144/A 0001958244-26-000430 0001313311 XXXXXXXX LIVE 0001886428 Slide Insurance Holdings, Inc. 001-42707 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607 1-813-748-2030 GRM FAMILY LIMITED PARTNERSHIP Director Common Goldman Sachs & Co. LLC 200 West Street New York NY 10282 225696 4732845.12 114559246 07/06/2026 NASD Common 09/19/2021 Acquired from issuer in private transaction Slide Insurance LLC N 225696 09/19/2021 None N GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607 Common 04/07/2026 28212 508453.59 GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607 Common 05/06/2026 28212 527468.48 GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607 Common 04/06/2026 28212 509455.12 GRM FAMILY LIMITED PARTNERSHIP 4221 W Boy Scout Blvd Suite 200 Tampa FL 33607 Common 05/05/2026 28212 523259.25 This amendment to the filing submitted July 6, 2026 amends the Number of Shares to be Sold. 07/07/2026 12/12/2025 Goldman Sachs & Co. LLC on behalf of Robert D. Gries Jr.