Company: INTS
Filing Date: 2025-06-02
Form Type: DEF 14A
Source: 0001567264-25-000050
Chunk: 0

Company: INTENSITY THERAPEUTICS, INC.
Filing Date: 2025-06-02
Form: DEF 14A
Chunk 0
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### 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)) |
| [X] |     | Definitive Proxy Statement                                                      |
| [ ] |     | 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 |

#### Intensity Therapeutics, Inc.

#### 1 Enterprise Drive, Suite 430

#### Shelton, CT 06484

#### June 2, 2025
To Our Stockholders:

You are cordially invited to attend the 2025 annual meeting of stockholders of Intensity Therapeutics, Inc. (the “Company”) to be held at 10:30 a.m. Eastern Time on July 17, 2025. We have decided to hold this year’s annual meeting virtually via live audio webcast on the internet. We believe hosting a virtual annual meeting enables greater stockholder attendance and participation from any location around the world, improves meeting efficiency and our ability to communicate effectively with our stockholders, and reduces the cost and environmental impact of our annual meeting. You will be able to attend the annual meeting, vote and submit your questions during the annual meeting by visiting www.virtualshareholdermeeting.com/INTS2025. You will not be able to attend the annual meeting in person.

Details regarding the meeting, the business to be