8-K

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

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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): February 2, 2026

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UNITED STATES LIME & MINERALS, INC.

(Exact name of registrant as specified in its charter)

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TEXAS	​	0-4197	​	75-0789226
(State or other jurisdiction of	​	(Commission File Number)	​	(IRS Employer Identification No.)
incorporation)	​	​	​	​
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5429 LBJ FREEWAY, SUITE 230 , DALLAS , TEXAS			​	75240
(Address of principal executive offices)			​	(Zip Code)

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( 972 ) 991-8400

(Registrant’s telephone number, including area code)

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(Former name or former address, if changed since last report)

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 (see General Instruction A.2. below):

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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))

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, $0.10 par value	USLM	The Nasdaq Stock Market LLC

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. ☐

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ITEM 2.02. RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

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On February 2, 2026, United States Lime & Minerals, Inc. (the “Company”) issued a News Release announcing the financial results for the quarter and full year ended December 31, 2025. A copy of the News Release is attached hereto as Exhibit 99.1 and incorporated by reference herein in response to this Item 2.02.

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ITEM 9.01. FINANCIAL STATEMENTS AND EXHIBITS.

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(d)  Exhibits

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The Exhibit Index set forth below is incorporated by reference in response to this Item.

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EXHIBIT INDEX

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Exhibit Number	​	Exhibit
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99.1	​	News Release of United States Lime & Minerals, Inc. dated February 2, 2026.
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, United States Lime & Minerals, Inc. has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

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Date: February 2, 2026	UNITED STATES LIME & MINERALS, INC.
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​	By:	/s/ Michael L. Wiedemer
​	​	Michael L. Wiedemer, Vice President and
​	​	Chief Financial Officer

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Exhibit 99.1

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UNITED STATES LIME & MINERALS, INC. — NEWS RELEASE

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FOR IMMEDIATE RELEASE	​	​	Contact: Timothy W. Byrne
​	​	​	​(972) 991-8400

UNITED STATES LIME & MINERALS REPORTS FOURTH QUARTER AND FULL YEAR 2025

RESULTS AND DECLARES REGULAR QUARTERLY CASH DIVIDEND

Dallas, Texas, February 2, 2026 - United States Lime & Minerals, Inc. (NASDAQ: USLM) today reported fourth quarter and full year 2025 results: The Company’s revenues in the fourth quarter 2025 were $87.9 million, compared to $80.1 million in the fourth quarter 2024, an increase of $7.9 million, or 9.8%. The increase in revenues in the fourth quarter 2025, compared to the fourth quarter 2024, resulted primarily from increased sales volumes, principally due to increased demand from the Company’s construction and steel customers, partially offset by decreased demand from the Company’s oil and gas services and roof shingle customers.

For the full year 2025, the Company’s revenues were $372.7 million, compared to $317.7 million in the full year 2024, an increase of $55.0 million, or 17.3%. The increase in revenues in the full year 2025, compared to the full year 2024, resulted from increases in sales volumes and average selling prices of the Company’s lime and limestone products. The increase in sales volumes for the full year 2025 was principally due to increased demand from the Company’s construction, environmental, and steel customers, partially offset by decreased demand from the Company’s oil and gas services customers.

The Company’s gross profit was $42.2 million in the fourth quarter 2025, compared to $35.4 million in the fourth quarter 2024, an increase of $6.7 million, or 19.0%. The Company’s gross profit in the full year 2025 was $182.4 million, compared to $144.0 million in the full year 2024, an increase of $38.4 million, or 26.7%. The increases in gross profit in the fourth quarter and the full year 2025, compared to the comparable 2024 periods, resulted primarily from the increases in revenues discussed above.

Selling, general and administrative (“SG&A”) expenses were $6.2 million in the fourth quarter 2025, compared to $4.4 million in the fourth quarter 2024, an increase of $1.8 million, or 41.6%. SG&A expenses were $24.5 million in the full year 2025, compared to $19.1 million in the full year 2024, an increase of $5.5 million, or 28.8%. The increases in SG&A expenses in the fourth quarter and the full year 2025, compared to the comparable 2024 periods, were primarily due to increased personnel expenses.

Other (income) expense, net was $3.6 million and $13.2 million income in the fourth quarter and the full year 2025, respectively, compared to $3.1 million and $11.5 million income in the fourth quarter and the full year 2024, respectively, reflecting increases of $0.5 million and $1.7 million, respectively. The increases in other (income) expense, net for the fourth quarter and the full year 2025, compared to the comparable 2024 periods, were primarily due to interest earned on higher average balances of cash and cash equivalents.

The Company reported net income of $30.5 million ($1.06 per share diluted) and $134.3 million ($4.67 per share diluted) in the fourth quarter and the full year 2025, respectively, compared to $27.0 million ($0.94 per share diluted) and $108.8 million ($3.79 per share diluted) in the fourth quarter and the full year 2024, respectively, reflecting increases of $3.6 million, or 13.2%, and $25.4 million, or 23.4%, respectively.

In January 2026, much of North America experienced an expansive major winter storm which interrupted commerce in the areas the Company serves. The Company’s plants did not sustain any damage from the storm, but product shipments were interrupted for a period of time. The impact, if any, on the Company’s first quarter 2026 financial performance has not been determined.

“We are pleased with the Company’s financial performance in 2025. Overall demand was up, compared to 2024, led by our construction customers, including the construction of some large data centers in the regions that we serve,” said Timothy W. Byrne, President and Chief Executive Officer. “We see general delays in customer shipments due to winter weather interruptions as well as continuing weakness in demand from our roof shingle customers in the first quarter 2026,” Mr. Byrne added. ​

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Dividend

The Company announced today that the Board of Directors has declared a regular quarterly cash dividend of $0.06 per share on the Company’s common stock. This dividend is payable on March 13, 2026 to shareholders of record at the close of business on February 20, 2026.

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United States Lime & Minerals, Inc., a NASDAQ-listed public company with headquarters in Dallas, Texas, is a manufacturer of lime and limestone products, supplying primarily the construction (including highway, road and building contractors), industrial (including paper and glass manufacturers), environmental (including municipal sanitation and water treatment facilities and flue gas treatment processes), metals (including steel producers), roof shingle manufacturers, agriculture (including poultry producers), and oil and gas services industries. The Company operates lime and limestone plants and distribution facilities in Arkansas, Colorado, Louisiana, Missouri, Oklahoma, and Texas through its wholly owned subsidiaries, Arkansas Lime Company, ART Quarry TRS LLC (DBA Carthage Crushed Limestone), Colorado Lime Company, Mill Creek Dolomite, LLC, Texas Lime Company, U.S. Lime Company, U.S. Lime Company-Shreveport, U.S. Lime Company-St. Clair, and U.S. Lime Company-Transportation. In addition, the Company, through its wholly owned subsidiary, U.S. Lime Company-O & G, LLC, has royalty and non-operated working interests in natural gas wells located in Johnson County, Texas, in the Barnett Shale Formation.

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Any statements contained in this News Release, including, but not limited to, statements relating to demand, that are not statements of historical fact are forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. The Company undertakes no obligation to publicly update or revise any forward-looking statements, and investors are cautioned that such statements involve risks and uncertainties that could cause actual results to differ materially from expectations, including without limitation those risks and uncertainties indicated from time to time in the Company’s filings with the Securities and Exchange Commission.

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(Tables Follow) ​

United States Lime & Minerals, Inc.

CONDENSED CONSOLIDATED FINANCIAL DATA

(In thousands, except per share amounts)

(Unaudited)

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​	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	Three Months Ended					​	Year Ended					****
​	​	December 31,					​	December 31,					****
​	​ ​ ​	2025		​ ​ ​	2024		​ ​ ​	2025		​ ​ ​	2024		****
INCOME STATEMENTS	​	​	​	​	​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Revenues	​	$	87,940	​	$	80,062	​	$	372,727	​	$	317,721	​
Cost of revenues	​	​	45,765	​	​	44,623	​	​	190,329	​	​	173,740	​
Gross profit	​	$	42,175	​	$	35,439	​	$	182,398	​	$	143,981	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Selling, general and administrative expenses	​	​	6,161	​	​	4,352	​	​	24,539	​	​	19,058	​
Operating profit	​	$	36,014	​	$	31,087	​	$	157,859	​	$	124,923	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Other (income) expense, net	​	​	(3,553)	​	​	(3,073)	​	​	(13,158)	​	​	(11,460)	​
Income tax expense	​	****	9,018	​		7,170	​	****	36,742	​		27,544	​
Net income	​	$	30,549	​	$	26,990	​	$	134,275	​	$	108,839	​
​	​	​	​	​	​	​	​	​	​	​	​	​	​
Income per share of common stock:	​	​	​	​	​	​	​	​	​	​	​	​	​
Basic	​	$	1.07	​	$	0.94	​	$	4.69	​	$	3.81	​
Diluted	​	$	1.06	​	$	0.94	​	$	4.67	​	$	3.79	​
Weighted-average shares outstanding:	​	​	​	​	​	​	​	​	​	​	​	​	​
Basic	​	****	28,639	​		28,596	​	****	28,635	​		28,579	​
Diluted	​	****	28,740	​		28,706	​	****	28,733	​		28,688	​
Cash dividends per share of common stock	​	$	0.06	​	$	0.05	​	$	0.24	​	$	0.20	​
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​	​	​		​	​		​	December 31,		​	December 31,		​
​	​	​		​	​		​	2025		​	2024		​
BALANCE SHEETS	​	​	​	​	​	​	​	​	​	​	​	​	​
Assets:	​	​	​	​	​	​	​	​	​	​	​	​	​
Current assets	​	​	​	​	​	​	​	$	455,316	​	$	354,782	​
Property, plant and equipment, net	​	​	​	​	​	​	​	****	221,421	​		182,891	​
Other non-current assets	​	​	​	​	​	​	​	****	4,307	​		5,490	​
Total assets	​	​	​	​	​	​	​	$	681,044	​	$	543,163	​
Liabilities and Stockholders’ Equity:	​	​	​	​	​	​	​	​	​	​	​	​	​
Current liabilities	​	​	​	​	​	​	​	$	23,632	​	$	16,962	​
Deferred tax liabilities, net	​	​	​	​	​	​	​	****	22,999	​		23,659	​
Other long-term liabilities	​	​	​	​	​	​	​	****	3,653	​		4,801	​
Stockholders’ equity	​	​	​	​	​	​	​	****	630,760	​		497,741	​
Total liabilities and stockholders’ equity	​	​	​	​	​	​	​	$	681,044	​	$	543,163	​

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