Company: INV
Filing Date: 2025-01-30
Form Type: 424B3
Source: 0001628280-25-003193
Chunk: 0

Company: Innventure, Inc.
Filing Date: 2025-01-30
Form: 424B3
Chunk 0
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#### Filed pursuant to Rule 424(b)(3)

#### Registration No. 333-276714

#### Prospectus Supplement No. 12
(To Prospectus dated September 10, 2024)

#### INNVENTURE, INC.
This prospectus supplement updates, amends and supplements the prospectus dated September 10, 2024 (the “Prospectus”), which forms a part of our Registration Statement on Form S-4 (Registration No. 333-276714) and is being filed to update, amend and supplement the information included in the Prospectus with information contained in our Current Report on Form 8-K , which was filed with the Securities and Exchange Commission (the “SEC”) on January 30, 2025 (the “Current Report”). Accordingly, we have attached the Current Report to this prospectus supplement. Capitalized terms used in this prospectus supplement and not otherwise defined herein have the meanings specified in the Prospectus.

This prospectus supplement is not complete without the Prospectus. This prospectus supplement should be read in conjunction with the Prospectus, which is to be delivered with this prospectus supplement, and is qualified by reference thereto, except to the extent that the information in this prospectus supplement updates or supersedes the information contained in the Prospectus. Please keep this prospectus supplement with your Prospectus for future reference.

Shares of our common stock, par value $0.0001 per share (our “Common Stock”), are listed on The Nasdaq Stock Market, LLC under the symbol “INV.” On January 29, 2025, the closing price of our Common Stock was $12.31 per share.

#### Investing in our securities

#### involves risks that are described in the “Ri

#### sk Factors” section of the Prospectus.
Neither the SEC nor any state securities commission has approved or disapproved of the securities to be issued under the Prospectus or this prospectus supplement or determined if the Prospectus or this prospectus supplement is truthful or complete. Any representation to the contrary is a criminal offense.

<div align='center'>The date of this prospectus supplement is January 30, 2025.</div>

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549
#### ___________________________________

#### FORM 8-K
#### ___________________________________

### CURRENT REPORT

#### Pursuant to Section 13 or 15(d)

#### of the Securities Exchange Act of 1934

#### January