First Light Asset Management, LLC - 30 Nov 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
First Light Asset Management, LLC
Security
908 Devices Inc. Common Stock, $0.001 par value
Symbol
MASS
Shares outstanding
36.2M shares
Disclosed Ownership
4.68M shares
Ownership
12.9%
Form type
SCHEDULE 13G/A
Filing time
05 Dec 2025, 16:32:08 UTC
Date of event
30 Nov 2025
Previous filing
14 Nov 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 12.93% 4.68M 0 4.68M /s/ Kurt T. Peterson Kurt T. Peterson/Chief Compliance Officer
Mathew P. Arens 12.93% 4.68M 0 4.68M /s/ Mathew P. Arens Mathew P. Arens/Chief Executive Officer