Perceptive Advisors Increases Stake in MeiraGTx Holdings to 12.6% Following Underwritten Offering

Perceptive Advisors LLC, along with Joseph Edelman and Perceptive Life Sciences Master Fund, Ltd., filed an amendment to their Schedule 13D regarding their investment in MeiraGTx Holdings plc (MGTX). As of April 17, 2026, the reporting persons collectively own 11,742,117 ordinary shares, representing 12.6% of the class. This increase follows the Master Fund's purchase of 555,555 ordinary shares at $9.00 per share in an underwritten offering. The filing also details structural changes to their holdings, including an amendment to a Notes Purchase Agreement that adjusted warrant exercise prices to $8.00 per share. The total share count includes 700,000 shares underlying warrants, 115,459 shares from vested stock options, and 140,000 deferred share units held by Ellen Hukkelhoven (Head of Investment Research), to which the reporting persons have rights via a management fee offset. The reporting persons maintain shared voting and dispositive power over the total reported shares.