Weissman James B insider trades
Weissman James B has filed 4 Form 4s with the SEC that we hold, for DRNA (Chief Operating Officer & EVP) and TBIO (Director). Across all of them we count 0 purchases worth $0 and 1 sale worth $1.2M 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 30,000 shares of DRNA worth $1.2M, dated 2021-07-06. The first filing on our record is dated 2021-07-08 and the latest 2024-07-26.
DRNA
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-07-06 | S, sale reported on Form 4 | 30,000 | $1.2M | 2021-07-08 |
TBIO
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 1598480) 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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