EXAGEN (XGN) holder Jorey Chernett reports 2.41M shares, 9.9%

Rhea-AI Filing Summary

EXAGEN Inc. Schedule 13G/A states that Jorey Chernett beneficially owned 2,413,901 shares of Common Stock as of the close of business on May 19, 2026. The filing says this represents 9.9% of the class, using 24,159,839 shares outstanding as of May 6, 2026 from the issuer's Form 10-Q. The filing lists the Reporting Person's principal business address in Bloomfield Hills, Michigan, and shows sole voting and dispositive power over the reported shares.

Insights

Corporate Governance Analyst

Large passive/strategic holding disclosed at 9.9% of outstanding shares.

The filing records 2,413,901 shares held by the Reporting Person and cites an outstanding share base of 24,159,839 as of May 6, 2026. The position is reported with sole voting and dispositive power.

Future disclosures may show whether the holder will qualify as an activist or remain a passive investor; subsequent filings would clarify any change in intent or additional transactions.

Compliance & SEC Filings Specialist

Amendment updates beneficial ownership and cites the issuer's 10-Q for the share base.

The Schedule 13G/A ties the percent calculation to the issuer's Form 10-Q share count dated May 6, 2026, which is the disclosed basis for the 9.9% figure. The Reporting Person signs and certifies the amendment dated May 20, 2026.

Watch for any subsequent amendments or a switch to Schedule 13D if the holder's intent or influence changes; timing and intent are not stated here.

Key Figures

Beneficial ownership: 2,413,901 shares Percent of class: 9.9% Shares outstanding used: 24,159,839 shares +1 more

4 metrics

Beneficial ownership 2,413,901 shares As of close of business May 19, 2026

Percent of class 9.9% Calculated using 24,159,839 shares outstanding as of May 6, 2026

Shares outstanding used 24,159,839 shares Issuer's Form 10-Q disclosed as of May 6, 2026

Filing signature date 05/20/2026 Schedule 13G/A signature date

Key Terms

Schedule 13G/A, Beneficially owned, Dispositive power

3 terms

Schedule 13G/A regulatory

"Amendment No. 1) EXAGEN INC. ... SCHEDULE 13G/A"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficially owned regulatory

"As of the close of business on May 19, 2026, the Reporting Person beneficially owned 2,413,901 shares"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Dispositive power regulatory

"Sole Dispositive Power 2,413,901.00"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

EXAGEN INC.

(Name of Issuer)

Common Stock, $0.001 Par Value Per Share

(Title of Class of Securities)

30068X103

(CUSIP Number)

03/31/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 30068X103

1

Names of Reporting Persons

Chernett Jorey

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 2,413,901.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 2,413,901.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,413,901.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

9.9 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: EXAGEN INC.
(b)	Address of issuer's principal executive offices: 1261 LIBERTY WAY, VISTA, CA, 92081
Item 2.
(a)	Name of person filing: Jorey Chernett (the "Reporting Person")
(b)	Address or principal business office or, if none, residence: The principal business address of the Reporting Person is 6222 Indianwood Trail, Bloomfield Hills, MI 48301.
(c)	Citizenship: US
(d)	Title of class of securities: Common Stock, $0.001 Par Value Per Share
(e)	CUSIP No.: 30068X103
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: As of the close of business on May 19, 2026, the Reporting Person beneficially owned 2,413,901 shares of Common stock, par value $0.001 per share, of the Issuer (the "Shares").
(b)	Percent of class: The aggregate percentage of Shares owned by the Reporting Person is based upon 24,159,839 Shares outstanding as of May 6, 2026, as disclosed in the Issuer's Quarterly Report on Form 10-Q, filed with the U.S. Securities and Exchange Commission (the "SEC") on May 11, 2026. As of the close of business on May 19, 2026, the Reporting Person may be deemed to beneficially own 9.9% of the outstanding Shares. (c) Number of shares as to which the person has:
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See Cover Pages Items 5-9.
	(ii) Shared power to vote or to direct the vote: See Cover Pages Items 5-9.
	(iii) Sole power to dispose or to direct the disposition of: See Cover Pages Items 5-9.
	(iv) Shared power to dispose or to direct the disposition of: See Cover Pages Items 5-9.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Chernett Jorey

Signature:	/s/ Jorey Chernett
Name/Title:	Jorey Chernett
Date:	05/20/2026

FAQ

What stake does Jorey Chernett report in EXAGEN (XGN)?

The filing reports 2,413,901 shares, which the amendment states equals 9.9% of the outstanding shares based on 24,159,839 shares outstanding as of May 6, 2026.

As of what date is the reported EXAGEN ownership measured?

The Reporting Person's beneficial ownership is stated as of the close of business on May 19, 2026, with the outstanding share count referenced from May 6, 2026.

Does the filing show voting or dispositive power for the reported EXAGEN shares?

Yes. The amendment indicates the Reporting Person has sole voting and sole dispositive power over the reported 2,413,901 shares of Common Stock.

Where is the Reporting Person located per the filing?

The filing lists the Reporting Person's principal business address as 6222 Indianwood Trail, Bloomfield Hills, MI 48301 and the issuer's principal executive office as 1261 Liberty Way, Vista, CA 92081.

What form and amendment does this filing represent for EXAGEN?

This document is an Amendment No. 1 to a Schedule 13G/A reporting beneficial ownership of EXAGEN Common Stock by Jorey Chernett, signed on May 20, 2026.