Kropotova Alexandra has filed 10 insider transactions across 2 companies since February 2024.
Most recent transaction: a tax payment of 988 shares of SAB Biotherapeutics, Inc. ($SABS) on March 24, 2026.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| March 24, 2026 | SAB Biotherapeutics, Inc. | $SABS | Kropotova Alexandra | CHIEF MEDICAL OFFICER | F | Common Stock | 988 | $0.00 | 43,296.0000 | 77,863,263 | 2.23% | 0.00% |
| Feb. 3, 2026 | SAB Biotherapeutics, Inc. | $SABS | Kropotova Alexandra | CHIEF MEDICAL OFFICER | A | Stock option (right to buy) | 2400000 | $0.00 | 2,400,000.0000 | 77,863,263 | 9999.99% | 3.08% |
| Dec. 11, 2025 | SAB Biotherapeutics, Inc. | $SABS | Kropotova Alexandra | CHIEF MEDICAL OFFICER | F | Common Stock | 988 | $0.00 | 44,284.0000 | 77,863,263 | 2.18% | 0.00% |
| Nov. 20, 2025 | iBio, Inc. | $IBIO | Kropotova Alexandra | Director | A | Stock Option (right to buy) | 13500 | $0.00 | 13,500.0000 | 52,981,000 | 9999.99% | 0.03% |
| Sept. 19, 2025 | SAB Biotherapeutics, Inc. | $SABS | Kropotova Alexandra | CHIEF MEDICAL OFFICER | F | Common Stock | 1977 | $0.00 | 45,272.0000 | 9,261,918 | 4.18% | 0.02% |
| Aug. 26, 2025 | SAB Biotherapeutics, Inc. | $SABS | Kropotova Alexandra | CHIEF MEDICAL OFFICER | A | Stock Option (right to buy) | 2400000 | $0.00 | 2,400,000.0000 | 9,261,918 | 9999.99% | 25.91% |
| March 27, 2025 | SAB Biotherapeutics, Inc. | $SABS | Kropotova Alexandra | CHIEF MEDICAL OFFICER | F | Common Stock | 1179 | $0.00 | 47,249.0000 | 9,261,918 | 2.43% | 0.01% |
| Dec. 18, 2024 | SAB Biotherapeutics, Inc. | $SABS | Kropotova Alexandra | CHIEF MEDICAL OFFICER | F | Common Stock | 9072 | $0.00 | 48,428.0000 | 9,259,192 | 15.78% | 0.10% |
| Nov. 21, 2024 | iBio, Inc. | $IBIO | Kropotova Alexandra | Director | A | Stock Option (right to buy) | 18900 | $0.00 | 18,900.0000 | 8,633,000 | 9999.99% | 0.22% |
| Feb. 21, 2024 | SAB Biotherapeutics, Inc. | $SABS | Kropotova Alexandra | CHIEF MEDICAL OFFICER | A | Employee Stock Option (right to buy) | 140000 | $0.00 | 140,000.0000 | 5,521,487 | 9999.99% | 2.54% |