Spenser Skates - Sep 21, 2021 Form 3 Insider Report for Amplitude, Inc. (AMPL)

Role: Chief Executive Officer, Director
Signature: /s/ Hoang Vuong, as Attorney-in-Fact for Spenser Skates
Stock symbol: AMPL
Transactions as of: Sep 21, 2021
Transactions value $: $0
Form type: 3
Date filed: 9/21/2021, 06:00 PM
Previous filing: Sep 23, 2021
Next filing: Sep 30, 2021

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
holding	AMPL	Class B Common Stock							Sep 21, 2021	Class A Common Stock	7.04M	$0.00	Direct	F1
holding	AMPL	Stock Option (Right to Buy)							Sep 21, 2021	Class A Common Stock	119K	$4.19	Direct	F2
holding	AMPL	Stock Option (Right to Buy)							Sep 21, 2021	Class A Common Stock	682K	$4.19	Direct	F3
holding	AMPL	Stock Option (Right to Buy)							Sep 21, 2021	Class A Common Stock	1.17M	$4.19	Direct	F4

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

Explanation of Responses:

Id	Content
F1	The Class B Common Stock is convertible at any time at the option of the holder into the Issuer's Class A Common Stock on a one-to-one basis. The Class B Common Stock will convert automatically into shares of the Issuer's Class A Common Stock on a one-to-one basis upon the earlier of (a) any transfer of the Class B Common Stock by the holder, whether or not for value, subject to certain exceptions, (b) the death or incapacity of the holder, (c) the date that is six months following the date on which the holder is no longer an employee or director of the Issuer (unless such holder has rejoined the Issuer during such six-month period) or (d) the date that is six months following the date on which none of the Issuer's founders is an employee or director of the Issuer (unless a founder has rejoined the Issuer during such six-month period).
F2	1/48th of the shares subject to the option vest on each monthly anniversary measured from January 1, 2021 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested and exercisable on the fourth anniversary of the Vesting Commencement Date.
F3	The option is early exercisable. 1/48th of the shares subject to the option vest on each monthly anniversary measured from January 1, 2021 (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.
F4	The option is early exercisable. 1/24th of the shares subject to the option vest on each monthly anniversary measured from September 21, 2021 (the "Vesting Commencement Date"), such that 100% of the shares subject to the option will be fully vested on the second anniversary of the Vesting Commencement Date.

Remarks:

Exhibit 24.1 - Power of Attorney