Brown Christopher D.
Director
Sale
Calculated transaction value
$328.5K
30,000 shares @ $10.95
Traded
Nov 4, 2026
Filed
Nov 6, 2026
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908 Devices Inc
MASS
ManufacturingInstruments
Transactions reported in official disclosures
Price with disclosed trades
Daily closes, past year · marks sit on transaction dates, sized by value
75 trades
| Reporting person | Filed | Transaction | Transaction value | Source | Actions |
|---|---|---|---|---|---|
| Brown Christopher D. Director | Nov 6, 2026 2-day lag | Sale Nov 4, 2026 | $328.5K Filed shares x price | SEC Form 4 View filing | |
| Brown Christopher D. Director | Oct 9, 2026 2-day lag | Exercise Oct 7, 2026 | $105K Filed shares x price | SEC Form 4 View filing | |
| Brown Christopher D. Director | Oct 9, 2026 2-day lag | Sale Oct 7, 2026 | $356.7K Filed shares x price | SEC Form 4 View filing | |
| Brown Christopher D. Director | Oct 9, 2026 2-day lag | Exercise Oct 7, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Griffith Joseph H. Iv Chief Financial Officer | Oct 8, 2026 2-day lag | Sale Oct 6, 2026 | $65.15K Filed shares x price | SEC Form 4 View filing | |
| Awm Investment Company, Inc. 10% owner | Oct 1, 2026 2-day lag | Sale Sep 29, 2026 | $207.32K Filed shares x price | SEC Form 4 View filing | |
| Awm Investment Company, Inc. 10% owner | Sep 25, 2026 1-day lag | Sale Sep 24, 2026 | $272.63K Filed shares x price | SEC Form 4 View filing | |
| Awm Investment Company, Inc. 10% owner | Sep 25, 2026 2-day lag | Sale Sep 23, 2026 | $11.25K Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 Same-day filing | Exercise Sep 17, 2026 | $5.05K Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 Same-day filing | Exercise Sep 17, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 Same-day filing | Sale Sep 17, 2026 | $53.73K Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 1-day lag | Exercise Sep 16, 2026 | $20.54K Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 1-day lag | Exercise Sep 16, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 1-day lag | Sale Sep 16, 2026 | $216.34K Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 2-day lag | Sale Sep 15, 2026 | $10K Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 2-day lag | Exercise Sep 15, 2026 | $960 Filed shares x price | SEC Form 4 View filing | |
| Kenneweg John SVP, Sales & Product Marketing | Sep 17, 2026 2-day lag | Exercise Sep 15, 2026 | $0 Filed shares x price | SEC Form 4 View filing | |
| Brown Christopher D. Director | Sep 4, 2026 2-day lag | Sale Sep 2, 2026 | $317.4K Filed shares x price | SEC Form 4 View filing | |
| Griffith Joseph H. Iv Chief Financial Officer | Aug 27, 2026 2-day lag | Sale Aug 25, 2026 | $125.48K Filed shares x price | SEC Form 4 View filing | |
| Awm Investment Company, Inc. 10% owner | Aug 24, 2026 3-day lag | Sale Aug 21, 2026 | $441.16K Filed shares x price | SEC Form 4 View filing | |
| Awm Investment Company, Inc. 10% owner | Aug 24, 2026 4-day lag | Sale Aug 20, 2026 | $88.64K Filed shares x price | SEC Form 4 View filing | |
| Knopp Kevin J. President And CEO | Aug 17, 2026 Same-day filing | Sale Aug 17, 2026 | $207K Filed shares x price | SEC Form 4 View filing | |
| Knopp Kevin J. President And CEO | Aug 17, 2026 4-day lag | Sale Aug 13, 2026 | $76.68K Filed shares x price | SEC Form 4 View filing | |
| Brown Christopher D. Director | Aug 12, 2026 1-day lag | Sale Aug 11, 2026 | $77.14K Filed shares x price | SEC Form 4 View filing | |
| Brown Christopher D. Director | Aug 12, 2026 2-day lag | Sale Aug 10, 2026 | $85.26K Filed shares x price | SEC Form 4 View filing | |
| Knopp Kevin J. President And CEO | Aug 12, 2026 Same-day filing | Sale Aug 12, 2026 | $27.66K Filed shares x price | SEC Form 4 View filing | |
| Knopp Kevin J. President And CEO | Aug 12, 2026 1-day lag | Sale Aug 11, 2026 | $306.53K Filed shares x price | SEC Form 4 View filing | |
| Knopp Kevin J. President And CEO | Aug 12, 2026 1-day lag | Sale Aug 11, 2026 | $1.14M Filed shares x price | SEC Form 4 View filing | |
| Knopp Kevin J. President And CEO | Aug 12, 2026 2-day lag | Sale Aug 10, 2026 | $3.15K Filed shares x price | SEC Form 4 View filing | |
| Brown Christopher D. Director | Aug 7, 2026 2-day lag | Sale Aug 5, 2026 | $169.8K Filed shares x price | SEC Form 4 View filing |
Brown Christopher D.
Director
Exercise
Calculated transaction value
$105K
60,000 shares @ $1.75
Traded
Oct 7, 2026
Filed
Oct 9, 2026
Brown Christopher D.
Director
Sale
Calculated transaction value
$356.7K
30,000 shares @ $11.89
Traded
Oct 7, 2026
Filed
Oct 9, 2026
Brown Christopher D.
Director
Exercise
Calculated transaction value
$0
60,000 shares @ $0
Traded
Oct 7, 2026
Filed
Oct 9, 2026
Griffith Joseph H. Iv
Chief Financial Officer
Sale
Calculated transaction value
$65.15K
5,000 shares @ $13.03
Traded
Oct 6, 2026
Filed
Oct 8, 2026
Awm Investment Company, Inc.
10% owner
Sale
Calculated transaction value
$207.32K
18,000 shares @ $11.52
Traded
Sep 29, 2026
Filed
Oct 1, 2026
Awm Investment Company, Inc.
10% owner
Sale
Calculated transaction value
$272.63K
24,000 shares @ $11.36
Traded
Sep 24, 2026
Filed
Sep 25, 2026
Awm Investment Company, Inc.
10% owner
Sale
Calculated transaction value
$11.25K
1,000 shares @ $11.25
Traded
Sep 23, 2026
Filed
Sep 25, 2026
Kenneweg John
SVP, Sales & Product Marketing
Exercise
Calculated transaction value
$5.05K
5,257 shares @ $0.96
Traded
Sep 17, 2026
Filed
Sep 17, 2026
Kenneweg John
SVP, Sales & Product Marketing
Exercise
Calculated transaction value
$0
5,257 shares @ $0
Traded
Sep 17, 2026
Filed
Sep 17, 2026
Kenneweg John
SVP, Sales & Product Marketing
Sale
Calculated transaction value
$53.73K
5,257 shares @ $10.22
Traded
Sep 17, 2026
Filed
Sep 17, 2026
Kenneweg John
SVP, Sales & Product Marketing
Exercise
Calculated transaction value
$20.54K
21,399 shares @ $0.96
Traded
Sep 16, 2026
Filed
Sep 17, 2026
Kenneweg John
SVP, Sales & Product Marketing
Exercise
Calculated transaction value
$0
21,399 shares @ $0
Traded
Sep 16, 2026
Filed
Sep 17, 2026
Kenneweg John
SVP, Sales & Product Marketing
Sale
Calculated transaction value
$216.34K
21,399 shares @ $10.11
Traded
Sep 16, 2026
Filed
Sep 17, 2026
Kenneweg John
SVP, Sales & Product Marketing
Sale
Calculated transaction value
$10K
1,000 shares @ $10
Traded
Sep 15, 2026
Filed
Sep 17, 2026
Kenneweg John
SVP, Sales & Product Marketing
Exercise
Calculated transaction value
$960
1,000 shares @ $0.96
Traded
Sep 15, 2026
Filed
Sep 17, 2026
Kenneweg John
SVP, Sales & Product Marketing
Exercise
Calculated transaction value
$0
1,000 shares @ $0
Traded
Sep 15, 2026
Filed
Sep 17, 2026
Brown Christopher D.
Director
Sale
Calculated transaction value
$317.4K
30,000 shares @ $10.58
Traded
Sep 2, 2026
Filed
Sep 4, 2026
Griffith Joseph H. Iv
Chief Financial Officer
Sale
Calculated transaction value
$125.48K
11,459 shares @ $10.95
Traded
Aug 25, 2026
Filed
Aug 27, 2026
Awm Investment Company, Inc.
10% owner
Sale
Calculated transaction value
$441.16K
41,578 shares @ $10.61
Traded
Aug 21, 2026
Filed
Aug 24, 2026
Awm Investment Company, Inc.
10% owner
Sale
Calculated transaction value
$88.64K
8,422 shares @ $10.52
Traded
Aug 20, 2026
Filed
Aug 24, 2026
Knopp Kevin J.
President And CEO
Sale
Calculated transaction value
$207K
20,000 shares @ $10.35
Traded
Aug 17, 2026
Filed
Aug 17, 2026
Knopp Kevin J.
President And CEO
Sale
Calculated transaction value
$76.68K
7,622 shares @ $10.06
Traded
Aug 13, 2026
Filed
Aug 17, 2026
Brown Christopher D.
Director
Sale
Calculated transaction value
$77.14K
8,358 shares @ $9.23
Traded
Aug 11, 2026
Filed
Aug 12, 2026
Brown Christopher D.
Director
Sale
Calculated transaction value
$85.26K
9,442 shares @ $9.03
Traded
Aug 10, 2026
Filed
Aug 12, 2026
Knopp Kevin J.
President And CEO
Sale
Calculated transaction value
$27.66K
2,747 shares @ $10.07
Traded
Aug 12, 2026
Filed
Aug 12, 2026
Knopp Kevin J.
President And CEO
Sale
Calculated transaction value
$306.53K
30,170 shares @ $10.16
Traded
Aug 11, 2026
Filed
Aug 12, 2026
Knopp Kevin J.
President And CEO
Sale
Calculated transaction value
$1.14M
115,748 shares @ $9.83
Traded
Aug 11, 2026
Filed
Aug 12, 2026
Knopp Kevin J.
President And CEO
Sale
Calculated transaction value
$3.15K
348 shares @ $9.06
Traded
Aug 10, 2026
Filed
Aug 12, 2026
Brown Christopher D.
Director
Sale
Calculated transaction value
$169.8K
20,000 shares @ $8.49
Traded
Aug 5, 2026
Filed
Aug 7, 2026