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SCHEDULE Filed 2025-05-19 Event 2025-05-15 SEC 0001214659-25-008064 →

TANG CAPITAL MANAGEMENT LLC Allakos Inc.

Stake: 100.00% Shares: 10,000 CUSIP: 01671P100 Class: Common Stock, par value $0.001 per share

Item 4 — Purpose of Transaction

Item 4 of the Schedule 13D is amended by adding the following: Closing of the Merger: As previously disclosed, each of Concentra, the Issuer and Merger Sub III entered into the Merger Agreement, which provides for an Offer by Merger Sub III for all of the Issuer's Common Stock. The Offer commenced on April 15, 2025. On May 15, 2025, the Offer expired and Merger Sub III accepted for purchase a total of 73,398,243 shares tendered and not withdrawn, representing approximately 81.21% of the total shares of the Issuer issued and outstanding. Following the expiration of the Offer, Merger Sub III merged with and into the Issuer on May 15, 2025, pursuant to Section 251(h) of the Delaware General Corporation Law, and, among other things, each share of common stock of Merger Sub III issued and outstanding immediately before the Effective Time automatically converted into the right to receive the Offer Price, with the Issuer surviving as a wholly owned subsidiary of Concentra.

Cross-References

Insider Activity (last 365d)
0 transactions
0 buys · 0 sales · 0 awards/exercises
Issuer Cluster
6 13D/G filings on this issuer
5 other filings besides this one
Filer Track Record
5 filings by this filer
4 other filings in the data moat
Short Interest
Not in latest FINRA snapshot

Other 13D/G Filings on Allakos Inc.

FiledFormFilerStakeShares
2025-04-03 SCHEDULE TANG CAPITAL MANAGEMENT LLC 9.60% 8,693,687 view →
2021-03-11 SC New Enterprise Associates 16, L.P. view →
2021-01-08 SC RiverVest Venture Fund III, L.P. view →
2021-01-06 SC Alta Partners VIII, L.P. view →
2020-01-28 SC Alta Partners VIII, L.P. view →

Other Filings by TANG CAPITAL MANAGEMENT LLC

FiledFormIssuerStakeShares
2025-09-03 SCHEDULE iTeos Therapeutics, Inc. 100.00% 10,000 view →
2025-04-03 SCHEDULE Allakos Inc. 9.60% 8,693,687 view →
2025-03-04 SCHEDULE Aurinia Pharmaceuticals Inc. AUPH 7.30% 10,029,500 view →
2025-02-27 SCHEDULE ACELYRIN, Inc. 7.30% 7,298,328 view →

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