X0508 4 2026-03-16 0000945983 Climb Global Solutions, Inc. CLMB 0001545927 Foster Dale Richard 4 INDUSTRIAL WAY WEST SUITE 300 EATONTOWN NJ 07724 1 1 Chief Executive Officer 0 Common Stock 2026-03-16 4 F 0 635 80.54 D 82190 D Common Stock 2026-03-16 4 S 0 8500 80.50 D 73690 D Shares withheld at vesting of restricted stock for purposes of meeting the reporting person's tax obligations. Represents a weighted-average price. These shares were sold in multiple transactions at prices ranging from $80.50 to $80.81, inclusive. For all transactions reported in this Form 4 utilizing a weighted-average price, the reporting person will provide to the issuer, any security holder of the issuer, or the SEC staff, upon request, information regarding the number of shares sold at each price within the range. /s/ Dale Foster 2026-03-16