03-31 | 2026-03-30 | INSM | Smith Michael Alexander | CLO | M - OptEx | $24.78 | +19.6K | 57.5K | +52% | +$486.6K |
| D | 2026-03-31 | 2026-03-30 | INSM | Smith Michael Alexander | CLO | S - Sale+OE | $150.98 | -19.6K | 51.9K | -27% | -$2.96M |
| DM | 2026-03-20 | 2026-03-19 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 307.4K | +4% | +$266.8K |
| DM | 2026-03-20 | 2026-03-19 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $143.52 | -10.7K | 301.2K | -3% | -$1.54M |
| DM | 2026-03-05 | 2026-03-05 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $146.03 | -10.7K | 303.3K | -3% | -$1.56M |
| DM | 2026-03-05 | 2026-03-05 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 311.9K | +4% | +$266.8K |
| 2026-03-05 | 2026-03-03 | INSM | SHAROKY MELVIN MD | Dir | G - Gift | $0.00 | -100 | 242.8K | -0.0% | $0 | |
| MI | 2026-02-27 | 2026-02-25 | INSM | SHAROKY MELVIN MD | Dir | G - Gift | $0.00 | +972 | 5,423 | +22% | $0 |
| 2026-02-27 | 2026-02-25 | INSM | SHAROKY MELVIN MD | Dir | G - Gift | $0.00 | -1,072 | 242.9K | -0.4% | $0 | |
| D | 2026-02-25 | 2026-02-24 | INSM | Smith Michael Alexander | CLO | M - OptEx | $17.07 | +20.2K | 76.6K | +36% | +$345.6K |
| DM | 2026-02-25 | 2026-02-24 | INSM | Smith Michael Alexander | CLO | S - Sale+OE | $155.77 | -24.8K | 51.9K | -32% | -$3.86M |
| 2026-02-25 | 2026-02-23 | INSM | Brennan David R | Dir | G - Gift | $0.00 | -6,000 | 60.9K | -9% | $0 | |
| DM | 2026-02-23 | 2026-02-19 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $150.97 | -10.7K | 302.2K | -3% | -$1.62M |
| DM | 2026-02-23 | 2026-02-19 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 307.4K | +4% | +$266.8K |
| 2026-02-11 | 2026-02-09 | INSM | MCGIRR DAVID W J | Dir | G - Gift | $0.00 | -53.4K | 44.3K | -55% | $0 | |
| I | 2026-02-11 | 2026-02-09 | INSM | MCGIRR DAVID W J | Dir | G - Gift | $0.00 | +53.4K | 53.4K | New | $0 |
| DM | 2026-02-11 | 2026-02-09 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $147.79 | -13.4K | 302.5K | -4% | -$1.98M |
| DM | 2026-02-11 | 2026-02-09 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 308.3K | +4% | +$266.8K |
| 2026-02-06 | 2026-02-05 | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale | $152.44 | -869 | 83.2K | -1% | -$132.5K | |
| 2026-02-04 | 2026-02-03 | INSM | Bonstein Sara | CFO | S - Sale | $156.34 | -748 | 79.8K | -0.9% | -$116.9K | |
| 2026-02-04 | 2026-02-03 | INSM | Lewis William | COB, CEO, Dir | S - Sale | $156.34 | -3,009 | 303.9K | -1.0% | -$470.4K | |
| DM | 2026-02-04 | 2026-02-02+ | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $154.70 | -8,777 | 92.3K | -9% | -$1.36M |
| D | 2026-02-04 | 2026-02-02 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $65.72 | +7,982 | 92.9K | +9% | +$524.6K |
| 2026-02-04 | 2026-02-03 | INSM | Adsett Roger | COO | S - Sale | $156.17 | -791 | 106.8K | -0.7% | -$123.5K | |
| 2026-02-04 | 2026-02-03 | INSM | Smith Michael Alexander | CLO | S - Sale | $156.27 | -640 | 56.4K | -1% | -$100.0K | |
| DM | 2026-01-22 | 2026-01-20 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $158.93 | -10.7K | 307.1K | -3% | -$1.70M |
| DM | 2026-01-22 | 2026-01-20 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 317.6K | +3% | +$266.8K |
| DM | 2026-01-13 | 2026-01-12 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $169.00 | -19.2K | 307.8K | -6% | -$3.25M |
| DM | 2026-01-13 | 2026-01-12 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 321.7K | +3% | +$266.8K |
| 2026-01-13 | 2026-01-09 | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale | $186.19 | -1,887 | 84.9K | -2% | -$351.3K | |
| D | 2026-01-08 | 2026-01-06 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $26.43 | +8,570 | 103.3K | +9% | +$226.5K |
| DM | 2026-01-08 | 2026-01-06+ | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $174.06 | -16.5K | 95.7K | -15% | -$2.88M |
| M | 2026-01-08 | 2026-01-06+ | INSM | Lewis William | COB, CEO, Dir | S - Sale | $174.03 | -9,676 | 315.4K | -3% | -$1.68M |
| M | 2026-01-08 | 2026-01-06+ | INSM | Bonstein Sara | CFO | S - Sale | $174.22 | -4,642 | 82.0K | -5% | -$808.7K |
| M | 2026-01-08 | 2026-01-06+ | INSM | Smith Michael Alexander | CLO | S - Sale | $174.00 | -3,158 | 58.8K | -5% | -$549.5K |
| M | 2026-01-08 | 2026-01-06+ | INSM | Adsett Roger | COO | S - Sale | $174.06 | -4,290 | 109.7K | -4% | -$746.7K |
| D | 2026-01-06 | 2026-01-02 | INSM | Smith Michael Alexander | CLO | A - Grant | — | +5,293 | 60.2K | +10% | — |
| DM | 2026-01-06 | 2026-01-05 | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $171.38 | -12.3K | 95.5K | -11% | -$2.11M |
| DM | 2026-01-06 | 2026-01-05 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $25.80 | +12.3K | 99.1K | +14% | +$317.5K |
| DM | 2026-01-06 | 2026-01-02 | INSM | Flammer Martina M.D. | Chief Medical Off | A - Grant | — | +11.6K | 89.1K | +15% | — |
| DM | 2026-01-06 | 2026-01-02 | INSM | Bonstein Sara | CFO | A - Grant | — | +11.6K | 79.5K | +17% | — |
| D | 2026-01-06 | 2026-01-02 | INSM | Adsett Roger | COO | A - Grant | — | +5,998 | 111.9K | +6% | — |
| D | 2026-01-06 | 2026-01-02 | INSM | Schaeffer Orlov S Nicole | Chief People Strategy Off | A - Grant | — | +5,293 | 41.8K | +15% | — |
| D | 2026-01-06 | 2026-01-02 | INSM | Schaeffer Orlov S Nicole | Chief People Strategy Off | M - OptEx | $13.91 | +87.3K | 129.0K | +209% | +$1.21M |
| DM | 2026-01-06 | 2026-01-02 | INSM | Schaeffer Orlov S Nicole | Chief People Strategy Off | S - Sale+OE | $175.20 | -87.3K | 63.9K | -58% | -$15.29M |
| D | 2026-01-06 | 2026-01-02 | INSM | Lewis William | COB, CEO, Dir | A - Grant | — | +21.2K | 325.1K | +7% | — |
| DM | 2025-12-19 | 2025-12-18 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 308.4K | +4% | +$266.8K |
| DM | 2025-12-19 | 2025-12-18 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $166.97 | -10.7K | 309.9K | -3% | -$1.79M |
| 2025-12-09 | 2025-12-05 | INSM | SHAROKY MELVIN MD | Dir | S - Sale | $205.01 | -20.0K | 243.9K | -8% | -$4.10M | |
| DM | 2025-12-05 | 2025-12-04 | INSM | Lewis William | COB, CEO, Dir | S - Sale+OE | $205.62 | -10.7K | 307.9K | -3% | -$2.20M |
| DM | 2025-12-05 | 2025-12-04 | INSM | Lewis William | COB, CEO, Dir | M - OptEx | $24.94 | +10.7K | 314.6K | +4% | +$266.8K |
| DM | 2025-12-03 | 2025-12-01 | INSM | Flammer Martina M.D. | Chief Medical Off | S - Sale+OE | $206.98 | -8,895 | 84.7K | -10% | -$1.84M |
| D | 2025-12-03 | 2025-12-01 | INSM | Flammer Martina M.D. | Chief Medical Off | M - OptEx | $25.83 | +8,895 | 92.0K | +11% | +$229.8K |
| 2025-11-26 | 2025-11-24 | INSM | ANDERSON ELIZABETH M | Dir | S - Sale | $204.58 | -5,000 | 58.7K | -8% | -$1.02M |
Purchase Sale Sale after option exercise All abbreviations