# Galera Therapeutics Inc. (GRTX)

Source: https://www.quantisnow.com/company/GRTX
Generated: 2026-11-05T08:03:02.954Z

- Ticker: GRTX
- Exchange: NASDAQ
- Sector: Health Care
- Industry: Biotechnology: Pharmaceutical Preparations
- IPO year: 2019
- SEC CIK: 0001563577
- Website: galeratx.com

## About

Galera Therapeutics, Inc., a clinical stage biopharmaceutical company, focuses on the development and commercialization of therapeutics for the transformation of radiotherapy in cancer. The company's lead product candidate is avasopasem manganese (GC4419), a small molecule superoxide dismutase mimetic, which is in Phase III clinical trial for the treatment of radiation-induced severe oral mucositis in patients with head and neck cancer (HNC); and in Phase IIa clinical trial for the treatment of radiotherapy-induced esophagitis in patients with lung cancer; in phase IIa clinical trial for patients with HNC undergoing standard-of-care radiotherapy; and has completed pilot placebo-controlled Phase I/II clinical trial in combination with stereotactic body radiation therapy (SBRT) for patients with locally advanced pancreatic cancer, as well as in Phase II clinical trial for hospitalized patients with COVID-19 disease. It is also involved in developing GC4711, a superoxide dismutase mimetic product candidate, which is in Phase I/II clinical trial in combination with SBRT in patients with non-small cell lung cancer. The company was incorporated in 2012 and is headquartered in Malvern, Pennsylvania.

## Latest GRTX news and filings

- 2026-08-10 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-galera-therapeutics-inc-6672437)
- 2026-08-05 21:16 UTC [SEC Form 4] [President and CEO Sorensen Mel returned 975 shares to the company, closing all direct ownership in the company (SEC Form 4) to satisfy withholding tax](https://www.quantisnow.com/insight/president-and-ceo-sorensen-mel-returned-975-shares-to-the-6666322)
- 2026-08-05 20:23 UTC [SEC Form 4] [SEC Form 4 filed by Director Lokay Kevin G (tax liability)](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-lokay-kevin-g-tax-6665708)
- 2026-08-05 20:23 UTC [SEC Form 4] [Director Chang Nancy T converted options into 661,309 shares and returned 47,434 shares to the company, closing all direct ownership in the company (SEC Form 4) (tax withholding)](https://www.quantisnow.com/insight/director-chang-nancy-t-converted-options-into-661309-shares-and-6665686)
- 2026-08-05 20:22 UTC [SEC Form 4] [Director Alleva Lawrence M returned 51 shares to the company, closing all direct ownership in the company (SEC Form 4) (for tax liability)](https://www.quantisnow.com/insight/director-alleva-lawrence-m-returned-51-shares-to-the-company-6665679)
- 2026-08-05 20:19 UTC [SEC Form 4] [SEC Form 4 filed by Chief Accounting Officer Sussman Joel F. (withholding obligation)](https://www.quantisnow.com/insight/sec-form-4-filed-by-chief-accounting-officer-sussman-joel-6665630)
- 2026-08-05 20:17 UTC [SEC Form 4] [Director Friedman Michael R. converted options into 2,989,399 shares and returned 41,631 shares to the company (SEC Form 4) (tax withholding)](https://www.quantisnow.com/insight/director-friedman-michael-r-converted-options-into-2989399-shares-and-6665583)
- 2026-08-04 20:10 UTC [SEC Form 15-12G filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-15-12g-filed-by-galera-therapeutics-inc-6662192)
- 2026-08-04 20:08 UTC [SEC Form POS AM filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-pos-am-filed-by-galera-therapeutics-inc-6662151)
- 2026-08-04 20:07 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-galera-therapeutics-inc-6662114)
- 2026-08-04 20:07 UTC [SEC Form S-8 POS] [SEC Form S-8 POS filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-s-8-pos-filed-by-galera-therapeutics-inc-6662112)
- 2026-08-04 01:54 UTC [SEC Form 8-K] [Galera Therapeutics Inc. filed SEC Form 8-K: Completion of Acquisition or Disposition of Assets, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Material Modification to Rights of Security Holders, Leadership Update, Changes in Control of Registrant](https://www.quantisnow.com/insight/galera-therapeutics-inc-filed-sec-form-8-k-completion-of-acquisition-6660733)
- 2026-07-31 20:31 UTC [SEC Form 8-K] [Galera Therapeutics Inc. filed SEC Form 8-K: Regulation FD Disclosure](https://www.quantisnow.com/insight/galera-therapeutics-inc-filed-sec-form-8-k-regulation-fd-disclosure-6658034)
- 2026-07-13 20:02 UTC [SEC Form DEFA14C filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-defa14c-filed-by-galera-therapeutics-inc-6635305)
- 2026-07-13 20:01 UTC [SEC Form 8-K] [Galera Therapeutics Inc. filed SEC Form 8-K: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Material Modification to Rights of Security Holders](https://www.quantisnow.com/insight/galera-therapeutics-inc-filed-sec-form-8-k-amendments-to-articles-6635295)
- 2026-07-07 12:52 UTC [SEC Form DEFA14C filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-defa14c-filed-by-galera-therapeutics-inc-6629650)
- 2026-07-07 12:49 UTC [SEC Form 8-K] [SEC Form 8-K filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-galera-therapeutics-inc-6629645)
- 2026-07-02 20:38 UTC [SEC Form DEFM14C filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-defm14c-filed-by-galera-therapeutics-inc-6625982)
- 2026-06-02 20:31 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6584552)
- 2026-06-02 20:31 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6584549)
- 2026-05-29 20:56 UTC [SEC Form 4] [Large owner Emerald Bioventures, Llc converted options into 20,813,818 shares (SEC Form 4)](https://www.quantisnow.com/insight/large-owner-emerald-bioventures-llc-converted-options-into-20813818-shares-6579709)
- 2026-05-22 01:35 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6568703)
- 2026-05-21 21:21 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6568229)
- 2026-05-19 20:01 UTC [SEC Form 8-K] [SEC Form 8-K filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-galera-therapeutics-inc-6562378)
- 2026-05-15 10:30 UTC [SEC Form 8-K] [SEC Form 8-K filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-galera-therapeutics-inc-6555479)
- 2026-05-14 11:15 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-galera-therapeutics-inc-6552338)
- 2026-05-11 20:02 UTC [SEC Form 8-K] [SEC Form 8-K filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-galera-therapeutics-inc-6544672)
- 2026-05-04 21:58 UTC [SEC Form 3] [New insider Emerald Bioventures, Llc claimed ownership of 40,216,160 shares (SEC Form 3)](https://www.quantisnow.com/insight/new-insider-emerald-bioventures-llc-claimed-ownership-of-40216160-shares-6529948)
- 2026-04-22 13:23 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6509820)
- 2026-04-22 13:19 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6509817)
- 2026-04-20 20:58 UTC [SEC Form DEF 14A] [SEC Form DEF 14A filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-def-14a-filed-by-galera-therapeutics-inc-6506974)
- 2026-04-14 23:49 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6500278)
- 2026-04-14 21:18 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6499979)
- 2026-04-14 21:15 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6499959)
- 2026-04-14 21:13 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6499949)
- 2026-04-14 18:08 UTC [Galera Therapeutics and Obsidian Therapeutics Announce Merger Agreement and $350 Million Concurrent Private Placement](https://www.quantisnow.com/insight/galera-therapeutics-and-obsidian-therapeutics-announce-merger-agreement-and-350-6499296)
- 2026-04-14 13:23 UTC [SEC Form 425] [SEC Form 425 filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-425-filed-by-galera-therapeutics-inc-6499069)
- 2026-04-14 13:18 UTC [SEC Form 8-K] [Galera Therapeutics Inc. filed SEC Form 8-K: Entry into a Material Definitive Agreement, Regulation FD Disclosure](https://www.quantisnow.com/insight/galera-therapeutics-inc-filed-sec-form-8-k-entry-into-a-6499060)
- 2026-04-14 12:54 UTC [Obsidian Therapeutics and Galera Therapeutics Announce Merger Agreement and $350 Million Concurrent Private Placement](https://www.quantisnow.com/insight/obsidian-therapeutics-and-galera-therapeutics-announce-merger-agreement-and-350-6498974)
- 2026-04-10 20:01 UTC [SEC Form PRE 14A] [SEC Form PRE 14A filed by Galera Therapeutics Inc.](https://www.quantisnow.com/insight/sec-form-pre-14a-filed-by-galera-therapeutics-inc-6496103)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/GRTX
- Earnings history: https://www.quantisnow.com/earnings/GRTX
- Dividend history: https://www.quantisnow.com/dividends/GRTX
- Insider transactions: https://www.quantisnow.com/insiders/GRTX
- Options chain: https://www.quantisnow.com/options/GRTX
- SEC 8-K filings only: https://www.quantisnow.com/company/GRTX/8-k
- RSS and alerts for GRTX: https://www.quantisnow.com/docs/rss-feeds.md