First Light Asset Management, LLC - 31 Dec 2025 SCHEDULE 13G/A Report for 908 Devices Inc. Common Stock, $0.001 par value (MASS)

Filing Manager
First Light Asset Management, LLC
Reporting Manager
Mathew P. Arens
Security
908 Devices Inc. Common Stock, $0.001 par value
Symbol
MASS
Shares outstanding
36,189,228 shares
Disclosed Ownership
6,184,739 shares
Ownership
17%
Form type
SCHEDULE 13G/A
Filing time
17 Feb 2026, 16:35:46 UTC
Date of event
31 Dec 2025
Previous filing
05 Dec 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
First Light Asset Management, LLC 16% 5,964,739 0 5,964,739 /s/ Kurt T. Peterson Kurt T. Peterson/Chief Compliance Officer
Mathew P. Arens 17% 6,184,739 70,000 6,114,739 /s/ Mathew P. Arens Mathew P. Arens/Chief Executive Officer