John Aballi - 12 Mar 2026 Form 4 Insider Report for EXAGEN INC. (XGN)

Reporting relationship: President and CEO, Director
Issuer ticker: XGN
Reported as of: 12 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 16 Mar 2026, 19:16:37 UTC
Prior SEC filing: 04 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Jeffrey G. Black, as attorney-in-fact

Key filing fact

John Aballi filed Form 4 for EXAGEN INC. (XGN) on 16 Mar 2026.

Key facts

This page summarizes John Aballi's Form 4 filing for EXAGEN INC. (XGN).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 16 Mar 2026, 19:16.

Change

Previous filing in this sequence was filed on 04 Mar 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001843113 Primary reporting owner

ABALLI JOHN

Relationship: President and CEO, Director
Address: C/O EXAGEN INC., 1261 LIBERTY WAY, VISTA
Signature: /s/ Jeffrey G. Black, as attorney-in-fact
Signature date: 16 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

XGN transaction

Common Stock

Award

Transaction value
Shares: +150,000
Change %: +22%
Price: $0.000000^*
Shares after: 839,834
Date: 12 Mar 2026
Ownership: Direct
Footnotes: F1

XGN holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 40,401
Date: 12 Mar 2026
Ownership: by Spouse

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

XGN transaction Derivative

Stock Option(right to buy)

Award

Transaction value
Shares: +100,000
Change %: +133%
Price: $3.16^*
Shares after: 175,000
Date: 12 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 100,000
Exercise price: $3.16
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

The securities awarded are in the form of restricted stock units under the issuer's 2019 Incentive Award Plan. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. The restricted stock unit will vest with respect to 25% of the restricted stock units on each of the first, second, third and fourth anniversaries of February 21, 2026, subject to the Reporting Person's continued service through the applicable vesting date. In addition, the award may become fully vested upon a qualifying termination of employment in connection with a change in control.

Footnote F2

The option is exercisable as it vests. 25% of the shares subject to the option vest on February 21, 2027, and 1/48th of the total number of shares subject to the option vest at the end of each calendar month thereafter, subject to the Reporting Person's continued service to the Issuer through each such vesting date. In addition, the stock option may become fully vested upon a qualifying termination of employment in connection with a change in control.