[8-K] ALLIANCE RESOURCE PARTNERS LP Reports Material Event

Rhea-AI Filing Summary

Alliance Resource Partners, L.P. filed a Form 8-K announcing, via press release, its quarterly earnings and operating results for the quarter ended September 30, 2025. The press release is furnished as Exhibit 99.1.

The information under Item 2.02, including Exhibit 99.1, is furnished and not deemed filed under the Exchange Act. The filing lists ARLP’s common units on the NASDAQ Global Select Market.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

Understanding 8-K Material Events →

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

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CURRENT REPORT PURSUANT TO

SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

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Date of report (Date of earliest event reported): October 27, 2025

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ALLIANCE RESOURCE PARTNERS, L.P.

(Exact name of registrant as specified in its charter)

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Delaware	​	​	​	73-1564280
(State or other jurisdiction of incorporation or organization)	​	Commission File No.: 0-26823	​	(IRS Employer Identification No.)

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1717 South Boulder Avenue, Suite 400, Tulsa, Oklahoma 74119

(Address of principal executive offices and zip code)

(918) 295-7600

(Registrant's telephone number, including area code)

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Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations of the registrant under any of the following provisions:

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☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

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☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

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☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

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☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

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Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common units representing limited partner interests	ARLP	NASDAQ Global Select Market

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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).

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Emerging growth company ☐

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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. ☐

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ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

On October 27, 2025, Alliance Resource Partners, L.P. (the "Partnership") announced, via press release, its quarterly earnings and operating results for the quarter ended September 30, 2025.  A copy of the Partnership's press release is attached hereto as Exhibit 99.1.

The information furnished in this Item 2.02 including Exhibit 99.1 hereto, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent specifically referenced in any such filings.

ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.

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(d) Exhibits

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Exhibit Number			Description
​	99.1	​	Alliance Resource Partners, L.P. press release dated October 27, 2025. ​
​	104	​	Cover Page Interactive Data File (formatted as inline XBRL).

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SIGNATURES

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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.

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​	Alliance Resource Partners, L.P.	​
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By:	Alliance Resource Management GP, LLC,	​
​	its general partner	​
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By:	/s/ Cary P. Marshall	​
​	Cary P. Marshall	​
​	Senior Vice President and Chief Financial Officer	​
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Date: October 27, 2025

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