Sara Kenkare-Mitra - Jan 3, 2022 Form 4 Insider Report for Alector, Inc. (ALEC)

Role: President and Head of R&D
Signature: /s/ David Oh, by power of attorney
Stock symbol: ALEC
Transactions as of: Jan 3, 2022
Transactions value $: $0
Form type: 4
Date filed: 1/5/2022, 04:08 PM
Previous filing: Dec 16, 2021
Next filing: Oct 4, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALEC	Common Stock	Award	$0	+59K		$0.00	59K	Jan 3, 2022	Direct	F1
transaction	ALEC	Common Stock	Award	$0	+59K	+100%	$0.00	118K	Jan 3, 2022	Direct	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	Employee Stock Option (right to buy)	Award	$0	+300K		$0.00	300K	Jan 3, 2022	Common Stock	300K	$20.78	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Shares consist of restricted stock units, or RSUs, which vest as follows: one-third of the RSUs vest on March 1, 2023 and one-twelfth of the RSUs vest quarterly thereafter.
F2	Shares consist of performance share units, or PSUs, which vest as follows: twenty-five percent of the award will be earned if, within four years of January 3, 2022, the Issuer's average closing stock price is $30 per share for 40 consecutive trading days and the remaining seventy-five percent will be earned if the average closing stock price is $40 per share for 40 consecutive trading days. Upon attainment of the performance metrics, the shares vest in four equal quarterly installments beginning on the first vesting date as set forth in the PSU award agreement.
F3	Twenty-five percent of the shares subject to the option shall vest on December 15, 2022 and one forty-eighth of the shares vest monthly thereafter.