Insiders / Yancopoulos George
Yancopoulos George
CIK 1226690personinsider
Companies
1
First seen
Jan 5, 2026
Last activity
Jan 5, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. · REGN | 310,460 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | Common Stock | 310,460 |
| Regeneron Pharmaceuticals, Inc. | 2020 Performance Stock UnitsDerivative | 595,077 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Dec 31, 2025 | Other | REGN Regeneron Pharmaceuticals, Inc. Common Stock | $22.06M | -29K -8.43% | 310,460 0.30% of shares | low |
| Dec 31, 2025 | Exercise | REGN Regeneron Pharmaceuticals, Inc. Common Stock | $0 | +29K +9.20% | 339,030 0.33% of shares | low |
| Dec 31, 2025 | Exercise | REGN Regeneron Pharmaceuticals, Inc. 2020 Performance Stock Units | — | -29K -4.58% | 595,077 0.58% of shares | low |