Company: INTS
Filing Date: 2025-06-02
Form Type: DEF 14A
Source: 0001567264-25-000050
Chunk: 3

Company: INTENSITY THERAPEUTICS, INC.
Filing Date: 2025-06-02
Form: DEF 14A
Chunk 3
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HOLDER PROPOSALS AND NOMINATIONS FOR DIRECTOR                                        |     | 34 |     |      |

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#### Intensity Therapeutics, Inc.

#### 1 Enterprise Drive, Suite 430

#### Shelton, CT 06484

#### PROXY STATEMENT FOR INTENSITY THERAPEUTICS, INC.
<div align='center'>2025 ANNUAL MEETING OF STOCKHOLDERS TO BE HELD ON JULY 17, 2025</div>

This proxy statement, along with the accompanying notice of 2025 annual meeting of stockholders, contains information about the 2025 annual meeting of stockholders of Intensity Therapeutics, Inc., including any adjournments or postponements of the annual meeting. We are holding the annual meeting at 10:30 a.m., Eastern Time, on Wednesday, July 17, 2025, virtually at www.virtualshareholdermeeting.com/INTS2025.

In this proxy statement, we refer to Intensity Therapeutics, Inc. as “Intensity,” “the Company,” “we” and “us.”

This proxy statement relates to the solicitation of proxies by our board of directors for use at the annual meeting.

On or about June 2, 2025, we intend to begin sending to our stockholders the Important Notice Regarding the Availability of Proxy Materials containing instructions on how to access our proxy statement for our 2025 annual meeting of stockholders and our 2024 annual report to stockholders.

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### IMPORTANT NOTICE REGARDING THE AVAILABILITY OF PROXY MATERIALS FOR THE

#### STOCKHOLDER MEETING TO BE HELD ON JULY 17, 2025
This proxy statement, the notice of 2025 annual meeting of stockholders, our form of proxy card and our 2024 annual report to stockholders are available for viewing, printing and downloading at www.virtualshareholdermeeting.com/INTS2025

#### .

To view these materials please have your 16-digit control number(s) available that appears on your Internet Availability Notice or proxy card. On this website, you can also elect to receive future distributions of our proxy statements and annual reports to stockholders by electronic delivery.

Additionally, you can find a copy of our Annual Report on Form 10-K, which includes our financial statements for the fiscal year ended December 31, 2024, on the website of the Securities and Exchange Commission, or the SEC,