John Aballi - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
John Aballi is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $68K. Lifetime open-market sales: $474K.
Profile
John Aballi serves as President and CEO of EXAGEN INC. (XGN). Aballi has reported 5 insider filings with the SEC since 2024. The most recent filing was in March 2026.
| Role | President and CEO, Director |
|---|---|
| Notability | 40/100 |
Board memberships
- EXAGEN INC.
Reported roles
- President and CEO
Awards & honors
- Leadership in Exagen Inc.
- Development of Avise testing products
Trading Pattern
InsiderAlpha's records for John Aballi go back to 2024: 5 primary Form 4 filings, an average of 1.7 per year. The typical open-market purchase is $68K (1 buy totaling $68K). The largest single buy on record is $68K of XGN in 2024. Sales side: 3 recorded sales totaling $474K, so the filing history runs sell-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Career & Filing History
Every role John Aballi has reported on a Form 4, reconstructed from the filings themselves - reporting insiders must state their relationship to the issuer (officer title, director seat, or 10% ownership) on every filing.
- President and CEO, Director at EXAGEN INC. (XGN) - 5 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-16 | XGN | EXAGEN INC. | A - Grant or award | 150.0K | $0.00 | |
| 2026-03-04 | XGN | EXAGEN INC. | A - Grant or award | 2.5K | $3.08 | $8K |
| 2026-03-04 | XGN | EXAGEN INC. | S - Open-market sale | 15.7K | $3.62 | $57K |
| 2026-02-26 | XGN | EXAGEN INC. | S - Open-market sale | 11.4K | $3.61 | $41K |
| 2025-10-20 | XGN | EXAGEN INC. | S - Open-market sale | 31.8K | $11.82 | $376K |
| 2024-11-18 | XGN | EXAGEN INC. | P - Open-market purchase | 24.3K | $2.81 | $68K |
Most Active Insiders Right Now
John Aballi has no recent co-filers at the same companies, so here are the insiders with the largest open-market activity across the market in the last 90 days.
- MetLife Investment Management, LLC - $1600000.00B of FINS open-market activity in the last 90 days
- Magnetar Financial LLC - $16357.48B of CRWV open-market activity in the last 90 days
- Marianne Okland - $18.46B of STNG open-market activity in the last 90 days
- VisionWave Holdings, Inc. - $14.13B of SVRE open-market activity in the last 90 days
- Vanessa Allen Sutherland - $7.44B of PSX open-market activity in the last 90 days
- AI Alpine (Luxembourg) S.a.r.l. - $2.69B of INIO open-market activity in the last 90 days
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
- Marc Johnson
- James Jones
- Andrew T. Kaplan
- A. J. Kazimi
- Michael John Kazley
- Kennedy Lewis Investment Holdings II LLC
- KENNEDY LEWIS MANAGEMENT LP
- James M. Kilts
Frequently Asked Questions
Who is John Aballi?
John Aballi serves as President and CEO of EXAGEN INC. (XGN). Aballi has reported 5 insider filings with the SEC since 2024. The most recent filing was in March 2026.…
Has John Aballi been buying or selling stock?
Recorded transactions: 1 open-market purchase ($68K) and 3 open-market sales ($474K) across all tracked filings.
Where can I see all of John Aballi's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
Learn More
Open the live John Aballi profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.