secwatch.observer — SEC 8-K summary ====================================== Issuer: Shuttle Pharmaceuticals Holdings, Inc. (SHPH) CIK: 0001757499 Form: 8-K Filed at: 2026-09-01T20:05:38+00:00 Accession: 0001493152-26-041011 Event type: other_material Sentiment: neutral Materiality: 0.50 Item codes: 1.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Shuttle Pharma amends merger milestone: Mining Rigs threshold cut from 2,000 to 500 -------------------------------------------------------------------------------- - First Amendment to Merger Agreement with United Dogecoin reduces Milestone Event Mining Rigs requirement from 2,000 to 500. - Company seeks parallel amendments to April 30, 2026 Securities Purchase Agreement and Second Amendment to Asset Purchase Agreement. - No other terms of Merger Agreement changed; max pre-funded warrants issuable unchanged. - Amendment effective August 31, 2026; signed by Co-CEO Chris Cooper and United Dogecoin CEO Ryan Trasolini. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1757499/000149315226041011/0001493152-26-041011-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1757499/000149315226041011/form8-k.htm HTML page: https://secwatch.observer/filing/0001493152-26-041011 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer