Robert Alexander - Jan 6, 2023 Form 4 Insider Report for Allakos Inc. (ALLK)

Role: Chief Executive Officer, Director
Signature: /s/ H. Baird Radford, III, by power of attorney
Stock symbol: ALLK
Transactions as of: Jan 6, 2023
Transactions value $: $0
Form type: 4
Date filed: 1/9/2023, 05:15 PM
Previous filing: Dec 5, 2022
Next filing: Mar 9, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALLK	Common Stock	Award	$0	+302K	+39.94%	$0.00	1.06M	Jan 6, 2023	Direct	F1, F2, F3
holding	ALLK	Common Stock						320K	Jan 6, 2023	See footnote	F4

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	ALLK	Stock Option (Right to buy)	Award	$0	+462K		$0.00	462K	Jan 6, 2023	Common Stock	462K	$7.20	Direct	F5

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

Explanation of Responses:

Id	Content
F1	Mr. Alexander was awarded 301,575 restricted stock units ("RSUs") pursuant to the Company's 2018 Equity Incentive Plan on January 6, 2023, of which, 25% will vest on March 1, 2024, and the remainder of the RSUs will vest in 12 equal installments on each three month anniversary thereafter, subject to the Reporting Person continuing as a service provider through each such date.
F2	Each RSU represents a contingent right to receive one share of Common Stock of the Issuer.
F3	Includes 7,905 shares received as a pro-rata in-kind distribution of Common Stock of the Issuer by Alta Partners Management VIII, LLC (APM VIII), without consideration, to the Reporting Person as a non-managing member of APM VIII.
F4	The shares are held by Mr. Alexander and Stacey Lee Alexander, as Trustees of the Alexander 2018 Irrevocable Descendants' Trust.
F5	The option was granted on January 6, 2023. The option vests as to one-fourth of the shares on January 6, 2024, and one forty-eighth of the shares subject to the option vest each month thereafter, subject to the Reporting Person continuing as a service provider through each such date.