--- schema_version: "secwatch.filing_event.v1" accession: "0001140361-25-019156" form_type: "8-K" ticker: null cik: "0001564824" company_name: "Allakos Inc." filed_at: "2025-05-15T23:59:59+00:00" generated_at: "2026-05-21T04:57:52.714157+00:00" event_type: "m_and_a" sentiment: "neutral" materiality_score: 0.85 calibrated_materiality_score: 0.85 confidence: "high" source: SEC EDGAR --- # Allakos acquired by Concentra Biosciences for $0.33/share; delisting from Nasdaq ## Summary - Allakos acquired by Concentra Biosciences via tender offer and merger for $0.33 per share in cash. - Approximately 81.21% of outstanding shares tendered; all conditions satisfied. - Merger completed May 15, 2025; Allakos now a wholly owned subsidiary of Concentra. - Allakos board and officers resigned; replaced by Kevin Tang and other Concentra executives. - Trading of ALLK shares suspended; company to file Form 25 to delist and deregister. ## SEC filing metadata - accession: 0001140361-25-019156 - form_type: 8-K - cik: 0001564824 - company_name: Allakos Inc. - filed_at: 2025-05-15T23:59:59+00:00 - event_type: m_and_a - sentiment: neutral - materiality_score: 0.85 - calibrated_materiality_score: 0.85 - confidence: high - sec_items: 2.01, 3.01, 3.03, 5.01, 5.02, 5.03, 9.01 - EDGAR index: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/ny20049047x1_8k.htm ## Machine-readable alternates - HTML: https://secwatch.observer/filing/0001140361-25-019156 - JSON: https://secwatch.observer/filing/0001140361-25-019156.json - Plain text: https://secwatch.observer/filing/0001140361-25-019156.txt ## Key facts - Executive change Robert Alexander resigned as Director at Allakos Inc.. - Action: resigned - Role: Director source text: each of Robert Alexander, Ph.D., Robert E. Andreatta, Neil Graham, M.D., Steven P. James, Amy L. Ladd, M.D., Dolca Thomas, M.D. and Paul Walker resigned from the board of directors evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Dolca Thomas resigned as Director at Allakos Inc.. - Action: resigned - Role: Director source text: Dolca Thomas, M.D. and Paul Walker resigned from the board of directors evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Thomas Wei was appointed as Chief Business Officer at Allakos Inc.. - Action: became - Role: Chief Business Officer source text: Thomas Wei, Chief Business Officer evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Paul Walker resigned as Director at Allakos Inc.. - Action: resigned - Role: Director source text: Paul Walker resigned from the board of directors evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Robert Alexander resigned as Officer at Allakos Inc.. - Action: resigned - Role: Officer source text: Dr. Alexander, Baird Radford and Adam Tomasi have resigned from their respective positions as officers of the Company evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Baird Radford resigned as Officer at Allakos Inc.. - Action: resigned - Role: Officer source text: Baird Radford and Adam Tomasi have resigned from their respective positions as officers of the Company evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Amy L. Ladd resigned as Director at Allakos Inc.. - Action: resigned - Role: Director source text: Amy L. Ladd, M.D., Dolca Thomas, M.D. and Paul Walker resigned from the board of directors evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Ryan Cole was appointed as Chief Operating Officer at Allakos Inc.. - Action: became - Role: Chief Operating Officer source text: Ryan Cole, Chief Operating Officer evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Michael Hearne was appointed as Chief Financial Officer at Allakos Inc.. - Action: became - Role: Chief Financial Officer source text: Michael Hearne, Chief Financial Officer evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Steven P. James resigned as Director at Allakos Inc.. - Action: resigned - Role: Director source text: Steven P. James, Amy L. Ladd, M.D., Dolca Thomas, M.D. and Paul Walker resigned from the board of directors evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Adam Tomasi resigned as Officer at Allakos Inc.. - Action: resigned - Role: Officer source text: Adam Tomasi have resigned from their respective positions as officers of the Company evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Robert E. Andreatta resigned as Director at Allakos Inc.. - Action: resigned - Role: Director source text: Robert E. Andreatta, Neil Graham, M.D., Steven P. James, Amy L. Ladd, M.D., Dolca Thomas, M.D. and Paul Walker resigned from the board of directors evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Kevin Tang was appointed as Director at Allakos Inc.. - Action: became - Role: Director source text: The sole director of Merger Sub immediately prior to the Effective Time was Kevin Tang evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Kevin Tang was appointed as Chief Executive Officer at Allakos Inc.. - Action: became - Role: Chief Executive Officer source text: Mr. Tang, Chief Executive Officer evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Stew Kroll was appointed as Chief Development Officer at Allakos Inc.. - Action: became - Role: Chief Development Officer source text: Stew Kroll, Chief Development Officer evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - Executive change Neil Graham resigned as Director at Allakos Inc.. - Action: resigned - Role: Director source text: Neil Graham, M.D., Steven P. James, Amy L. Ladd, M.D., Dolca Thomas, M.D. and Paul Walker resigned from the board of directors evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm - M&A Transactions Allakos Inc. underwent a change of control involving Concentra Biosciences, LLC for $0.33 per Share in cash (closed 2025-05-15). - Action: change of control - Counterparty: Concentra Biosciences, LLC - Consideration: $0.33 per Share in cash - Closing: 2025-05-15 source text: 15, 2025, Merger Sub completed a tender offer to purchase all of the C ompany’s outstanding shares of common stock, par value $0.001 per share (the “ Shares ”), in exchange for $0.33 in cash per Share (the “ Offer Price ”), subject to and in accordance with the terms and conditions set forth in the Offer to Purchase, dated April 15, 2025 (the “ Offer to evidence_url: https://www.sec.gov/Archives/edgar/data/1564824/000114036125019156/0001140361-25-019156-index.htm This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.