{"schema_version":"secwatch.filing_event.v1","accession":"0001193125-25-070392","form_type":"8-K","ticker":"AMPL","cik":"0001866692","company_name":"Amplitude, Inc.","filed_at":"2025-04-01T23:59:59+00:00","discovered_at":"2026-05-14T18:02:50.259313+00:00","generated_at":"2026-05-24T01:08:26.987657+00:00","sec_items":["1.01"],"event_type":"other_material","sentiment":"neutral","materiality_score":0.4,"calibrated_materiality_score":0.4,"confidence":"high","headline":"Amplitude signs direct lease for 57,530 sq ft SF HQ through Feb 2029","bullets":["Initial monthly base rent $225,325.83, rising ~3% annually; ~$2.6M rent abatement.","Lease starts Oct 1, 2025 or upon sublease termination; expires Feb 28, 2029.","Option to extend three years and right to expand by up to 30,938 sq ft.","Standby letter of credit of $850,000 required through 120 days post-lease.","Company already occupies the space via sublease ending Sept 30, 2025."],"urls":{"canonical":"https://secwatch.observer/filing/0001193125-25-070392","json":"https://secwatch.observer/filing/0001193125-25-070392.json","markdown":"https://secwatch.observer/filing/0001193125-25-070392.md","text":"https://secwatch.observer/filing/0001193125-25-070392.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/1866692/000119312525070392/0001193125-25-070392-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/1866692/000119312525070392/d942704d8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-05-24T01:08:26.987657+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"}