Company: INTS
Filing Date: 2025-06-12
Form Type: 424B5
Source: 0001628280-25-031040
Chunk: 32

Company: INTENSITY THERAPEUTICS, INC.
Filing Date: 2025-06-12
Form: 424B5
Chunk 32
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 directly or indirectly in any “at-the-market,”

<div align='center'>S-23</div>

continuous equity, equity lines, or variable rate transaction, offer to sell, sell, contract to sell, grant any option to sell or otherwise dispose of shares of our common stock or any securities convertible into or exercisable or exchangeable for our shares of common stock, without the prior written consent of the Representative..

#### Right of First Refusal
We have granted the representative a right of first refusal, for a period of three months from the closing of the offering, to act as sole investment banker, sole book-runner, and/or sole placement agent, at the representative’s sole and exclusive discretion, for each and every future public and private equity and debt offering, including all of our equity linked financings (each, a “Subject Transaction”), or any successor (or any of our subsidiaries), on terms and conditions customary to the representative for such Subject Transactions.

Discretionary Accounts. The underwriter does not intend to confirm sales of the shares of common stock offered hereby to any accounts over which it has discretionary authority.

Electronic Offer, Sale and Distribution of Shares. A prospectus supplement and the accompanying base prospectus may be made available in electronic format on the websites maintained by the underwriter and the underwriter may distribute prospectus supplements electronically. The underwriter may agree to allocate a number of shares for sale to its online brokerage account holders. Internet distributions will be allocated by the underwriter and on the same basis as other allocations. Other than the prospectus supplement in electronic format, the information on these websites is not part of this prospectus supplement or the registration statement of which this prospectus supplement forms a part, has not been approved or endorsed by us or the underwriter in its capacity as underwriter, and should not be relied upon by investors.

Other Relationships. The underwriter and its affiliates may in the future provide various investment banking, commercial banking and other financial services for us and our affiliates for which it may receive customary fees; however, except as disclosed in this prospectus supplement, we have no present arrangements with the underwriter for any further services.

Stabilization. In connection with this offering, the underwriter may engage in stabilizing transactions, over-allotment transactions, syndicate covering transactions, penalty bids and purchases to cover positions created by short sales.

• Stabilizing transactions permit bids to purchase shares so long as the stabilizing bids do not exceed a specified maximum and are engaged in for the purpose of preventing or ret