5 insiders reported 6 Form 4 transactions for Galera Therapeutics, Inc. (GRTX) over the past 18 months (most recent 2026-05-29). Recent activity: Opler Timothy (Insider) Buy 20.8M shares, Emerald Bioventures, LLC (Insider) Buy 20.8M shares, CHANG NANCY T (Director) Buy 1.2M shares, FRIEDMAN MICHAEL R. (Director) Buy 5.3M shares, Sorensen Mel (President and CEO) Sell 70,000 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-05-29 | Opler Timothy | Insider | Buy | 20.8M | $0 |
| 2026-05-29 | Emerald Bioventures, LLC | Insider | Buy | 20.8M | $0 |
| 2026-04-09 | CHANG NANCY T | Director | Buy | 1.2M | $0 |
| 2026-04-09 | FRIEDMAN MICHAEL R. | Director | Buy | 5.3M | $0 |
| 2025-11-24 | Sorensen Mel | President and CEO | Sell | 70,000 | $1,400 |
| 2025-01-02 | CHANG NANCY T | Director | Buy | 7.6M | $535,145 |
Source: SEC Form 4 filings · as of 2026-05-29
