Company: SLDE
Filing Date: 2025-06-18
Form Type: 424B4
Source: 0001193125-25-142810
Chunk: 288

Company: Slide Insurance Holdings, Inc.
Filing Date: 2025-06-18
Form: 424B4
Chunk 288
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. Notes to Consolidated Financial Statements For the years ended December 31, 2024 and 2023 (Dollar amounts in thousands, except share and per share amounts, unless otherwise stated)

| 6. | Fair Value of Financial Assets and Liabilities |

Valuation Hierarchy The FASB established a valuation hierarchy for disclosure of the inputs used to measure estimated fair value. This hierarchy categorizes the inputs into three broad levels as follows:

| • |     | Level 1 inputs to the valuation methodology are unadjusted quoted prices in active markets for identical 
 assets or liabilities.                                                                                   |

| • |     | Level 2 inputs to the valuation methodology are quoted prices for similar assets or liabilities in active                                                                                  
 markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument. |

| • |     | Level 3 inputs are unobservable inputs that are supported by little or no market activity and are                                                                                                                                       
 significant to the determination of estimated fair value of the assets or liabilities. Unobservable inputs reflect the entity’s assumptions about the assumptions that market participants would use in pricing the asset or liability. |

The following table presents by level the financial assets carried at estimated fair value measured on a recurring basis as of December 31. The table does not include assets which are measured at historical cost or any basis other than estimated fair value.

|                                            |     | December 31, 2024 |           |     |         |           |     |         |         |     |         |     |     |           |           |
|:-------------------------------------------|:----|:------------------|----------:|:----|:--------|----------:|:----|:--------|--------:|:----|:--------|----:|:----|:----------|----------:|
|                                            |     | Carrying          
 Value             |           |     | Level 1 |           |     | Level 2 |         |     | Level 3 |     |     | Estimated 
 Fair      
 Value     |           |
| Assets:                                    |     |                   |           |     |         |           |     |         |         |     |         |     |     |           |           |
| Cash and cash equivalents                  |     | $                 |   493,409 |     | $       |   493,409 |     | $       |       — |     | $       |   — |     | $