Elizabeth A. Garofalo - Sep 23, 2021 Form 4 Insider Report for Alector, Inc. (ALEC)

Role
Director
Signature
/s/ David Oh, by power of attorney
Stock symbol
ALEC
Transactions as of
Sep 23, 2021
Transactions value $
$0
Form type
4
Date filed
9/27/2021, 08:00 PM
Previous filing
Jun 24, 2021
Next filing
Oct 1, 2021

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 +33.2K $0.00 33.2K Sep 23, 2021 Common Stock 33.2K $24.26 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 One-fourth of the shares subject to the option vest on September 23, 2022 and 1/48th of the shares vest monthly thereafter.