Quick Takeaways
- XGN - EXAGEN INC. has 18 insiders with reported activity on this page.
- Net insider value flow over the last year: -$679,768.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 18 Insiders of EXAGEN INC.
- Symbol
- XGN on Nasdaq
- Location
- Vista, CA
What Changed
- Buy value: ; sell value: $679,767.
- Net share flow: -80,965.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$679,768.
Buys
$0
Shares: 0
Insiders: 0
Sells
$679,768
Shares: 80,965
Insiders: 2
Net
-$679,768
Shares: -80,965
Insiders: -2
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 28,712 | $0 | $103,807 | -$103,807 |
| 3-6 | 0 | 31,787 | $0 | $375,598 | -$375,598 |
| 6-9 | 0 | 20,466 | $0 | $200,362 | -$200,362 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
EXAGEN INC. executives and other stock owners filed with the SEC include:
| 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 | Director | Mixed | 16 Mar 2026 |
Top shareholders of EXAGEN INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| NMSIC Co-Investment Fund, L.P. |
13D/G
3/4/5
|
10%+ Owner |
6%
|
1,368,958
|
$8,323,265 | -$2,371,200 | 31 Dec 2025 | |
| Jorey Chernett |
13D/G
|
Chernett Jorey |
5.4%
|
1,231,438
|
$7,487,143 | $0 | 30 Jan 2026 | |
| RTW INVESTMENTS, LP |
13D/G
13F
|
Company |
4.9%
|
1,148,768
|
$6,984,509 | -$3,332,436 | 31 Dec 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
3.9%
|
919,187
|
$5,588,657 | — | 31 Dec 2025 | |
| Cowen Financial Products LLC |
13D/G
|
— |
5%
|
891,366
|
$5,214,491 | $0 | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
3.4%
|
790,011
|
$4,803,267 | — | 31 Dec 2025 | |
| SILVERCREST ASSET MANAGEMENT GROUP LLC |
13F
|
Company |
2.6%
|
597,920
|
$3,635,354 | — | 31 Dec 2025 | |
| KENNEDY CAPITAL MANAGEMENT LLC |
13F
|
Company |
2%
|
480,029
|
$2,918,576 | — | 31 Dec 2025 | |
| John Aballi |
3/4/5
|
President and CEO, Director |
—
mixed-class rows
|
1,055,235
mixed-class rows
|
$2,851,961 | -$473,687 | 12 Mar 2026 | |
| WEXFORD CAPITAL LP |
13F
|
Company |
2%
|
466,778
|
$2,838,010 | — | 31 Dec 2025 | |
| James L. L. Tullis |
3/4/5
|
10%+ Owner |
—
class O/S missing
|
1,543,155
|
$2,692,960 | — | 15 Jun 2023 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
1.8%
|
414,448
|
$2,517,000 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
1.6%
|
368,250
|
$2,238,960 | — | 31 Dec 2025 | |
| Mink Brook Asset Management LLC |
13F
|
Company |
1.5%
|
353,727
|
$2,150,660 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
1.3%
|
303,313
|
$1,844,143 | — | 31 Dec 2025 | |
| FourWorld Capital Management LLC |
13F
|
Company |
1.2%
|
273,000
|
$1,659,840 | — | 31 Dec 2025 | |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P |
13F
|
Company |
1.1%
|
250,000
|
$1,520,000 | — | 31 Dec 2025 | |
| Laurence W. Lytton |
13D/G
|
LYTTON LAURENCE W |
1%
|
216,840
|
$1,481,017 | $0 | 30 Jun 2025 | |
| MARSHALL WACE, LLP |
13F
|
Company |
1%
|
243,424
|
$1,480,018 | — | 31 Dec 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.96%
|
224,609
|
$1,365,623 | — | 31 Dec 2025 | |
| Point72 Asset Management, L.P. |
13F
|
Company |
0.88%
|
205,200
|
$1,247,616 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.83%
|
194,036
|
$1,179,738 | — | 31 Dec 2025 | |
| AMERIPRISE FINANCIAL INC |
13F
|
Company |
0.82%
|
192,419
|
$1,169,907 | — | 31 Dec 2025 | |
| Jeffrey G. Black |
3/4/5
|
Chief Financial Officer |
—
mixed-class rows
|
403,953
mixed-class rows
|
$1,150,207 | -$206,080 | 12 Mar 2026 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.8%
|
188,458
|
$1,145,824 | — | 31 Dec 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
0.8%
|
187,922
|
$1,142,565 | — | 31 Dec 2025 | |
| Manatuck Hill Partners, LLC |
13F
|
Company |
0.75%
|
175,000
|
$1,064,000 | — | 31 Dec 2025 | |
| Qube Research & Technologies Ltd |
13F
|
Company |
0.74%
|
174,240
|
$1,059,379 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.74%
|
172,672
|
$1,050,525 | — | 31 Dec 2025 | |
| Massar Capital Management, LP |
13F
|
Company |
0.73%
|
170,000
|
$1,033,600 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.69%
|
161,000
|
$978,880 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.59%
|
138,000
|
$839,040 | — | 31 Dec 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
0.57%
|
133,242
|
$810,111 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.55%
|
129,613
|
$788,047 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
0.5%
|
118,005
|
$717,470 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0.48%
|
112,989
|
$686,974 | — | 31 Dec 2025 | |
| 683 Capital Management, LLC |
13F
|
Company |
0.46%
|
107,571
|
$654,032 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.42%
|
97,438
|
$592,423 | — | 31 Dec 2025 | |
| XTX Topco Ltd |
13F
|
Company |
0.41%
|
96,994
|
$589,724 | — | 31 Dec 2025 | |
| Jump Financial, LLC |
13F
|
Company |
0.41%
|
95,835
|
$582,677 | — | 31 Dec 2025 | |
| OMERS ADMINISTRATION Corp |
13F
|
Company |
0.38%
|
90,000
|
$547,200 | — | 31 Dec 2025 | |
| Squarepoint Ops LLC |
13F
|
Company |
0.38%
|
88,032
|
$535,235 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.35%
|
81,624
|
$496,274 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.33%
|
77,200
|
$469,376 | — | 31 Dec 2025 | |
| Kamal Adawi |
3/4/5
|
CFO and Corporate Secretary |
—
class O/S missing
|
243,749
|
$465,536 | — | 04 Mar 2024 | |
| STATE STREET CORP |
13F
|
Company |
0.3%
|
71,256
|
$433,236 | — | 31 Dec 2025 | |
| HRT FINANCIAL LP |
13F
|
Company |
0.3%
|
69,725
|
$423,000 | — | 31 Dec 2025 | |
| Engineers Gate Manager LP |
13F
|
Company |
0.27%
|
62,964
|
$382,821 | — | 31 Dec 2025 | |
| Huntleigh Advisors, Inc. |
13F
|
Company |
0.24%
|
57,188
|
$347,708 | — | 31 Dec 2025 | |
| T3 Companies, LLC |
13F
|
Company |
0.24%
|
57,000
|
$346,560 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for EXAGEN INC.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * 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 |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.