Geert R. Kersten - SEC Form 4 Insider Trading Activity
Summary
Updated Aug 3, 2026
Geert R. Kersten has filed 3 SEC Form 4 filings across 1 company in the last 90 days - buying. Lifetime open-market purchases: $929K. Historical track record: 1/5 stars across 3 tracked purchases.
Profile

Geert R. Kersten serves as Chief Executive Officer of CEL SCI CORP (CVM). Kersten has reported 12 insider filings with the SEC since 2024. The most recent filing was in July 2026.
| Role | Chief Executive Officer, Director |
|---|---|
| Notability | 40/100 |
Board memberships
- CEL SCI CORP
Reported roles
- Chief Executive Officer
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 | ★☆☆☆☆ (1/5) |
|---|---|
| Total purchases tracked | 3 |
| Purchases with forward-return data | 3 |
| 30-day win rate | 33% |
| 90-day win rate | 33% |
| Avg 5-day return | +4.03% |
| Avg 30-day return | -2.14% |
| Avg 90-day return | -26.27% |
| Best 30-day return | +28.78% |
Trading Pattern
InsiderAlpha's records for Geert R. Kersten go back to 2024: 12 primary Form 4 filings, an average of 4.0 per year. The typical open-market purchase is $186K (5 buys totaling $929K). The largest single buy on record is $360K of CVM 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 Geert R. Kersten 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.
- Chief Executive Officer, Director at CEL SCI CORP (CVM) - 12 filings, 2024 to 2026
Recent Transactions
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-07-01 | CVM | CEL SCI CORP | A - Grant or award | 5.2K | $1.04 | $5K |
| 2026-05-18 | CVM | CEL SCI CORP | P - Open-market purchase | 300.0K | $1.20 | $360K |
| 2026-05-14 | CVM | CEL SCI CORP | P - Open-market purchase | 100.0K | $1.19 | $119K |
| 2026-04-01 | CVM | CEL SCI CORP | A - Grant or award | 1.7K | $3.21 | $5K |
| 2026-01-26 | CVM | CEL SCI CORP | P - Open-market purchase | 38.0K | $5.26 | $200K |
| 2025-12-05 | CVM | CEL SCI CORP | P - Open-market purchase | 8.4K | $5.96 | $50K |
| 2025-09-30 | CVM | CEL SCI CORP | A - Grant or award | 570 | $9.20 | $5K |
| 2025-07-28 | CVM | CEL SCI CORP | P - Open-market purchase | 29.2K | $6.85 | $200K |
| 2025-06-30 | CVM | CEL SCI CORP | A - Grant or award | 2.3K | $2.29 | $5K |
| 2025-03-31 | CVM | CEL SCI CORP | A - Grant or award | 22.8K | $0.23 | $5K |
| 2024-10-01 | CVM | CEL SCI CORP | A - Grant or award | 4.9K | $1.06 | $5K |
Companies - Last 90 Days
- CEL SCI CORP (CVM) - 3 filings, last 2026-07-01
Most Active Insiders Right Now
Geert R. Kersten 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:
- General Atlantic (LFT), L.P.
- GENERAL ATLANTIC GENPAR (BERMUDA), L.P.
- GENERAL ATLANTIC GENPAR, L.P.
- GENERAL ATLANTIC, L.P.
- A/S Genmab
- Asher Genoot
- Gregory George
- Simeon George
Frequently Asked Questions
Who is Geert R. Kersten?
Geert R. Kersten serves as Chief Executive Officer of CEL SCI CORP (CVM). Kersten has reported 12 insider filings with the SEC since 2024. The most recent filing was in July 2026.…
How many SEC Form 4 filings has Geert R. Kersten submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Geert R. Kersten been buying or selling stock?
Recorded transactions: 5 open-market purchases ($929K) and 0 open-market sales across all tracked filings.
How accurate is Geert R. Kersten's historical track record?
Across 3 tracked purchases, Geert R. Kersten averaged -2.1% avg 30-day return with a 33% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Geert R. Kersten'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 Geert R. Kersten profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.