Company: WBI
Filing Date: 2025-09-18
Form Type: 424B4
Source: 0001193125-25-206805
Chunk: 443

Company: WaterBridge Infrastructure LLC
Filing Date: 2025-09-18
Form: 424B4
Chunk 443
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, 2024, the WB II Incentive Units were fully vested. For the year ended December 31, 2023, the remaining unrecognized compensation expense for the WB II Incentive Units was $0.6 million and the weighted average remaining vesting period was approximately 1.0 years. There were no departures requiring accelerated vesting during 2024 and 2023.

<div align='center'>F-84</div>

### Notes to the Consolidated Financial Statements
Changes in the allocated vested and unvested fair value of the Incentive Units for the years ended December 31, 2024 and 2023 were as follows (in thousands):

| Recurring:                |     |   |         |   |
|:--------------------------|:----|:--|--------:|:--|
| Balance January 1, 2023   |     | $ |  33,822 |   |
| Remeasurements            |     |   | (17,889 | ) |
| Balance December 31, 2023 |     | $ |  15,933 |   |
| Remeasurements            |     |   |   5,330 |   |
| Balance December 31, 2024 |     | $ |  21,263 |   |

Defined Contribution Plan WaterBridge Management Company LLC, a subsidiary of the Company (“Management Co”), sponsors a defined contribution plan available to all eligible employees. Qualifying participants receive a matching contribution based on the amount participants contribute to the plan up to 7% of their qualifying compensation. Contributions of $2.0 million and $1.8 million were made during the years ended December 31, 2024 and 2023, respectively. 12. Related Party Transactions Below is a summary of our related party transaction as reported on our consolidated balance sheets and consolidated statements of operations for the years ended December 31, 2024 and 2023:

|                                        |     |                                         | Financial Statements Location | Year Ended December 31, |  2024 |     |      |   2023 |
|:---------------------------------------|:----|:----------------------------------------|:------------------------------|------------------------:|------:|:----|-----:|-------:|
| Revenues - Related Party               |     |                                         |                               |                         |       |     |      |        |
| Customer Agreement                     |     | Produced water handling - related party |                               |                       $ |