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Nasdaq · CIK 0001274737

XGN EXAGEN INC.

Insider trading from SEC Form 4. Last filing 41 d ago. Close $8.42 on Oct 9, 2026, +218% from the 52-week low and -30% from the high.

In brief

EXAGEN INC. (XGN) has 27 SEC Form 4 filings on file from 10 insiders, the latest filed on Sep 2, 2026. In the last 90 days insiders made 0 open-market buys worth $0 and 1 open-market sell worth $149k, net -$149k.

10 open-market trades have been scored at XGN. The newest: Jeffrey G. Black (Chief Financial Officer) sold $149k of stock on Sep 1, 2026, filed Sep 2, 2026, scored 33 (weak). The largest of the 10 shown: NMSIC Co-Investment Fund, L.P. (10% owner) sold $1.2M on Mar 25, 2025, scored 42 (moderate). 2 insiders sold within 14 days of each other around Mar 3, 2026.

Last 90 days

Net insider value
-$149k
more sold than bought
Buys
0
$0 by 0 insiders
Sells
1
$149k by 1 insider
Insiders on file
10
with a Form 4 at this company

Price and insider trades, last year

XGNOct 9, 2026 · close 8.42

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™

Signals

Open-market buys and sells at EXAGEN INC., scored.

ScoreInsiderValueHoldingsPrice contextFiled
33WeakJeffrey G. Black
Chief Financial Officer
sell
$149k
20,614 shares
-6%+169% from low-40% from high
40ModerateJohn Aballi
President and CEO
sell
$57k
15,698 shares
-2%+20% from low-71% from high
39WeakJohn Aballi
President and CEO
sell
$41k
11,430 shares
-2%+29% from low-69% from high
30WeakJeffrey G. Black
Chief Financial Officer
sell
$5,718
1,584 shares
-1%+29% from low-69% from high
41ModerateJohn Aballi
President and CEO
sell
$376k
31,787 shares
-4%+384% from low-1% from high
34WeakJeffrey G. Black
Chief Financial Officer
sell
$200k
20,466 shares
-7%+295% from low-5% from high
42ModerateNMSIC Co-Investment Fund, L.P.
owner
sell
$1.2M
350,000 shares
-17%+59% from low-36% from high
32WeakNMSIC Co-Investment Fund, L.P.
owner
sell
$660k
200,000 shares
-9%-
41ModerateJeffrey G. Black
Chief Financial Officer
buy
$66k
22,298 shares
+9%-
41ModerateJohn Aballi
President and CEO
buy
$68k
24,305 shares
+4%-

Transactions

Every row filed, 34 in all.

DateInsiderTransactionSharesPriceValueHoldings afterFiled
Sep 1, 2026Jeffrey G. Black
Chief Financial Officer
SOpen-market sale
Common Stock
-20,614$7.22$149k323,33941 d ago
Sep 1, 2026Jeffrey G. Black
Chief Financial Officer
AGrant or award
Common Stock
+1,571$3.02$4,740324,91041 d ago
Jun 9, 2026Bruce C Robertson
director
AGrant or award
Stock Option(right to buy)derivative
+37,500$0.00$037,500Aug 24, 2026
Jun 9, 2026Paul Kim
director
AGrant or award
Stock Option(right to buy)derivative
+37,500$0.00$046,500Aug 19, 2026
Jun 9, 2026Bruce C Robertson
director
AGrant or award
Stock Option(right to buy)derivative
+37,500$0.00$055,500Aug 19, 2026
Jun 9, 2026Chas McKhann
director
AGrant or award
Stock Option(right to buy)derivative
+37,500$0.00$045,000Jun 22, 2026
Jun 9, 2026Scott D Kahn
director
AGrant or award
Stock Option(right to buy)derivative
+37,500$0.00$046,500Jun 22, 2026
Jun 9, 2026Frank Stokes
director
AGrant or award
Stock Option(right to buy)derivative
+37,500$0.00$0112,500Jun 22, 2026
Mar 12, 2026John Aballi
President and CEO
AGrant or award
Common Stock
+150,000$0.00$0839,834Mar 16, 2026
Mar 12, 2026Jeffrey G. Black
Chief Financial Officer
AGrant or award
Common Stock
+75,000$3.16$237k342,442Mar 16, 2026
Feb 27, 2026Jeffrey G. Black
Chief Financial Officer
AGrant or award
Common Stock
+1,511$3.08$4,649343,953Mar 16, 2026
Mar 12, 2026John Aballi
President and CEO
AGrant or award
Stock Option(right to buy)derivative
+100,000$3.16$316k175,000Mar 16, 2026
Mar 12, 2026Jeffrey G. Black
Chief Financial Officer
AGrant or award
Stock Option(right to buy)derivative
+50,000$3.16$158k60,000Mar 16, 2026
Mar 3, 2026John Aballi
President and CEO
SOpen-market sale
Common Stock
-15,698$3.62$57k687,299Mar 4, 2026
Mar 3, 2026John Aballi
President and CEO
AGrant or award
Common Stock
+2,535$3.08$7,800689,834Mar 4, 2026
Feb 24, 2026John Aballi
President and CEO
SOpen-market sale
Common Stock
-11,430$3.61$41k702,997Feb 25, 2026
Feb 24, 2026Jeffrey G. Black
Chief Financial Officer
SOpen-market sale
Common Stock
-1,584$3.61$5,718267,442Feb 25, 2026
Oct 16, 2025John Aballi
President and CEO
SOpen-market sale
Common Stock
-31,787$11.82$376k714,427Oct 20, 2025
Sep 2, 2025Jeffrey G. Black
Chief Financial Officer
SOpen-market sale
Common Stock
-20,466$9.79$200k269,026Sep 4, 2025
Jun 10, 2025Tina Susan Nova
director
AGrant or award
Stock Option(right to buy)derivative
+13,500$0.00$013,500Jun 12, 2025
Jun 10, 2025Ana Hooker
director
AGrant or award
Stock Option(right to buy)derivative
+9,000$0.00$09,000Jun 12, 2025
Jun 10, 2025Scott D Kahn
director
AGrant or award
Stock Option(right to buy)derivative
+9,000$0.00$09,000Jun 12, 2025
Jun 10, 2025Paul Kim
director
AGrant or award
Stock Option(right to buy)derivative
+9,000$0.00$018,000Jun 12, 2025
Jun 10, 2025Frank Stokes
director
AGrant or award
Stock Option(right to buy)derivative
+9,000$0.00$09,000Jun 12, 2025
Jun 10, 2025Paul Kim
director
AGrant or award
Stock Option(right to buy)derivative
+9,000$0.00$09,000Jun 12, 2025
Mar 25, 2025NMSIC Co-Investment Fund, L.P.
owner
SOpen-market sale
Common Stockindirect: See footnote
-350,000$3.30$1.2M1,758,958Mar 27, 2025
Feb 28, 2025John Aballi
President and CEO
AGrant or award
Common Stock
+8,621$2.47$21k746,214Mar 4, 2025
Feb 21, 2025John Aballi
President and CEO
AGrant or award
Common Stock
+112,500$0.00$0737,593Feb 25, 2025
Feb 21, 2025Jeffrey G. Black
Chief Financial Officer
AGrant or award
Common Stock
+15,000$0.00$0289,492Feb 25, 2025
Feb 21, 2025Jeffrey G. Black
Chief Financial Officer
AGrant or award
Stock Option(right to buy)derivative
+10,000$3.58$36k10,000Feb 25, 2025
Feb 21, 2025John Aballi
President and CEO
AGrant or award
Stock Option(right to buy)derivative
+75,000$3.58$269k75,000Feb 25, 2025
Nov 20, 2024NMSIC Co-Investment Fund, L.P.
owner
SOpen-market sale
Common Stockindirect: See footnote
-200,000$3.30$660k2,108,958Nov 27, 2024
Nov 15, 2024Jeffrey G. Black
Chief Financial Officer
POpen-market purchase
Common Stock
+22,298$2.98$66k274,492Nov 19, 2024
Nov 14, 2024John Aballi
President and CEO
POpen-market purchase
Common Stock
+24,305$2.81$68k689,799Nov 18, 2024

Insiders

Everyone who has filed a Form 4 here.

Questions about XGN

Answered from the filings on this page, as of the latest one.

Are insiders buying XGN?

As of Sep 2, 2026, SEC Form 4 filings show 0 open-market buys worth $0 by 0 insiders and 1 open-market sell worth $149k by 1 insider at EXAGEN INC. in the last 90 days, net -$149k. Only purchases (code P) and sales (code S) count; grants, option exercises and tax withholding do not.

Who was the last insider to trade XGN on the open market?

Jeffrey G. Black (Chief Financial Officer) sold $149k of XGN on Sep 1, 2026 and filed the Form 4 on Sep 2, 2026. InsiderTell scored 33 (weak).

How many insiders file Form 4 at EXAGEN INC.?

10 people have filed a Form 4 at EXAGEN INC., among them John Aballi (President and CEO), Jeffrey G. Black (Chief Financial Officer), Ana Hooker (director). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

XGN insider trading: EXAGEN INC. | InsiderTell