NMSIC Co-Investment Fund, L.P. - Mar 25, 2025 Form 4 Insider Report for EXAGEN INC. (XGN)

Role: 10%+ Owner
Signature: NMSIC Co-Investment Fund, L.P., By: Sun Mountain Capital Partners LLC, its general partner, /s/ Brian Birk, Name: Brian Birk, Title: Managing Partner, /s/ Lee Rand, Name: Lee Rand, Title: Managing Member
Stock symbol: XGN
Transactions as of: Mar 25, 2025
Transactions value $: -$1,155,000
Form type: 4
Date filed: 3/27/2025, 04:15 PM
Previous filing: Nov 27, 2024
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	XGN	Common Stock	Sale	-$1.16M	-350K	-16.6%	$3.30	1.76M	Mar 25, 2025	See footnote	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The shares reported on this form are held of record by NMSIC Co-Investment Fund, L.P. ("NMSIC"). Sun Mountain Capital Partners LLC ("Sun Mountain") is the general partner of NMSIC. The controlling members of Sun Mountain are Brian Birk, Sally Coming and Lee Rand. As such, each of these entities and individuals may be deemed to share beneficial ownership of the shares held of record by NMSIC. Each of Sun Mountain, Mr. Birk, Ms. Coming and Mr. Rand disclaims beneficial ownership of the securities held of record by NMSIC.

Content

The shares reported on this form are held of record by NMSIC Co-Investment Fund, L.P. ("NMSIC"). Sun Mountain Capital Partners LLC ("Sun Mountain") is the general partner of NMSIC. The controlling members of Sun Mountain are Brian Birk, Sally Coming and Lee Rand. As such, each of these entities and individuals may be deemed to share beneficial ownership of the shares held of record by NMSIC. Each of Sun Mountain, Mr. Birk, Ms. Coming and Mr. Rand disclaims beneficial ownership of the securities held of record by NMSIC.