Alector, Inc. — Director's Dealing 2021

Jun 3, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Alector, Inc. (ALEC)
CIK: 0001653087
Period of Report: 2021-06-02

Reporting Person: Yu Calvin (Vice President, Finance)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-06-02	Common Stock	S	1844	$17.77	Disposed	126686	Direct

Footnotes

F1: The sales reported by the Reporting Person were effected pursuant to a Rule 10b5-1 trading plan.

F2: The shares were acquired pursuant to the Issuer's 2019 Employee Stock Purchase Plan on May 28, 2021.