Company: INKT
Filing Date: 2025-12-10
Form Type: S-3/A
Source: 0001193125-25-314252
Chunk: 35

Company: MiNK Therapeutics, Inc.
Filing Date: 2025-12-10
Form: S-3/A
Chunk 35
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                                          |     | S-5  |
| CAUTIONARY NOTE ABOUT FORWARD-LOOKING STATEMENTS      |     | S-6  |
| USE OF PROCEEDS                                       |     | S-7  |
| DILUTION                                              |     | S-8  |
| PLAN OF DISTRIBUTION                                  |     | S-9  |
| LEGAL MATTERS                                         |     | S-11 |
| EXPERTS                                               |     | S-11 |
| WHERE YOU CAN FIND MORE INFORMATION; INCORPORATION BY 
 REFERENCE                                             |     | S-12 |

S-i

ABOUT THIS PROSPECTUS SUPPLEMENT

This prospectus supplement and the accompanying prospectus are a part of a registration statement that we filed with the Securities and
Exchange Commission (the “SEC”) utilizing a “shelf” registration process. Under the shelf registration process, we may offer shares of our common stock from time to time under this prospectus supplement and the accompanying
prospectus at prices and on terms to be determined by market conditions at the time of offering. This prospectus supplement, the accompanying prospectus and the documents incorporated herein and therein by reference include important information
about us, the shares being offered and other information you should know before investing in our common stock.

You should rely only on
this prospectus supplement, the accompanying prospectus and the information incorporated or deemed to be incorporated by reference in this prospectus supplement and the accompanying prospectus. We have not, and the Sales Agent has not, authorized
anyone to provide you with information that is in addition to or different from that contained or incorporated by reference in this prospectus. We are not, and the Sales Agent is not, offering to sell these securities in any jurisdiction where the
offer or sale is not permitted. You should not assume that the information contained or incorporated by reference in this prospectus supplement and the accompanying prospectus is accurate as of any date other than as of the date of this prospectus
supplement and the accompanying prospectus or in the case of the documents incorporated by reference, the date of such documents regardless of the time of delivery of this prospectus supplement and the accompanying prospectus or any sale of our
common stock. Our business, financial condition, liquidity, results of operations and prospects may have changed since those dates.

As
used in this prospectus supplement, unless the context otherwise requires, the terms “we,” “us,” “our,” the “Company,” and “MiNK” mean, collectively,