Company: SLDE
Filing Date: 2025-06-18
Form Type: 424B4
Source: 0001193125-25-142810
Chunk: 289

Company: Slide Insurance Holdings, Inc.
Filing Date: 2025-06-18
Form: 424B4
Chunk 289
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 $         |       616 |
| Restricted cash - variable interest entity |     |                   |   107,200 |     |         |   107,200 |     |         |       — |     |         |   — |     | $         |   107,200 |
| Fixed-maturity securities                  |     |                   |   270,211 |     |         |   210,249 |     |         |  59,962 |     |         |   — |     |           |   270,211 |
|                                            |     | $                 |   712,573 |     | $       |   652,611 |     | $       |  59,962 |     | $       |   — |     | $         |   712,573 |
| Liabilities:                               |     |                   |           |     |         |           |     |         |         |     |         |     |     |           |           |
| Interest rate swap                         |     | $                 |       296 |     | $       |         — |     | $       |       — |     | $       | 296 |     | $         |       296 |

F-49

Slide Insurance Holdings, Inc.

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)

A financial instrument’s classification within the valuation hierarchy is based upon the lowest level of
input that is significant to the estimated fair value measurement; consequently, if there are multiple significant valuation inputs that are categorized in different levels of the hierarchy, the instrument’s hierarchy level is the lowest level
within which any significant input falls.

The Level 1 category includes cash, restricted cash, money market securities, and other short-term
investments, such as certificates of deposit, and U.S. treasury bonds.

The Level 2 category generally includes corporate and municipal bonds. The
estimated fair value of fixed-maturity investments included in the Level 2 category was based on the market values obtained from pricing services. A number of the Company’s investment-grade corporate bonds are frequently traded in active
markets and traded market prices for these securities existed at December 31, 2024 and 2023. However, these securities were classified as Level 2 at December 31, 2024 and 2023 because the third-party pricing services from which the