X0609 4 2026-04-27 0001886428 Slide Insurance Holdings, Inc. SLDE 0002032356 Lucas Shannon false C/O SLIDE INSURANCE HOLDINGS, INC. 4221 W. BOY SCOUT BLVD., SUITE 200 TAMPA FL 33607 true true true false President & COO true Common Stock 2026-04-27 4 S false 13500 18.75 D 1357398 I By Securus Risk Management, LLC Common Stock 2026-04-28 4 S false 15251 18.94 D 1342147 I By Securus Risk Management, LLC Common Stock 2026-04-29 4 S false 18917 19.24 D 1323230 I By Securus Risk Management, LLC Common Stock 208101 D Common Stock 1137546 I By Spouse Common Stock 36571004 I By Spouse Common Stock 1925000 I By Spouse Common Stock 1925000 I By Spouse Common Stock 2575837 I By Spouse Sold pursuant to a 10b5-1 trading plan adopted by the Reporting Person on November 21, 2025. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.60 to $19.05 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. The securities reported herein are held by Securus Risk Management LLC, which is an entity controlled by the Reporting Person. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.75 to $19.15 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represents the weighted average price of the shares sold. The prices of the shares sold pursuant to the transactions ranges from $18.77 to $19.78 per share. The Reporting Person, upon request, will provide the Securities and Exchange Commission staff, the issuer or a security holder of the issuer full information regarding the number of shares sold at each separate price. Represent shares of common stock beneficially owned by the Reporting Person's spouse. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. The amount shown reflects the amount owned by the Reporting Person's spouse after the sale of 481,983 shares of common stock between April 27-29, 2026, pursuant to a 10b5-1 trading plan, at prices ranging from $18.60 to $19.78 per share. Represent shares of common stock beneficially owned by the Reporting Person's spouse through IIM Holdings II, LLC. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. Represent shares held through the Emma Cloonen Irrevocable Trust, of which the Reporting Person's spouse is the trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. Represent shares held through the Ava Cloonen Irrevocable Trust, of which the Reporting Person's spouse is the trustee. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. Represent shares of common stock held by the Reporting Person's spouse through Bruce Lucas Irrevocable Grantor Retained Annuity Trust of 2014. The Reporting Person disclaims beneficial ownership of these securities except to the extent of her pecuniary interest therein, and the inclusion of these shares in this report shall not be deemed an admission of beneficial ownership of all of the reported shares for purposes of Section 16 or for any other purpose. /s/ Andy Omiridis, Attorney-in-Fact for Shannon Lucas 2026-04-29