908 Devices Ownership & Insider Activity

908 Devices (MASS) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 8.9% of shares outstanding. Institutional investors hold 39.7%. Over the past 90 days, insiders made 11 sales worth $4.0M.

Shares Outstanding

41.334M

Shares Float

21.230M

Insider Shares Owned

3.671M

Insider % Owned

8.9%

Institutional Shares Held

16.407M

Institutional % Held

39.7%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$4.0M total

Net Activity

Net Selling

Net Value (90d)

-$4.0M

908 Devices Insider Transactions (Last 6 Months)

모든 내부자 거래 내역 보기 →

Date	Insider	Title	Type	Shares	Price	Value
Oct 7, 2026	Christopher Brown	—	SELL-OPTIONS	30.000K	$6.82	$252K
Oct 6, 2026	Joseph Griffith IV	CHIEF FINANCIAL OFFICER	SELL	5.000K	$13.03	$65K
Sep 29, 2026	AWM Investment Company Inc	10% OWNER	SELL	18.000K	$11.52	$207K
Sep 23, 2026	AWM Investment Company Inc	10% OWNER	SELL	25.000K	$11.36	$284K
Sep 15, 2026	John Kenneweg	SVP, SALES & PRODUCT MARKETING	SELL-OPTIONS	—	$5.54	$254K
Sep 2, 2026	Christopher Brown	—	SELL	30.000K	$10.58	$317K
Aug 25, 2026	Joseph Griffith IV	CHIEF FINANCIAL OFFICER	SELL	11.459K	$10.95	$125K
Aug 20, 2026	AWM Investment Company Inc	10% OWNER	SELL	50.000K	$10.60	$530K
Aug 13, 2026	Kevin Knopp	PRESIDENT AND CEO	SELL	27.622K	$10.27	$284K
Aug 10, 2026	Christopher Brown	—	SELL	17.800K	$9.12	$162K
Aug 10, 2026	Kevin Knopp	PRESIDENT AND CEO	SELL	149.013K	$9.90	$1.5M
Aug 5, 2026	Christopher Brown	—	SELL	20.000K	$8.49	$170K
Aug 4, 2026	AWM Investment Company Inc	10% OWNER	SELL	50.000K	$8.36	$418K
Jul 2, 2026	Kevin Knopp	PRESIDENT AND CEO	SELL	222.000	$9.07	$2K
Jul 2, 2026	Christopher Brown	—	SELL	2.200K	$9.02	$20K
Jun 30, 2026	Christopher Brown	—	SELL	20.000K	$8.84	$177K
Jun 26, 2026	Kevin Knopp	PRESIDENT AND CEO	SELL	2.798K	$9.09	$25K
Jun 23, 2026	Christopher Brown	—	SELL	9.900K	$9.04	$89K
Jun 23, 2026	Kevin Knopp	PRESIDENT AND CEO	SELL	60.345K	$9.12	$551K
Jun 22, 2026	AWM Investment Company Inc	10% OWNER	SELL	7.718K	$9.00	$69K
Jun 4, 2026	Christopher Brown	—	SELL	100.000	$9.00	$900
Jun 3, 2026	Christopher Brown	—	SELL	20.000K	$8.73	$175K
Jun 2, 2026	AWM Investment Company Inc	10% OWNER	SELL	42.282K	$8.97	$379K
May 28, 2026	Joseph Griffith IV	CHIEF FINANCIAL OFFICER	SELL	6.940K	$9.03	$63K
May 28, 2026	Christopher Brown	—	SELL	30.000K	$9.00	$270K
May 27, 2026	AWM Investment Company Inc	10% OWNER	SELL	186.942K	$8.62	$1.6M
May 11, 2026	AWM Investment Company Inc	10% OWNER	SELL	5.000K	$8.25	$41K
May 8, 2026	John Kenneweg	SVP, SALES & PRODUCT MARKETING	SELL	18.255K	$8.11	$148K
May 6, 2026	AWM Investment Company Inc	10% OWNER	SELL	78.209K	$8.08	$632K
May 6, 2026	Christopher Brown	—	SELL	20.000K	$7.23	$145K
May 1, 2026	John Kenneweg	SVP, SALES & PRODUCT MARKETING	SELL-OPTIONS	18.255K	$6.83	$53K

908 Devices Inc

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908 Devices Ownership & Insider Activity

908 Devices Insider Transactions (Last 6 Months)

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