908 Devices Inc.

By person

21 insiders · 250 transactions

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

Knopp Kevin J.

President and CEO

$424.78K (7)

$11.35M (57)

−$10.93M

1,097,191

$11.61M

−13.2%

Brown Christopher D.

Director

—

$7.56M (51)

−$7.56M

775,559

$8.21M

−29.8%

ARCH Venture Fund VII, L.P. entity

10% owner

$6.00M (1)

—

+$6.00M

5,725,045

$60.57M

—

CRANDELL KEITH

Director

$6.00M (1)

—

+$6.00M

5,764,419

$60.99M

—

Basarsky Trent A.

VP, Corporate Development

$100.00K (1)

$4.99M (22) scheduled

−$4.89M

80,000

$846.40K

+1,233%

Griffith Joseph H. IV

Chief Financial Officer

—

$4.46M (31) scheduled

−$4.46M

121,497

$1.29M

+28.7%

AWM Investment Company, Inc. entity

10% owner

—

$3.68M (15)

−$3.68M

9,667,264

$102.28M

−4.2%

Kenneweg John

SVP, Sales & Product Marketing

—

$3.01M (17) scheduled

−$3.01M

57,784

$611.35K

0.0%

Kedar Sharon

Director

$2.00M (1)

—

+$2.00M

1,077,091

$11.40M

—

Turner Michael S.

Chief Legal & Admin Officer

$100.00K (1)

$1.69M (16) scheduled

−$1.59M

$0.00

—

HRUSOVSKY E KEVIN

Director

$1.00M (1)

—

+$1.00M

301,889

$3.19M

—

BARTHELEMY NICOLAS

Director

$280.00K (1)

$516.37K (3) scheduled

−$236.37K

28,920

$305.97K

—

McCallion Kevin J.

SVP, Products and Production

—

$188.02K (4) scheduled

−$188.02K

44,925

$475.31K

0.0%

Spoto Mark

Director

$87.80K (4)

—

+$87.80K

258,012

$2.73M

—

Fitzpatrick Maura

VP, Product Management & Mktg

—

$14.66K (1) scheduled

−$14.66K

2,834

$29.98K

—

Hunt Anthony

Director

—

44,168

$467.30K

—

ELOI FENEL M

Director

—

40,897

$432.69K

—

Leonhart Michele M.

Director

—

27,054

$286.23K

—

George Jeffrey P.

Director

—

26,814

$283.69K

—

Eisenberg Marcia

Director

—

25,957

$274.63K

—

Vann Brandi C

Director

—

5,192

$54.93K

—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

Insider

Date

Role

Action

Price

Amount

Brown Christopher D.

2 Sep 2026

Director

Sold on a plan

30,000

$10.58

$317.40K

Griffith Joseph H. IV

25 Aug 2026

Chief Financial Officer

Sold on a plan

11,459

$10.95

$125.48K

Knopp Kevin J.

17 Aug 2026

President and CEO

Sold on a plan

20,000

$10.35

$207.00K

Knopp Kevin J.

13 Aug 2026

President and CEO

Sold on a plan

7,622

$10.06

$76.68K

Knopp Kevin J.

12 Aug 2026

President and CEO

Sold on a plan

2,747

$10.07

$27.66K

Knopp Kevin J.

11 Aug 2026

President and CEO

Sold on a plan

30,170

$10.16

$306.53K

Knopp Kevin J.

11 Aug 2026

President and CEO

Sold on a plan

115,748

$9.83

$1.14M

Brown Christopher D.

11 Aug 2026

Director

Sold on a plan

8,358

$9.23

$77.14K

Knopp Kevin J.

10 Aug 2026

President and CEO

Sold on a plan

348

$9.06

$3.15K

Brown Christopher D.

10 Aug 2026

Director

Sold on a plan

9,442

$9.03

$85.26K

Brown Christopher D.

5 Aug 2026

Director

Sold on a plan

20,000

$8.49

$169.80K

Brown Christopher D.

2 Jul 2026

Director

Sold on a plan

2,200

$9.02

$19.84K

Knopp Kevin J.

2 Jul 2026

President and CEO

Sold on a plan

222

$9.07

$2.01K

Brown Christopher D.

30 Jun 2026

Director

Sold on a plan

20,000

$8.84

$176.80K

Knopp Kevin J.

26 Jun 2026

President and CEO

Sold on a plan

2,798

$9.09

$25.43K

Knopp Kevin J.

25 Jun 2026

President and CEO

Sold on a plan

16,388

$9.10

$149.13K

Knopp Kevin J.

24 Jun 2026

President and CEO

Sold on a plan

40,535

$9.14

$370.49K

Knopp Kevin J.

23 Jun 2026

President and CEO

Sold on a plan

3,422

$9.06

$31.00K

Brown Christopher D.

23 Jun 2026

Director

Sold on a plan

9,900

$9.04

$89.50K

Brown Christopher D.

4 Jun 2026

Director

Sold on a plan

100

$9.00

$900.00

Brown Christopher D.

3 Jun 2026

Director

Sold on a plan

20,000

$8.73

$174.60K

Griffith Joseph H. IV

28 May 2026

Chief Financial Officer

Sold on a plan

6,940

$9.03

$62.67K

Brown Christopher D.

28 May 2026

Director

Sold on a plan

30,000

$9.00

$270.00K

Brown Christopher D.

6 May 2026

Director

Sold on a plan

20,000

$7.23

$144.60K

Brown Christopher D.

10 Apr 2026

Director

Sold on a plan

17,578

$7.07

$124.28K

Brown Christopher D.

9 Apr 2026

Director

Sold on a plan

7,392

$7.04

$52.04K

Brown Christopher D.

8 Apr 2026

Director

Sold on a plan

15,030

$7.05

$105.96K

McCallion Kevin J.

2 Mar 2026

SVP, Products and Production

Sold on a plan

$7.00

$49.00

Griffith Joseph H. IV

3 Oct 2025

Chief Financial Officer

Sold on a plan

4,292

$9.05

$38.85K

Griffith Joseph H. IV

2 Oct 2025

Chief Financial Officer

Sold on a plan

708

$9.04

$6.40K

Griffith Joseph H. IV

19 Sep 2025

Chief Financial Officer

Sold on a plan

5,000

$7.07

$35.34K

Brown Christopher D.

7 Jun 2023

Chief Product Officer

Sold on a plan

4,470

$10.03

$44.83K

Knopp Kevin J.

23 May 2023

President and CEO

Sold on a plan

60,000

$10.12

$607.20K

Brown Christopher D.

23 May 2023

Chief Technology Officer

Sold on a plan

10,000

$10.02

$100.20K

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