Louis J. Lavigne Jr - Jun 16, 2022 Form 4 Insider Report for Alector, Inc. (ALEC)

Role: Director
Signature: /s/ Calvin Yu, by power of attorney
Stock symbol: ALEC
Transactions as of: Jun 16, 2022
Transactions value $: $0
Form type: 4
Date filed: 6/21/2022, 07:38 PM
Previous filing: May 24, 2022
Next filing: Jun 15, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALEC	Common Stock	Award	$0	+9.46K		$0.00	9.46K	Jun 16, 2022	Direct	F1
holding	ALEC	Common Stock						10.6K	Jun 16, 2022	See footnote	F2

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	ALEC	Stock Option (right to buy)	Award	$0	+18.9K		$0.00	18.9K	Jun 16, 2022	Common Stock	18.9K	$8.07	Direct	F3

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

Explanation of Responses:

Id	Content
F1	The reported shares are represented by restricted stock units, or RSUs, which vest on the earlier of (i) June 16, 2023 or (ii) the date of the Issuer's next annual meeting of stockholders.
F2	The shares held of record by Lavrite, LLC, for which the reporting person serves as managing director.
F3	The shares subject to the option vest in 12 equal monthly installments beginning on July 16, 2022, or if earlier, the date of the Issuer's next annual meeting of stockholders.