Konstantinov Konstantin has filed 6 insider transactions across 1 company since May 2024.
Most recent transaction: a grant/award of 995 shares of REPLIGEN CORP ($RGEN) on May 14, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| May 14, 2026 | REPLIGEN CORP | $RGEN | Konstantinov Konstantin | Not found | A | Common Stock | 995 | $0.00 | 3,889.0000 | 56,290,749 | 34.38% | 0.00% |
| May 14, 2026 | REPLIGEN CORP | $RGEN | Konstantinov Konstantin | Not found | A | Stock Option (Right to Buy) | 2239 | $0.00 | 2,239.0000 | 56,290,749 | 9999.99% | 0.00% |
| May 15, 2025 | REPLIGEN CORP | $RGEN | Konstantinov Konstantin | Not found | A | Common Stock | 973 | $0.00 | 2,894.0000 | 56,148,556 | 50.65% | 0.00% |
| May 15, 2025 | REPLIGEN CORP | $RGEN | Konstantinov Konstantin | Not found | A | Stock Option (Right to Buy) | 1800 | $0.00 | 1,800.0000 | 56,148,556 | 9999.99% | 0.00% |
| May 16, 2024 | REPLIGEN CORP | $RGEN | Konstantinov Konstantin | Not found | A | Common Stock | 701 | $0.00 | 1,921.0000 | 0 | 57.46% | 0.00% |
| May 16, 2024 | REPLIGEN CORP | $RGEN | Konstantinov Konstantin | Not found | A | Stock Option (Right to Buy) | 1376 | $0.00 | 1,376.0000 | 0 | 9999.99% | 0.00% |