Mark Eisner

CIK 1834161 · EVP and Chief Medical Officer · last filed 2026-02-26

Mark Eisner is an EVP and Chief Medical Officer who has filed 25 SEC Form 4 insider transactions across 3 companies since 2020. The most recent filing shows the insider sold $34.0K of VIR on Feb 26, 2026. Across all open-market trades the lifetime net is −$720.6K, making them a net seller over the disclosed history. Current disclosed insider exposure totals $1.3M across reported positions.

"Disclosed insider exposure" sums this person's most-recently-reported share counts across each company they're an insider in, multiplied by the current underlying price. It is not net worth — it misses retail holdings, private investments, real estate, index funds, and any company where the person isn't an SEC-reporting insider. For informational purposes only.

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Disclosed Exposure

$1.34M

Companies

3

Total Filings

25

Lifetime Open-Market Net

-$720.6K

Holdings By Company

Latest on-record share count from this person's most recent non-derivative Form 4 transaction in each company. Disclosed exposure = shares × current underlying price.
Symbol Role Shares Price Disclosed Exposure Lifetime OM Net Filings Latest Filed
VIR EVP and Chief Medical Officer 155,913 $8.61 $1.34M -$106.3K 5 2026-02-26
ZURA Director $3.70 $0 1 2026-02-24
KYNTRA BIO, INC. (FGEN) Delisted EVP, Chief Medical Officer 159,917 $9.75 $1.56M -$614.3K 19 2023-09-08

Recent Filings

25 filings
Form 4 transactions across all companies, newest first.
Filed Symbol Action Net Shares Net $ Link
2026-02-26 VIR Sell (S) −3,505 -$34.0K EDGAR
2026-02-24 VIR Mixed +52,911 -$15.6K EDGAR
2026-02-24 ZURA Grant (A) $0 EDGAR
2025-07-17 VIR Sell (S) −10,382 -$56.8K EDGAR
2025-02-25 VIR Grant (A) +40,000 $0 EDGAR
2024-07-16 VIR Grant (A) +75,000 $0 EDGAR
2023-09-08 KYNTRA BIO, INC. (FGEN) Delisted Tax (F) −1,860 -$1.8K EDGAR
2023-09-06 KYNTRA BIO, INC. (FGEN) Delisted Tax (F) −1,085 -$1.2K EDGAR
2023-06-09 KYNTRA BIO, INC. (FGEN) Delisted Sell (S) −2,042 -$34.8K EDGAR
2023-06-05 KYNTRA BIO, INC. (FGEN) Delisted Sell (S) −1,090 -$20.5K EDGAR
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Codes: P = open-market purchase · S = open-market sale · A = grant/award · M = option exercise · F = tax withholding at vest · G = bona-fide gift · D = disposition to issuer · J = other (see filing footnote). Only P / S codes carry directional signal.