{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-255269","form_type":"8-K","ticker":"DYN","cik":"0001818794","company_name":"Dyne Therapeutics, Inc.","filed_at":"2024-11-12T23:59:59+00:00","discovered_at":"2026-05-14T18:03:09.810337+00:00","generated_at":"2026-05-30T02:08:47.326922+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Dyne upsizes ATM offering from $200M to $300M; $101.2M already sold","bullets":["Filed prospectus supplement to sell up to $300M common stock via ATM with Jefferies, up from $200M.","As of Nov 12, 2024, aggregate gross proceeds of ~$101.2M already sold under prior $200M program.","New supplement replaces prior prospectus; no further sales will be made under the old one.","Shares registered under existing shelf registration statement; legal opinion included as exhibit."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-255269","json":"https://secwatch.observer/filing/0001193125-24-255269.json","markdown":"https://secwatch.observer/filing/0001193125-24-255269.md","text":"https://secwatch.observer/filing/0001193125-24-255269.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1818794/000119312524255269/0001193125-24-255269-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1818794/000119312524255269/d867502d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-30T02:08:47.326922+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}