🕵️ Galera Therapeutics, Inc. ($GRTX)
SEC insider & ownership activity, last 12 months · CIK 1563577 · every row links its SEC filing
Over the last 12 months insiders sold $1K with no open-market buying against it. Sorensen Mel sold $1K in discretionary trades (Nov). Emerald Bioventures, LLC added 26.5% → 30.2%; Timothy Opler added 26.5% → 30.2%. No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 1 seller, $1K (1 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Sorensen Mel | 0 | – | 1 | $1K | Nov 20, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Emerald Bioventures, LLC | 30.2% | 13D | May 15, 2026 | filing ↗ | |
| Timothy Opler | 30.2% | 13D | May 15, 2026 | filing ↗ | |
| Ikarian Capital, LLC | 10.0% | 13G | Feb 14, 2025 | filing ↗ | |
| Neil Shahrestani | 10.0% | 13G | Feb 14, 2025 | filing ↗ | |
| Parvinder Singh Hyare | 6.7% | 13D | May 15, 2026 | filing ↗ | |
| Nancy T. Chang | 5.9% | 13D | Dec 30, 2024 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| Sorensen Mel | $1K | Nov 20, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material Modifications to Rights of Security Holders (3.03) | Jul 12, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Jul 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 12, 2026 | filing ↗ |
| Other events (8.01) | Jul 7, 2026 | filing ↗ |
| Other events (8.01) | May 15, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | May 11, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 11, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 8, 2026 | filing ↗ |
| Material agreement (1.01) | Apr 14, 2026 | filing ↗ |
| Unregistered equity sale (3.02) | Apr 14, 2026 | filing ↗ |
| Change of control (5.01) | Apr 14, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Apr 14, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Apr 14, 2026 | filing ↗ |
| Other events (8.01) | Apr 7, 2026 | filing ↗ |
| Other events (8.01) | Apr 3, 2026 | filing ↗ |
| Charter/bylaw changes (5.03) | Feb 12, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 12, 2026 | filing ↗ |
| Officer/director changes (5.02) | Feb 6, 2026 | filing ↗ |
| Material agreement (1.01) | Oct 21, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 21, 2025 | filing ↗ |
| Material agreement (1.01) | Oct 21, 2025 | filing ↗ |
| Material agreement (1.01) | Aug 27, 2025 | filing ↗ |