# EDGAR Filing Document

**Accession Number:** 0001641229
**File Stem:** 0001654954-26-003319
**Filing Date:** 2026-4
**Character Count:** 4646
**Document Hash:** f67c64265e6057b3fe15f184798b132c
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001654954-26-003319.hdr.sgml**: 20260408

**ACCESSION NUMBER**: 0001654954-26-003319

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 3

**CONFORMED PERIOD OF REPORT**: 20260407

**FILED AS OF DATE**: 20260408

**DATE AS OF CHANGE**: 20260407

**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:** 26845964

**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**

**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 <u>April 2026</u>**

Commission File Number: **<u>000-55607</u>**

---

| |
|:---|
| **First Mining Gold Corp.** |
| (Translation of registrant's name into English) |

---

**<u>Suite 2070, 1188 West Georgia Street, Vancouver, B.C., V6E 4A2</u>**

(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 ☒

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

**DOCUMENTS INCORPORATED BY REFERENCE**

Exhibits 99.1 and 99.2 to this Report on Form 6-K are hereby incorporated by reference as Exhibits to the Registration Statement on Form F-10 of First Mining Gold Corp. (File No. 333-231801).

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

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| | |
|:---|:---|
| **Exhibits** | **Description** |
| [99.1](firstmining_ex991.htm) | [Notice of Meeting and Record Date](firstmining_ex991.htm) |

---

2<br>

**<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.

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| | |
|:---|:---|
|  | **<u>First Mining Gold Corp.</u>** |
|  | (Registrant) |
| Date: April 7, 2026 | /s/ Richard Huang |
|  | Richard Huang |
|  | VP, Corporate Development & Corporate Secretary |

---

3<br>

**EXHIBIT INDEX**

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| | |
|:---|:---|
| **Exhibits** | **Description** |
| [99.1](firstmining_ex991.htm) | [Notice of Meeting and Record Date](firstmining_ex991.htm) |

---

4<br>

## Exhibit 99.1

**EXHIBIT 99.1**

---

| | |
|:---|:---|
|  | ![](firstmining_ex991img3.jpg) |
| <br> March 27, 2026<br>| <br> 510 Burrard Street, 3rd Floor<br>Vancouver BC, V6C 3B9<br>www.computershare.com |

---

To: All Canadian Securities Regulatory Authorities

**Subject: FIRST MINING GOLD CORP.**

Dear Sir/Madam:

We advise of the following with respect to the upcoming Meeting of Security Holders for the subject Issuer:

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| | |
|:---|:---|
| <br> Meeting Type : | <br> Annual General Meeting |
| <br> Record Date for Notice of Meeting : | <br> April 21, 2026 |
| <br> Record Date for Voting (if applicable) : | <br> April 21, 2026 |
| <br> Beneficial Ownership Determination Date : | <br> April 21, 2026 |
| <br> Meeting Date : | <br> June 09, 2026 |
| <br> Meeting Location (if available) : | <br> No |
| <br> Issuer sending proxy related materials directly to NOBO: | <br> Vancouver, BC  |
| <br> Issuer paying for delivery to OBO: | <br> Yes |
| <br> **Notice and Access (NAA) Requirements:** |  |
| <br> NAA for Beneficial Holders | <br> Yes |
| <br> Beneficial Holders Stratification Criteria: | <br> Not Applicable |
| <br> NAA for Registered Holders | Yes |
| <br> Registered Holders Stratification Criteria: | <br> Not Applicable |

---

**Voting Security Details:**

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| | | |
|:---|:---|:---|
| <br> **Description** | <br> **CUSIP Number** | <br> **ISIN** |
| <br> COMMON SHARES | <br> 320890106 | <br> CA3208901064 |

---

Sincerely,

**Computershare**

Agent for FIRST MINING GOLD CORP.