CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Total
Balances at Dec. 31, 2023	$ 2,955	$ 35,539	$ 412,499	$ (57,889)	$ 393,104
Balances (in shares) at Dec. 31, 2023	28,522,780
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 1	129			130
Stock options exercised (in shares)	12,000
Stock-based compensation	$ 1	1,240			1,241
Stock-based compensation (in shares)	14,785
Treasury shares purchased				(172)	(172)
Treasury shares purchased (in shares)	(3,435)
Cash dividends paid			(1,426)		(1,426)
Net income			22,439		22,439
Balances at Mar. 31, 2024	$ 2,957	36,908	433,512	(58,061)	415,316
Balances (in shares) at Mar. 31, 2024	28,546,130
Balances at Dec. 31, 2023	$ 2,955	35,539	412,499	(57,889)	393,104
Balances (in shares) at Dec. 31, 2023	28,522,780
Increase (Decrease) in Stockholders' Equity
Net income					81,849
Balances at Sep. 30, 2024	$ 2,963	39,251	490,061	(58,061)	474,214
Balances (in shares) at Sep. 30, 2024	28,594,270
Balances at Mar. 31, 2024	$ 2,957	36,908	433,512	(58,061)	415,316
Balances (in shares) at Mar. 31, 2024	28,546,130
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 4	(4)
Stock options exercised (in shares)	40,025
Stock-based compensation	$ 2	1,145			1,147
Stock-based compensation (in shares)	8,115
Cash dividends paid			(1,431)		(1,431)
Net income			26,057		26,057
Balances at Jun. 30, 2024	$ 2,963	38,049	458,138	(58,061)	441,089
Balances (in shares) at Jun. 30, 2024	28,594,270
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		1,202			1,202
Cash dividends paid			(1,430)		(1,430)
Net income			33,353		33,353
Balances at Sep. 30, 2024	$ 2,963	39,251	490,061	(58,061)	474,214
Balances (in shares) at Sep. 30, 2024	28,594,270
Balances at Dec. 31, 2024	$ 2,968	40,549	515,622	(61,398)	497,741
Balances (in shares) at Dec. 31, 2024	28,619,837
Increase (Decrease) in Stockholders' Equity
Stock options exercised	$ 1	159			160
Stock options exercised (in shares)	12,000
Stock-based compensation		2,336			2,336
Stock-based compensation (in shares)	4,800
Treasury shares purchased				(424)	(424)
Treasury shares purchased (in shares)	(3,838)
Cash dividends paid			(1,719)		(1,719)
Net income			34,113		34,113
Balances at Mar. 31, 2025	$ 2,969	43,044	548,016	(61,822)	532,207
Balances (in shares) at Mar. 31, 2025	28,632,799
Balances at Dec. 31, 2024	$ 2,968	40,549	515,622	(61,398)	497,741
Balances (in shares) at Dec. 31, 2024	28,619,837
Increase (Decrease) in Stockholders' Equity
Net income					103,726
Balances at Sep. 30, 2025	$ 2,970	46,928	614,193	(61,822)	602,269
Balances (in shares) at Sep. 30, 2025	28,639,399
Balances at Mar. 31, 2025	$ 2,969	43,044	548,016	(61,822)	532,207
Balances (in shares) at Mar. 31, 2025	28,632,799
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	$ 1	1,970			1,971
Stock-based compensation (in shares)	6,740
Cash dividends paid			(1,718)		(1,718)
Net income			30,831		30,831
Balances at Jun. 30, 2025	$ 2,970	45,014	577,129	(61,822)	563,291
Balances (in shares) at Jun. 30, 2025	28,639,539
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		1,914			1,914
Stock-based compensation (in shares)	(140)
Cash dividends paid			(1,719)		(1,719)
Net income			38,782		38,782
Balances at Sep. 30, 2025	$ 2,970	$ 46,928	$ 614,193	$ (61,822)	$ 602,269
Balances (in shares) at Sep. 30, 2025	28,639,399

UNITED STATES LIME & MINERALS INC 10-Q