{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-24-018159","form_type":"8-K","ticker":null,"cik":"0001708493","company_name":"Harpoon Therapeutics, Inc.","filed_at":"2024-01-29T23:59:59+00:00","discovered_at":"2026-05-14T18:03:25.194211+00:00","generated_at":"2026-06-06T15:59:22.426037+00:00","sec_items":["5.03","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.1,"calibrated_materiality_score":0.1,"confidence":"high","headline":"Harpoon Therapeutics amends Series A Preferred Stock certificate to reflect 1-for-10 reverse split","bullets":["Filed Certificate of Amendment on January 26, 2024, adjusting Series A Preferred Stock for the 1-for-10 reverse stock split effective September 1, 2023.","Amendment is administrative; no change to preferred stock rights, preferences, or limitations.","Reverse stock split was previously completed; this filing updates the preferred stock certificate accordingly."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-24-018159","json":"https://secwatch.observer/filing/0001193125-24-018159.json","markdown":"https://secwatch.observer/filing/0001193125-24-018159.md","text":"https://secwatch.observer/filing/0001193125-24-018159.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1708493/000119312524018159/0001193125-24-018159-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1708493/000119312524018159/d687029d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-06T15:59:22.426037+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":[{"claim_id":"354271926fff916da87dda2259b067bfc479da11","claim":"Harpoon Therapeutics, Inc.: Filed Certificate of Amendment to Certificate of Designation of Series A Preferred Stock to reflect a one-for-ten reverse stock split of common stock effected September 1, 2023 (effective 2024-01-26).","evidence_excerpt":"On January 26, 2024, Harpoon Therapeutics, Inc. (the “Company”) filed a Certificate of Amendment to its Certificate of Designation of Preferences, Rights and Limitations of 8.000% Series A Redeemable Preferred Stock (the “Certificate of Amendment”) with the Secretary of State of the State of Delaware to reflect the one-for-ten reverse stock split of the Company’s common stock effected by the Company on September 1, 2023.","evidence_source":"SEC 8-K Item 5.03/5.05/5.06","evidence_url":"https://www.sec.gov/Archives/edgar/data/1708493/000119312524018159/0001193125-24-018159-index.htm","confidence":0.9,"family_label":"Governance Changes","details":[{"label":"Change","value":"charter amendment"},{"label":"Effective","value":"2024-01-26"}],"fact_type":"governance_change"}],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}