SELECT MEDICAL HOLDINGS CORP (SEM) Form SCHEDULE 13D/A — Jul 1, 2026

Select Medical Holdings Corporation filed an amendment to its Schedule 13D, disclosing the entry into Amended and Restated Rollover Agreements dated June 30, 2026. These agreements relate to the proposed merger with Stallion Group Parent, LP, pursuant to which certain investors will contribute their shares of Select Medical common stock to the acquiror in exchange for equity interests in the new private holding company, thereby waiving their right to receive cash merger consideration. The exhibits specifically list the number of subject securities being rolled over by investors, with one schedule indicating 6,674,010 shares and another indicating 1,138,754 shares.

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