144 0001617474 XXXXXXXX LIVE 0001866692 AMPLITUDE INC 001-40817 201 Third Street, Suite 200 San Francisco CA 94103 415-231-2353 THE VISHRIA REVOCABLE TRUST Director COMMON Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

25000 288250.00 102111652 08/11/2025 NASDAQ Common 12/31/2014 Private Investment Series A Acquisition Issuer N 25000 12/31/2014 N/A N 10b5-1 Sales for THE VISHRIA REVOCABLE TRUST

201 Third Street, Suite 200 San Francisco CA 94103

COMMON 05/12/2025 10000 120000.00 08/11/2025 12/13/2024 /s/ Eric Vishria