{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-21-284202","form_type":"8-K","ticker":"AMPL","cik":"0001866692","company_name":"Amplitude, Inc.","filed_at":"2021-09-27T23:59:59+00:00","discovered_at":"2026-05-14T18:04:20.189423+00:00","generated_at":"2026-06-29T01:21:59.773200+00:00","sec_items":["8.01","9.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.5,"calibrated_materiality_score":0.5,"confidence":"high","headline":"Amplitude announces share counts: 46.1M Class A, 56.6M Class B; trading starts Sept 28","bullets":["As of Sept 27, 2021: 46.1M Class A shares outstanding, 56.6M Class B shares outstanding.","Of these, 0.4M Class A and 1.1M Class B shares are subject to future vesting.","Class A common stock expected to commence trading on Nasdaq Sept 28, 2021.","Each Class B share is convertible at any time into one Class A share."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-21-284202","json":"https://secwatch.observer/filing/0001193125-21-284202.json","markdown":"https://secwatch.observer/filing/0001193125-21-284202.md","text":"https://secwatch.observer/filing/0001193125-21-284202.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1866692/000119312521284202/0001193125-21-284202-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1866692/000119312521284202/d222857d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-06-29T01:21:59.773200+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}