908 Devices Inc.
MASS- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001555279
In the last 90 days, 908 Devices Inc. insiders filed 0 open-market purchases and 13 sales; 111 institutions reported holding it in 13F filings for Q2 2026, worth $244.1M in total; ARK Invest is the only superinvestor holding it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by 908 Devices Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 13 filings
- 5 insiders, $4.24M in total
- Insiders trading
- 5
- Net value
- −$4.24M
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for 908 Devices Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| AWM Investment Company, Inc. | 10% Owner | 4,754,773Indirect | Sep 25, 2026 | 8 |
| Kenneweg John | SVP, Sales & Product Marketing | 57,784 | Sep 17, 2026 | 4 |
| Brown Christopher D. | Director | 775,559 | Sep 4, 2026 | 12 |
| Griffith Joseph H. IV | Chief Financial Officer | 121,497 | Aug 27, 2026 | 4 |
| Knopp Kevin J. | President and CEO | 555,968 | Aug 17, 2026 | 6 |
| Vann Brandi C | Director | 5,192 | Aug 3, 2026 | 2 |
| Leonhart Michele M. | Director | 27,054 | Jun 25, 2026 | 2 |
| Crandell Keith | Director | 39,374 | Jun 12, 2026 | 1 |
| Eloi Fenel M | Director | 40,897 | Jun 12, 2026 | 1 |
| Hrusovsky E Kevin | Director | 165,390 | Jun 12, 2026 | 1 |
| Hunt Anthony | Director | 44,168 | Jun 12, 2026 | 1 |
| Spoto Mark | Director | 89,346 | Jun 12, 2026 | 2 |
| Otitoju Kolawole A. | Chief Bus. & Strategy Officer | – | Apr 22, 2026 | 1 |
| McCallion Kevin J. | SVP, Products and Production | 44,925 | Apr 14, 2026 | 3 |
| Turner Michael S. | Chief Legal & Admin Officer | 0 | Jun 18, 2025 | 0 |
| George Jeffrey P. | Director | 26,814 | Jun 13, 2025 | 0 |
| Eisenberg Marcia | Director | 25,957 | Jun 13, 2025 | 0 |
| Fitzpatrick Maura | VP, Product Management & Mktg | 2,834 | Feb 3, 2023 | 0 |
| Barthelemy Nicolas | Director | 15,379 | Jun 17, 2022 | 0 |
| Basarsky Trent A. | VP, Corporate Development | 80,000 | Apr 28, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| May 11, 2026 (view filing) | May 8 | 3 days | Kenneweg JohnSVP, Sales & Product Marketing | SSale | −18.3K | $8.11 | −$148.0K | −24.0%57.8K after | |
| May 13, 2026 (view filing) | May 11 | 2 days | AWM Investment Company, Inc.10% Owner | SSale | −5.00K | $8.25 | −$41.3K | −0.1%5.12M after | |
| May 29, 2026 (view filing) | May 28 | 1 day | Griffith Joseph H. IVChief Financial Officer | SSale | −6.94K | $9.03 | −$62.7K | −5.0%133.0K after | 10b5-1 |
| May 29, 2026 (view filing) | May 27-28 | 2 days | AWM Investment Company, Inc.10% Owner | SSale908 DEVICES, INC. | −186.9K | $8.62 | −$1.61M | −3.7%4.93M after | 3 lots |
| May 29, 2026 (view filing) | May 28 | 1 day | Brown Christopher D.Director | SSale | −30.0K | $9.00 | −$270.0K | −3.2%895.6K after | 10b5-1 |
| Jun 4, 2026 (view filing) | Jun 2-4 | 2 days | AWM Investment Company, Inc.10% Owner | SSale908 DEVICES, INC. | −42.3K | $8.97 | −$379.2K | −0.9%4.89M after | 2 lots |
| Jun 4, 2026 (view filing) | Jun 3 | 1 day | Brown Christopher D.Director | SSale | −20.0K | $8.73 | −$174.6K | −2.2%875.6K after | 10b5-1 |
| Jun 5, 2026 (view filing) | Jun 4 | 1 day | Brown Christopher D.Director | SSale | −100 | $9.00 | −$900 | 0.0%875.5K after | 10b5-1 |
| Jun 24, 2026 (view filing) | Jun 22-23 | 2 days | AWM Investment Company, Inc.10% Owner | SSale | −7.72K | $8.99 | −$69.4K | −0.2%4.88M after | 2 lots |
| Jun 25, 2026 (view filing) | Jun 23-25 | 2 days | Knopp Kevin J.President and CEO | SSale | −60.3K | $9.12 | −$550.6K | −7.6%735.6K after | 3 lots10b5-1 |
| Jun 25, 2026 (view filing) | Jun 23 | 2 days | Brown Christopher D.Director | SSale | −9.90K | $9.04 | −$89.5K | −1.1%865.6K after | 10b5-1 |
| Jun 30, 2026 (view filing) | Jun 26 | 4 days | Knopp Kevin J.President and CEO | SSale | −2.80K | $9.09 | −$25.4K | −0.4%732.8K after | 10b5-1 |
| Jul 2, 2026 (view filing)4:15 PM ET | Jun 30 | 2 days | Brown Christopher D.Director | SSale | −20.0K | $8.84 | −$176.8K | −2.3%845.6K after | 10b5-1 |
| Jul 7, 2026 (view filing)4:45 PM ET | Jul 2 | 5 days | Brown Christopher D.Director | SSale | −2.20K | $9.02 | −$19.8K | −0.3%843.4K after | 10b5-1 |
| Jul 7, 2026 (view filing)4:45 PM ET | Jul 2 | 5 days | Knopp Kevin J.President and CEO | SSale | −222 | $9.07 | −$2.01K | 0.0%732.6K after | 10b5-1 |
| Aug 6, 2026 (view filing)4:26 PM ET | Aug 4 | 2 days | AWM Investment Company, Inc.10% Owner | SSale | −50.0K | $8.36 | −$417.8K | −1.0%4.83M after | |
| Aug 7, 2026 (view filing)4:50 PM ET | Aug 5 | 2 days | Brown Christopher D.Director | SSale | −20.0K | $8.49 | −$169.8K | −2.4%823.4K after | 10b5-1 |
| Aug 12, 2026 (view filing)5:05 PM ET | Aug 10-12 | 2 days | Knopp Kevin J.President and CEO | SSale | −149.0K | $9.90 | −$1.48M | −20.3%583.6K after | 4 lots10b5-1 |
| Aug 12, 2026 (view filing)5:05 PM ET | Aug 10-11 | 2 days | Brown Christopher D.Director | SSale | −17.8K | $9.12 | −$162.4K | −2.2%805.6K after | 2 lots10b5-1 |
| Aug 17, 2026 (view filing)5:30 PM ET | Aug 13-17 | 4 days | Knopp Kevin J.President and CEO | SSale | −27.6K | $10.27 | −$283.7K | −4.7%556.0K after | 2 lots10b5-1 |
| Aug 24, 2026 (view filing)4:50 PM ET | Aug 20-21 | 4 days | AWM Investment Company, Inc.10% Owner | SSale | −50.0K | $10.60 | −$529.8K | −1.0%4.78M after | 2 lots |
| Aug 27, 2026 (view filing)4:55 PM ET | Aug 25 | 2 days | Griffith Joseph H. IVChief Financial Officer | SSale | −11.5K | $10.95 | −$125.5K | −8.6%121.5K after | 10b5-1 |
| Sep 4, 2026 (view filing)4:15 PM ET | Sep 2 | 2 days | Brown Christopher D.Director | SSale | −30.0K | $10.58 | −$317.4K | −3.7%775.6K after | 10b5-1 |
| Sep 17, 2026 (view filing)5:27 PM ET | Sep 15-17 | 2 days | Kenneweg JohnSVP, Sales & Product Marketing | SSale | −27.7K | $10.13 | −$280.1K | −32.4%57.8K after | 3 lots10b5-1 |
| Sep 25, 2026 (view filing)4:19 PM ET | Sep 23-24 | 2 days | AWM Investment Company, Inc.10% Owner | SSale | −25.0K | $11.36 | −$283.9K | −0.5%4.75M after | 2 lots |