United States Lime & Minerals Inc (USLM) Insider Ownership

Historic Insider Ownership Trends

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Enterprises Ltd Inberdon - 3,530,756 0 14 Dec, 2021
Timothy W Byrne President Ceo 114,741 0 02 Jan, 2026
Antoine M Doumet - 110,000 0 18 Mar, 2026
Bill Hughes Senior Vice President 26,188 0 08 May, 2023
Bill Hughes - 25,888 0 03 May, 2022
Richard W Cardin - 15,733 0 05 May, 2025
Tom S Jr Hawkins - 10,083 180 05 Dec, 2025
Russell W Riggs Vice President 9,128 0 06 Feb, 2023
Russell W Riggs Vice President 9,036 0 04 Feb, 2022
Nathan O'Neill Vice President 8,129 0 04 Feb, 2026
Michael L Wiedemer Vice President 6,786 0 04 Feb, 2026
John J Gagnon Vice President 6,151 0 04 Feb, 2026
Timothy Wade Stone Vice President 5,176 0 04 Feb, 2026
Ray M Harlin - 4,000 0 03 May, 2022
Richard W Cardin - 3,866 0 03 May, 2022
Lila R Weirich - 2,903 0 05 May, 2025
Jon A Wolkenstein - 2,903 0 05 May, 2025
Sandra C Duhe - 2,254 0 04 Mar, 2026
Michael L Wiedemer Vice President 885 0 04 Feb, 2022
Edward A Odishaw - 800 0 03 May, 2022
Timothy Wade Stone Director Sales Marketing 549 0 04 Feb, 2022

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
17 Mar, 2026 Antoine M Doumet USLM Common Stock A 12,000 $10.71 110,000 D M
17 Mar, 2026 Antoine M Doumet Stock Option (right to buy) D 12,000 $10.71 0 D M
03 Mar, 2026 Sandra C Duhe USLM Common Stock D 1,277 $120.45 2,254 D S
02 Feb, 2026 Timothy Wade Stone USLM Common Stock D 100 $123.61 4,976 D F
02 Feb, 2026 Nathan O'Neill USLM Common Stock D 105 $123.61 7,869 D F
02 Feb, 2026 John J Gagnon USLM Common Stock D 75 $123.61 6,064 D F
02 Feb, 2026 Michael L Wiedemer USLM Common Stock D 95 $123.61 6,525 D F
03 Feb, 2026 Michael L Wiedemer USLM Common Stock D 165 $118.13 6,360 D F
03 Feb, 2026 Timothy Wade Stone USLM Common Stock D 136 $118.13 4,840 D F
03 Feb, 2026 John J Gagnon USLM Common Stock D 123 $118.13 5,941 D F
03 Feb, 2026 Nathan O'Neill USLM Common Stock D 166 $118.13 7,703 D F
02 Feb, 2026 John J Gagnon USLM Common Stock A 210 $123.61 6,151 D A
02 Feb, 2026 Timothy Wade Stone USLM Common Stock A 336 $123.61 5,176 D A
02 Feb, 2026 Nathan O'Neill USLM Common Stock A 426 $123.61 8,129 D A
02 Feb, 2026 Michael L Wiedemer USLM Common Stock A 426 $123.61 6,786 D A
31 Dec, 2025 Timothy W Byrne USLM Common Stock D 18,691 $119.74 67,241 D F
31 Dec, 2025 Timothy W Byrne USLM Common Stock A 47,500 $119.74 114,741 D A
04 Dec, 2025 Tom S Jr Hawkins USLM Common Stock D 80 $0.00 10,183 D G
04 Dec, 2025 Tom S Jr Hawkins USLM Common Stock D 100 $0.00 10,083 D G
04 Dec, 2025 Tom S Jr Hawkins USLM Common Stock A 100 $0.00 180 I G