Amplitude, Inc. — Director's Dealing 2025

Oct 17, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amplitude, Inc. (AMPL)
CIK: 0001866692
Period of Report: 2025-10-15

Reporting Person: Schultz Erica (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-10-15	Class A Common Stock	M	10000.00	$4.19	Acquired	117406.00	Direct
2025-10-15	Class A Common Stock	S	10000.00	$10.1229	Disposed	107406.00	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-10-15	Stock Option (Right to Buy)	$4.19	M	10000.00	Disposed	2030-12-15	Class A Common Stock (10000.00)	Direct

Footnotes

F1: The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the reporting person on March 12, 2025.

F2: This transaction was executed in multiple trades at prices ranging from $10.0200 to $10.2900. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.

F3: The option is early exercisable. 1/48th of the shares subject to the option vest on each monthly anniversary measured from December 10, 2020 (the"Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date.