Eugene S. Stark - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Eugene S. Stark is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $279K. Historical track record: 4/5 stars across 10 tracked purchases.
Profile
Eugene S. Stark holds the role of VP Administration/CCO/PFO at GENERAL AMERICAN INVESTORS CO INC (GAM). Stark's filing history also covers PROSPECT CAPITAL CORP (PSEC). Stark has reported 8 insider filings with the SEC since 2024. The most recent filing was in April 2026.
| Role | VP Administration/CCO/PFO |
|---|---|
| Notability | 28/100 |
Board memberships
- GENERAL AMERICAN INVESTORS CO INC
- PROSPECT CAPITAL CORP
Reported roles
- VP Administration/CCO/PFO
- Director
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realised performance after each tracked open-market purchase.
| InsiderAlpha rating | ★★★★☆ (4/5) |
|---|---|
| Total purchases tracked | 10 |
| Purchases with forward-return data | 10 |
| 30-day win rate | 90% |
| 90-day win rate | 70% |
| Avg 5-day return | +0.88% |
| Avg 30-day return | +6.27% |
| Avg 90-day return | +4.78% |
| Best 30-day return | +14.46% |
Trading Pattern
InsiderAlpha's records for Eugene S. Stark go back to 2024: 7 primary Form 4 filings, an average of 2.3 per year. The typical open-market purchase is $28K (10 buys totaling $279K). The largest single buy on record is $124K of GAM in 2026. 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 Eugene S. Stark 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.
- VP Administration/CCO/PFO at GENERAL AMERICAN INVESTORS CO INC (GAM) - 6 filings, 2024 to 2026
- Director at PROSPECT CAPITAL CORP (PSEC) - 1 filing, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-04-08 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 5.0K | $24.85 | $124K |
| 2026-04-08 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 1.2K | $24.92 | $29K |
| 2026-03-30 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 638 | $24.95 | $16K |
| 2026-03-30 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 200 | $24.92 | $5K |
| 2026-03-23 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 11 | $24.95 | $274 |
| 2026-03-16 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 3.0K | $24.95 | $75K |
| 2025-09-17 | PSEC | PROSPECT CAPITAL CORP | P - Open-market purchase | 2.5K | $2.79 | $7K |
| 2025-07-30 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 177 | $56.92 | $10K |
| 2025-07-30 | GAM | GENERAL AMERICAN INVESTORS CO INC | J - Other acquisition / disposition | 48 | $50.98 | $2K |
| 2024-12-31 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 250 | $25.00 | $6K |
| 2024-12-31 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 250 | $25.00 | $6K |
Most Active Insiders Right Now
Eugene S. Stark 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:
- Fairmount Funds Management LLC
- Scott Farquhar
- Tilman J. Fertitta
- James E. Flynn
- Framework Ventures IV L.P.
- Angeliki Frangou
- Spencer Frazier
- Paul J. Fribourg
Frequently Asked Questions
Who is Eugene S. Stark?
Eugene S. Stark holds the role of VP Administration/CCO/PFO at GENERAL AMERICAN INVESTORS CO INC (GAM). Stark's filing history also covers PROSPECT CAPITAL CORP (PSEC). Stark has reported 8 insider filings with the SEC since 2024. The most recent filing was in April 2026.…
Has Eugene S. Stark been buying or selling stock?
Recorded transactions: 10 open-market purchases ($279K) and 0 open-market sales across all tracked filings.
How accurate is Eugene S. Stark's historical track record?
Across 10 tracked purchases, Eugene S. Stark averaged +6.3% avg 30-day return with a 90% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
Where can I see all of Eugene S. Stark'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 Eugene S. Stark profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.