secwatch.observer — SEC 8-K summary ====================================== Issuer: Dyne Therapeutics, Inc. (DYN) CIK: 0001818794 Form: 8-K Filed at: 2026-06-22T20:15:29+00:00 Accession: 0001818794-26-000005 Event type: leadership Sentiment: neutral Materiality: 0.40 Item codes: 5.02 LLM model: deepseek-v4-flash:cloud@v2 Barry E. Greene elected to Dyne Therapeutics board; receives option for 57,463 shares -------------------------------------------------------------------------------- - Elected as Class I director effective June 22, 2026, to serve until 2027 annual meeting. - Received option for 57,463 shares at $20.87 per share, vesting monthly over 3 years. - Will receive $45,000 annual cash retainer and standard equity grants per non-employee director program. - No committee appointments; board determined independent per Nasdaq rules. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1818794/000181879426000005/0001818794-26-000005-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1818794/000181879426000005/dyn-20260622.htm HTML page: https://secwatch.observer/filing/0001818794-26-000005 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer