Figures computed from official regulatory filings — .
Analysttarget 0.5 USD (-97%) · consensus 3/5 · 0 buy · 1 hold · 0 sell
Ownershipinsiders 52.62% · institutions 7.71% · short 4.8% of float
In USD · as of Oct 5, 2026
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Galera Therapeutics, Inc., a biopharmaceutical company, focuses on the development of a portfolio of small molecule dismutase (SOD) mimetics to improve radiotherapy in cancer. The company's lead product is tilarginine that is in Phase 1/2 trial of a pan-inhibitor of nitric oxide synthase to treat patients with highly resistant forms of breast cancer, including metaplastic breast cancer (MpBC) and other refractory subsets of triple-negative breast cancer (TNBC). It develops avasopasem manganese, a small molecule dismutase mimetic for the treatment of radiotherapy induced severe oral mucositis in patients with head and neck cancer (HNC). The company was incorporated in 2012 and is based in Malvern, Pennsylvania.
Market information source · Oct 5, 2026
SEC company identity · Oct 5, 2026
Open-market timeline · full history
45 buys39 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| CHANG NANCY T | Other | n/a (No price was disclosed in the filing) | SEC |
| CHANG NANCY T | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Alleva Lawrence Mtrack record | Other | n/a (No price was disclosed in the filing) | SEC |
| Sussman Joel F. | OtherD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Alleva Lawrence Mtrack record | Other | n/a (No price was disclosed in the filing) | SEC |
| FRIEDMAN MICHAEL R. | Other | n/a (No price was disclosed in the filing) | SEC |
| FRIEDMAN MICHAEL R. | OtherD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| LOKAY KEVIN G | OtherD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| FRIEDMAN MICHAEL R. | Other | n/a (No price was disclosed in the filing) | SEC |
| Sorensen Mel | OtherD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| CHANG NANCY T | Other | n/a (No price was disclosed in the filing) | SEC |
| Alleva Lawrence Mtrack record | OtherD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| Sorensen Mel | Other | n/a (No price was disclosed in the filing) | SEC |
| CHANG NANCY T | OtherD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| FRIEDMAN MICHAEL R. | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Emerald Bioventures, LLC | Other | n/a (No price was disclosed in the filing) | SEC |
| Emerald Bioventures, LLC | OtherD (derivative) | n/a (No price was disclosed in the filing) | SEC |
| FRIEDMAN MICHAEL R. | Other | n/a (No price was disclosed in the filing) | SEC |
| FRIEDMAN MICHAEL R. | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| CHANG NANCY T | OtherD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| CHANG NANCY T | Other | n/a (No price was disclosed in the filing) | SEC |
| Sorensen Mel | Sell | $1.4K | SEC |
| Sussman Joel F. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Sorensen Mel | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| FRIEDMAN MICHAEL R. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |