First Light Asset Management, LLC - Sep 30, 2025 SCHEDULE 13G Report for 908 Devices Inc. Common Stock, $0.01 par value (MASS)

Filing Manager
First Light Asset Management, LLC
Reporting Manager
First Light Asset Management, LLC
Security
908 Devices Inc. Common Stock, $0.01 par value
Symbol
MASS
Shares outstanding
36.2M shares
Disclosed Ownership
3.56M shares
Ownership
9.84%
Form type
SCHEDULE 13G
Date filed
11/14/2025, 04:37 PM
Date of event
Sep 30, 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 9.84% 3.56M 0 3.56M /s/ Kurt T. Peterson Kurt T. Peterson/Chief Compliance Officer
Mathew P. Arens 9.84% 3.56M 0 3.56M /s/ Mathew P. Arens Mathew P. Arens/Chief Executive Officer