Margaret Olinger - Jan 6, 2022 Form 4 Insider Report for Amylyx Pharmaceuticals, Inc. (AMLX)

Role: Chief Commercial Officer
Signature: /s/ Margaret Olinger
Stock symbol: AMLX
Transactions as of: Jan 6, 2022
Transactions value $: $129,998
Form type: 4
Date filed: 1/10/2022, 07:30 PM
Next filing: Jan 10, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	AMLX	Common Stock	Award	$0	+28.3K	+15.6%	$0.00	210K	Jan 6, 2022	Direct	F1
transaction	AMLX	Common Stock	Purchase	$130K	+6.84K	+3.26%	$19.00	217K	Jan 6, 2022	Direct

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	AMLX	Stock Option (right to buy)	Award	$0	+128K		$0.00	128K	Jan 6, 2022	Common Stock	128K	$19.00	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The reported transaction involves the Reporting Person's receipt of a restricted stock unit award (a "RSU"). The RSU shall vest in 4 equal annual installments, with the first installment vesting on the first anniversary of the date of the grant, subject to the Reporting Person's continued service to the Issuer through such vesting date.
F2	1/4 of the shares subject to the option shall vest and become exercisable on the one year anniversary of the date of grant, and the remaining shares shall vest monthly over the remaining 36 months, subject to the Reporting Person's continuous service to the Issuer through such vesting date.