USLM

United States Lime & Minerals, Inc.$117.95+1.55 (+1.33%)

Prev Close$116.43·MCap$3.35B·P/E25.98·Vol123.6K·Yield0.00%

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Buys (12M)

$2.20M

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Sells (12M)

$4.55M

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Net Activity

Net Seller

$2.35M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at United States Lime & Minerals, Inc. (USLM) has been dominated by selling, with 1 insider purchase totaling $2.20M and 6 insider sales totaling $4.55M. The most recent insider transaction was by Candou Holdings Ltd. (10 percent owner), who purchased $2.20M worth of shares on Sep 11, 2026. United States Lime & Minerals, Inc. operates in the Basic Materials sector, within the Construction Materials industry, with a market cap of $3.35B.

USLM Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Sep 11, 2026	Candou Holdings Ltd.	10 percent owner	Buy	20,000	$110.00	$2.20M	17,673,780
Sep 11, 2026	DOUMET ANTOINE M	director	Sell	20,000	$110.00	$2.20M	90,000
Feb 2, 2026	Gagnon John J	Vice President	Sell	198	$120.21	$23.8K	0
Feb 2, 2026	O'Neill Nathan	Vice President	Sell	271	$120.25	$32.6K	0
Feb 2, 2026	Stone Timothy Wade	Vice President	Sell	236	$120.45	$28.4K	0
Feb 2, 2026	Wiedemer Michael L	Vice President	Sell	260	$120.13	$31.2K	0
Dec 31, 2025	BYRNE TIMOTHY W	President & CEO	Sell	18,691	$119.74	$2.24M	0
Sep 3, 2025	BYRNE TIMOTHY W	President & CEO	Sell	39,525	$120.57	$4.77M	0
Feb 24, 2025	Duhe Sandra C	Director	Sell	3,157	$94.61	$298.7K	0
Nov 21, 2024	BYRNE TIMOTHY W	President & CEO	Sell	44,215	$140.67	$6.22M	125,004-26%
Nov 13, 2024	O'Neill Nathan	Vice President	Sell	1,750	$139.73	$244.5K	7,880
Aug 26, 2024	CARDIN RICHARD W	Director	Sell	12,000	$77.88	$934.6K	14,300-46%
Jun 7, 2024	BYRNE TIMOTHY W	President & CEO	Sell	8,226	$336.03	$2.76M	33,106
Mar 14, 2024	Duhe Sandra C	Director	Sell	427	$291.02	$124.3K	457-48%
Feb 16, 2024	BYRNE TIMOTHY W	President & CEO	Sell	7,853	$259.28	$2.04M	36,055
Nov 13, 2023	Stone Timothy Wade	Vice President	Buy	200	$200.00	$40.0K	862+30%
Sep 15, 2023	Duhe Sandra C	Director	Sell	517	$206.92	$107.0K	884-37%
Aug 23, 2023	BYRNE TIMOTHY W	President & CEO	Sell	5,000	$214.38	$1.07M	31,501
May 23, 2023	BYRNE TIMOTHY W	President & CEO	Sell	7,311	$188.04	$1.37M	37,560
May 8, 2023	O'Neill Nathan	Vice President	Sell	700	$166.70	$116.7K	2,151
Dec 8, 2022	HUGHES BILL	Director	Sell	500	$148.00	$74.0K	25,388
Nov 8, 2022	BYRNE TIMOTHY W	President & CEO	Sell	4,118	$129.42	$533.0K	32,094
Aug 17, 2022	BYRNE TIMOTHY W	President & CEO	Sell	4,626	$107.50	$497.3K	35,643
Dec 14, 2021	INBERDON ENTERPRISES LTD	10% Owner	Buy	24,137	$122.22	$2.95M	3,530,756
Dec 2, 2021	BYRNE TIMOTHY W	President & CEO	Sell	1,320	$121.15	$159.9K	29,838
Dec 1, 2021	INBERDON ENTERPRISES LTD	10% Owner	Buy	17,500	$126.00	$2.21M	3,506,619
Nov 9, 2021	ODISHAW EDWARD A	Director	Sell	800	$135.00	$108.0K	0Exit
Sep 13, 2021	BYRNE TIMOTHY W	President & CEO	Sell	5,680	$137.08	$778.6K	35,596
May 27, 2021	ODISHAW EDWARD A	Director	Sell	600	$140.00	$84.0K	800-43%
May 26, 2021	Stone Timothy Wade	Director - Sales & Marketing	Sell	120	$137.80	$16.5K	393
Mar 15, 2021	BYRNE TIMOTHY W	President & CEO	Sell	1,227	$151.13	$185.4K	38,553
Mar 15, 2021	ODISHAW EDWARD A	Director	Sell	200	$150.00	$30.0K	600-25%

USLM Insider Buying Activity

The following table shows recent insider purchases of United States Lime & Minerals, Inc. (USLM) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Sep 11, 2026	Candou Holdings Ltd.	10 percent owner	Buy	20,000	$110.00	$2.20M	17,673,780
Nov 13, 2023	Stone Timothy Wade	Vice President	Buy	200	$200.00	$40.0K	862+30%
Dec 14, 2021	INBERDON ENTERPRISES LTD	10% Owner	Buy	24,137	$122.22	$2.95M	3,530,756
Dec 1, 2021	INBERDON ENTERPRISES LTD	10% Owner	Buy	17,500	$126.00	$2.21M	3,506,619

USLM Insider Selling Activity

The following table shows recent insider sales of United States Lime & Minerals, Inc. (USLM) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Sep 11, 2026	DOUMET ANTOINE M	director	Sell	20,000	$110.00	$2.20M	90,000
Feb 2, 2026	Gagnon John J	Vice President	Sell	198	$120.21	$23.8K	0
Feb 2, 2026	O'Neill Nathan	Vice President	Sell	271	$120.25	$32.6K	0
Feb 2, 2026	Stone Timothy Wade	Vice President	Sell	236	$120.45	$28.4K	0
Feb 2, 2026	Wiedemer Michael L	Vice President	Sell	260	$120.13	$31.2K	0
Dec 31, 2025	BYRNE TIMOTHY W	President & CEO	Sell	18,691	$119.74	$2.24M	0
Sep 3, 2025	BYRNE TIMOTHY W	President & CEO	Sell	39,525	$120.57	$4.77M	0
Feb 24, 2025	Duhe Sandra C	Director	Sell	3,157	$94.61	$298.7K	0
Nov 21, 2024	BYRNE TIMOTHY W	President & CEO	Sell	44,215	$140.67	$6.22M	125,004-26%
Nov 13, 2024	O'Neill Nathan	Vice President	Sell	1,750	$139.73	$244.5K	7,880
Aug 26, 2024	CARDIN RICHARD W	Director	Sell	12,000	$77.88	$934.6K	14,300-46%
Jun 7, 2024	BYRNE TIMOTHY W	President & CEO	Sell	8,226	$336.03	$2.76M	33,106
Mar 14, 2024	Duhe Sandra C	Director	Sell	427	$291.02	$124.3K	457-48%
Feb 16, 2024	BYRNE TIMOTHY W	President & CEO	Sell	7,853	$259.28	$2.04M	36,055
Sep 15, 2023	Duhe Sandra C	Director	Sell	517	$206.92	$107.0K	884-37%
Aug 23, 2023	BYRNE TIMOTHY W	President & CEO	Sell	5,000	$214.38	$1.07M	31,501
May 23, 2023	BYRNE TIMOTHY W	President & CEO	Sell	7,311	$188.04	$1.37M	37,560
May 8, 2023	O'Neill Nathan	Vice President	Sell	700	$166.70	$116.7K	2,151
Dec 8, 2022	HUGHES BILL	Director	Sell	500	$148.00	$74.0K	25,388
Nov 8, 2022	BYRNE TIMOTHY W	President & CEO	Sell	4,118	$129.42	$533.0K	32,094
Aug 17, 2022	BYRNE TIMOTHY W	President & CEO	Sell	4,626	$107.50	$497.3K	35,643
Dec 2, 2021	BYRNE TIMOTHY W	President & CEO	Sell	1,320	$121.15	$159.9K	29,838
Nov 9, 2021	ODISHAW EDWARD A	Director	Sell	800	$135.00	$108.0K	0Exit
Sep 13, 2021	BYRNE TIMOTHY W	President & CEO	Sell	5,680	$137.08	$778.6K	35,596
May 27, 2021	ODISHAW EDWARD A	Director	Sell	600	$140.00	$84.0K	800-43%
May 26, 2021	Stone Timothy Wade	Director - Sales & Marketing	Sell	120	$137.80	$16.5K	393
Mar 15, 2021	BYRNE TIMOTHY W	President & CEO	Sell	1,227	$151.13	$185.4K	38,553
Mar 15, 2021	ODISHAW EDWARD A	Director	Sell	200	$150.00	$30.0K	600-25%