SCHEDULE 13D/A

MOONLAKE IMMUNOTHERAPEUTICS

Class A ordinary share, par value $0.0001 per share · CUSIP: 61559X104

Event date: 2025-11-06

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 L PReported CIK 0000918923

  Shares: 10,235,089.00 · Class: 14.3%

• BVF I GP LLCReported CIK 0001803805

  Shares: 10,235,089.00 · Class: 14.3%

• BIOTECHNOLOGY VALUE FUND II LPReported CIK 0001102444

  Shares: 8,168,838.00 · Class: 11.4%

• BVF II GP LLCReported CIK 0001803806

  Shares: 8,168,838.00 · Class: 11.4%

• Biotechnology Value Trading Fund OS LPReported CIK 0001660683

  Shares: 1,287,768.00 · Class: 1.8%

• BVF Partners OS Ltd.Reported CIK 0001660684

  Shares: 1,287,768.00 · Class: 1.8%

• BVF GP HOLDINGS LLCReported CIK 0001803809

  Shares: 18,403,927.00 · Class: 25.8%

• BVF PARTNERS L P/ILReported CIK 0001055947

  Shares: 19,751,284.00 · Class: 27.7%

• BVF INC/ILReported CIK 0001056807

  Shares: 19,751,284.00 · Class: 27.7%

• LAMPERT MARK NReported CIK 0001233840

  Shares: 19,751,284.00 · Class: 27.7%

• Loy SpikeReported CIK 0001920549

  Shares: 18,985.00 · Class: 0.03%

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