Company: CYBN
Filing Date: 2025-08-13
Form Type: 6-K
Source: 0001833141-25-000005
Chunk: 0

Company: CYBIN INC.
Filing Date: 2025-08-13
Form: 6-K
Chunk 0
---
### UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

#### Washington, D.C. 20549

#### Form 6-K
<div align='center'>REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934</div>

For the month of August, 2025.

Commission File Number:

#### 001-40673

#### Cybin Inc.
<div align='center'>(Exact Name of Registrant as Specified in Charter) 100 King Street West, Suite 5600, Toronto, Ontario, M5X 1C9

(Address of principal executive offices)</div>

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F □ Form 40-F ⊠

### INCORPORATION BY REFERENCE
Exhibits 99.1 - 99.2 of this Form 6-K of Cybin Inc. (the "Company") are hereby incorporated by reference into the Registration Statement on Form F-10 ( File No. 333-289139 ) of the Company, as amended or supplemented.

### SIGNATURE
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, thereunto duly authorized.

| Date: |     | August 12, 2025 |     | CYBIN INC.   
 (Registrant) 
 By:          |     | /s/ Doug Drysdale       |
|:------|:----|:----------------|:----|:-------------|:----|:------------------------|
|       |     |                 |     | Name:        |     | Doug Drysdale           |
|       |     |                 |     | Title:       |     | Chief Executive Officer |

### EXHIBIT INDEX