Hoang Vuong - Dec 30, 2021 Form 4 Insider Report for Amplitude, Inc. (AMPL)

Role: Chief Financial Officer
Signature: /s/ Hoang Vuong
Stock symbol: AMPL
Transactions as of: Dec 30, 2021
Transactions value $: -$17,013
Form type: 4
Date filed: 1/3/2022, 07:12 PM
Previous filing: Nov 16, 2021
Next filing: Feb 23, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMPL	Class A Common Stock	Options Exercise	$16.7K	+7.37K	+23.51%	$2.26^*	38.7K	Dec 30, 2021	Direct
transaction	AMPL	Class A Common Stock	Sale	-$13.5K	-248	-0.64%	$54.32	38.5K	Dec 30, 2021	Direct	F1
transaction	AMPL	Class A Common Stock	Sale	-$20.2K	-372	-100%	$54.32	0	Dec 30, 2021	Indirect - Trust	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	AMPL	Stock Option (Right to Buy)	Options Exercise	$0	+7.37K	+14.29%	$0.00	59K	Dec 30, 2021	Class A Common Stock	7.37K	$2.26	Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The sales reported were effected pursuant to a 10b5-1 trading plan adopted by the Reporting Person.
F2	The option is early exercisable. 1/48th of the shares subject to the option vest on each monthly anniversary measured from April 29, 2019 (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.