Insider Transactions Reported by 17 Insiders of UNITED STATES LIME & MINERALS INC

Symbol
USLM on Nasdaq
Location
Dallas, TX

Insiders trading volume in the past year

UNITED STATES LIME & MINERALS INC executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
INBERDON ENTERPRISES LTD 10%+ Owner $813,309,645 10 Dec 2021
Candou Holdings Ltd. 10%+ Owner $496,989,215 22 May 2024
\s\ Timothy W. Byrne President & CEO, Director $13,739,087 -$4,765,620 -26% 31 Dec 2025
Antoine M. Doumet Director $8,757,216 17 Mar 2026
\s\ Bill Hughes Director $6,032,406 05 May 2023
\s\ Russell Riggs Vice President $2,102,635 02 Feb 2023
\s\ Richard W. Cardin Director $1,570,310 02 May 2025
\s\ Tom S. Hawkins Jr. Director $1,347,736 04 Dec 2025
\s\ Nathan O'Neill Vice President $1,004,825 02 Feb 2026
\s\ Michael L. Wiedemer Vice President $838,817 02 Feb 2026
\s\ John J. Gagnon Vice President $760,325 02 Feb 2026
Timothy Wade Stone Vice President $639,805 02 Feb 2026
\s\ Ray M. Harlin Director $438,040 29 Apr 2022
\s\ Lila R. Weirich Director $289,748 02 May 2025
\s\ Jon A. Wolkenstein Director $289,748 02 May 2025
Sandra C. Duhe Director $271,494 -$153,815 -36% 03 Mar 2026
\s\ Edward A. Odishaw Director $87,608 29 Apr 2022

Recent Insider Transactions by Companies or Individuals for UNITED STATES LIME & MINERALS INC

Showing up to 300 most recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
\s\ Antoine Doumet USLM USLM Common Stock Options Exercise 12.2% 12,000 110,000 17 Mar 2026 Direct
\s\ Antoine Doumet USLM Stock Option (right to buy) Options Exercise -100% -12,000 0 17 Mar 2026 Direct
Sandra C. Duhe USLM USLM Common Stock Sale -36.2% $153,815 $120.45 -1,277 2,254 03 Mar 2026 Direct
\s\ Nathan O'Neill USLM USLM Common Stock Tax liability -2.11% -166 7,703 03 Feb 2026 Direct
\s\ John J. Gagnon USLM USLM Common Stock Tax liability -2.03% -123 5,941 03 Feb 2026 Direct
Timothy Wade Stone USLM USLM Common Stock Tax liability -2.73% -136 4,840 03 Feb 2026 Direct
\s\ Michael L. Wiedemer USLM USLM Common Stock Tax liability -2.53% -165 6,360 03 Feb 2026 Direct
\s\ Nathan O'Neill USLM USLM Common Stock Award 5.53% 426 8,129 02 Feb 2026 Direct
\s\ Nathan O'Neill USLM USLM Common Stock Tax liability -1.32% -105 7,869 02 Feb 2026 Direct
\s\ John J. Gagnon USLM USLM Common Stock Award 3.53% 210 6,151 02 Feb 2026 Direct
\s\ John J. Gagnon USLM USLM Common Stock Tax liability -1.22% -75 6,064 02 Feb 2026 Direct
Timothy Wade Stone USLM USLM Common Stock Award 6.94% 336 5,176 02 Feb 2026 Direct
Timothy Wade Stone USLM USLM Common Stock Tax liability -1.97% -100 4,976 02 Feb 2026 Direct
\s\ Michael L. Wiedemer USLM USLM Common Stock Award 6.7% 426 6,786 02 Feb 2026 Direct
\s\ Michael L. Wiedemer USLM USLM Common Stock Tax liability -1.44% -95 6,525 02 Feb 2026 Direct
\s\ Timothy W. Byrne USLM USLM Common Stock Award 70.6% 47,500 114,741 31 Dec 2025 Direct
\s\ Timothy W. Byrne USLM USLM Common Stock Tax liability -21.8% -18,691 67,241 31 Dec 2025 Direct
\s\ Tom S. Hawkins Jr. USLM USLM Common Stock Gift 125% 100 180 04 Dec 2025 By grandchildren
\s\ Tom S. Hawkins Jr. USLM USLM Common Stock Gift -1.75% -180 10,083 04 Dec 2025 Direct
\s\ Timothy W. Byrne USLM USLM Common Stock Gift -0.58% -500 85,932 05 Sep 2025 Direct
\s\ Timothy W. Byrne USLM USLM Common Stock Sale -12.3% $1,445,896 $119.50 -12,100 86,432 04 Sep 2025 Direct
\s\ Timothy W. Byrne USLM USLM Common Stock Sale -21.8% $3,319,724 $121.05 -27,425 98,532 03 Sep 2025 Direct
\s\ Jon A. Wolkenstein USLM USLM Common Stock Award 93.5% 1,403 2,903 02 May 2025 Direct
\s\ Lila R. Weirich USLM USLM Common Stock Award 93.5% 1,403 2,903 02 May 2025 Direct
\s\ Tom S. Hawkins Jr. USLM USLM Common Stock Award 15.8% 1,403 10,263 02 May 2025 Direct
\s\ Antoine Doumet USLM Stock Option (right to buy) Award 3,809 3,809 02 May 2025 Direct
Sandra C. Duhe USLM USLM Common Stock Award 132.7% 1,403 2,460 02 May 2025 Direct
\s\ Richard W. Cardin USLM USLM Common Stock Award 9.79% 1,403 15,733 02 May 2025 Direct
* An asterisk sign (*) next to the price indicates that the price is likely invalid.