secwatch.observer — SEC 8-K summary ====================================== Issuer: Silence Therapeutics plc (SLN) CIK: 0001479615 Form: 8-K Filed at: 2026-05-18T21:00:15+00:00 Accession: 0001193125-26-229089 Event type: other_material Sentiment: positive Materiality: 0.65 Item codes: 1.01, 1.02, 8.01, 9.01 LLM model: deepseek-v4-flash:cloud@v2 Silence Therapeutics enters new ATM with Jefferies; says not PFIC for 2025 -------------------------------------------------------------------------- - Entered at-the-market equity offering agreement with Jefferies LLC; prior 2021 ATM agreement terminated. - Jefferies receives 3.0% commission on gross proceeds; no minimum obligation to sell ADSs. - After further tax analysis, company believes it was not a PFIC for FY 2025 (previously disclosed potential PFIC status). - Added risk factor noting PFIC classification is fact-intensive and could change; no assurance from IRS. - Legal opinion from Cooley (UK) LLP on ADS validity filed as exhibit 5.1. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1479615/000119312526229089/0001193125-26-229089-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1479615/000119312526229089/sln-20260518.htm HTML page: https://secwatch.observer/filing/0001193125-26-229089 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer