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6-K

Solaris Resources Inc. (SLSR)

6-K 2025-07-29 For: 2025-07-29
View Original
Added on April 11, 2026

UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington, D.C. 20549

FORM 6-K


Report of Foreign Private IssuerPursuant to Rule 13a-16 or 15d-16 ofthe Securities Exchange Act of 1934


For the month of July 2025


Commission File Number 001-42015


Solaris Resources Inc.

(Translation of registrant’s name into English)

Neuhofstrasse 5A BaarSwitzerland 6340

(Address of principal executive offices)


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

Form 20-F ☐           Form 40-F ☒

The following documents are being submitted herewith:

Exhibit Description
99.1 Notice of Change of Auditor
99.2 KPMG Notice Response Letter to Securities Commissions
99.3 BDO Notice Response Letter to Securities Commissions
1

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.

Solaris Resources Inc.
(Registrant)
Date: July<br> 29, 2025 By: /s/<br> Richard Hughes
Name: Richard Hughes
Title: Chief Financial Officer<br> and Secretary

2

Exhibit 99.1

Solaris Resources Inc.

(the “Company”)


NOTICE OF CHANGE OF AUDITOR

(National Instrument 51-102– Continuous Disclosure Obligations)

TO: British Columbia Securities Commission, as principal regulator<br><br> <br>Alberta Securities Commission<br><br> <br>Financial and Consumer Affairs Authority of Saskatchewan<br><br> <br>The Manitoba Securities Commission<br><br> <br>Ontario Securities Commission<br><br> <br>Autorité des marchés financiers (Québec)<br><br> <br>Financial and Consumer Services Commission (New Brunswick)<br><br> <br>Nova Scotia Securities Commission<br><br> <br>Financial and Consumer Services Division (Prince Edward Island)<br><br> <br>Office of the Superintendent of Securities Newfoundland and Labrador<br><br> <br>Office of the Yukon Superintendent of Securities<br><br> <br>Northwest Territories Office of the Superintendent of Securities<br><br> <br>Office of the Superintendent of Securities Nunavut
AND TO: KPMG LLP, Chartered Professional Accountants (“KPMG”) BDO Canada LLP (“BDO”)
RE: Notice Regarding Change of Auditor Pursuant to Section<br>4.11 of National Instrument 51-102 – Continuous Disclosure Obligations (“NI 51-102”)

The Company hereby gives notice pursuant to section 4.11 of NI 51-102 as follows:

1. Effective June 25, 2025 (the “Effective Date”),<br>KPMG has resigned as auditor of the Company on its own initiative.
2. BDO has been appointed as auditor of the Company to fill the<br>vacancy, to hold office commencing on the Effective Date until the close of the next annual meeting of shareholders of the Company.
--- ---
3. The resignation of KPMG and appointment of BDO were considered<br>and approved by the Company’s audit committee and board of directors.
--- ---
4. There have been no modified opinions in the reports from KPMG<br>on the Company’s financial statements for the period commencing at the beginning of the Company’s two most recently completed<br>financial years and ending on the Effective Date.
--- ---
5. In the opinion of the Company, as at the date hereof, there<br>have been no reportable events (as defined in NI 51-102) in connection with the audits for the period commencing at the beginning of<br>the Company’s two most recently completed financial years and ending on the Effective Date.
--- ---

DATED this 25th day of June, 2025.

SOLARIS RESOURCES INC.
By: (signed) “Richard Hughes”
Name: Richard Hughes
Title: Chief Financial Officer

Solaris - Signature Page toNotice of Change of Auditor

Exhibit 99.2

KPMG LLP

777 Dunsmuir Street

Vancouver, BC V7Y 1K3

Canada

Tel 604-691-3000

Fax 604-691-3031

www.kpmg.ca

Alberta Securities Commission

Autorité des marchés financiers, Québec

British Columbia Securities Commission

Financial and Consumer Affairs Authority of Saskatchewan

Financial and Consumer Services Commission, New Brunswick

Nova Scotia Securities Commission

Financial and Consumer Services Division, Prince Edward Island

Office of the Superintendent of Securities Service Newfoundland & Labrador

Ontario Securities Commission

Office of the Superintendent of Securities Nunavut Securities

Manitoba Securities Commission

Office of the Superintendent of Securities, Northwest Territories

Office of the Yukon Superintendent of Securities

Dear Sir/Madam

Re: Notice of Change of Auditors of Solaris Resources Inc.

We have read the Notice of Solaris Resources Inc. dated June 25, 2025 and are in agreement with the statements contained in such Notice.

Yours very truly,

Chartered Professional Accountants

June 27, 2025

Vancouver, Canada

KPMG<br> LLP, an Ontario limited liability partnership and member firm of the KPMG global<br><br> organization of independent member firms affiliated<br> with KPMG International Limited, a private<br><br> English company limited by guarantee. KPMG Canada provides services to KPMG LLP.

Exhibit 99.3

Tel: (604) 688-5421 BDO Canada LLP
Fax: (604) 688-5132<br><br> ww.bdo.ca Royal Centre, 1055 West Georgia Street<br><br> Unit 1100, P.O. Box 11101
Vancouver, British Columbia <br><br>6E 3P3

June 25, 2025

British Columbia Securities Commission, as principal regulator

Alberta Securities Commission

Financial and Consumer Affairs Authority of Saskatchewan

The Manitoba Securities Commission

Ontario Securities Commission

Autorité des marchés financiers (Québec)

Financial and Consumer Services Commission (New Brunswick)

Nova Scotia Securities Commission

Financial and Consumer Services Division (Prince Edward Island)

Office of the Superintendent of Securities Newfoundland and Labrador

Office of the Yukon Superintendent of Securities

Northwest Territories Office of the Superintendent of Securities

Office of the Superintendent of Securities Nunavut

Dear Sirs/Mesdames:

Re: Solaris Resources Inc. (the “Company”)

As required under section 4.11 of National Instrument 51-102, we have read the Company’s Change of Auditor Notice dated June 25, 2025 (“the Notice”).

We confirm our agreement with the information contained in the Notice pertaining to our firm.

Yours very truly,

Chartered Professional Accountants

BDO Canada LLP, a Canadian limited liability partnership, is a member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms.