O'Byrne Jason insider trades
O'Byrne Jason has filed 11 Form 4s with the SEC that we hold, for Vir Biotechnology, Inc. (VIR) (EVP & Chief Financial Officer), Caribou Biosciences, Inc. (CRBU) (Chief Financial Officer) and Olema Pharmaceuticals, Inc. (OLMA) (CHIEF FINANCIAL OFFICER). Across all of them we count 0 purchases worth $0 and 3 sales worth $68.9K reported on Form 4. In the last 12 months: 0 purchases ($0) and 3 sales ($68.9K). The largest single trade was a sale of 6,799 shares of Vir Biotechnology, Inc. worth $37.8K, dated 2025-11-17. The first filing on our record is dated 2021-12-21 and the latest 2026-09-02.
Vir Biotechnology, Inc. (VIR)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2025-11-17 | S, sale reported on Form 4 | 6,799 | $37.8K | 2025-11-18 |
| 2026-02-23 | S, sale reported on Form 4 | 2,089 | $15.6K | 2026-02-24 |
| 2026-02-24 | S, sale reported on Form 4 | 1,634 | $15.6K | 2026-02-26 |
Caribou Biosciences, Inc. (CRBU)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Olema Pharmaceuticals, Inc. (OLMA)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1871145) 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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