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908 Devices Inc.

MASS Net selling

CIK 0001555279 #3233 in the set updated 21 Sep 2026

Bought (12 mo)

$0.00

out of their own pocket, the only kind of buying there is

Sold (12 mo)

$9.09M

$4.38M on a plan · $521.23K straight out of an exercise

Sold at will

$4.19M

18 of 55 sales

Net

−$9.09M

−$4.19M against sales at will

By person

16 insiders · 55 transactions

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

AWM Investment Company, Inc. entity

10% owner

—

$3.68M (15)

−$3.68M

9,667,264

$98.80M

−4.2%

Knopp Kevin J.

President and CEO

—

$2.55M (12) scheduled

−$2.55M

555,968

$5.68M

+9.2%

Brown Christopher D.

Director

—

$1.81M (14) scheduled

−$1.81M

775,559

$7.93M

−13.0%

Kenneweg John

SVP, Sales & Product Marketing

—

$481.30K (5) scheduled

−$481.30K

57,784

$590.55K

0.0%

Griffith Joseph H. IV

Chief Financial Officer

—

$376.61K (5) scheduled

−$376.61K

121,497

$1.24M

+30.0%

McCallion Kevin J.

SVP, Products and Production

—

$188.02K (4) scheduled

−$188.02K

44,925

$459.13K

0.0%

HRUSOVSKY E KEVIN

Director

—

165,390

$1.69M

+18.2%

Spoto Mark

Director

—

89,346

$913.12K

+68.7%

Hunt Anthony

Director

—

44,168

$451.40K

+165.1%

ELOI FENEL M

Director

—

40,897

$417.97K

+164.7%

CRANDELL KEITH

Director

—

39,374

$402.40K

+182.7%

Leonhart Michele M.

Director

—

27,054

$276.49K

—

George Jeffrey P.

Director

—

26,814

$274.04K

+73.6%

Eisenberg Marcia

Director

—

25,957

$265.28K

+77.9%

Vann Brandi C

Director

—

5,192

$53.06K

—

Turner Michael S.

Chief Legal & Admin Officer

—

$0.00

−100.0%

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

AWM Investment Company, Inc.

21 Aug 2026

10% owner

Sell indirect

41,578

$10.61

$441.16K

AWM Investment Company, Inc.

20 Aug 2026

10% owner

Sell indirect

8,422

$10.52

$88.64K

AWM Investment Company, Inc.

4 Aug 2026

10% owner

Sell indirect

50,000

$8.36

$417.77K

AWM Investment Company, Inc.

23 Jun 2026

10% owner

Sell indirect

3,050

$9.00

$27.46K

AWM Investment Company, Inc.

22 Jun 2026

10% owner

Sell indirect

4,668

$8.99

$41.97K

AWM Investment Company, Inc.

4 Jun 2026

10% owner

Sell indirect

39,782

$8.97

$356.86K

AWM Investment Company, Inc.

2 Jun 2026

10% owner

Sell indirect

2,500

$8.95

$22.38K

AWM Investment Company, Inc.

28 May 2026

10% owner

Sell indirect

170,442

$8.66

$1.48M

AWM Investment Company, Inc.

27 May 2026

10% owner

Sell indirect

15,000

$8.25

$123.79K

AWM Investment Company, Inc.

27 May 2026

10% owner

Sell indirect

1,500

$8.25

$12.38K

AWM Investment Company, Inc.

11 May 2026

10% owner

Sell indirect

5,000

$8.25

$41.26K

AWM Investment Company, Inc.

8 May 2026

10% owner

Sell indirect

3,025

$8.20

$24.81K

Kenneweg John

8 May 2026

SVP, Sales & Product Marketing

Sell

18,255

$8.11

$148.05K

AWM Investment Company, Inc.

7 May 2026

10% owner

Sell indirect

12,819

$8.20

$105.17K

AWM Investment Company, Inc.

6 May 2026

10% owner

Sell indirect

57,365

$8.06

$462.16K

AWM Investment Company, Inc.

6 May 2026

10% owner

Sell indirect

5,000

$8.00

$40.00K

Griffith Joseph H. IV

2 Feb 2026

Chief Financial Officer

Sell

23,175

$6.18

$143.22K

Knopp Kevin J.

2 Feb 2026

President and CEO

Sell

34,764

$6.18

$214.84K

Show all 55 transactions →

908 Devices Inc.

By person

Individual transactions

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