# EDGAR Filing Document

**Accession Number:** 0001641229
**File Stem:** 0001279569-26-000434
**Filing Date:** 2026-5
**Character Count:** 13580
**Document Hash:** 3c0a84ea15cca27015fd6ce31df948de
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001279569-26-000434.hdr.sgml**: 20260513

**ACCESSION NUMBER**: 0001279569-26-000434

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 4

**CONFORMED PERIOD OF REPORT**: 20260513

**FILED AS OF DATE**: 20260513

**DATE AS OF CHANGE**: 20260513

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** First Mining Gold Corp.
- **CENTRAL INDEX KEY:** 0001641229
- **STANDARD INDUSTRIAL CLASSIFICATION:** GOLD & SILVER ORES [1040]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 000000000
- **STATE OF INCORPORATION:** A1
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-55607
- **FILM NUMBER:** 26971849

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** SUITE 2070 - 1188 WEST GEORGIA ST.
- **CITY:** VANCOUVER
- **PROVINCE COUNTRY:** A1
- **ZIP:** V6E 4A2
- **BUSINESS PHONE:** (604) 306-8827

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** SUITE 2070 - 1188 WEST GEORGIA ST.
- **CITY:** VANCOUVER
- **PROVINCE COUNTRY:** A1
- **ZIP:** V6E 4A2

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** First Mining Finance Corp.
- **DATE OF NAME CHANGE:** 20150504

**UNITED STATES**<br> **SECURITIES AND EXCHANGE COMMISSION**<br> **Washington, D.C. 20549**

**Form 6-K**

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

**For the month of May 2026**

Commission File Number: **000-55607**

**<u>First Mining Gold Corp.</u>**<br> (Translation of registrant's name into English)

**<u>Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2</u>**<br> (Address of principal executive 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 ☒

**DOCUMENTS FILED AS PART OF THIS FORM 6-K**

---

| | |
|:---|:---|
| **Exhibits** | **Description** |
| [99.1](ex991.htm) | [Press Release dated May 13, 2026](ex991.htm) |

---

**<u>SIGNATURES</u>**

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.

---

| | |
|:---|:---|
|  |  **<u>First Mining Gold Corp.</u>** |
|  | (Registrant) |
| Date: May 13, 2026 | <u>/s/ Richard Huang</u> |
|  | Richard Huang |
|  | Vice President, Corporate Development & Corporate Secretary |

---

## Exhibit 99.1

**Exhibit 99.1**

---

| | |
|:---|:---|
| ![](fmglogo.jpg) | ![](header.jpg) |

---

**First Mining Announces 2026 First Quarter Financial Results and Operating Highlights**

VANCOUVER, BC, May 13, 2026 /CNW/ - **First Mining Gold Corp. ("First Mining" or the "Company")** (TSX: FF) (OTCQX: FFMGF) (FRANKFURT: FMG) reports its first quarter financial results for the quarter ended March 31, 2026. The financial statements and management's discussion and analysis ("MD&A") are available on First Mining's website at www.firstmininggold.com/investors/reports-filings/financials/ and have been posted under the Company's profile on SEDAR+ at www.sedarplus.ca and EDGAR at www.sec.gov.

**Q1 2025 and Q2 QTD Highlights:**

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• On April 29, 2026, the Company announced that pursuant to the announcement
on February 3, 2026, the Company's new joint-venture partner at First Mining's Pickle Crow Gold Project ()"**Pickle Crow** "),
Bellavista Resources Ltd ()"**Bellavista** "), closed the acquisition of Firefly Metal Ltd's interest in PC Gold Inc., the
entity that holds Pickle Crow. Bellavista exercised its buy-down right at Pickle Crow and paid $3 million in cash to the Company to reduce
the Company's ownership in PC Gold from 30% to 20%. The Company's interest in PC Gold Inc. is free carried to a decision to mine at Pickle
Crow.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• On April 23, 2026, the Company announced that following discussions with the
Impact Assessment Agency of Canada ()"**IAAC** "), the Company has voluntarily agreed to a short extension to the Environmental
Assessment ()"**EA**") decision date on the Springpole Gold Project ()"**Springpole Project**") until June 30,
2026. The Company also announced that Cat Lake and Lac Seul First Nations have completed their independent Anishinaabe Led Impact Assessment
(" **ALIA**") on the Springpole Project and are preparing to vote, based on the findings of the ALIA, on June 4, 2026.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• On March 10, 2026, the Company closed the sale of the Cameron Gold Project
to Seva Mining and received $5 million in cash, 80 million common shares of Seva Mining and a future cash payment of at least $2 million.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• On March 9, 2026, the Company announced additional results from the 2025 Duparquet
drilling program at the Miroir target including drill hole DUP25-081 returning 1.56 g/t Au over 33.15m, including 3.18 g/t Au over 7.60m.
Drill hole DUP25-085 returned 3.74 g/t Au over 15.5m and 7.18 g/t Au over 8.0m, including 30.58 g/t Au over 1.65m. Drilling at the Miroir
target has been building potential for a strong resource growth zone, and will remain a key focus of the 2026 drilling campaign.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• On February 24, 2026, the Company filed a final short form base shelf prospectus
with the securities regulatory authorities in each of the provinces and territories of Canada, and a corresponding registration statement
on Form F-10 with the United States Securities and Exchange Commission.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• In Q1 2026, the Company is continuing to actively advance geotechnical, geochemical,
and hydrogeological data collection around key proposed project infrastructure areas at the Springpole Project. These work programs are
expected to continue through 2026, supporting ongoing technical studies and project derisking initiatives.

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;• As of March 31, 2026, the Company's cash and marketable securities balance
was $44.8 million, equity investment value of Seva Mining was $30 million<sup>(1)</sup> and the equity interest in PC Gold Inc. was $21.5
million.

(1) $30
 million Seva Mining value based on 80 million shares multiplied by C$0.375 closing share price of Seva on March 31, 2026.

**About First Mining Gold Corp.**

First Mining is a gold developer advancing two of the largest gold projects in Canada, the Springpole Gold Project in northwestern Ontario, where permitting activities are on-going with a final Environmental Impact Statement / Environmental Assessment for the project submitted in November 2024, and the Duparquet Gold Project in Quebec, a PEA-stage development project located on the Destor-Porcupine Fault Zone in the prolific Abitibi region. First Mining also owns a 20% project interest in the Pickle Crow Gold Project and large equity interest in Seva Mining Corp.

First Mining was established in 2015 by Mr. Keith Neumeyer, founder and CEO of First Majestic Silver Corp.

**ON BEHALF OF FIRST MINING GOLD CORP.**

Daniel W. Wilton<br> *Chief Executive Officer and Director*

***Cautionary Note Regarding Forward-Looking Statements***

*This news release includes certain "forward-looking information" and "forward-looking statements" (collectively "forward-looking statements") within the meaning of applicable Canadian and United States securities legislation including the United States Private Securities Litigation Reform Act of 1995. These forward-looking statements are made as of the date of this news release. Forward-looking statements are frequently, but not always, identified by words such as "expects", "anticipates", "believes", "plans", "projects", "intends", "estimates", "envisages", "potential", "possible", "strategy", "goals", "opportunities", "objectives", or variations thereof or stating that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved, or the negative of any of these terms and similar expressions.*

*Forward-looking statements in this news release relate to future events or future performance and reflect current estimates, predictions, expectations or beliefs regarding future events. All forward-looking statements are based on First Mining's or its consultants' current beliefs as well as various assumptions made by them and information currently available to them. There can be no assurance that such statements will prove to be accurate, and actual results and future events could differ materially from those anticipated in such statements. Forward-looking statements in this news release include, but are not limited to, statements with respect to: (i) disclosure by Bellavista; (iI) the Company's plans with respect to advancing its portfolio of gold projects including the Springpole Project and Duparquet Gold Project; and (iii) feasibility and permitting activities related to the Springpole Gold Project.*

*Forward-looking statements reflect the beliefs, opinions and projections of management on the date the statements are made and are based upon a number of assumptions and estimates that, while considered reasonable by the respective parties, are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Such factors include, without limitation the Company's business, operations and financial condition potentially being materially adversely affected by the outbreak of epidemics, pandemics or other health crises, and by reactions by government and private actors to such outbreaks; fluctuations in the spot and forward price of gold, silver, base metals or certain other commodities; fluctuations in the currency markets (such as the Canadian dollar versus the U.S. dollar); changes in national and local government, legislation, taxation, controls, regulations and political or economic developments; requirements for additional capital; changes in project parameters as plans continue to be refined; variations in ore reserves, grade or recovery rates; actual performance of plant, equipment or processes relative to specifications and expectations; risks and hazards associated with the business of mineral exploration, development and mining (including environmental hazards, industrial accidents, unusual or unexpected formations, pressures, cave-ins and flooding); the presence of laws and regulations that may impose restrictions on mining; employee relations; relationships with and claims by local communities, indigenous populations and other stakeholders; availability and increasing costs associated with mining inputs and labour; the speculative nature of mineral exploration and development; title to properties.; and the additional risks described in the Company's Annual Information Form for the year ended December 31, 2025 filed with the Canadian securities regulatory authorities under the Company's SEDAR+ profile at www.sedarplus.ca, and in the Company's Annual Report on Form 40-F filed with the SEC on EDGAR.*

*First Mining cautions that the foregoing list of factors that may affect future results is not exhaustive. When relying on our forward-looking statements to make decisions with respect to First Mining, investors and others should carefully consider the foregoing factors and other uncertainties and potential events. First Mining does not undertake to update any forward-looking statement, whether written or oral, that may be made from time to time by the Company or on our behalf, except as required by law.*

***Cautionary Note to United States Investors***

*The Company is a "foreign private issuer" as defined in Rule 3b-4 under the United States Securities Exchange Act of 1934, as amended, and is eligible to rely upon the Canada-U.S. Multi-Jurisdictional Disclosure System, and is therefore permitted to prepare the technical information contained herein in accordance with the requirements of the securities laws in effect in Canada, which differ from the requirements of the securities laws currently in effect in the United States. Accordingly, information concerning mineral deposits set forth herein may not be comparable with information made public by companies that report in accordance with U.S. standards.*

*Technical disclosure contained in this news release has not been prepared in accordance with the requirements of United States securities laws and uses terms that comply with reporting standards in Canada with certain estimates prepared in accordance with NI 43-101.*

*NI 43-101 is a rule developed by the Canadian Securities Administrators that establishes standards for all public disclosure an issuer makes of scientific and technical information concerning the issuer's material mineral projects.*

View original content to download multimedia:https://www.prnewswire.com/news-releases/first-mining-announces-2026-first-quarter-financial-results-and-operating-highlights-302769970.html

SOURCE First Mining Gold Corp.

View original content to download multimedia: http://www.newswire.ca/en/releases/archive/May 2026/13/c6990.html

%CIK: 0001641229

**For further information:** For further information, please contact: Toll Free: 1 844 306 8827 \| Email: info@firstmininggold.com; Paul Morris \| Director, Investor Relations \| Email: paul@firstmininggold.com

CO: First Mining Gold Corp.

CNW 07:00e 13-MAY-26