Company: MDCXW
Filing Date: 2025-06-20
Form Type: 424B3
Source: 0001062993-25-012000
Chunk: 3

Company: Medicus Pharma Ltd.
Filing Date: 2025-06-20
Form: 424B3
Chunk 3
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 of certain events of default. The Debentures will mature on February 2, 2026. The foregoing descriptions of the Purchase Agreement, Guaranty and Debentures do not purport to be complete and are qualified in their entirety by reference to the full text of such documents, and with respect to the Debentures, a form thereof, which were filed as Exhibits 10.1, 10.2 and 4.1, respectively, to that certain Current Report on Form 8-K filed by the Company on May 5, 2025, and are incorporated herein by reference. Item 2.03. Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information contained in Item 1.01 of this Current Report on Form 8-K is incorporated by reference herein in its entirety. Item 9.01. Financial Statements and Exhibits. (d) Exhibits.

| Exhibit 
 No.     
 4.1*    
 10.1*   |     | Description                                                                                                                                                                                                                                              
 Form of Debenture (incorporated herein by reference to Exhibit 4.1 to the Company's Current Report on Form 8-K, filed on May 5, 2025).                                                                                                                   
 Securities Purchase Agreement, by and between Medicus Pharma Ltd. and YA II PN, Ltd., dated May 2, 2025 (incorporated herein by reference to Exhibit 10.1 to the Company's Current Report on Form 8-K, filed on May 5, 2025).                            |
|:--------|:----|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| 10.2*   |     | Global Guaranty Agreement, by and among the subsidiaries of Medicus Pharma Ltd. set forth in Schedule I thereto, dated May 2, 2025 (incorporated herein by reference to Exhibit 10.2 to the Company's Current Report on Form 8-K, filed on May 5, 2025). |
| 104     |     | Cover Page Interactive Data File (formatted as Inline XBRL document).                                                                                                                                                                                    |
| *       |     | Previously filed.                                                                                                                                                                                                                                        |

SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

| MEDICUS PHARMA LTD