secwatch.observer — SEC 8-K summary ====================================== Issuer: Sensei Biotherapeutics, Inc. (SNSE) CIK: 0001829802 Form: 8-K Filed at: 2026-02-18T23:59:59+00:00 Accession: 0001193125-26-056135 Event type: m_and_a Sentiment: neutral Materiality: 1.00 Item codes: 1.01, 5.03, 2.01, 3.02, 5.02, 7.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Sensei Biotherapeutics closes merger with Faeth and $200M PIPE; existing holders diluted to ~4.9% -------------------------------------------------------------------------------- - Issued ~10,602 Series B Preferred shares (each convertible into 1,000 common) to acquire Faeth; pre-PIPE: Faeth holders ~89.3%, Sensei ~10.7%. - Sold 14,440 Series B Preferred shares in $200M PIPE; post-PIPE: PIPE investors ~54.3%, Faeth ~40.8%, Sensei ~4.9%. - Anand Parikh (ex-Faeth CEO) appointed as COO and director; granted 1,239,305 option inducement award vesting over 4 years. - Certificate of Designation filed; conversion of Series B requires stockholder approval and beneficial ownership limits of 4.99%-19.99%. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1829802/000119312526056135/0001193125-26-056135-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1829802/000119312526056135/d112826d8k.htm HTML page: https://secwatch.observer/filing/0001193125-26-056135 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer