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: Wong Catherine (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-09-28	Class A Common Stock	A	125000	$0.00	Acquired	125000	Direct
2021-09-30	Class A Common Stock	S	3515	$53.9679	Disposed	121485	Direct

Footnotes

F1: Constitute restricted stock units ("RSUs") for which the Reporting Person is entitled to receive one (1) share of Class A Common Stock for each RSU upon vesting. 1/16th of the RSUs vest on each quarterly anniversary of May 15, 2021, beginning August 15, 2021, subject to the Reporting Person's continued service to the Issuer.

F2: Includes 117,188 RSUs.

F3: Shares sold to satisfy tax withholding obligations in connection with the vesting of RSUs.

F4: This transaction was executed in multiple trades in prices ranging from $53.92 to $54.03, 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.