| payload |
{"created_at":"2026-04-22T03:03:32.063 {"created_at":"2026-04-22T03:03:32.063787+00:00","signal_type":"discovery_sec_filing_delta","source":"discovery_sec_filings","url":"https://www.sec.gov/Archives/edgar/data/11544/0000011544-26-000008.txt","value":{"company":"BERKLEY W R CORP","form_type":"8-K","fp":"140dc1ca49eaea8e","kind":"sec_filing","published_at":"20260421","source":"sec_edgar","summary":"Form 8-K \u00b7 BERKLEY W R CORP \u00b7 Filed 20260421","ticker":"WRB","tickers":["WRB"],"title":"WRB filed 8-K","url":"https://www.sec.gov/Archives/edgar/data/11544/0000011544-26-000008.txt"}}... |