SEC Insider Transactions from Eisner Mark.

Last updated: 2026-03-14 11:52 UTC | Total transactions: 25

Mark Eisner, EVP and Chief Medical Officer of Vir Biotechnology ($VIR), sold shares on the open market five times over the past year, totaling over $106,000. His most recent sale occurred on February 25, 2026. These transactions rank 9,476th among over 11,700 insiders in our database by sale value, well below the average of $8.6 million across 6.4 transactions per insider. Eisner made no open market purchases during this period.

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Transaction Date Company Ticker Insider Name Title Transaction Type Security Shares Price Shares Owned Following Total Shares Outstanding % of Owned % of Outstanding
Feb. 25, 2026 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer S Common Stock 1889 $9.82 154,024.0000 139,125,032 1.21% 0.00%
Feb. 24, 2026 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer S Common Stock 1616 $9.53 155,913.0000 139,125,032 1.03% 0.00%
Feb. 23, 2026 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer S Common Stock 2089 $7.45 157,529.0000 139,125,032 1.31% 0.00%
Feb. 22, 2026 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer A Common Stock 55000 $0.00 159,618.0000 139,125,032 52.57% 0.04%
Feb. 21, 2026 Zura Bio Ltd $ZURA Eisner Mark Not found A Share Option (Right to Buy) 37812 $0.00 37,812.0000 94,564,632 9999.99% 0.04%
Feb. 22, 2026 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer A Stock Option (Right to Buy) 110000 $0.00 110,000.0000 139,125,032 9999.99% 0.08%
July 15, 2025 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer S Common Stock 6796 $5.47 108,204.0000 137,143,286 5.91% 0.00%
July 17, 2025 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer S Common Stock 3586 $5.47 104,618.0000 137,143,286 3.31% 0.00%
Feb. 22, 2025 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer A Common Stock 40000 $0.00 115,000.0000 137,143,286 53.33% 0.03%
Feb. 22, 2025 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer A Stock Option (Right to Buy) 80000 $0.00 80,000.0000 137,143,286 9999.99% 0.06%
July 15, 2024 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer A Common Stock 75000 $0.00 75,000.0000 0 9999.99% 0.00%
July 15, 2024 Vir Biotechnology, Inc. $VIR Eisner Mark EVP and Chief Medical Officer A Stock Option (Right to Buy) 150000 $0.00 150,000.0000 0 9999.99% 0.00%
Sept. 6, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark EVP, Chief Medical Officer F Common Stock 1860 $0.96 159,917.0000 0 1.15% 0.00%
Sept. 1, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark EVP, Chief Medical Officer F Common Stock 1085 $1.06 161,777.0000 0 0.67% 0.00%
June 7, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark EVP, Chief Medical Officer S Common Stock 2042 $17.04 162,862.0000 0 1.24% 0.00%
June 2, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark EVP, Chief Medical Officer S Common Stock 1090 $18.83 164,904.0000 0 0.66% 0.00%
April 4, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer S Common Stock 9182 $18.78 165,994.0000 0 5.24% 0.00%
March 8, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer A Common Stock 12451 $0.00 185,316.0000 0 7.20% 0.00%
March 10, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer S Common Stock 6255 $20.20 175,176.0000 0 3.45% 0.00%
March 8, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer A Common Stock 7732 $0.00 172,865.0000 0 4.68% 0.00%
March 8, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer S Common Stock 7363 $21.16 165,133.0000 0 4.27% 0.00%
March 10, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer S Common Stock 3885 $20.20 181,431.0000 0 2.10% 0.00%
March 2, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer S Common Stock 1187 $21.87 172,496.0000 0 0.68% 0.00%
Feb. 21, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer A Stock Option (Right to Buy) 55000 $0.00 55,000.0000 0 9999.99% 0.00%
Feb. 21, 2023 KYNTRA BIO, INC. $KYNB Eisner Mark Chief Medical Officer A Common Stock 32500 $0.00 173,683.0000 0 23.02% 0.00%