[6-K] BANK OF MONTREAL /CAN/ Current Report (Foreign Issuer)

Rhea-AI Filing Summary

Bank of Montreal furnished a Form 6-K current report that primarily provides an exhibit index and incorporation-by-reference statement for a registration statement. The filing designates that Forms 40-F and 6-K and any exhibits will be deemed filed with the SEC solely for incorporation by reference into the registrant's F-3 registration statement, File No. 333-285508. The document lists legal opinion exhibits from U.S. counsel Sullivan & Cromwell LLP and Canadian counsel Osler, Hoskin & Harcourt LLP, plus their consents, and is signed by Paras Jhaveri, Global Head, Capital and Funding, dated September 22, 2025.

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16

of the Securities Exchange Act of 1934

For the month of: September, 2025

Commission File Number: 001-13354

BANK OF MONTREAL

(Name of Registrant)

100 King Street West 1 First Canadian Place		129 rue Saint-Jacques
Toronto, Ontario		Montreal, Quebec
Canada, M5X 1A1		Canada, H2Y 1L6
(Executive Offices)		(Head Office)

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

Form 20-F ☐ Form 40-F ☒

INCORPORATION BY REFERENCE

The information contained in this Form 6-K and any exhibits hereto shall be deemed filed with the Securities and Exchange Commission (“SEC”) solely for purposes of incorporation by reference into and as part of the following registration statement of the registrant on file with and declared effective by the SEC: 

1. Registration Statement – Form F-3 – File No. 333-285508

EXHIBIT INDEX
Exhibit		Description of Exhibit
5.1		Opinion of Sullivan & Cromwell LLP, U.S. counsel to the Bank.
5.2		Opinion of Osler, Hoskin & Harcourt LLP, Canadian counsel to the Bank.
23.1		Consent of Sullivan & Cromwell LLP (included in Exhibit 5.1 above).
23.2		Consent of Osler, Hoskin & Harcourt LLP (included in Exhibit 5.2 above).

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, thereunto duly authorized.

				BANK OF MONTREAL
				By:		/s/Paras Jhaveri
				Name:		Paras Jhaveri
				Title:		Global Head, Capital and Funding
Date: September 22, 2025

FAQ

What does the Bank of Montreal 6-K (WTIU) disclose?

The 6-K lists an exhibit index and states that Forms 40-F and 6-K and exhibits will be deemed filed with the SEC only for incorporation by reference into F-3 File No. 333-285508.

Which counsel opinions are attached as exhibits?

Exhibit 5.1 is the opinion of Sullivan & Cromwell LLP (U.S. counsel) and Exhibit 5.2 is the opinion of Osler, Hoskin & Harcourt LLP (Canadian counsel).

Who signed the 6-K for Bank of Montreal and when?

The filing is signed by Paras Jhaveri, Global Head, Capital and Funding, and dated September 22, 2025.

Is there any financial data or transaction disclosed in this 6-K?

No financial tables, earnings data, or major transaction details are included; the content is limited to an exhibit index and incorporation-by-reference language.

Which registration statement will incorporate these exhibits by reference?

The exhibits will be incorporated by reference into the registrant's F-3 registration statement, File No. 333-285508.