Company: SLDE
Filing Date: 2025-06-18
Form Type: 424B4
Source: 0001193125-25-142810
Chunk: 0

Company: Slide Insurance Holdings, Inc.
Filing Date: 2025-06-18
Form: 424B4
Chunk 0
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Filed pursuant to Rule 424(b)(4)
Registration No. 333-287556 PROSPECTUS 24,000,000 Shares Slide Insurance Holdings, Inc. Common Stock This is the initial public offering of common stock of Slide Insurance Holdings, Inc. (“Slide”). We are offering 16,666,667 shares of our common stock. The selling stockholders identified in this prospectus, including certain of our directors and officers, are offering an additional 7,333,333 shares of our common stock. Slide will not receive any proceeds from the sale of shares of our common stock by the selling stockholders. Prior to this offering, there has been no public market for our common stock. The initial public offering price of our common stock is $17.00 per share. Our common stock has been approved for listing on the Nasdaq Global Select Market (“Nasdaq”) under the symbol “SLDE.” Investing in our common stock involves risks. See “ Risk Factors ” beginning on page 17. We are an “emerging growth company” as defined in the Jumpstart Our Business Startups Act and will therefore be subject to reduced reporting requirements. See “ Prospectus Summary—Implications of Being an Emerging Growth Company.” Neither the Securities and Exchange Commission nor any state securities commission or regulatory authority has approved or disapproved of these securities or determined if this prospectus is truthful or complete. Any representation to the contrary is a criminal offense.

|                                                      |     | Per   
 Share |       |     | Total |             |
|:-----------------------------------------------------|:----|:------|------:|:----|:------|------------:|
| Initial public offering price                        |     | $     | 17.00 |     | $     | 408,000,000 |
| Underwriting discounts and commissions               |     | $     |  1.19 |     | $     |  28,560,000 |
| Proceeds to Slide before                             
 expenses(1)                                          |     | $     | 15.81 |     | $     | 263,500,005 |
| Proceeds to the selling stockholders before expenses |     | $     | 15.81 |     | $     | 115,939,995 |

| (1) | We have agreed to reimburse the underwriters for certain FINRA-related expenses. See 
 “Underwriting.”                                                                      |

The selling stockholders have granted the underwriters the right to purchase an additional 3,600,000 shares