X0609 4 2026-09-02 0 0001425450 ORTHOPEDIATRICS CORP KIDS 0001719217 Pelizzon David R false C/O SQUADRON CAPITAL LLC 18 HARTFORD AVE., PO BOX 223 GRANBY CT 06035 1 0 1 0 0 Common Stock 2026-09-02 4 S 0 22500 23.35 D 6504133 I See footnote Common Stock 44384 D This sale was undertaken by Squadron Capital LLC to provide additional capital for its other portfolio businesses. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.01 to $23.74, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. These shares are held by Squadron Capital LLC ("Squadron"). As the President and a member of the Managing Committee of Squadron, the reporting person may be deemed to be the beneficial owner of these shares. The reporting person expressly disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest therein. The inclusion of these shares in this report shall not be deemed to be an admission of beneficial ownership for purposes of Section 16 or for any other purpose. Includes restricted stock awards totaling 17,959 shares. /s/ Daniel J. Gerritzen, Attorney-in-Fact 2026-09-04