13D Filings
Allakos Inc.
Amendment
Ownership

9.60%

Total Shares

8,693,687

Issuer CIK

1564824

CUSIP

01671P100

Event Date

Apr 14, 2025

Accepted

Apr 17, 2025, 04:01 PM

Reporting Persons (8)
Joint Filing

This is a joint filing. The reported shares may overlap between reporting persons and should not be summed.

NameType% of ClassAggregateSole VotingShared Voting
TANG CAPITAL MANAGEMENT, LLC
Other
9.60%8,693,68708,693,687
KEVIN TANG
Individual
9.60%8,693,68708,693,687
TANG CAPITAL PARTNERS, LP
Partnership
5.40%4,889,33004,889,330
TANG CAPITAL PARTNERS INTERNATIONAL, LP
Partnership
4.20%3,804,35703,804,357
TANG CAPITAL PARTNERS III, INC
CO
0.00%000
TANG CAPITAL PARTNERS IV, INC
CO
0.00%000
CONCENTRA BIOSCIENCES, LLC
Other
0.00%000
CONCENTRA MERGER SUB III, INC
CO
0.00%000
Disclosure Items (5)

Security Title

Common Stock, par value $0.001 per share

Issuer Name

Allakos Inc.

Issuer Address

825 Industrial Road, San Carlos, CA, 94070

Filing Persons

The information previously provided in response to Item 2 is hereby amended and restated by replacing the text thereof in its entirety with the following: This Statement is voluntarily filed by TCM, a Delaware limited liability company that is the general partner of TCP and TCPI; Kevin Tang, a United States citizen; TCP, a Delaware limited partnership engaged in capital management; TCPI, a Delaware limited partnership engaged in capital management; Tang Capital Partners III, Inc., a Nevada corporation that is indirectly wholly owned by TCP ("TCP III"); Tang Capital Partners IV, Inc., a Nevada corporation that is indirectly wholly owned by TCP ("TCP IV"); Concentra Biosciences, LLC, a Delaware limited liability company ("Concentra"); and Concentra Merger Sub III, Inc., a Delaware corporation that is a wholly owned subsidiary of Concentra ("Merger Sub III" and, collectively with TCM, Kevin Tang, TCP, TCPI, TCP III TCP IV and Concentra, the "Reporting Persons").

Business Address

The address of TCM, Kevin Tang, TCP, TCPI, Concentra and Merger Sub III is 4747 Executive Drive, Suite 210, San Diego, CA 92121. The address of TCP III and TCP IV is 400 S. 4th Street, 3rd Floor, Las Vegas, NV 89101.

Principal Occupation

Kevin Tang is the manager of TCM. Kevin Tang is the sole director and Chief Executive Officer of TCP III and TCP IV. Kevin Tang is the Chief Executive Officer of Concentra and Merger Sub III.

Convictions

During the past five years, none of the Reporting Persons have been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction and as a result of such proceeding was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.

Citizenship

See Item 2(a) above.

Item 4 of the Schedule 13D is amended by adding the following: Tender Offer: On April 15, 2025, Merger Sub III commenced a cash tender offer to purchase all outstanding shares of Common Stock of the Issuer, as contemplated by the Merger Agreement. The tender offer is currently scheduled to expire at one minute past 11:59 p.m. Eastern Time on May 14, 2025, subject to the terms and conditions described in the offer to purchase dated April 15, 2025 (together with any amendments or supplements thereto, the "Offer to Purchase"), the accompanying letter of transmittal (together with any amendments or supplements thereto and with the Offer to Purchase, the "Tender Offer"), and the Schedule TO filed on behalf of Merger Sub III on April 15, 2025 ("Schedule TO"). The foregoing description of the Tender Offer does not purport to be complete and is qualified in its entirety by reference to the full text of the Tender Offer documentation, copies of which are attached hereto as exhibits and incorporated herein by reference.

Item 6 of the Schedule D is amended by adding the following: The information set forth in Item 4 under the heading "Tender Offer" is incorporated herein by reference.

Exhibit 1: Joint Filing Agreement by and among the Reporting Persons (filed as Exhibit 1 of the 13D filed on February 3, 2025 by the Reporting Persons with respect to the Common Stock of the Issuer). Exhibit 2: Schedule A: Transactions during the past 60 days (filed as Exhibit 2 of the 13D/A filed on April 3, 2025 by the Reporting Persons with respect to the Common Stock of the Issuer). Exhibit 3: Agreement and Plan of Merger, dated April 1, 2025, by and among Concentra Biosciences, LLC, Concentra Merger Sub III, Inc. and Allakos Inc. (filed as Exhibit 2.1 of the Issuer's Current Report filed on Form 8-K on April 2, 2025). Exhibit 4: Schedule TO (filed by Merger Sub III on April 15, 2025). Exhibit 5: Offer to Purchase, dated April 15, 2025 (filed as Exhibit (a)(1)(A) to the Schedule TO filed by Merger Sub III on April 15, 2025). Exhibit 6: Form of Letter of Transmittal (filed as Exhibit (a)(1)(B) to the Schedule TO filed by Merger Sub III on April 15, 2025. Exhibit 7: Form of Letter to Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees (filed as Exhibit (a)(1)(C) to the Schedule TO filed by Merger Sub III on April 15, 2025. Exhibit 8: Form of Letter to Clients for Use by Brokers, Dealers, Commercial Banks, Trust Companies and Other Nominees (filed as Exhibit (a)(1)(D) to the Schedule TO filed by Merger Sub III on April 15, 2025. Exhibit 9: Mutual Confidentiality Agreement dated February 20, 2025 between Allakos and TCM (filed as Exhibit (d)(2) to the Schedule TO filed by Merger Sub III on April 15, 2025). Exhibit 10: Limited Guaranty, dated April 1, 2025 (filed as Exhibit (d)(3) to the Schedule TO filed by Merger Sub III on April 15, 2025). Exhibit 11: Joint Filing Agreement, dated April 17, 2025, by and among the Reporting Persons.

Allakos Inc. — Schedule 13D | 13D Filings