Cybin (CYBN) adds new Exhibit 99.1 disclosure to existing Form F-10

Rhea-AI Filing Summary

Cybin Inc. filed a Form 6-K as a foreign private issuer for December 2025. The filing states that Exhibit 99.1 from this report is incorporated by reference into Cybin’s existing Form F-10 registration statement, allowing that exhibit to become part of the company’s Canadian shelf-style offering document.

Form 6-K: How Foreign Companies Report to the SEC →

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16
UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of December, 2025.

Commission File Number: 001-40673

Cybin Inc.
(Exact Name of Registrant as Specified in Charter)

100 King Street West, Suite 5600, Toronto, Ontario, M5X 1C9

(Address of principal executive offices)

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

Exhibit 99.1 of this Form 6-K of Cybin Inc. (the "Company") is hereby incorporated by reference into the Registration Statement on Form F-10 (File No. 333-292294) 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.

		CYBIN INC.
		(Registrant)
Date:	December 31, 2025	By:	/s/ Greg Cavers
		Name:	Greg Cavers
		Title:	Chief Financial Officer

EXHIBIT INDEX

99.1 Material Change Report dated December 31, 2025

FAQ

What does Cybin Inc. (CYBN) report in this December 2025 Form 6-K?

Cybin’s Form 6-K for December 2025 mainly updates its existing Form F-10 registration statement. The company incorporates Exhibit 99.1 from this report by reference, making that exhibit legally part of the previously filed shelf registration materials.

How does this Cybin (CYBN) Form 6-K affect its Form F-10 registration?

The Form 6-K specifies that Exhibit 99.1 is incorporated by reference into Cybin’s Form F-10 registration statement. This means whatever is contained in Exhibit 99.1 now forms part of the disclosure available for potential future securities offerings under that F-10.

Which form of annual report does Cybin Inc. (CYBN) use with the SEC?

The filing indicates Cybin uses Form 40-F for its annual reports. This is typical for certain Canadian issuers qualifying as foreign private issuers that can report using the Canadian disclosure system through the SEC.

Who signed Cybin’s December 2025 Form 6-K and in what capacity?

The report is signed on behalf of Cybin Inc. by Greg Cavers as Chief Financial Officer. His signature confirms that the company has duly authorized submission of this Form 6-K and the incorporation of Exhibit 99.1 into the Form F-10.

Why is incorporation by reference in Cybin’s (CYBN) Form 6-K important for investors?

Incorporation by reference lets Cybin update its existing Form F-10 without refiling the entire document. Investors relying on the registration statement must consider Exhibit 99.1 as part of the official disclosure governing potential future securities offerings.