WaveMan · Form 4
Eisner Mark insider trades
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Eisner Mark insider trades

Eisner Mark has filed 26 Form 4s with the SEC that we hold, for Kyntra Bio, INC. (FGEN) (EVP, Chief Medical Officer), Vir Biotechnology, Inc. (VIR) (EVP and Chief Medical Officer), Zura Bio Ltd (ZURA) (Director) and Jade Biosciences, Inc. (JBIO) (Director). Across all of them we count 0 purchases worth $0 and 12 sales worth $720.7K reported on Form 4. In the last 12 months: 0 purchases ($0) and 3 sales ($49.5K). The largest single trade was a sale of 9,182 shares of Kyntra Bio, INC. worth $172.4K, dated 2023-04-04. The first filing on our record is dated 2021-10-06 and the latest 2026-06-26.

Kyntra Bio, INC. (FGEN)

EVP, Chief Medical Officer · 18 filings · 7 purchases and sales
Trade dateCodeSharesValue as filedFiled
2023-03-02S, sale reported on Form 41,187$26.0K2023-03-06
2023-03-08S, sale reported on Form 47,363$155.8K2023-03-10
2023-03-10S, sale reported on Form 46,255$126.4K2023-03-10
2023-03-10S, sale reported on Form 43,885$78.5K2023-03-10
2023-04-04S, sale reported on Form 49,182$172.4K2023-04-06
2023-06-02S, sale reported on Form 41,090$20.5K2023-06-05
2023-06-07S, sale reported on Form 42,042$34.8K2023-06-09

Vir Biotechnology, Inc. (VIR)

EVP and Chief Medical Officer · 5 filings · 5 purchases and sales
Trade dateCodeSharesValue as filedFiled
2025-07-15S, sale reported on Form 46,796$37.2K2025-07-17
2025-07-17S, sale reported on Form 43,586$19.6K2025-07-17
2026-02-23S, sale reported on Form 42,089$15.6K2026-02-24
2026-02-24S, sale reported on Form 41,616$15.4K2026-02-26
2026-02-25S, sale reported on Form 41,889$18.5K2026-02-26

Zura Bio Ltd (ZURA)

Director · 2 filings · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Jade Biosciences, Inc. (JBIO)

Director · 1 filing · 0 purchases and sales

No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.

Source

Counted from the Form 4 filings this reporting owner (SEC CIK 1834161) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-12 · For informational purposes only, not investment advice.
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