There have been 50 recent insider transactions recorded for United States Lime & Minerals, Inc. (USLM), including 11 buys and 32 sells. Total insider buying was valued at $8.49M and total insider selling at $11.91M.
Notable insiders with recent activity include Doumet Antoine M, Duhe Sandra C, Wiedemer Michael L. Insider transactions can provide insights into how company leadership views the stock's valuation and future prospects.
Insider Transactions — USLM
| Date |
Name |
Role |
Transaction |
Shares |
Avg. Price |
Value |
Shares Owned |
| 2026-03-17 |
Doumet Antoine M |
Director |
Option Exercise (Sell) |
12,000 |
$10.71 |
$128.52K |
- |
| 2026-03-03 |
Duhe Sandra C |
Director |
Informative Sell |
1,277 |
$120.45 |
$153.81K |
2,254 |
| 2026-02-03 |
Wiedemer Michael L |
Vice President |
Tax Withholding of RSU |
165 |
$118.13 |
$19.49K |
6,360 |
| 2026-02-03 |
Stone Timothy Wade |
Vice President |
Tax Withholding of RSU |
136 |
$118.13 |
$16.07K |
4,840 |
| 2026-02-03 |
Gagnon John J |
Vice President |
Tax Withholding of RSU |
123 |
$118.13 |
$14.53K |
5,941 |
| 2026-02-03 |
O'neill Nathan |
Vice President |
Tax Withholding of RSU |
166 |
$118.13 |
$19.61K |
7,703 |
| 2026-02-02 |
Wiedemer Michael L |
Vice President |
Tax Withholding of RSU |
95 |
$123.61 |
$11.74K |
6,525 |
| 2026-02-02 |
Stone Timothy Wade |
Vice President |
Tax Withholding of RSU |
100 |
$123.61 |
$12.36K |
4,976 |
| 2026-02-02 |
Gagnon John J |
Vice President |
Tax Withholding of RSU |
75 |
$123.61 |
$9.27K |
6,064 |
| 2026-02-02 |
O'neill Nathan |
Vice President |
Tax Withholding of RSU |
105 |
$123.61 |
$12.98K |
7,869 |
| 2025-12-31 |
Byrne Timothy W |
President & CEO |
Tax Withholding of RSU |
18,691 |
$119.74 |
$2.24M |
67,241 |
| 2025-12-04 |
Hawkins Tom S Jr |
Director |
Gift (Received) |
100 |
- |
- |
180 |
| 2025-09-05 |
Byrne Timothy W |
President & CEO |
Gift (Given) |
500 |
$120.99 |
$60.5K |
85,932 |
| 2025-09-04 |
Byrne Timothy W |
President & CEO |
Informative Sell |
596 |
$120.76 |
$71.97K |
86,432 |
| 2025-09-03 |
Byrne Timothy W |
President & CEO |
Informative Sell |
1,391 |
$124.18 |
$172.73K |
98,532 |
| 2025-05-02 |
Cardin Richard W |
Director |
RSU Award |
1,403 |
$99.81 |
$140.03K |
15,733 |
| 2025-05-02 |
Doumet Antoine M |
Director |
RSU Award |
3,809 |
$99.81 |
$380.18K |
3,809 |
| 2025-05-02 |
Duhe Sandra C |
Director |
RSU Award |
1,403 |
$99.81 |
$140.03K |
2,460 |
| 2025-05-02 |
Hawkins Tom S Jr |
Director |
RSU Award |
1,403 |
$99.81 |
$140.03K |
10,263 |
| 2025-05-02 |
Weirich Lila R |
Director |
RSU Award |
1,403 |
$99.81 |
$140.03K |
2,903 |
| 2025-05-02 |
Wolkenstein Jon A |
Director |
RSU Award |
1,403 |
$99.81 |
$140.03K |
2,903 |
| 2025-03-03 |
Doumet Antoine M |
Director |
Option Exercise (Sell) |
12,000 |
$13.34 |
$160.08K |
- |
| 2025-02-24 |
Duhe Sandra C |
Director |
Informative Sell |
3,157 |
$94.61 |
$298.68K |
2,128 |
| 2025-02-06 |
Stone Timothy Wade |
Vice President |
Gift (Given) |
40 |
- |
- |
5,076 |
| 2025-02-03 |
Wiedemer Michael L |
Vice President |
Tax Withholding of RSU |
116 |
$110.47 |
$12.81K |
6,194 |
| 2025-02-03 |
Stone Timothy Wade |
Vice President |
Tax Withholding of RSU |
103 |
$110.47 |
$11.38K |
4,780 |
| 2025-02-03 |
Gagnon John J |
Vice President |
Tax Withholding of RSU |
103 |
$110.47 |
$11.38K |
5,929 |
| 2025-02-03 |
O'neill Nathan |
Vice President |
Tax Withholding of RSU |
124 |
$110.47 |
$13.7K |
7,548 |
| 2025-02-02 |
Wiedemer Michael L |
Vice President |
Tax Withholding of RSU |
200 |
$110.58 |
$22.12K |
6,310 |
| 2025-02-02 |
Stone Timothy Wade |
Vice President |
Tax Withholding of RSU |
192 |
$110.58 |
$21.23K |
4,883 |
| 2025-02-02 |
Gagnon John J |
Vice President |
Tax Withholding of RSU |
178 |
$110.58 |
$19.68K |
6,032 |
| 2025-02-02 |
O'neill Nathan |
Vice President |
Tax Withholding of RSU |
208 |
$110.58 |
$23K |
7,672 |
| 2024-12-31 |
Byrne Timothy W |
President & CEO |
RSU Award |
47,500 |
$132.74 |
$6.31M |
125,957 |
| 2024-12-27 |
Byrne Timothy W |
President & CEO |
Tax Withholding of RSU |
24,593 |
$135.58 |
$3.33M |
78,457 |
| 2024-12-10 |
Hawkins Tom S Jr |
Director |
Gift (Received) |
80 |
- |
- |
80 |
| 2024-11-20 |
Byrne Timothy W |
President & CEO |
Informative Sell |
992 |
$141.00 |
$139.87K |
103,050 |
| 2024-11-19 |
Byrne Timothy W |
President & CEO |
Informative Sell |
22,261 |
$141.73 |
$3.16M |
125,004 |
| 2024-11-12 |
O'neill Nathan |
Vice President |
Informative Sell |
1,750 |
$139.73 |
$244.53K |
7,880 |
| 2024-11-01 |
Weirich Lila R |
Director |
Unknown |
- |
- |
- |
- |
| 2024-11-01 |
Wolkenstein Jon A |
Director |
Unknown |
- |
- |
- |
- |
| 2024-11-01 |
Weirich Lila R |
Director |
RSU Award |
1,500 |
$108.46 |
$162.69K |
1,500 |
| 2024-11-01 |
Wolkenstein Jon A |
Director |
RSU Award |
1,500 |
$108.46 |
$162.69K |
1,500 |
| 2024-08-22 |
Cardin Richard W |
Director |
Informative Sell |
12,000 |
$77.88 |
$934.56K |
14,300 |
| 2024-06-07 |
Byrne Timothy W |
President & CEO |
Informative Sell |
200 |
$330.32 |
$66.06K |
29,543 |
| 2024-06-06 |
Byrne Timothy W |
President & CEO |
Informative Sell |
25 |
$335.54 |
$8.39K |
29,743 |
| 2024-06-05 |
Byrne Timothy W |
President & CEO |
Informative Sell |
590 |
$340.29 |
$200.77K |
30,380 |
| 2024-05-22 |
Candou Holdings Ltd. |
10 Percent Owner |
Unknown |
- |
- |
- |
3,530,756 |
| 2024-05-07 |
Byrne Timothy W |
President & CEO |
Option Exercise (Sell) |
2,500 |
$140.76 |
$351.9K |
- |
| 2024-05-02 |
Cardin Richard W |
Director |
RSU Award |
600 |
$326.68 |
$196.01K |
5,266 |
| 2024-05-02 |
Doumet Antoine M |
Director |
RSU Award |
1,800 |
$326.68 |
$588.02K |
1,800 |
■ Informative Buy/Sell — open market transaction (most significant)
■ Uninformative Buy — award, option exercise, conversion
■ Uninformative Sell — tax withholding, award vest sale
■ Neutral — gift, trust, expiry
