USLM · United States Lime & Minerals Inc · Insider Trading

$110.06 -0.06 (-0.05%)

S&P 600 member Russell 2000 member Rebalance outlook locked

Market Cap

$3.17B

28.69M

Volume · Oct 27 140.83K Avg daily vol (3M) 144.17K

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 4 and 5. Form 3 supplies initial ownership rather than a trade; Form 4 must be filed within two business days of the trade.

Query insider transactions through the insider trading API or MCP →

Insider Sentiment Score

Peer-relative 0–100 rank of how aggressively insiders accumulated over the trailing 90 days. See the full ranking.

Net buyers

-1

Net shares bought

-0.07%

Net buy value

-$2,200,000

Date	Insider	Role	Type	Security	Shares	Price	Value	After
2026-09-09	DOUMET ANTOINE M	Director	Sell↓ Filing footnotes — USLM Common Stock (Direct) The shares were sold in a private transaction.	USLM Common Stock	20,000	$110.00	$2,200,000	90,000
2026-09-09	Candou Holdings Ltd.	10% Owner	Buy↑ Filing footnotes — USLM Common Stock (Indirect) The shares were acquired in a private transaction. The number of shares reported as beneficially owned herein reflects the 5-for-1 stock split that was effected by the Issuer on July 12, 2024. Of the shares of the Issuer reported as beneficially owned herein, 20,000 shares are held by Candou Industries Ltd. ("Candou Industries") in trust for the benefit of Inberdon Enterprises Ltd. ("Inberdon"), and the balance of the shares are held of record by Inberdon. Mr. George Doumet is the indirect beneficial owner of all such shares through his ownership of Candou Holdings Ltd., which owns 100% of the voting shares of Candou Industries, which in turn wholly owns Inberdon.	USLM Common Stock (I)	20,000	$110.00	$2,200,000	17,673,780
2026-05-01	CARDIN RICHARD W	Director	Award↑	USLM Common Stock	1,273	$110.00	$140,030	17,006
2026-05-01	Weirich Lila R	Director	Award↑	USLM Common Stock	1,273	$110.00	$140,030	4,176
2026-05-01	Hawkins Tom S Jr	Director	Award↑	USLM Common Stock	1,273	$110.00	$140,030	11,356
2026-05-01	Duhe Sandra C	Director	Award↑	USLM Common Stock	1,273	$110.00	$140,030	3,527
2026-05-01	Wolkenstein Jon A	Director	Award↑	USLM Common Stock	1,273	$110.00	$140,030	4,176
2026-05-01	DOUMET ANTOINE M	Director	Award↑ Filing footnotes — Stock Option (right to buy) (Direct) Amended to correct Transaction Code to A.	Stock Option (right to buy)	3,405	$110.00	$374,550	3,405
2026-03-17	DOUMET ANTOINE M	Director	Convert↑	USLM Common Stock	12,000	$10.71	$128,520	110,000
2026-03-17	DOUMET ANTOINE M	Director	Convert↓	Stock Option (right to buy)	12,000	$10.71	$128,520	0
2026-03-03	Duhe Sandra C	Director	Sell↓	USLM Common Stock	1,277	$120.45	$153,815	2,254
2026-02-03	Stone Timothy Wade	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3,2026.	USLM Common Stock	136	$118.13	$16,066	4,840
2026-02-03	O'Neill Nathan	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2026.	USLM Common Stock	166	$118.13	$19,610	7,703
2026-02-03	Gagnon John J	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2026.	USLM Common Stock	123	$118.13	$14,530	5,941
2026-02-03	Wiedemer Michael L	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2026.	USLM Common Stock	165	$118.13	$19,491	6,360
2026-02-02	Wiedemer Michael L	Vice President	Award↑ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 2, 2026.	USLM Common Stock	426	$123.61	$52,658	6,786
2026-02-02	O'Neill Nathan	Vice President	Award↑ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 2, 2026.	USLM Common Stock	426	$123.61	$52,658	8,129
2026-02-02	Wiedemer Michael L	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 2, 2026.	USLM Common Stock	95	$123.61	$11,743	6,525
2026-02-02	Stone Timothy Wade	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 2, 2026.	USLM Common Stock	100	$123.61	$12,361	4,976
2026-02-02	Gagnon John J	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 2, 2026.	USLM Common Stock	75	$123.61	$9,271	6,064
2026-02-02	Stone Timothy Wade	Vice President	Award↑ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 2, 2026.	USLM Common Stock	336	$123.61	$41,533	5,176
2026-02-02	O'Neill Nathan	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 2, 2026.	USLM Common Stock	105	$123.61	$12,979	7,869
2026-02-02	Gagnon John J	Vice President	Award↑ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 2, 2026.	USLM Common Stock	210	$123.61	$25,958	6,151
2025-12-31	BYRNE TIMOTHY W	Director, President & CEO	Award↑	USLM Common Stock	47,500	$119.74	$5,687,650	114,741
2025-12-31	BYRNE TIMOTHY W	Director, President & CEO	Tax↓	USLM Common Stock	18,691	$119.74	$2,238,060	67,241
2025-12-04	Hawkins Tom S Jr	Director	Gift↑ Filing footnotes — USLM Common Stock (Indirect) Gift of shares to UTMA accounts for grandchildren. The reporting person disclaims beneficial ownership of these shares and this report should not be deemed an admission that the reporting person is the beneficial owner of his grandchildren's shares for purposes of Section 16 or any other purpose.	USLM Common Stock (I)	100	—	—	180
2025-12-04	Hawkins Tom S Jr	Director	Gift↓ Filing footnotes — USLM Common Stock (Direct) Gift of shares to UTMA accounts for grandchildren. The reporting person disclaims beneficial ownership of these shares and this report should not be deemed an admission that the reporting person is the beneficial owner of his grandchildren's shares for purposes of Section 16 or any other purpose.	USLM Common Stock	100	—	—	10,083
2025-12-04	Hawkins Tom S Jr	Director	Gift↓	USLM Common Stock	80	—	—	10,183
2025-09-05	BYRNE TIMOTHY W	Director, President & CEO	Gift↓ Filing footnotes — USLM Common Stock (Direct) Closing per share price on the date preceding the date of contribution.	USLM Common Stock	500	$120.99	$60,495	85,932
2025-09-04	BYRNE TIMOTHY W	Director, President & CEO	Sell↓ Filing footnotes — USLM Common Stock (Direct) The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.75 to $121.54.	USLM Common Stock	596	$120.76	$71,973	86,432
2025-09-04	BYRNE TIMOTHY W	Director, President & CEO	Sell↓ Filing footnotes — USLM Common Stock (Direct) The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $119.17 to $120.00, inclusive.	USLM Common Stock	11,504	$119.43	$1,373,923	87,208
2025-09-03	BYRNE TIMOTHY W	Director, President & CEO	Sell↓ Filing footnotes — USLM Common Stock (Direct) The price in Column 4 is a weighted average price. These shares were sold in multiple transaction at prices ranging from $124.00 to $124.37,inclusive.	USLM Common Stock	1,391	$124.18	$172,734	98,532
2025-09-03	BYRNE TIMOTHY W	Director, President & CEO	Sell↓ Filing footnotes — USLM Common Stock (Direct) The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $120.78 to $121.30, inclusive. The reporting person undertakes to provide United States Lime & Minerals, Inc., any security holder of United States Lime & Minerals, Inc. or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in Footnotes 1, 2, 3 and 4.	USLM Common Stock	26,034	$120.88	$3,146,990	99,923
2025-05-02	DOUMET ANTOINE M	Director	Award↑	Stock Option (right to buy)	3,809	$99.81	$380,176	3,809
2025-05-02	CARDIN RICHARD W	Director	Award↑	USLM Common Stock	1,403	$99.81	$140,033	15,733
2025-05-02	Hawkins Tom S Jr	Director	Award↑	USLM Common Stock	1,403	$99.81	$140,033	10,263
2025-05-02	Duhe Sandra C	Director	Award↑	USLM Common Stock	1,403	$99.81	$140,033	2,460
2025-05-02	Wolkenstein Jon A	Director	Award↑	USLM Common Stock	1,403	$99.81	$140,033	2,903
2025-05-02	Weirich Lila R	Director	Award↑	USLM Common Stock	1,403	$99.81	$140,033	2,903
2025-03-03	DOUMET ANTOINE M	Director	Convert↑	USLM Common Stock	12,000	$13.34	$160,080	98,000
2025-03-03	DOUMET ANTOINE M	Director	Convert↓	Stock Option (right to buy)	12,000	$13.34	$160,080	0
2025-02-24	Duhe Sandra C	Director	Sell↓	USLM Common Stock	3,157	$94.61	$298,684	2,128
2025-02-06	Stone Timothy Wade	Vice President	Gift↓	USLM Common Stock	40	—	—	5,076
2025-02-03	Gagnon John J	Vice President	Award↑ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2025.	USLM Common Stock	210	$110.47	$23,199	6,139
2025-02-03	Stone Timothy Wade	Vice President	Award↑ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2025.	USLM Common Stock	336	$110.47	$37,118	5,116
2025-02-03	Stone Timothy Wade	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2025.	USLM Common Stock	103	$110.47	$11,378	4,780
2025-02-03	Gagnon John J	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2025.	USLM Common Stock	103	$110.47	$11,378	5,929
2025-02-03	Wiedemer Michael L	Vice President	Award↑ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2025.	USLM Common Stock	426	$110.47	$47,060	6,620
2025-02-03	O'Neill Nathan	Vice President	Tax↓ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2025.	USLM Common Stock	124	$110.47	$13,698	7,548
2025-02-03	O'Neill Nathan	Vice President	Award↑ Filing footnotes — USLM Common Stock (Direct) Per share closing price on February 3, 2025.	USLM Common Stock	426	$110.47	$47,060	7,974

Legend Buy — open-market purchase Sell — open-market sale ↑ Shares acquired ↓ Shares disposed (gift, conversion, tax…)

Showing 1–50 of 338 transactions

Key facts CIK 82020 CUSIP 911922102 13F (30d) 55 filings 52 filers Visit website Investor relations