secwatch.observer — SEC 8-K summary ====================================== Issuer: Electra Therapeutics, Inc. (ETRA) CIK: 0002088082 Form: 8-K Filed at: 2026-09-21T20:01:09+00:00 Accession: 0001193125-26-396646 Event type: other_material Sentiment: positive Materiality: 0.90 Item codes: 5.03, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Electra Therapeutics closes $350M IPO at $15.00/share ----------------------------------------------------- - Closed IPO of 23,333,334 shares at $15.00/share; gross proceeds ~$350.0M. - IPO closed Sept 21, 2026; shares trade on Nasdaq Global Select Market under ETRA. - Amended and restated certificate of incorporation and bylaws effective upon IPO closing. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/2088082/000119312526396646/0001193125-26-396646-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/2088082/000119312526396646/d185250d8k.htm HTML page: https://secwatch.observer/filing/0001193125-26-396646 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer