Piper Brian insider trades
Piper Brian has filed 3 Form 4s with the SEC that we hold, for Prelude Therapeutics Inc (PRLD) (Chief Financial Officer) and Sana Biotechnology, Inc. (SANA) (EVP, Chief Financial Officer). Across all of them we count 0 purchases worth $0 and 3 sales worth $277.8K reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 3,889 shares of Prelude Therapeutics Inc worth $129.2K, dated 2021-08-25. The first filing on our record is dated 2021-07-22 and the latest 2026-02-18.
Prelude Therapeutics Inc (PRLD)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-08-25 | S, sale reported on Form 4 | 2,344 | $80.5K | 2021-08-27 |
| 2021-08-25 | S, sale reported on Form 4 | 2,100 | $68.1K | 2021-08-27 |
| 2021-08-25 | S, sale reported on Form 4 | 3,889 | $129.2K | 2021-08-27 |
Sana Biotechnology, Inc. (SANA)
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 1665924) 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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