Craig A. Paterson - Apr 28, 2022 Form 3 Insider Report for Allakos Inc. (ALLK)

Role: Chief Medical Officer
Signature: /s/ Eric Schaefer
Stock symbol: ALLK
Transactions as of: Apr 28, 2022
Transactions value $: $0
Form type: 3
Date filed: 5/11/2022, 08:08 PM
Next filing: Jun 3, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
holding	ALLK	Common Stock						276K	Apr 28, 2022	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
holding	ALLK	Stock Option (Right to buy)							Apr 28, 2022	Common Stock	15.4K	$123.20	Direct	F2
holding	ALLK	Stock Option (Right to buy)							Apr 28, 2022	Common Stock	14.9K	$98.56	Direct	F3

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

Explanation of Responses:

Id	Content
F1	Includes 274,817 shares represented by restricted stock units ("RSUs"). Each RSU represents the Reporting Person's right to receive one share of Common Stock of the Issuer subject to the applicable vesting schedule, provided that the Reporting Person continues to be a service provider through each vesting date.
F2	The option was granted on March 15, 2021. The option vests as to one-fourth of the shares on March 1, 2022, 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.
F3	The option was granted on May 19, 2021. The option vests as to one-fourth of the shares on June 11, 2022, 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.