Kristine Yaffe - Sep 10, 2021 Form 4 Insider Report for Alector, Inc. (ALEC)

Role
Director
Signature
/s/ Marc Grasso, by power of attorney
Stock symbol
ALEC
Transactions as of
Sep 10, 2021
Transactions value $
$36,200
Form type
4
Date filed
1/31/2023, 06:17 PM
Previous filing
Jun 22, 2021
Next filing
Jun 21, 2022

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ALEC Common Stock Options Exercise $36.2K +2K $18.10 2K Sep 10, 2021 Direct F1

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) Options Exercise $0 -2K -5% $0.00 38K Sep 10, 2021 Common Stock 2K $18.10 Direct F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 As of the filing date, the amount of securities beneficially owned by the reporting person is 11,459 shares.
F2 One-fourth of the shares subject to the option vested on August 9, 2020 and an additional 1/48th of the shares vest monthly thereafter.