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Filing Details

Accession Number:: 0001209191-21-036143
Form Type:: 4/A
Zero Holdings:: No
Publication Time:: 2021-05-27 06:00:22
Reporting Period:: 2021-05-17

Accepted Time:: 2021-05-27 06:00:22
Original Submission Date:: 2021-05-19
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1564824	Allakos Inc.	ALLK	Pharmaceutical Preparations (2834)	454798831

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1608782	Robert Alexander	975 Island Drive, Suite 201 Redwood City CA 94065	Chief Executive Officer	Yes	Yes	No	No

Reported Non-Derivative Transactions

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Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2021-05-19	14,516	$98.94	245,395	No	4	S	Direct
Common Stock	Acquisiton	2021-05-19	14,516	$0.69	259,911	No	4	M	Direct
Common Stock	Disposition	2021-05-18	14,517	$102.32	245,395	No	4	S	Direct
Common Stock	Acquisiton	2021-05-18	14,517	$0.69	259,912	No	4	M	Direct
Common Stock	Disposition	2021-05-17	14,517	$99.68	245,395	No	4	S	Direct
Common Stock	Acquisiton	2021-05-17	14,517	$0.69	259,912	No	4	M	Direct
Common Stock	Disposition	2021-05-19	5,482	$98.89	336,750	No	4	S	Indirect	See footnote
Common Stock	Disposition	2021-05-18	5,484	$102.29	342,232	No	4	S	Indirect	See footnote
Common Stock	Disposition	2021-05-17	5,484	$99.69	347,716	No	4	S	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Direct
No	4	M	Direct
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote
No	4	S	Indirect	See footnote

Reported Derivative Transactions

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Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (Right to buy)	Disposition	2021-05-19	14,516	$0.00	14,516	$0.69
Common Stock	Stock Option (Right to buy)	Disposition	2021-05-18	14,517	$0.00	14,517	$0.69
Common Stock	Stock Option (Right to buy)	Disposition	2021-05-17	14,517	$0.00	14,517	$0.69

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
956,050	2021-05-19	No	4	M	Direct
970,566	2021-05-18	No	4	M	Direct
985,083	2021-05-17	No	4	M	Direct

Footnotes

This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2021. This transaction was executed in multiple trades at prices ranging from $97.84 to $100.68 per share. The sale price reported represents the weighted average sale price. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price.
Includes shares of common stock purchased under the Company's 2018 Employee Stock Purchase Plan.
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.
This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2021. This transaction was executed in multiple trades at prices ranging from $100.75 to $104.55 per share. The sale price reported represents the weighted average sale price. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price.
This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 10, 2021. This transaction was executed in multiple trades at prices ranging from $97.29 to $100.91 per share. The sale price reported represents the weighted average sale price. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price.
This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 11, 2021. This transaction was executed in multiple trades at prices ranging from $97.53 to $100.48 per share. The sale price reported represents the weighted average sale price. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price.
The shares are held by Mr. Alexander and Stacey Lee Alexander, as Trustees of the Alexander 2018 Irrevocable Descendants' Trust.
This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 11, 2021. This transaction was executed in multiple trades at prices ranging from $100.84 to $104.54 per share. The sale price reported represents the weighted average sale price. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price.
This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 11, 2021. This transaction was executed in multiple trades at prices ranging from $97.23 to $100.63 per share. The sale price reported represents the weighted average sale price. Upon request by the Commission staff, the Issuer, or a security holder of the Issuer, the Reporting Person hereby undertakes to provide full information regarding the number of shares sold at each separate price.
On May 17, 2017, the Reporting Person was granted an option to purchase 1,412,800 ordinary shares pursuant to the Company's 2012 Equity Incentive Plan. The option vests as to one-fourth of the shares on May 17, 2018, 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.