Form 4 Filing for Amplitude, Inc.

This filing details a transaction by Andrew Casey, Chief Financial Officer of Amplitude, Inc. On May 15, 2026, Mr. Casey disposed of 64,872 shares of Class A Common Stock. The shares were withheld by the issuer to cover tax obligations arising from the net issuance of shares due to the vesting of restricted stock units. The transaction code is "F", indicating a disposition of shares. The price per share was $6.06. Following this transaction, Mr. Casey owns 1,436,152 shares. This total includes 958,054 RSUs and 2,500 shares acquired through the employee stock purchase plan. The filing is Form 4, and the signature date was May 19, 2026.