SCHEDULE 13D/A

ALLAKOS INC

Common Stock, par value $0.001 per share · CUSIP: 01671P100

Event date: 2025-04-01

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• TANG CAPITAL MANAGEMENT, LLCReported CIK 0001232621

  Shares: 8,693,687.00 · Class: 9.6%

• KEVIN TANGReported CIK 0001178579

  Shares: 8,693,687.00 · Class: 9.6%

• TANG CAPITAL PARTNERS, LPReported CIK 0001191935

  Shares: 4,889,330.00 · Class: 5.4%

• TANG CAPITAL PARTNERS INTERNATIONAL, LP

  Shares: 3,804,357.00 · Class: 4.2%

• TANG CAPITAL PARTNERS III, INC

  Shares: 0.00 · Class: 0%

• TANG CAPITAL PARTNERS IV, INC

  Shares: 0.00 · Class: 0%

• CONCENTRA BIOSCIENCES, LLCReported CIK 0001970065

  Shares: 0.00 · Class: 0%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.