Spencer Davidson - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 4, 2026
Spencer Davidson is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days. Lifetime open-market purchases: $1.96M. Lifetime open-market sales: $710K.
Profile
Spencer Davidson is a corporate insider at GENERAL AMERICAN INVESTORS CO INC (GAM). Davidson has reported 13 insider filings with the SEC since 2025. The most recent filing was in November 2025.
| Role | Insider |
|---|---|
| Notability | 20/100 |
Board memberships
- GENERAL AMERICAN INVESTORS CO INC
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.
| Total purchases tracked | 17 |
|---|
Trading Pattern
InsiderAlpha's records for Spencer Davidson go back to 2025: 13 primary Form 4 filings, an average of 6.5 per year. The typical open-market purchase is $115K (17 buys totaling $1.96M). The largest single buy on record is $540K of GAM in 2025. Sales side: 2 recorded sales totaling $710K, so the filing history runs buy-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 Spencer Davidson 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.
- Insider at GENERAL AMERICAN INVESTORS CO INC (GAM) - 11 filings, 2025
- Director at GENERAL AMERICAN INVESTORS CO INC (GAM) - 2 filings, 2025
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2025-11-25 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 1.2K | $24.98 | $30K |
| 2025-11-25 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 4.1K | $24.98 | $103K |
| 2025-11-19 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 1.5K | $24.98 | $37K |
| 2025-11-17 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 5.9K | $24.98 | $147K |
| 2025-11-13 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 3.4K | $24.98 | $86K |
| 2025-11-13 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 16.8K | $24.98 | $420K |
| 2025-11-10 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 21.6K | $25.00 | $540K |
| 2025-11-06 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 168 | $24.99 | $4K |
| 2025-11-06 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 179 | $24.98 | $4K |
| 2025-11-05 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 1.7K | $24.98 | $42K |
| 2025-11-05 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 52 | $24.95 | $1K |
| 2025-10-31 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 2.7K | $24.98 | $66K |
| 2025-10-30 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 7.4K | $24.98 | $185K |
| 2025-10-30 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 3.8K | $24.98 | $95K |
| 2025-10-24 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 3.8K | $24.98 | $95K |
| 2025-10-24 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 3.4K | $24.98 | $85K |
| 2025-10-21 | GAM | GENERAL AMERICAN INVESTORS CO INC | P - Open-market purchase | 789 | $24.97 | $20K |
| 2025-05-08 | GAM | GENERAL AMERICAN INVESTORS CO INC | S - Open-market sale | 17.4K | $24.82 | $432K |
| 2025-04-01 | GAM | GENERAL AMERICAN INVESTORS CO INC | S - Open-market sale | 11.2K | $24.83 | $278K |
Most Active Insiders Right Now
Spencer Davidson 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:
- City Cadiz S.L. Sport
- Timothy A. Springer
- Eric Sprott
- SR ONE CAPITAL MANAGEMENT, LLC
- Murray Stahl
- Robert W. Stallings
- STEEL PARTNERS HOLDINGS L.P.
- Eddie L. Steiner
Frequently Asked Questions
Who is Spencer Davidson?
Spencer Davidson is a corporate insider at GENERAL AMERICAN INVESTORS CO INC (GAM). Davidson has reported 13 insider filings with the SEC since 2025. The most recent filing was in November 2025.…
Has Spencer Davidson been buying or selling stock?
Recorded transactions: 17 open-market purchases ($1.96M) and 2 open-market sales ($710K) across all tracked filings.
How accurate is Spencer Davidson's historical track record?
Across 17 tracked purchases, Spencer Davidson averaged no 30-day data yet with a win rate pending. InsiderAlpha rates the track record at –/5 stars.
Where can I see all of Spencer Davidson'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 Spencer Davidson profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.