SEC ownership of EXAGEN INC.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001274737.

Holder evidence

50

Lead holder

Jorey Chernett

13D/G signal

Jorey Chernett

Latest evidence

22 May 2026

Issuer identity
CIK
0001274737
Location
Vista, CA
Ownership snapshot
Latest large-stake holder
Jorey Chernett
Latest evidence date
22 May 2026

Ownership snapshot

Top shareholders of EXAGEN INC. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
Jorey Chernett
13D/G signal
Jorey Chernett
Evidence rows
50
Latest as of
22 May 2026
13D/G 3/4/5 13F Lead comparable stake: 9.9% 13D/G row: Jorey Chernett Showing 1-8 of 50 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
Jorey Chernett
13D/G
Chernett Jorey
9.9%
$6,469,255
2,413,901 shares
+$3,169,001 31 Mar 2026
NMSIC Co-Investment Fund, L.P.
13D/G 3/4/5
10%+ Owner
6%
$8,323,265
1,368,958 shares
-$2,371,200 31 Dec 2025
Parian Ultreia LP
13D/G
5.3%
$3,462,560
1,292,000 shares
$0 22 May 2026
Cowen Financial Products LLC
13D/G
5%
$5,214,491
891,366 shares
$0 31 Mar 2025
RTW INVESTMENTS, LP
13D/G 13F
Company
4.9%
$6,984,509
1,148,768 shares
-$3,332,436 31 Dec 2025
Laurence W. Lytton
13D/G
LYTTON LAURENCE W
1%
$1,481,017
216,840 shares
$0 30 Jun 2025
BALYASNY ASSET MANAGEMENT L.P.
13F
Company
13F
3.3%
$2,389,896
796,632 shares
31 Mar 2026
WEXFORD CAPITAL LP
13F
Company
13F
3.3%
$2,378,565
792,855 shares
31 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$679,768.

Buys
$0
Insiders: 0
Sells
$679,768
Insiders: 2
Net
-$679,768
Shares: -80,965
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 80,965
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 15,698 $0 $56,827 -$56,827
3-6 0 13,014 $0 $46,981 -$46,981
6-9 0 52,253 $0 $575,961 -$575,961
9-12 0 0 $0 $0 $0

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-18 of 18 reporting-owner rows connected to EXAGEN INC.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
18
Lead holder
NMSIC Co-Investment Fund, L.P.
Net 12M change
-$679,767
Latest report
16 Mar 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
NMSIC Co-Investment Fund, L.P. 10%+ Owner $5,804,561 Filing P/S 25 Mar 2025
John Aballi President and CEO, Director $2,851,961 -$473,687 -14% Mixed 12 Mar 2026
James L. L. Tullis 10%+ Owner $2,692,960 Mixed 15 Jun 2023
Jeffrey G. Black Chief Financial Officer $1,150,207 -$206,080 -15% Mixed 12 Mar 2026
Kamal Adawi CFO and Corporate Secretary $465,536 Filing P/S 04 Mar 2024
Mark Hazeltine Chief Business Officer $331,927 Mixed 02 Mar 2023
Fortunato R. Rocca President and CEO, Director $210,595 Mixed 01 Mar 2022
Debra Zack Chief Medical Officer $147,040 Mixed 01 Mar 2022
Scott D. Kahn Director $53,700 Mixed 10 Jun 2025
Tina S. Nova Director $48,330 Mixed 10 Jun 2025
Ebetuel Pallares Director $32,220 Mixed 09 Jun 2023
Frank Stokes Director $32,220 Mixed 10 Jun 2025
Brian Birk Director $32,220 Mixed 09 Jun 2023
Wendy S. Johnson Director $32,220 Mixed 09 Jun 2023
Ana Hooker Director $32,220 Mixed 10 Jun 2025
Paul Kim Director $32,220 Mixed 10 Jun 2025
Bruce C. Robertson Director $32,220 Mixed 17 Jun 2021
Chas McKhann Power Director Mixed 16 Mar 2026

Recent insider transactions for EXAGEN INC.

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Reported value Reported price Shares Shares owned Date Ownership
Jeffrey G. Black XGN Common Stock Award 28% 75,000 342,442 12 Mar 2026 Direct
Jeffrey G. Black XGN Stock Option(right to buy) Award 500% 50,000 60,000 12 Mar 2026 Direct
John Aballi XGN Common Stock Award 21.7% 150,000 839,834 12 Mar 2026 Direct
John Aballi XGN Stock Option(right to buy) Award 133.3% 100,000 175,000 12 Mar 2026 Direct
John Aballi XGN Common Stock Award 0.37% 2,535 689,834 03 Mar 2026 Direct
John Aballi XGN Common Stock Sale -2.23% $56,827 $3.62 -15,698 687,299 03 Mar 2026 Direct
Jeffrey G. Black XGN Common Stock Award 0.44% 1,511 343,953 27 Feb 2026 Direct
John Aballi XGN Common Stock Sale -1.6% $41,262 $3.61 -11,430 702,997 24 Feb 2026 Direct
Jeffrey G. Black XGN Common Stock Sale -0.59% $5,718 $3.61 -1,584 267,442 24 Feb 2026 Direct
John Aballi XGN Common Stock Sale -4.26% $375,598 $11.82 -31,787 714,427 16 Oct 2025 Direct
Jeffrey G. Black XGN Common Stock Sale -7.07% $200,362 $9.79 -20,466 269,026 02 Sep 2025 Direct
Paul Kim XGN Stock Option(right to buy) Award 9,000 9,000 10 Jun 2025 Direct
Frank Stokes XGN Stock Option(right to buy) Award 9,000 9,000 10 Jun 2025 Direct
Scott D. Kahn XGN Stock Option(right to buy) Award 9,000 9,000 10 Jun 2025 Direct
Ana Hooker XGN Stock Option(right to buy) Award 9,000 9,000 10 Jun 2025 Direct
Tina Susan Nova XGN Stock Option(right to buy) Award 13,500 13,500 10 Jun 2025 Direct
* indicates a reported price that failed the local validity check.
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