secwatch.observer — SEC 8-K summary ====================================== Issuer: Amphastar Pharmaceuticals, Inc. (AMPH) CIK: 0001297184 Form: 8-K Filed at: 2026-03-16T23:59:59+00:00 Accession: 0001104659-26-027814 Event type: other_material Sentiment: positive Materiality: 0.45 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 Amphastar Board authorizes $50M increase to share buyback program ----------------------------------------------------------------- - Board authorized $50M increase to buyback program on March 12, 2026. - Program has indefinite duration; primary goal is offsetting dilution from equity compensation. - Purchases may be via open market, block trades, Rule 10b5-1 plans, or private transactions. - Timing and number of shares depend on price, regulatory requirements, and other conditions. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1297184/000110465926027814/0001104659-26-027814-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1297184/000110465926027814/amph-20260312x8k.htm HTML page: https://secwatch.observer/filing/0001104659-26-027814 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer