Updated Jul 16, 2026 · Last SEC filing 2026-05-29
Galera Therapeutics, Inc. (GRTX) has filed 1 SEC Form 4 insider transactions in the last 90 days, with the most recent on 2026-05-29. 5 Form 8-K material event filings were reported by GRTX in the last 90 days. InsiderAlpha tracks every GRTX SEC filing — Form 4, Form 144, and 8-K — in real time, including Rule 10b5-1 plan detection.
| SEC CIK | 0001563577 |
|---|
| Form 4 filings (90d) | 1 |
|---|---|
| Form 8-K filings (90d) | 5 |
| Latest Form 4 filing | 2026-05-29 |
| Date | Insider | Role | Transaction | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| Emerald Bioventures, LLC | 10% Owner | J — Other acquisition / disposition | 20.81M | — | — | SEC | |
| FRIEDMAN MICHAEL R. | Insider | J — Other acquisition / disposition | 5.34M | — | — | SEC | |
| CHANG NANCY T | Insider | J — Other acquisition / disposition | 1.18M | — | — | SEC |
All transactions sourced from SEC EDGAR Form 4 filings for Galera Therapeutics, Inc. (GRTX). Updated in real time as new filings are submitted to the SEC.
| Insider | Form 4 filings | Total transaction value |
|---|---|---|
| Emerald Bioventures, LLC | 2 | — |
SEC Form 4 transactions are reported with a one-letter code indicating the type of transaction. Common codes you'll see in GRTX insider filings:
| P | Open-market purchase by the insider |
|---|---|
| S | Open-market sale by the insider |
| A | Grant, award, or other acquisition from the issuer |
| M | Exercise or conversion of derivative security (e.g. options) |
| F | Payment of exercise price or tax liability via share withholding |
| G | Bona-fide gift of securities |
| D | Disposition to the issuer (e.g. share buyback participation) |
| J | Other acquisition or disposition |
| X | Exercise of in-the-money or at-the-money derivative security |
| C | Conversion of derivative security |
| V | Transaction voluntarily reported earlier than required |
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