Edesa Biotech, Inc. SEC filings EDSA
Edesa Biotech, Inc. has 751 filings in SEC EDGAR's recent list, going back to Feb 3, 2012. Its latest annual report, Form ARS, was filed on Apr 3, 2026 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Oct 23, 2026 (officer or director change). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 4 | Insider transaction | Nov 5, 2026 | Nov 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 4, 2026 | — |
| 4 | Insider transaction | Oct 29, 2026 | Oct 28, 2026 |
| 8-K |
Current report
Officer or director change
|
Oct 23, 2026 | Oct 23, 2026 |
| 8-K |
Current report
Other events
|
Oct 15, 2026 | Oct 15, 2026 |
| 4 | Insider transaction | Oct 6, 2026 | Oct 5, 2026 |
| 4 | Insider transaction | Sep 1, 2026 | Sep 1, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 26, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 25, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Aug 25, 2026 | — |
| 8-K |
Current report
Material agreement, Other events
|
Aug 20, 2026 | Aug 19, 2026 |
| 424B5 | Prospectus supplement | Aug 20, 2026 | — |
| 424B5 | Prospectus supplement | Aug 19, 2026 | — |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations
|
Aug 13, 2026 | Aug 13, 2026 |
| 4 | Insider transaction | Aug 4, 2026 | Aug 3, 2026 |
| EFFECT | Filing | Jul 13, 2026 | — |
| 424B3 | Prospectus | Jul 13, 2026 | — |
| 4 | Insider transaction | Jul 2, 2026 | Jul 2, 2026 |
| S-3 | Shelf registration | Jul 2, 2026 | — |
| D | Filing | Jun 26, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 18, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jun 16, 2026 | — |
| 4 | Insider transaction | Jun 16, 2026 | Jun 16, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
|
Jun 11, 2026 | Jun 10, 2026 |
| 8-K |
Current report
Other events
|
Jun 5, 2026 | Jun 5, 2026 |
| 4 | Insider transaction | Jun 1, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| S-8 | Employee stock plan registration | May 29, 2026 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 29, 2026 | May 27, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| 8-K |
Current report
Officer or director change
|
May 15, 2026 | May 13, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2026 | — |
| 10-Q | Quarterly report | May 14, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 14, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 1, 2026 | May 1, 2026 |
| 4 | Insider transaction | Apr 10, 2026 | Apr 1, 2026 |
| ARS | Annual report to shareholders | Apr 3, 2026 | Sep 30, 2025 |
| DEFA14A | Additional proxy material | Apr 3, 2026 | — |
| DEF 14A | Proxy statement | Apr 3, 2026 | May 27, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 16, 2026 | — |
| 4 | Insider transaction | Mar 11, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Mar 10, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 6, 2026 | Mar 5, 2026 |
| 4 | Insider transaction | Mar 5, 2026 | Mar 4, 2026 |
| 4 | Insider transaction | Mar 4, 2026 | Mar 3, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 3, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 2, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Mar 2, 2026 | — |
| 4 | Insider transaction | Mar 2, 2026 | Feb 26, 2026 |
| 4 | Insider transaction | Mar 2, 2026 | Feb 19, 2026 |
| 8-K |
Current report
Other events
|
Feb 24, 2026 | Feb 24, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 10-Q | Quarterly report | Feb 13, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Feb 13, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 2, 2026 | Feb 2, 2026 |
| 4 | Insider transaction | Jan 5, 2026 | Jan 5, 2026 |
| 8-K |
Current report
Other events
|
Dec 12, 2025 | Dec 12, 2025 |
| 424B5 | Prospectus supplement | Dec 12, 2025 | — |
| 10-K | Annual report | Dec 12, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Dec 12, 2025 | Dec 12, 2025 |
| 4 | Insider transaction | Dec 2, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Nov 6, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Other events
|
Oct 28, 2025 | Oct 28, 2025 |
| 4 | Insider transaction | Oct 3, 2025 | Oct 2, 2025 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 30, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Sep 12, 2025 | Sep 11, 2025 |
| EFFECT | Filing | Sep 9, 2025 | — |
| 8-K |
Current report
Other events
|
Sep 9, 2025 | Sep 9, 2025 |
| 424B5 | Prospectus supplement | Sep 9, 2025 | — |
| CORRESP | Letter to the SEC | Sep 5, 2025 | — |
| 10-Q | Quarterly report | Aug 8, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 8, 2025 | Aug 8, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Aug 1, 2025 |
| UPLOAD | Letter from the SEC | Jul 30, 2025 | — |
| S-3 | Shelf registration | Jul 25, 2025 | — |
| 4 | Insider transaction | Jul 2, 2025 | Jul 2, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| 4 | Insider transaction | Jun 2, 2025 | May 29, 2025 |
| S-8 | Employee stock plan registration | May 28, 2025 | — |
| 8-K |
Current report
Officer or director change, Shareholder vote results
|
May 28, 2025 | May 28, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | May 15, 2025 | — |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 14, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 6, 2025 | May 2, 2025 |
| 3 | Initial insider ownership | May 2, 2025 | May 1, 2025 |
| ARS | Annual report to shareholders | Apr 4, 2025 | Sep 30, 2024 |
| DEFA14A | Additional proxy material | Apr 4, 2025 | — |
| DEF 14A | Proxy statement | Apr 4, 2025 | May 28, 2025 |
| 8-K |
Current report
Officer or director change, Other events
|
Apr 4, 2025 | Apr 3, 2025 |
| 4 | Insider transaction | Apr 3, 2025 | Apr 1, 2025 |
| EFFECT | Filing | Mar 11, 2025 | — |
| 424B3 | Prospectus | Mar 11, 2025 | — |
| CORRESP | Letter to the SEC | Mar 7, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 7, 2025 | — |
| UPLOAD | Letter from the SEC | Mar 4, 2025 | — |
| S-3 | Shelf registration | Mar 4, 2025 | — |
| 4 | Insider transaction | Mar 3, 2025 | Mar 3, 2025 |
| CORRESP | Letter to the SEC | Feb 26, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 25, 2025 | — |
| UPLOAD | Letter from the SEC | Feb 20, 2025 | — |
| 3 | Initial insider ownership | Feb 18, 2025 | Feb 12, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Feb 18, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 18, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 14, 2025 | — |
| D | Filing | Feb 14, 2025 | — |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 12, 2025 |
| 10-Q | Quarterly report | Feb 14, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 14, 2025 | Feb 14, 2025 |
| 8-K |
Current report
Material agreement, Unregistered share sale, Change to shareholder rights, Officer or director change, Bylaw or fiscal year change, Other events
|
Feb 13, 2025 | Feb 12, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 4, 2025 | Feb 3, 2025 |
| 4 | Insider transaction | Jan 6, 2025 | Jan 6, 2025 |
| 10-K/A | Amended annual report | Dec 20, 2024 | Sep 30, 2024 |
| 10-K | Annual report | Dec 13, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Dec 13, 2024 | Dec 13, 2024 |
| 4 | Insider transaction | Dec 3, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Nov 12, 2024 | Nov 12, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 1, 2024 | — |
| 4 | Insider transaction | Nov 1, 2024 | Oct 30, 2024 |
| 8-K |
Current report
Material agreement, Agreement ended, New debt, Unregistered share sale, Change to shareholder rights, Bylaw or fiscal year change
|
Oct 31, 2024 | Oct 30, 2024 |
| 424B5 | Prospectus supplement | Oct 4, 2024 | — |
| 8-K |
Current report
Material agreement, Agreement ended
|
Oct 4, 2024 | Oct 3, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Oct 2, 2024 |
| 4 | Insider transaction | Sep 3, 2024 | Sep 3, 2024 |
| 10-Q | Quarterly report | Aug 9, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2024 | Aug 9, 2024 |
| 4 | Insider transaction | Aug 2, 2024 | Aug 1, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 2, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 24, 2024 | Jun 24, 2024 |
| 4 | Insider transaction | Jun 4, 2024 | Jun 3, 2024 |
| SC 13G | Ownership over 5% (passive) | Jun 3, 2024 | — |
| S-8 | Employee stock plan registration | May 31, 2024 | — |
| 8-K |
Current report
Officer or director change
|
May 30, 2024 | May 30, 2024 |
| 10-Q | Quarterly report | May 10, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations
|
May 10, 2024 | May 10, 2024 |
| 4 | Insider transaction | May 1, 2024 | May 1, 2024 |
| ARS | Annual report to shareholders | Apr 5, 2024 | Sep 30, 2023 |
| DEFA14A | Additional proxy material | Apr 5, 2024 | — |
| DEF 14A | Proxy statement | Apr 5, 2024 | Apr 3, 2024 |
| 4 | Insider transaction | Apr 2, 2024 | Apr 1, 2024 |
| 4 | Insider transaction | Mar 25, 2024 | Mar 25, 2024 |
| 4 | Insider transaction | Mar 1, 2024 | Mar 1, 2024 |
| 10-Q | Quarterly report | Feb 9, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Feb 9, 2024 | Feb 9, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Feb 1, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Jan 16, 2024 | — |
| 4 | Insider transaction | Jan 12, 2024 | Jan 8, 2024 |
| 10-K | Annual report | Dec 15, 2023 | Sep 30, 2023 |
| 8-K |
Current report
Results of operations
|
Dec 15, 2023 | Dec 15, 2023 |
| 8-K |
Current report
Other events
|
Oct 26, 2023 | Oct 25, 2023 |
| 8-K |
Current report
Material agreement, New debt
|
Oct 23, 2023 | Oct 20, 2023 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure, Other events
|
Oct 12, 2023 | Oct 12, 2023 |
| 8-K |
Current report
Change to shareholder rights, Other events
|
Oct 11, 2023 | Oct 10, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Aug 21, 2023 | — |
| 10-Q | Quarterly report | Aug 9, 2023 | Jun 30, 2023 |
| 8-K |
Current report
Results of operations
|
Aug 9, 2023 | Aug 9, 2023 |
| 4 | Insider transaction | Aug 4, 2023 | Aug 4, 2023 |
| 4 | Insider transaction | Aug 4, 2023 | Aug 4, 2023 |
| 4 | Insider transaction | Aug 4, 2023 | Aug 4, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4/A | Form 4a | Jul 24, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
| 4 | Insider transaction | Jul 21, 2023 | Jul 20, 2023 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- EDSA (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- British Columbia, Canada
- Headquarters
- Toronto
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1540159
- Former names
- Stellar Biotechnologies, Inc. (until May 30, 2019)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.