secwatch.observer — SEC 8-K summary ====================================== Issuer: Keros Therapeutics, Inc. (KROS) CIK: 0001664710 Form: 8-K Filed at: 2026-07-30T20:01:59+00:00 Accession: 0001664710-26-000043 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Keros to receive $20M milestone from Takeda; will distribute 25% to stockholders -------------------------------------------------------------------------------- - $20M milestone triggered by first patient dosed in Phase 3 ELRiSE MDS trial of elritercept vs epoetin alfa for anemia in low-risk MDS. - Keros to distribute 25% of net cash proceeds from milestone to stockholders after receipt. - Under existing Takeda license (Jan 2025), Keros already received $200M upfront; total milestones could exceed $1.1B plus tiered royalties. - Phase 3 ELRiSE MDS trial is open-label, randomized, multicenter; follows positive Phase 2 signals in MDS with/without ring sideroblasts. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1664710/000166471026000043/0001664710-26-000043-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1664710/000166471026000043/kros-20260730.htm HTML page: https://secwatch.observer/filing/0001664710-26-000043 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer