{"schema_version":"secwatch.filing_event.v1","accession":"0001140361-24-033536","form_type":"8-K","ticker":"SIGA","cik":"0001010086","company_name":"SIGA TECHNOLOGIES INC","filed_at":"2024-07-19T23:59:59+00:00","discovered_at":"2026-05-14T18:03:11.866019+00:00","generated_at":"2026-05-31T18:54:08.636975+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"positive","materiality_score":0.75,"calibrated_materiality_score":0.75,"confidence":"high","headline":"SIGA receives $113M US government procurement order for oral TPOXX","bullets":["U.S. HHS exercised procurement option for ~$113M of oral TPOXX treatment courses under current contract.","Order builds on 2023 orders from U.S. government and 15 international customers for orthopoxvirus preparedness.","Project funded by BARDA and Strategic National Stockpile under contract 75A50118C00019.","CEO Diem Nguyen says order supports public health and shareholder returns."],"urls":{"canonical":"https://secwatch.observer/filing/0001140361-24-033536","json":"https://secwatch.observer/filing/0001140361-24-033536.json","markdown":"https://secwatch.observer/filing/0001140361-24-033536.md","text":"https://secwatch.observer/filing/0001140361-24-033536.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1010086/000114036124033536/0001140361-24-033536-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1010086/000114036124033536/ef20032678_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-31T18:54:08.636975+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"}