INSM · ISSUER CIK 1104506
INSMED Inc
Between Jul 31, 2026 and Oct 28, 2026, 6 INSMED Inc insiders reported $0.00 of open-market purchases and $39.2M of sales on SEC Form 4.
↗6 insiders filed
Original Form 4 filings from Jul 31, 2026 to Oct 28, 2026. 1 of 4 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$39.2MInsider selling
−$39.2MNet open-market
Oct 20, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 20, 202617:08 | Oct 19, 2026 | INSM | Director | A · Grant | — | +6,139 | 6,139 | New | — | ||
| Oct 20, 202617:07 | Oct 19, 2026 | INSM | Director | A · Grant | — | +6,139 | 6,139 | New | — | ||
| Sep 11, 202616:04 | Sep 9, 2026 | INSM | Director | S · Sell | $124.00 | −25,000 | 39,238 | -39% | −$3.1M | ||
| Aug 19, 202616:10 | Aug 17, 2026 | INSM | Director | S · Sell | $127.53 | −5,000 | 0 | -100% | −$638K | ||
| Aug 12, 202617:04 | Aug 10, 2026 | INSM | Chief Operating Officer | S · Sell | $133.27 | −239,850 | 98,744 | -71% | −$32.0M | ||
| Aug 12, 202617:04 | Aug 10, 2026 | INSM | Chief Operating Officer | M · Exercise | $20.45 | +239,850 | 338,594 | +243% | $4.9M | ||
| Aug 7, 202616:39 | Aug 6, 2026 | INSM | Chief Medical Officer | S · Sell10b5-1 | $128.61 | −27,173 | 60,486 | -31% | −$3.5M | ||
| Aug 7, 202616:39 | Aug 6, 2026 | INSM | Chief Medical Officer | M · Exercise10b5-1 | $21.20 | +27,173 | 87,659 | +45% | $576K |