SCHEDULE 13D

ESSA PHARMA INC

Common Shares · CUSIP: 29668H708

Event date: 2025-04-09

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

• BIOTECHNOLOGY VALUE FUND LPReported CIK 0000918923

  Shares: 4,712,590.00 · Class: 10.6%

• BVF I GP LLCReported CIK 0001803805

  Shares: 4,712,590.00 · Class: 10.6%

• BIOTECHNOLOGY VALUE FUND II LPReported CIK 0001102444

  Shares: 3,491,779.00 · Class: 7.9%

• BVF II GP LLCReported CIK 0001803806

  Shares: 3,491,779.00 · Class: 7.9%

• Biotechnology Value Trading Fund OS LPReported CIK 0001660683

  Shares: 357,472.00 · Class: 0.8%

• BVF Partners OS Ltd.Reported CIK 0001660684

  Shares: 357,472.00 · Class: 0.8%

• BVF GP HOLDINGS LLCReported CIK 0001803809

  Shares: 8,204,369.00 · Class: 18.5%

• BVF PARTNERS L P/ILReported CIK 0001055947

  Shares: 8,748,629.00 · Class: 19.7%

• BVF INC/ILReported CIK 0001056807

  Shares: 8,748,629.00 · Class: 19.7%

• LAMPERT MARK NReported CIK 0001233840

  Shares: 8,748,629.00 · Class: 19.7%

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