Insiders / Douglass Brian Robb
Douglass Brian Robb
CIK 2104618personinsider
Companies
1
First seen
Jan 12, 2026
Last activity
Mar 3, 2026
Companies
| Company | Shares held | Latest |
|---|---|---|
| Repligen Corp · RGEN | 8,319 | — |
All securities held
2 positions · latest reported per filing
| Company | Security | Shares |
|---|---|---|
| Repligen Corp | Common Stock | 8,319 |
| Repligen Corp | Stock Option (Right to Buy)Derivative | 2,143 |
Activity
InsidersInstitutions
This person's insider trades (Form 4), across every company.| Date | Action | Company | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|
| Mar 2, 2026 | Other | RGEN Repligen Corp Common Stock | $27.6K | -221 -2.59% | 8,319 0.01% of shares | low |
| Dec 31, 2025 | Grant | RGEN Repligen Corp Common Stock | $0 | +2K +36.60% | 8,540 0.02% of shares | low |
| Dec 31, 2025 | Grant | RGEN Repligen Corp Stock Option (Right to Buy) | — | +2K | 2,143 <0.01% of shares | low |