CastleKnight Master Fund LP Discloses New 5.4% Passive Stake in AMC Global Media Inc. (AMCX)

On May 27, 2026, CastleKnight Master Fund LP and associated entities, including Aaron Weitman, filed a Schedule 13G disclosing a new 5.4% ownership stake in AMC Global Media Inc. (AMCX). The group collectively reported beneficial ownership of 1,762,100 shares of Class A Common Stock. The event triggering this filing occurred on May 19, 2026. 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 shares are held with shared voting and dispositive power. The filing was made under Rule 13d-1(c), indicating a passive investment intent. Aaron Weitman is identified as the controlling person for the entities involved. This represents a significant new position for the filer in the issuer, crossing the 5% threshold required for public disclosure.