SCHEDULE 13G/A

N/A

Common stock, par value $0.001 per share · CUSIP: 282559103

Event date: 2025-03-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Deep Track Capital, LP

  Shares: 13,816,333.00 · Class: 9.18%

• Deep Track Biotechnology Master Fund, Ltd.

  Shares: 13,816,333.00 · Class: 9.18%

• David Kroin

  Shares: 13,816,333.00 · Class: 9.18%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.