Company: INKT
Filing Date: 2025-11-07
Form Type: S-3
Source: 0001193125-25-272532
Chunk: 45

Company: MiNK Therapeutics, Inc.
Filing Date: 2025-11-07
Form: S-3
Chunk 45
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 other services for us in the ordinary course of their business, for which they may receive customary fees and commissions. In addition, from time to time, the Sales Agent and its affiliates may effect transactions for their
own accounts or the account of customers, and hold on behalf of

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themselves or their customers, long or short positions in our debt or equity securities or loans, and may do so in the future. Except as disclosed in this prospectus supplement, we have no
present arrangements with the Sales Agent for any further services.

Transfer Agent and Registrar

The transfer agent and registrar for our common stock is Equiniti Trust Company, LLC.

Listing

Our common stock is traded on
the Nasdaq Capital Market under the symbol “INKT.”

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LEGAL MATTERS

The validity of the securities offered hereby will be passed upon for us by Latham & Watkins LLP. The NBD Group, Inc. is counsel to
the Sales Agent in connection with this offering.

EXPERTS

The consolidated financial statements of MiNK Therapeutics, Inc. as of December 31, 2024 and 2023 and for the years then ended, have been
incorporated by reference herein and in the Registration Statement in reliance on the report of KPMG LLP, an independent registered public accounting firm, incorporated by reference herein, and upon the authority of said firm as experts in auditing
and accounting. The audit report covering the December 31, 2024 consolidated financial statements contains an explanatory paragraph that states that the Company has suffered recurring losses from operations and has a net capital deficiency that
raises substantial doubt about the entity’s ability to continue as a going concern. The consolidated financial statements do not include any adjustments that might result from the outcome of that uncertainty.

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WHERE YOU CAN FIND MORE INFORMATION; INCORPORATION BY REFERENCE Available Information This prospectus supplement and the accompanying prospectus are a part of a Registration Statement on Form S-3filed with the SEC. This prospectus does not contain all of the information included in the registration statement. For further information pertaining to us and our common stock, you should refer to the registration statement and to its exhibits. Whenever we make reference in this prospectus to any of our contracts, agreements or other documents, the references are not necessarily complete, and you should refer to the exhibits attached to the registration statement for copies of the actual contract, agreement or other document. We are subject to the information requirements of the Exchange Act and