Gary Romano - 01 Oct 2023 Form 4 Insider Report for Alector, Inc. (ALEC)

Role: Chief Medical Officer
Signature: /s/ Marc Grasso, by power of attorney
Issuer symbol: ALEC
Transactions as of: 01 Oct 2023
Net transactions value: $0
Form type: 4
Filing time: 03 Oct 2023, 18:12:44 UTC
Previous filing: 06 Sep 2023
Next filing: 06 Dec 2023
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALEC	Common Stock	Award	$0	+108,000	+109%	$0.000000	207,349	01 Oct 2023	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	Employee Stock Option (right to buy)	Award	$0	+36,000		$0.000000	36,000	01 Oct 2023	Common Stock	36,000	$6.48	Direct	F2

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

Explanation of Responses:

Id	Content
F1	The reported shares are represented by restricted stock units, or RSUs, which vest in 12 equal quarterly installments beginning on December 1, 2023.
F2	Shares subject to the option vest in 48 equal monthly installments beginning on November 1, 2023.