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

FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported): September 11, 2025
HECLA MINING COMPANY
(Exact name of registrant as specified in its charter)

Delaware | 1-8491 | 77-0664171
(State or other jurisdiction of incorporation) | (Commission File Number) | (IRS Employer Identification No.)

6500 North Mineral Drive, Suite 200
Coeur d'Alene, Idaho 83815-9408
(Address of principal executive offices) (Zip Code)
(208) 769-4100
Registrant's telephone number, including area code
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ | Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐ | Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐ | Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐ | Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class | Trading Symbol(s) | Name of each exchange on which registered
Common Stock, par value $0.25 per share | HL | New York Stock Exchange
Series B Cumulative Convertible Preferred Stock, par value $0.25 per share | HL-PB | New York Stock Exchange

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company ☐
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 7.01 Regulation FD Disclosure
On September 16, 2025, representatives of Hecla Mining Company (the “Company”) are scheduled to make a presentation (the “Presentation”) in Colorado Springs, Colorado at the Gold Forum Americas 2025 conference. As part of the Presentation, the Company expects to provide an update on its Casa Berardi operations. The Presentation is available on the Company’s website at https://americas.miningforum.com/member-webcast/4236/. The slides of the Presentation referencing the Casa Berardi update are attached hereto as Exhibit 99.1. Information on the live webcast of the Presentation is included in the News Release attached as Exhibit 99.2
In accordance with General Instruction B.2 of Form 8-K, the information in this Item 7.01 and Exhibits 99.1 and 99.2 is being furnished and shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section, and shall not be incorporated by reference into any of the Company’s filings or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
Item 9.01 Financial Statements and Exhibits

| (d) | Exhibits

99.1 Presentation.*
99.2 News Release dated September 11, 2025.*
104 Cover Page Interactive Data File (formatted as Inline XBRL).
* Furnished herewith
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 hereunto duly authorized.

| HECLA MINING COMPANY |
| By: | /s/ David C. Sienko |
|  | David C. Sienko |
|  | Sr. Vice President, General Counsel and Corporate Secretary |

Dated: September 11, 2025
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