CastleKnight Master Fund LP Increases Stake in Community Health Systems Inc to 9%

On May 15, 2026, CastleKnight Master Fund LP and associated entities, including Aaron Weitman, filed a Schedule 13G/A (Amendment No. 4) regarding their holdings in Community Health Systems Inc (CYH). The filing reports that the group has acquired a significant position of 12,667,586 shares of common stock, representing a 9.0% ownership stake in the company. This marks a substantial increase from a previously reported 0.0% position. The reporting group includes CastleKnight Master Fund LP, CastleKnight Fund GP LLC, CastleKnight Management LP, CastleKnight Management GP LLC, Weitman Capital LLC, and Aaron Weitman. All reporting persons share voting and dispositive power over the disclosed shares. The filing was triggered by an event on March 31, 2026, and the securities were acquired in the ordinary course of business, without the intent to influence or change the control of the issuer. Aaron Weitman is identified as the controlling person for the management entities involved.