secwatch.observer — SEC 8-K summary ====================================== Issuer: CSAIL 2019-C18 Commercial Mortgage Trust (—) CIK: 0001792905 Form: 8-K Filed at: 2026-09-21T17:53:52+00:00 Accession: 0001888524-26-016681 Event type: other Sentiment: neutral Materiality: 0.40 Item codes: 8.01 LLM model: deepseek-v4-flash:cloud@v2 Special servicer replaced for ILPT Industrial Portfolio Mortgage Loan; Argentic appointed -------------------------------------------------------------------------------- - Situs Holdings, LLC removed as special servicer for ILPT Industrial Portfolio Mortgage Loan, effective Sept 21, 2026. - Argentic Services Company LP appointed successor special servicer under MSC 2019-L3 PSA. - ILPT Industrial Portfolio Mortgage Loan constitutes ~5.0% of CSAIL 2019-C18 asset pool as of cut-off date. - Argentic's principal office: 740 East Campbell Rd, Suite 600, Richardson, TX 75081. Source: EDGAR index: https://www.sec.gov/Archives/edgar/data/1792905/000188852426016681/0001888524-26-016681-index.htm Primary doc: https://www.sec.gov/Archives/edgar/data/1792905/000188852426016681/csc19c18_8k-09212026.htm HTML page: https://secwatch.observer/filing/0001888524-26-016681 License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer