Updated Jul 16, 2026
KURIYEL RALF is a corporate insider tracked by InsiderAlpha. No SEC Form 4 filings recorded in the last 90 days.

Ralf Kuriyel is associated with Repligen Corporation, a company that specializes in bioprocessing technology. Specific details about his role or contributions are not widely documented in public sources.
| Role | Insider |
|---|---|
| Notability | 10/100 |
| Date | Ticker | Company | Code | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-03-23 | RGEN | REPLIGEN CORP | A — Grant or award | 5.3K | $0.00 | |
| 2026-03-05 | RGEN | REPLIGEN CORP | F — Tax withholding / forfeiture | 42 | $125.84 | $5K |
| 2026-03-05 | RGEN | REPLIGEN CORP | A — Grant or award | 125 | $0.00 | |
| 2026-03-03 | RGEN | REPLIGEN CORP | F — Tax withholding / forfeiture | 923 | $124.97 | $115K |
| 2026-03-03 | RGEN | REPLIGEN CORP | F — Tax withholding / forfeiture | 444 | $128.73 | $57K |
Ralf Kuriyel is associated with Repligen Corporation, a company that specializes in bioprocessing technology. Specific details about his role or contributions are not widely documented in public sources.…
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.
Open the live KURIYEL RALF profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.