NMSIC Co-Investment Fund, L.P. - 31 Dec 2025 SCHEDULE 13G/A Report for Exagen Inc. Common Stock, par value $0.001 per share (XGN)

Filing Manager
NMSIC Co-Investment Fund, L.P.
Reporting Manager
NMSIC Co-Investment Fund, L.P.
Security
Exagen Inc. Common Stock, par value $0.001 per share
Symbol
XGN
Shares outstanding
22,664,868 shares
Disclosed Ownership
1,368,958 shares
Ownership
6%
Form type
SCHEDULE 13G/A
Filing time
11 Feb 2026, 16:15:22 UTC
Date of event
31 Dec 2025
Previous filing
17 Apr 2025
SEC
View on sec.gov

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
NMSIC Co-Investment Fund, L.P. 6% 1,368,958 1,368,958 0 /s/ Brian Birk Brian Birk, Managing Member of Sun Mountain Capital Partners, L.L.C., the general partner of NMSIC Co-Investment Fund, L.P.
Sun Mountain Capital Partners, L.L.C. 6% 1,368,958 1,368,958 0 /s/ Brian Birk Brian Birk, Managing Member