0001866692 2026-08-05 2026-08-05 false 0001866692 8-K 2026-08-05 Amplitude, Inc. DE 001-40817 45-3937349 201 Third Street Suite 200 San Francisco CA 94103 (415) 231-2353 false false false false Class A Common Stock, $0.00001 par value per share AMPL NASDAQ false