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
2026-09-23
Sale
2026-09-25
4:19 pm
908 Devices Inc.MASSAWM Investment Company Inc.
10% Owner
25,000$11.36$283,8764,754,773
(Indirect)
View
2026-09-15
Sale
2026-09-17
5:27 pm
908 Devices Inc.MASSKenneweg John
SVP, Sales & Product Marketing
27,656$10.13$280,07089,697
(Direct)
View
2026-09-02
Sale
2026-09-04
4:15 pm
908 Devices Inc.MASSBrown Christopher D.
Director
30,000$10.58$317,400775,559
(Direct)
View
2026-08-25
Sale
2026-08-27
4:55 pm
908 Devices Inc.MASSGriffith Joseph H. IV
Chief Financial Officer
11,459$10.95$125,476121,497
(Direct)
View
2026-08-20
Sale
2026-08-24
4:50 pm
908 Devices Inc.MASSAWM Investment Company Inc.
10% Owner
50,000$10.6$529,7974,779,773
(Indirect)
View
2026-08-13
Sale
2026-08-17
5:30 pm
908 Devices Inc.MASSKnopp Kevin J.
President and CEO
27,622$10.27$283,6771,097,191
(Indirect
Direct)
View
2026-08-10
Sale
2026-08-12
5:05 pm
908 Devices Inc.MASSBrown Christopher D.
Director
17,800$9.1239$162,406805,559
(Direct)
View
2026-08-10
Sale
2026-08-12
5:05 pm
908 Devices Inc.MASSKnopp Kevin J.
President and CEO
149,013$9.8994$1,475,1451,124,813
(Indirect
Direct)
View
2026-08-05
Sale
2026-08-07
4:50 pm
908 Devices Inc.MASSBrown Christopher D.
Director
20,000$8.49$169,800823,359
(Direct)
View
2026-08-04
Sale
2026-08-06
4:26 pm
908 Devices Inc.MASSAWM Investment Company Inc.
10% Owner
50,000$8.3553$417,7654,829,773
(Indirect)
View
2026-07-02
Sale
2026-07-07
4:45 pm
908 Devices Inc.MASSKnopp Kevin J.
President and CEO
222$9.07$2,0141,273,826
(Indirect
Direct)
View
2026-07-02
Sale
2026-07-07
4:45 pm
908 Devices Inc.MASSBrown Christopher D.
Director
2,200$9.02$19,844843,359
(Direct)
View
2026-06-30
Sale
2026-07-02
4:15 pm
908 Devices Inc.MASSBrown Christopher D.
Director
20,000$8.84$176,800845,559
(Direct)
View
2026-06-26
Sale
2026-06-30
5:10 pm
908 Devices Inc.MASSKnopp Kevin J.
President and CEO
2,798$9.09$25,4341,274,048
(Indirect
Direct)
View
2026-06-23
Sale
2026-06-25
5:15 pm
908 Devices Inc.MASSBrown Christopher D.
Director
9,900$9.04$89,496865,559
(Direct)
View
2026-06-23
Sale
2026-06-25
5:15 pm
908 Devices Inc.MASSKnopp Kevin J.
President and CEO
60,345$9.1246$550,6241,276,846
(Indirect
Direct)
View
2026-06-22
Sale
2026-06-24
4:26 pm
908 Devices Inc.MASSAWM Investment Company Inc.
10% Owner
7,718$8.9956$69,4284,879,773
(Indirect)
View
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

Stock options: Exercise, Award, Grant, Conversion
Transaction
Date
Reported
DateTime
Exercisable
Expiration
CompanySymnbolInsider
Relationship
Shares
Traded
Conversion
Price
Shares
Owned
Filing
2026-09-15
Exercise
2026-09-17
5:27 pm
N/A
N/A
908 Devices Inc.MASSKenneweg John
SVP, Sales & Product Marketing
27,656$0.9689,697
(Direct)
View
2026-09-15
Exercise
2026-09-17
5:27 pm
N/A
2026-12-02
908 Devices Inc.MASSKenneweg John
SVP, Sales & Product Marketing
27,656$089,697
(Direct)
View
2026-08-01
Exercise
2026-08-03
4:15 pm
N/A
N/A
908 Devices Inc.MASSVann Brandi C
Director
5,192$015,577
(Direct)
View
2026-06-25
Exercise
2026-06-25
4:15 pm
N/A
N/A
908 Devices Inc.MASSLeonhart Michele M.
Director
6,486$033,539
(Direct)
View
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
2026-06-10
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
4:51 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
4:49 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
4:49 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
4:48 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
4:48 pm
N/A
N/A
908 Devices Inc.MASSHunt Anthony
Director
19,865$064,033
(Direct)
View
2026-06-10
Exercise
2026-06-12
4:47 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
4:47 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
4:46 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
4:46 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
4:45 pm
N/A
N/A
908 Devices Inc.MASSSpoto Mark
Director
14,083$0112,810
(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
2026-05-01
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
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