Kropotova Alexandra
SEC insider (Form 3/4/5 filer). CIK 0001825323. Director at iBio, Inc. (IBIO) and 1 other issuer. 12 reported Form 4/5 transactions since Sep 2024; latest on Oct 14, 2026. Located in SAN DIEGO, CA.
Companies Kropotova Alexandra has filed insider reports for
- iBio, Inc. (IBIO): Director
- SAB Biotherapeutics, Inc. (SABS): Officer, CHIEF MEDICAL OFFICER
Kropotova Alexandra
CIK: 0001825323
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Discretionary Trading P&L
Holdings
Transaction History (12 total)
- Oct 14, 2026IBIO
iBio, Inc.
AwardDirectStock Option (right to buy)
38K shares- - Sep 17, 2026SABS
SAB Biotherapeutics, Inc.
Tax PaymentDirect473 shares- - Jun 25, 2026SABS
SAB Biotherapeutics, Inc.
Tax PaymentDirect988 shares- - Mar 24, 2026SABS
SAB Biotherapeutics, Inc.
Tax PaymentDirect988 shares- - Feb 3, 2026SABS
SAB Biotherapeutics, Inc.
AwardDirectStock option (right to buy)
2.4M shares- - Dec 11, 2025SABS
SAB Biotherapeutics, Inc.
Tax PaymentDirect988 shares- - Nov 20, 2025IBIO
iBio, Inc.
AwardDirectStock Option (right to buy)
13.5K shares- - Sep 19, 2025SABS
SAB Biotherapeutics, Inc.
Tax PaymentDirect2K shares- - Aug 26, 2025SABS
SAB Biotherapeutics, Inc.
AwardDirectStock Option (right to buy)
2.4M shares- - Mar 27, 2025SABS
SAB Biotherapeutics, Inc.
Tax PaymentDirect1.2K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 14, 2026 |  IBIO iBio, Inc. | Award Stock Option (right to buy) | 38,000 | - | - | Direct |
| Sep 17, 2026 |  SABS SAB Biotherapeutics, Inc. | Tax Payment | 473 | - | $0 | Direct |
| Jun 25, 2026 | SABS SAB Biotherapeutics, Inc. | Tax Payment | 988 | - | $0 | Direct |
| Mar 24, 2026 | SABS SAB Biotherapeutics, Inc. | Tax Payment | 988 | - | $0 | Direct |
| Feb 3, 2026 | SABS SAB Biotherapeutics, Inc. | Award Stock option (right to buy) | 2,400,000 | - | - | Direct |
| Dec 11, 2025 | SABS SAB Biotherapeutics, Inc. | Tax Payment | 988 | - | - | Direct |
| Nov 20, 2025 | IBIO iBio, Inc. | Award Stock Option (right to buy) | 13,500 | - | - | Direct |
| Sep 19, 2025 | SABS SAB Biotherapeutics, Inc. | Tax Payment | 1,977 | - | - | Direct |
| Aug 26, 2025 | SABS SAB Biotherapeutics, Inc. | Award Stock Option (right to buy) | 2,400,000 | - | - | Direct |
| Mar 27, 2025 | SABS SAB Biotherapeutics, Inc. | Tax Payment | 1,179 | - | - | Direct |
1-10 of 12 transactions