908 Devices

MASS13F as of Jun 30, 2026 · next update ~Nov 14

Limited coverage

Only 1 fund we track owns this stock, so quarterly sentiment and aggregates may be sparse.

Who's buying MASS

Top funds mostly added to 908 Devices in Q2 (Apr⁠–⁠Jun)

Buying:

Funds1InsidersCongress

Top funds
1 of 1 bought more, 0 sold some. Largest: First Eagle Investment Management, $8.1M (0% of its portfolio).
Insiders
No buys, 37 sales in 12 months.
Congress
No trades disclosed in the last 12 months.

1 fund$8.1M held0.0% avg. weightQ2: 1 bought / 0 sold

13F reports are a snapshot as of Jun 30, 2026; funds may have traded since. Insiders often sell for personal reasons (taxes, diversification, planned sales).

Share price · market data, not from 13F reports

Q2 2026

Insider trades (Form 4)

Last 2 years · 48 filings

Net buying$10.55M

Date	Insider	Type	Shares	Price	Value
Oct 7, 2026	Christopher D. Brown Director	Sold	30,000	$11.89	$357K
Oct 6, 2026	Joseph H. Griffith IV CFO	Sold	5,000	$13.03	$65K
Sep 29, 2026	Awm Investment Company, Inc. 10% Owner	Sold	18,000	$11.52	$207K
Sep 23, 2026	Awm Investment Company, Inc. 10% Owner	Sold	25,000	$11.36	$284K
Sep 15, 2026	John Kenneweg VP	Sold	27,656	$10.13	$280K
Sep 2, 2026	Christopher D. Brown Director	Sold	30,000	$10.58	$317K
Aug 25, 2026	Joseph H. Griffith IV CFO	Sold	11,459	$10.95	$125K
Aug 20, 2026	Awm Investment Company, Inc. 10% Owner	Sold	50,000	$10.60	$530K
Aug 13, 2026	Kevin J. Knopp President & CEO	Sold	27,622	$10.27	$284K
Aug 10, 2026	Christopher D. Brown Director	Sold	17,800	$9.12	$162K
Aug 10, 2026	Kevin J. Knopp President & CEO	Sold	149,013	$9.90	$1.48M
Aug 5, 2026	Christopher D. Brown Director	Sold	20,000	$8.49	$170K
Aug 4, 2026	Awm Investment Company, Inc. 10% Owner	Sold	50,000	$8.36	$418K
Jul 2, 2026	Kevin J. Knopp President & CEO	Sold	222	$9.07	$2K
Jul 2, 2026	Christopher D. Brown Director	Sold	2,200	$9.02	$20K
Jun 30, 2026	Christopher D. Brown Director	Sold	20,000	$8.84	$177K
Jun 26, 2026	Kevin J. Knopp President & CEO	Sold	2,798	$9.09	$25K
Jun 23, 2026	Christopher D. Brown Director	Sold	9,900	$9.04	$89K
Jun 23, 2026	Kevin J. Knopp President & CEO	Sold	60,345	$9.12	$551K
Jun 22, 2026	Awm Investment Company, Inc. 10% Owner	Sold	7,718	$9.00	$69K
Jun 4, 2026	Christopher D. Brown Director	Sold	100	$9.00	$900
Jun 2, 2026	Awm Investment Company, Inc. 10% Owner	Sold	42,282	$8.97	$379K
Jun 3, 2026	Christopher D. Brown Director	Sold	20,000	$8.73	$175K
May 27, 2026	Awm Investment Company, Inc. 10% Owner	Sold	186,942	$8.62	$1.61M
May 28, 2026	Christopher D. Brown Director	Sold	30,000	$9.00	$270K
May 28, 2026	Joseph H. Griffith IV CFO	Sold	6,940	$9.03	$63K
May 11, 2026	Awm Investment Company, Inc. 10% Owner	Sold	5,000	$8.25	$41K
May 8, 2026	John Kenneweg VP	Sold	18,255	$8.11	$148K
May 6, 2026	Awm Investment Company, Inc. 10% Owner	Sold	78,209	$8.08	$632K
May 6, 2026	Christopher D. Brown Director	Sold	20,000	$7.23	$145K
May 1, 2026	John Kenneweg VP	Sold	7,787	$6.83	$53K
Apr 10, 2026	Kevin J. Mccallion VP	Sold	2,693	$7.01	$19K
Apr 8, 2026	Kevin J. Mccallion VP	Sold	24,000	$7.05	$169K
Apr 8, 2026	Christopher D. Brown Director	Sold	40,000	$7.06	$282K
Mar 2, 2026	Kevin J. Mccallion VP	Sold	7	$7.00	$49
Feb 2, 2026	Kevin J. Knopp President & CEO	Sold	34,764	$6.18	$215K
Feb 2, 2026	Joseph H. Griffith IV CFO	Sold	23,175	$6.18	$143K
Oct 2, 2025	Joseph H. Griffith IV CFO	Sold	5,000	$9.05	$45K
Sep 19, 2025	Joseph H. Griffith IV CFO	Sold	5,000	$7.07	$35K
Jun 16, 2025	Michael S. Turner CLO	Sold	24,603	$7.51	$185K
Jun 4, 2025	Joseph H. Griffith IV CFO	Sold	6,940	$7.08	$49K
May 15, 2025	Kevin J. Knopp President & CEO	Bought	15,000	$4.44	$67K
May 14, 2025	Mark Spoto Director	Bought	10,000	$4.29	$43K
May 14, 2025	Kevin J. Knopp President & CEO	Bought	15,000	$4.32	$65K
Feb 3, 2025	Joseph H. Griffith IV CFO	Sold	10,236	$2.34	$24K
Feb 3, 2025	Michael S. Turner CLO	Sold	9,672	$2.33	$22K
Feb 3, 2025	Kevin J. Knopp President & CEO	Sold	16,001	$2.32	$37K
Feb 3, 2025	Christopher D. Brown	Sold	7,767	$2.34	$18K