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

Real time insider trading transaction history:

  • Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
  • 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
What is insider trading>>
Time period
Insider Trading Transactions for 908 Devices Inc.
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Common stock purchase or sale:
Transaction
Date
Reported
DateTime
CompanySymbolInsider
Relationship
Shares
Traded
Average
Price
Total
Amount
Shares
Owned
Filing
2026-06-04
Sale
2026-06-05
6:49 pm
908 Devices Inc.MASSBrown Christopher D.
Director
100$9$900875,459
(Direct)
View
2026-06-02
Sale
2026-06-04
4:43 pm
908 Devices Inc.MASSAWM Investment Company Inc.
10% Owner
42,282$8.9691$379,2314,887,491
(Indirect)
View
2026-06-03
Sale
2026-06-04
4:15 pm
908 Devices Inc.MASSBrown Christopher D.
Director
20,000$8.73$174,600875,559
(Direct)
View
2026-05-27
Sale
2026-05-29
4:48 pm
908 Devices Inc.MASSAWM Investment Company Inc.
10% Owner
186,942$8.6235$1,612,0914,929,773
(Indirect)
View
2026-05-28
Sale
2026-05-29
4:15 pm
908 Devices Inc.MASSBrown Christopher D.
Director
30,000$9$270,000895,559
(Direct)
View
2026-05-28
Sale
2026-05-29
4:15 pm
908 Devices Inc.MASSGriffith Joseph H. IV
Chief Financial Officer
6,940$9.03$62,668132,956
(Direct)
View
2026-05-11
Sale
2026-05-13
4:49 pm
908 Devices Inc.MASSAWM Investment Company Inc.
10% Owner
5,000$8.2514$41,2575,116,715
(Indirect)
View
2026-05-08
Sale
2026-05-11
4:05 pm
908 Devices Inc.MASSKenneweg John
SVP, Sales & Product Marketing
18,255$8.11$148,04857,784
(Direct)
View
2026-05-06
Sale
2026-05-08
4:40 pm
908 Devices Inc.MASSAWM Investment Company Inc.
10% Owner
78,209$8.0826$632,1305,121,715
(Indirect)
View
2026-05-06
Sale
2026-05-07
4:30 pm
908 Devices Inc.MASSBrown Christopher D.
Director
20,000$7.23$144,600925,559
(Direct)
View
2026-05-01
Sale
2026-05-04
4:30 pm
908 Devices Inc.MASSKenneweg John
SVP, Sales & Product Marketing
7,787$6.83$53,18576,039
(Direct)
View
2026-04-10
Sale
2026-04-14
4:00 pm
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
2,693$7.01$18,87844,925
(Direct)
View
2026-04-08
Sale
2026-04-10
7:31 pm
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
24,000$7.0455$169,09255,717
(Direct)
View
2026-04-08
Sale
2026-04-10
6:37 pm
908 Devices Inc.MASSBrown Christopher D.
Director
40,000$7.0569$282,278945,559
(Direct)
View
2026-03-02
Sale(A)
2026-03-05
4:50 pm
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
7$7$4971,611
(Direct)
View
2026-03-02
Sale
2026-03-04
4:07 pm
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
7$7$4944,918
(Direct)
View
2026-02-02
Sale
2026-02-03
8:45 pm
908 Devices Inc.MASSKnopp Kevin J.
President and CEO
34,764$6.18$214,8421,813,250
(Indirect
Direct)
View
2026-02-02
Sale
2026-02-03
8:45 pm
908 Devices Inc.MASSGriffith Joseph H. IV
Chief Financial Officer
23,175$6.18$143,222433,799
(Direct)
View
2025-10-02
Sale
2025-10-06
12:41 pm
908 Devices Inc.MASSGriffith Joseph H. IV
Chief Financial Officer
5,000$9.0494$45,24792,930
(Direct)
View
2025-09-19
Sale
2025-09-23
12:33 pm
908 Devices Inc.MASSGriffith Joseph H. IV
Chief Financial Officer
5,000$7.0677$35,33997,930
(Direct)
View
2025-06-16
Sale
2025-06-18
4:35 pm
908 Devices Inc.MASSTurner Michael S.
Chief Legal & Admin Officer
24,603$7.5108$184,7890
(Direct)
View

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-06-11
Option Award
2026-06-12
4:52 pm
N/A
N/A
908 Devices Inc.MASSVann Brandi C
Director
19,865$019,865
(Direct)
View
2026-06-11
Option Award
2026-06-12
4:51 pm
N/A
N/A
908 Devices Inc.MASSLeonhart Michele M.
Director
19,865$040,433
(Direct)
View
2026-06-10
Exercise
2026-06-12
4:51 pm
N/A
N/A
908 Devices Inc.MASSLeonhart Michele M.
Director
14,083$040,433
(Direct)
View
2026-06-11
Option Award
2026-06-12
4:49 pm
N/A
N/A
908 Devices Inc.MASSHRUSOVSKY E KEVIN
Director
19,865$0514,930
(Direct)
View
2026-06-10
Exercise
2026-06-12
4:49 pm
N/A
N/A
908 Devices Inc.MASSHRUSOVSKY E KEVIN
Director
14,083$0514,930
(Direct)
View
2026-06-11
Option Award
2026-06-12
4:48 pm
N/A
N/A
908 Devices Inc.MASSHunt Anthony
Director
19,865$064,033
(Direct)
View
2026-06-10
Exercise
2026-06-12
4:48 pm
N/A
N/A
908 Devices Inc.MASSHunt Anthony
Director
14,083$064,033
(Direct)
View
2026-06-11
Option Award
2026-06-12
4:47 pm
N/A
N/A
908 Devices Inc.MASSELOI FENEL M
Director
19,865$060,762
(Direct)
View
2026-06-10
Exercise
2026-06-12
4:47 pm
N/A
N/A
908 Devices Inc.MASSELOI FENEL M
Director
14,083$060,762
(Direct)
View
2026-06-11
Option Award
2026-06-12
4:46 pm
N/A
N/A
908 Devices Inc.MASSCRANDELL KEITH
Director
19,865$05,784,284
(Direct)
View
2026-06-10
Exercise
2026-06-12
4:46 pm
N/A
N/A
908 Devices Inc.MASSCRANDELL KEITH
Director
14,083$05,784,284
(Direct)
View
2026-06-11
Option Award
2026-06-12
4:45 pm
N/A
N/A
908 Devices Inc.MASSSpoto Mark
Director
19,865$0112,810
(Direct)
View
2026-06-10
Exercise
2026-06-12
4:45 pm
N/A
N/A
908 Devices Inc.MASSSpoto Mark
Director
14,083$0112,810
(Direct)
View
2026-05-01
Exercise
2026-05-04
4:30 pm
N/A
N/A
908 Devices Inc.MASSKenneweg John
SVP, Sales & Product Marketing
26,042$076,039
(Direct)
View
2026-04-28
Option Award
2026-04-29
4:05 pm
N/A
N/A
908 Devices Inc.MASSKenneweg John
SVP, Sales & Product Marketing
26,042$026,042
(Direct)
View
2026-04-21
Option Award
2026-04-22
08:08 am
N/A
2036-04-20
908 Devices Inc.MASSOtitoju Kolawole A.
Chief Bus. & Strategy Officer
256,982$0256,982
(Direct)
View
2026-04-10
Exercise
2026-04-14
4:00 pm
N/A
2030-08-27
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
2,693$044,925
(Direct)
View
2026-04-10
Exercise
2026-04-14
4:00 pm
N/A
N/A
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
2,693$1.0544,925
(Direct)
View
2026-04-08
Exercise
2026-04-10
7:31 pm
N/A
2030-08-27
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
24,000$055,717
(Direct)
View
2026-04-08
Exercise
2026-04-10
7:31 pm
N/A
N/A
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
24,000$1.0555,717
(Direct)
View

Ownership
2026-03-06
4:25 pm
N/A
N/A
908 Devices Inc.MASSKenneweg John
SVP, Sales & Product Marketing
0$0484,515
(Direct)
View

Ownership
2026-03-05
4:52 pm
N/A
2035-12-07
908 Devices Inc.MASSLevine Mark S.
Chief Legal and Admin. Officer
0$0228,710
(Direct)
View
2026-03-02
Exercise(A)
2026-03-05
4:50 pm
N/A
2030-08-27
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
7$071,611
(Direct)
View
2026-03-02
Exercise(A)
2026-03-05
4:50 pm
N/A
N/A
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
7$1.0571,611
(Direct)
View

Ownership
2026-03-04
4:05 pm
N/A
N/A
908 Devices Inc.MASSMcCallion Kevin J.
SVP, Products and Production
0$0369,221
(Direct)
View
2026-02-01
Exercise
2026-02-03
8:45 pm
N/A
N/A
908 Devices Inc.MASSBrown Christopher D.
Director
23,437$01,014,959
(Direct)
View
2026-02-02
Option Award
2026-02-03
8:45 pm
N/A
N/A
908 Devices Inc.MASSKnopp Kevin J.
President and CEO
296,021$01,813,250
(Direct)
View
2026-02-01
Exercise
2026-02-03
8:45 pm
N/A
N/A
908 Devices Inc.MASSKnopp Kevin J.
President and CEO
107,999$01,813,250
(Direct)
View
2026-02-02
Option Award
2026-02-03
8:45 pm
N/A
N/A
908 Devices Inc.MASSGriffith Joseph H. IV
Chief Financial Officer
174,131$0433,799
(Direct)
View
2026-02-01
Exercise
2026-02-03
8:45 pm
N/A
N/A
908 Devices Inc.MASSGriffith Joseph H. IV
Chief Financial Officer
70,141$0433,799
(Direct)
View
2025-12-30
Gift
2026-02-03
8:45 pm
N/A
N/A
908 Devices Inc.MASSSpoto Mark
Director
928$078,862
(Indirect)
View
2025-10-14
Acquisition
2026-02-03
8:45 pm
N/A
N/A
908 Devices Inc.MASSSpoto Mark
Director
928$078,862
(Indirect)
View
2025-08-01
Option Award
2025-08-18
4:03 pm
N/A
N/A
908 Devices Inc.MASSVann Brandi C
Director
35,986$035,986
(Direct)
View
2025-06-25
Exercise
2025-06-27
4:01 pm
N/A
N/A
908 Devices Inc.MASSLeonhart Michele M.
Director
6,485$019,456
(Direct)
View

Ownership
2025-06-18
4:37 pm
N/A
N/A
908 Devices Inc.MASSBrown Christopher D.
Director
0$01,335,363
(Direct)
View
(A) Indicate amendment filing.
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