Ladd Amy L - 15 May 2025 Form 4 Insider Report for Allakos Inc. (ALLK)

Role
Director
Signature
/s/ H. Baird Radford, III, by power of attorney
Issuer symbol
ALLK
Transactions as of
15 May 2025
Net transactions value
$0
Form type
4
Filing time
15 May 2025, 16:04:10 UTC
Previous filing
01 May 2025
Next filing
04 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Ladd Amy L Director 149 COMMONWEALTH DR, SUITE 1090, MENLO PARK /s/ H. Baird Radford, III, by power of attorney 15 May 2025 0001781750

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) Disposed to Issuer $0 -233,177 -100% $0.000000 0 15 May 2025 Common Stock 233,177 $4.34 Direct F1
transaction ALLK Stock Option (right to buy) Disposed to Issuer $0 -86,762 -100% $0.000000 0 15 May 2025 Common Stock 86,762 $4.81 Direct F1
transaction ALLK Stock Option (right to buy) Disposed to Issuer $0 -41,000 -100% $0.000000 0 15 May 2025 Common Stock 41,000 $1.42 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Ladd Amy L is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.

Explanation of Responses:

Id Content
F1 This option was cancelled without consideration pursuant to the terms of that certain Agreement and Plan of Merger, dated April 1, 2025, by and among the Issuer, Concentra Biosciences, LLC and Concentra Merger Sub III, Inc.