908 Devices Inc. (MASS) - Insider Holders & Insider Ownership

List of insiders holdings for 908 Devices Inc.:
  1. Shares directly owned by the insider.
  2. Shares indirectly owned by the insider.
  3. Total shares owned by the insider (sum of shares directly and indirectly owned).
  4. Total market value if available.
  5. Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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#Insider Holder NameReport
Date Time		Shares Owned
Directly
Indirectly		Total
Shares Owned		Filing
1ARCH Venture Fund VII L.P.
ARCH Venture Partners VII L.P.
ARCH Venture Partners VII LLC
BYBEE CLINTON
NELSEN ROBERT
10% Owner		2024-11-14 17:11:185,782,548
0		5,782,548Form 13G
2CRANDELL KEITH
Director
10% Owner		2025-06-13 16:18:4445,890
5,725,045		5,770,935Form 4
3AWM Investment Company Inc.
10% Owner		2025-04-07 16:18:425,199,924
0		5,199,924Form 13G
4Knopp Kevin J.
President and CEO		2026-02-03 20:45:241,272,027
541,223		1,813,250Form 4
5Kedar Sharon
Director		2020-12-22 20:31:580
1,077,091		1,077,091Form 4
6Brown Christopher D.
Director		2026-04-10 18:37:36945,559
0		945,559Form 4
7HRUSOVSKY E KEVIN
Director		2025-06-13 16:21:34171,906
329,675		501,581Form 4
8Kenneweg John
SVP, Sales & Product Marketing		2026-03-06 16:25:55484,515
0		484,515Form 3
9Griffith Joseph H. IV
Chief Financial Officer		2026-02-03 20:45:22433,799
0		433,799Form 4
10Otitoju Kolawole A.
Chief Bus. & Strategy Officer		2026-04-22 08:08:48256,982
0		256,982Form 4
11Levine Mark S.
Chief Legal and Admin. Officer		2026-03-05 16:52:31228,710
0		228,710Form 3
12Basarsky Trent A.
VP, Corporate Development		2022-04-28 16:17:45145,779
0		145,779Form 4
13Spoto Mark
Director		2026-02-03 20:45:2175,263
3,599		78,862Form 4
14Fournier Michele
Chief People Officer		2022-05-09 16:53:1559,314
0		59,314Form 3
15Hunt Anthony
Director		2025-06-13 16:21:0350,684
0		50,684Form 4
16ELOI FENEL M
Director		2025-06-13 16:19:5547,413
0		47,413Form 4
17George Jeffrey P.
Director		2025-06-13 16:20:3747,413
0		47,413Form 4
18McCallion Kevin J.
SVP, Products and Production		2026-04-14 16:00:0544,925
0		44,925Form 4
19Vann Brandi C
Director		2025-08-18 16:03:1635,986
0		35,986Form 4
20BARTHELEMY NICOLAS
Director		2022-06-17 16:14:2115,379
13,541		28,920Form 4
21Eisenberg Marcia
Director		2025-06-13 16:19:1725,957
0		25,957Form 4
22Leonhart Michele M.
Director		2025-06-27 16:01:1819,456
0		19,456Form 4
23Fitzpatrick Maura
VP, Product Management & Mktg		2023-02-03 17:15:2216,115
0		16,115Form 4
24Ramsey John Michael
Director		2020-12-21 19:02:4314,410
0		14,410Form 4
25Turner Michael S.
Chief Legal & Admin Officer		2025-06-18 16:35:240
0		0Form 4