Amplitude, Inc. — Director's Dealing 2021

Oct 1, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Amplitude, Inc. (AMPL)
CIK: 0001866692
Period of Report: 2021-09-28

Reporting Person: Heinz Matthew (Chief Revenue Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-28	Class A Common Stock	M	195000	$2.26	Acquired	239247	Direct
2021-09-28	Class A Common Stock	S	156000	$50.00	Disposed	83247	Direct
2021-09-28	Class A Common Stock	S	39000	$52.3062	Disposed	44247	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-09-28	Stock Option (Right to Buy)	$2.26	M	195000	Disposed	2029-10-31	Class A Common Stock (195000)	Direct

Footnotes

F1: This transaction was executed in multiple trades in prices ranging from $52.01 to $52.60, inclusive. The price reported in Column 4 above reflects the weighted average sale price. The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

F2: The option is early exercisable. 25% of the shares subject to the option vest on the first anniversary measured from October 15, 2019 (the "Vesting Commencement Date"), and 1/48th of the total number of shares vest monthly thereafter, such that 100% of the shares subject to the option will be fully vested on the fourth anniversary of the Vesting Commencement Date.