MASS · ISSUER CIK 1555279
908 Devices Inc.
Between Aug 1, 2026 and Oct 29, 2026, 6 908 Devices Inc. insiders reported $0.00 of open-market purchases and $4.7M of sales on SEC Form 4.
↗6 insiders filed
Original Form 4 filings from Aug 1, 2026 to Oct 29, 2026. 9 of 13 sales were reported under a 10b5-1 plan.
$0.00Insider buying
$4.7MInsider selling
−$4.7MNet open-market
Oct 9, 2026Latest filing
| Ticker | Insider | Type | Owned | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 9, 202616:15 | Oct 7, 2026 | MASS | Director | S · Sell10b5-1 | $11.89 | −30,000 | 745,559 | -4% | −$357K | ||
| Oct 9, 202616:15 | Oct 7, 2026 | MASS | Director | M · Exercise10b5-1 | $1.75 | +60,000 | 805,559 | +8% | $105K | ||
| Oct 8, 202616:43 | Oct 6, 2026 | MASS | Chief Financial Officer | S · Sell10b5-1 | $13.03 | −5,000 | 116,497 | -4% | −$65K | ||
| Oct 1, 202617:02 | Sep 29, 2026 | MASS | 10% Owner | S · Sell | $11.52 | −18,000 | 4,736,773 | -0% | −$207K | ||
| Sep 25, 202616:19 | Sep 24, 2026from Sep 23, 2026 | MASS | 10% Owner | S · Sell | $11.36 | −25,000 | 4,754,773 | -1% | −$284K | ||
| Sep 17, 202617:27 | Sep 17, 2026from Sep 15, 2026 | MASS | SVP, Sales & Product Marketing | S · Sell10b5-1 | $10.13 | −27,656 | 57,784 | -32% | −$280K | ||
| Sep 17, 202617:27 | Sep 17, 2026from Sep 15, 2026 | MASS | SVP, Sales & Product Marketing | M · Exercise10b5-1 | $0.96 | +27,656 | 63,041 | +78% | $27K | ||
| Sep 4, 202616:15 | Sep 2, 2026 | MASS | Director | S · Sell10b5-1 | $10.58 | −30,000 | 775,559 | -4% | −$317K | ||
| Aug 27, 202616:55 | Aug 25, 2026 | MASS | Chief Financial Officer | S · Sell10b5-1 | $10.95 | −11,459 | 121,497 | -9% | −$125K | ||
| Aug 24, 202616:50 | Aug 21, 2026from Aug 20, 2026 | MASS | 10% Owner | S · Sell | $10.60 | −50,000 | 4,779,773 | -1% | −$530K | ||
| Aug 17, 202617:30 | Aug 17, 2026from Aug 13, 2026 | MASS | President and CEO, Director | S · Sell10b5-1 | $10.27 | −27,622 | 555,968 | -5% | −$284K | ||
| Aug 12, 202617:05 | Aug 11, 2026from Aug 10, 2026 | MASS | Director | S · Sell10b5-1 | $9.12 | −17,800 | 805,559 | -2% | −$162K | ||
| Aug 12, 202617:05 | Aug 12, 2026from Aug 10, 2026 | MASS | President and CEO, Director | S · Sell10b5-1 | $9.90 | −149,013 | 583,590 | -20% | −$1.5M | ||
| Aug 7, 202616:50 | Aug 5, 2026 | MASS | Director | S · Sell10b5-1 | $8.49 | −20,000 | 823,359 | -2% | −$170K | ||
| Aug 6, 202616:26 | Aug 4, 2026 | MASS | 10% Owner | S · Sell | $8.36 | −50,000 | 4,829,773 | -1% | −$418K | ||
| Aug 3, 202616:15 | Aug 1, 2026 | MASS | Director | M · Exercise | — | +5,192 | 5,192 | New | — |