Company: INV
Filing Date: 2025-11-12
Form Type: 424B3
Source: 0001140361-25-041464
Chunk: 228

Company: Innventure, Inc.
Filing Date: 2025-11-12
Form: 424B3
Chunk 228
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975,409 |
| RSUs                       |     |         2,036,476 |
| SARs                       |     |           320,000 |

Note 18. Related Party Transactions As more fully described in Note 5. Borrowings, the Company has various notes with affiliates, including short-term notes with three separate related parties. In addition, the Company had a convertible note to the ESG Fund as part of the 2025 Notes which was converted during the Predecessor period from January 1, 2024 through October 1, 2024. Transactions with Directors As more fully described in Note 14. Stock-based Compensation, the Company issued various equity awards to related parties throughout 2024. On December 9, 2024, the Company issued 1,246,722 RSUs with a grant date fair value of $15,210, and 590,163 stock options with a grant date fair value of $3,913 to a cumulative of 8 directors. On December 31, 2024, the Company issued 200,000 SARs with a grant date fair value of $7,820 to 4 directors and former directors. On March 22, 2024, the Company issued 100,000 Class C Units with a grant date fair value of $441 to 1 director under the Accelsius Subsidiary Equity Plan. Transactions with Innventure1 In 2022, Innventure1 assigned its ownership interest in a portion of the Company’s PCT common stock to investors who are considered related parties of Innventure1 and the Company. The related party liability established in connection with this assignment was revalued to $53 on December 31, 2023. The change in value was included in Net gain on investments - due to related parties in the consolidated statements of operations and comprehensive income (loss). Transactions with the ESG Fund In the normal course of business, the Company advances certain expenses on behalf of the ESG Fund. Certain expenses paid by the Company, which meet certain criteria, are reimbursed to the Company by the ESG Fund. Amounts paid by the Company and reimbursable by the ESG Fund were $105 for the Successor period from

F-45

#### TABLE OF CONTENTS

#### Innventure, Inc. and Subsidiaries

### Notes to Consolidated Financial Statements
<div align='center'>**(in thousands, except share or per share data)**</div>

October 2, 202