X0708 D LIVE 0001540159 Edesa Biotech, Inc. 100 SPY COURT MARKHAM A6 ONTARIO, CANADA L3R 5H6 289-800-9600 BRITISH COLUMBIA, CANADA None Stellar Biotechnologies, Inc. Corporation true Sean MacDonald 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Director Pardeep Nijhawan 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Executive Officer Director Carlo Sistilli 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Director Michael Brooks 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Executive Officer Peter Weiler 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Executive Officer Joan Chypyha 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Director Charles Olson 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Director Patrick Marshall 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Director David Liu 100 Spy Court Markham A6 ONTARIO, CANADA L3R 5H6 Director Biotechnology Decline to Disclose 06b false 2026-06-16 false true true false 0 3500000 3499986 14 false 4 0 0 0 true The proceeds from the offering will be used for working capital and general corporate purposes. false Edesa Biotech, Inc. /s/ Peter Weiler Peter Weiler Chief Financial Officer 2026-06-26