Alector, Inc. — Director's Dealing 2022

Jan 5, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alector, Inc. (ALEC)
CIK: 0001653087
Period of Report: 2022-01-03

Reporting Person: Kenkare-Mitra Sara (President and Head of R&D)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2022-01-03	Common Stock	A	59000	$0.00	Acquired	59000	Direct
2022-01-03	Common Stock	A	59000	$0.00	Acquired	118000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-01-03	Employee Stock Option (right to buy)	$20.78	A	300000	Acquired	2032-01-03	Common Stock (300000)	Direct

Footnotes

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.