AMPL AMPLITUDE INC Company Mergers 8-K Filing 2025 - Lease Agreement On March 28, 2025, Amplitude, Inc. signed a lease for 57,530 square feet in San Francisco, starting from March 21, 2025, with a monthly rent of $225,325.83, increasing by 3% annually, and an option to expand by an additional 30,938 square feet.Get access to all SEC 8-K filings of the AMPLITUDE INC