---
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"
generated_at: "2026-05-24T01:08:26.987657+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Amplitude signs direct lease for 57,530 sq ft SF HQ through Feb 2029

## Summary
- 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.

## SEC filing metadata
- 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
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 1.01
- 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

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-070392
- JSON: https://secwatch.observer/filing/0001193125-25-070392.json
- Plain text: https://secwatch.observer/filing/0001193125-25-070392.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.