SCHEDULE 13D/A

EDESA BIOTECH INC

Common Shares, without par value · CUSIP: 27966L306

Event date: 2026-02-26

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

• Velan Capital Master Fund LPReported CIK 0001964356

  Shares: 569,075.00 · Class: 6.8%

• Velan Horizon Fund LPReported CIK 0002057740

  Shares: 15,625.00 · Class: 0.2%

• Velan Capital Opportunity Fund II LLCReported CIK 0002057744

  Shares: 250,000.00 · Class: 3.0%

• Velan Horizon GP LLCReported CIK 0002057821

  Shares: 15,625.00 · Class: 0.2%

• Velan Capital Holdings LLCReported CIK 0001964353

  Shares: 819,075.00 · Class: 9.8%

• Velan Capital Investment Management LPReported CIK 0001848809

  Shares: 834,700.00 · Class: 9.99%

• Velan Capital Management LLCReported CIK 0001964355

  Shares: 834,700.00 · Class: 9.99%

• Morgan AdamReported CIK 0001964335

  Shares: 834,700.00 · Class: 9.99%

• VENKATARAMAN BALAJIReported CIK 0001114916

  Shares: 834,700.00 · Class: 9.99%

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