Company: INTS
Filing Date: 2025-04-25
Form Type: 424B4
Source: 0001628280-25-020056
Chunk: 0

Company: INTENSITY THERAPEUTICS, INC.
Filing Date: 2025-04-25
Form: 424B4
Chunk 0
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| PROSPECTUS |     | Filed Pursuant to Rule 424(b)(4) |
|            |     | Registration No. 333-286683      |

#### 3,133,333 Shares of Common Stock
<div align='center'>3,133,333 Series B-1 Common Warrants to Purchase Up to 3,133,333 Shares of Common Stock

3,133,333 Series B-2 Common Warrants to Purchase Up to 3,133,333 Shares of Common Stock

6,266,666 Shares of Common Stock Underlying the Series B-1 Common Warrants and Series B-2 Common Warrants</div>

We are offering, on a reasonable best-efforts basis, 3,133,333 shares of our common stock, par value $0.0001 (the “Common Stock”), together with warrants to purchase up to 6,266,666 shares of our Common Stock. Each share of Common Stock is being sold together with a common warrant to purchase one share of Common Stock (the “Series B-1 Common Warrant”) and an additional common warrant to purchase one share of Common Stock (the “Series B-2 Common Warrant”, and together with the Series B-1 Common Warrant, the “Common Warrants”). The shares of Common Stock and Common Warrants are immediately separable and will be issued separately in this offering, but must be purchased together in this offering. The public offering price for each share of Common Stock and the accompanying Common Warrants is $0.75.

Each Common Warrant will have an exercise price per share of $0.85 and will be exercisable upon issuance (the “Initial Exercise Date”). This prospectus also relates to the shares of Common Stock issuable upon exercise of the Common Warrants sold in this offering. The Series B-1 Common Warrants will expire on the 5-year anniversary of the Initial Exercise Date, and the Series B-2 Common Warrants will expire on the 18-month anniversary of the Initial Exercise Date.

We have retained A.G.P./Alliance Global Partners and Brookline Capital Markets, a division of Arcadia Securities, LLC, to act as our exclusive placement agents (together, the “Placement Agents”) in connection with this offering. A.G.P./Alliance Global Partners is acting as lead placement agent and Brookline Capital Markets, a division of Arcadia Securities, LLC, is acting as co-placement agent. The Placement Agents have agreed to use their reasonable best efforts