| payload |
{"created_at":"2026-04-07T03:18:43.308 {"created_at":"2026-04-07T03:18:43.308311+00:00","signal_type":"discovery_sec_filing_delta","source":"discovery_sec_filings","url":"https://www.sec.gov/Archives/edgar/data/1783407/0001493152-26-015223.txt","value":{"company":"Sound Group Inc.","form_type":"4","fp":"9a97bac7dea4fedc","kind":"sec_filing","published_at":"20260406","source":"sec_edgar","summary":"Form 4 \u00b7 Sound Group Inc. \u00b7 Filed 20260406","ticker":"SOGP","tickers":["SOGP"],"title":"SOGP filed 4","url":"https://www.sec.gov/Archives/edgar/data/1783407/0001493152-26-015223.txt"}}... |