Form 4 Filing for Amplitude, Inc.

This filing details stock transactions by Nathaniel Glenn Crook, Chief Commercial Officer of Amplitude, Inc. On April 15, 2026, Mr. Crook acquired 278,551 shares of Class A Common Stock through restricted stock units (RSUs) that vest in installments starting May 15, 2026. Following this transaction, he holds 1,156,096 shares. Additionally, he acquired 974,930 RSUs, which also vest in installments starting May 15, 2026. This brings his total holdings to 2,131,026 shares. The RSUs represent rights to receive one share of Class A Common Stock each upon vesting, contingent on continued service. The transactions were executed at a price of $0.00 per share, indicating they were likely part of a stock-based compensation plan.