Eisner Mark
SEC insider (Form 3/4/5 filer). CIK 0001834161. Director at Jade Biosciences, Inc. (JBIO) and 2 other issuers. 10 reported Form 4/5 transactions since Sep 2024; latest on Jun 25, 2026. Located in HENDERSON, NV.
Companies Eisner Mark has filed insider reports for
- Jade Biosciences, Inc. (JBIO): Director
- Zura Bio Ltd (ZURA): Director
- Vir Biotechnology, Inc. (VIR): Officer, EVP and Chief Medical Officer
Eisner Mark
CIK: 0001834161
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 (10 total)
- Jun 25, 2026JBIO
Jade Biosciences, Inc.
AwardDirectStock Option (Right to Buy)
47.7K shares- - Jun 17, 2026ZURA
Zura Bio Ltd
AwardDirectShare Option (Right to Buy)
51K shares- - Feb 25, 2026VIR
Vir Biotechnology, Inc.
SaleDirect1.9K shares at avg. $9.82$19K - Feb 24, 2026VIR
Vir Biotechnology, Inc.
SaleDirect1.6K shares at avg. $9.53$15K - Feb 23, 2026VIR
Vir Biotechnology, Inc.
SaleDirect2.1K shares at avg. $7.45$16K - Feb 22, 2026VIR
Vir Biotechnology, Inc.
AwardDirect55K shares- - Feb 21, 2026ZURA
Zura Bio Ltd
AwardDirectShare Option (Right to Buy)
37.8K shares- - Jul 17, 2025VIR
Vir Biotechnology, Inc.
SaleDirect3.6K shares at avg. $5.47$20K - Jul 15, 2025VIR
Vir Biotechnology, Inc.
SaleDirect6.8K shares at avg. $5.47$37K - Feb 22, 2025VIR
Vir Biotechnology, Inc.
AwardDirect40K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Jun 25, 2026 |  JBIO Jade Biosciences, Inc. | Award Stock Option (Right to Buy) | 47,675 | - | - | Direct |
| Jun 17, 2026 |  ZURA Zura Bio Ltd | Award Share Option (Right to Buy) | 51,000 | - | - | Direct |
| Feb 25, 2026 |  VIR Vir Biotechnology, Inc. | Sale | 1,889 | $9.82 | $18,550 | Direct |
| Feb 24, 2026 | VIR Vir Biotechnology, Inc. | Sale | 1,616 | $9.53 | $15,405 | Direct |
| Feb 23, 2026 | VIR Vir Biotechnology, Inc. | Sale | 2,089 | $7.45 | $15,569 | Direct |
| Feb 22, 2026 | VIR Vir Biotechnology, Inc. | Award | 55,000 | - | $0 | Direct |
| Feb 21, 2026 | ZURA Zura Bio Ltd | Award Share Option (Right to Buy) | 37,812 | - | - | Direct |
| Jul 17, 2025 | VIR Vir Biotechnology, Inc. | Sale | 3,586 | $5.47 | $19,629 | Direct |
| Jul 15, 2025 | VIR Vir Biotechnology, Inc. | Sale | 6,796 | $5.47 | $37,162 | Direct |
| Feb 22, 2025 | VIR Vir Biotechnology, Inc. | Award | 40,000 | - | - | Direct |
1-10 of 10 transactions