Company: INTS
Filing Date: 2025-06-02
Form Type: DEFA14A
Source: 0001567264-25-000051
Chunk: 0

Company: INTENSITY THERAPEUTICS, INC.
Filing Date: 2025-06-02
Form: DEFA14A
Chunk 0
---
### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### WASHINGTON, D.C. 20549

#### SCHEDULE 14A
<div align='center'>Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

(Amendment No. )</div>

Filed by the Registrant [X]

Filed by a Party other than the Registrant [ ]

Check the appropriate box:

| [ ] |     | Preliminary Proxy Statement                                                     |
| [ ] |     | Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) |
| [ ] |     | Definitive Proxy Statement                                                      |
| [X] |     | Definitive Additional Materials                                                 |
| [ ] |     | Soliciting Material Under §240.14a-12                                           |

| Intensity Therapeutics, Inc.                     |
| (Name of Registrant as Specified In Its Charter) |

| (Name of Person(s) Filing Proxy Statement, if other than the Registrant) |

Payment of Filing Fee (Check all boxes that apply):

| [X] |     | No fee required                                                                                     |
| [ ] |     | Fee paid previously with preliminary materials                                                      |
| [ ] |     | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |