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United States Lime & Minerals Inc

USLM
Exchange
Nasdaq
Industry
Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SEC CIK
0000082020

In the last 90 days, United States Lime & Minerals Inc insiders filed 1 open-market purchase and 1 sale; 235 institutions reported holding it in 13F filings for Q2 2026, worth $978.3M in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by United States Lime & Minerals Inc insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
1 filing
1 insider, $2.20M in total
Open-market sells
1 filing
1 insider, $2.20M in total
Insiders trading
2
Net value
$0
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for United States Lime & Minerals Inc, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for United States Lime & Minerals Inc
NameTitleLast reported holdingLast filingFilings, past year
Doumet Antoine MDirector90,000Sep 11, 20263
Candou Holdings Ltd.10% Owner17,673,780IndirectSep 11, 20261
Hawkins Tom S JrDirector11,356May 5, 20262
Cardin Richard WDirector17,006May 4, 20261
Duhe Sandra CDirector3,527May 4, 20262
Weirich Lila RDirector4,176May 4, 20261
Wolkenstein Jon ADirector4,176May 4, 20261
Wiedemer Michael LVice President6,786Feb 4, 20261
Stone Timothy WadeVice President5,176Feb 4, 20261
Gagnon John JVice President6,151Feb 4, 20261
O'Neill NathanVice President8,129Feb 4, 20261
Byrne Timothy WPresident & CEO114,741Jan 2, 20261
Hughes BillDirector26,188May 8, 20230
Riggs Russell WVice President9,128Feb 6, 20230
Inberdon Enterprises Ltd10% Owner3,530,756Jan 25, 20230
Doumet George Michel10% Owner3,530,756Jan 25, 20230
Harlin Ray MDirector4,000May 3, 20220
Odishaw Edward ADirector800May 3, 20220

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 11, 2026 (view filing)4:12 PM ETSep 92 daysDoumet Antoine MDirectorSSaleUSLM Common Stock−20.0K$110.00−$2.20M−18.2%90.0K after
Sep 11, 2026 (view filing)4:10 PM ETSep 92 daysCandou Holdings Ltd.10% OwnerPPurchaseUSLM Common Stock+20.0K$110.00+$2.20M+0.1%17.7M after
Mar 4, 2026 (view filing)Mar 31 dayDuhe Sandra CDirectorSSaleUSLM Common Stock−1.28K$120.45−$153.8K−36.2%2.25K after
Sep 5, 2025 (view filing)Sep 3-42 daysByrne Timothy WPresident & CEOSSaleUSLM Common Stock−39.5K$120.57−$4.77M−31.4%86.4K after4 lots
Feb 25, 2025 (view filing)Feb 241 dayDuhe Sandra CDirectorSSaleUSLM Common Stock−3.16K$94.61−$298.7K−59.7%2.13K after
Nov 21, 2024 (view filing)Nov 19-202 daysByrne Timothy WPresident & CEOSSaleUSLM Common Stock−44.2K$140.67−$6.22M−30.0%103.0K after3 lots
Nov 13, 2024 (view filing)Nov 121 dayO'Neill NathanVice PresidentSSaleUSLM Common Stock−1.75K$139.73−$244.5K−18.2%7.88K after
Aug 26, 2024 (view filing)Aug 224 daysCardin Richard WDirectorSSaleUSLM Common Stock−12.0K$77.88−$934.6K−45.6%14.3K after
Jun 7, 2024 (view filing)Jun 5-72 daysByrne Timothy WPresident & CEOSSaleUSLM Common Stock−8.23K$336.03−$2.76M−21.8%29.5K after8 lots
Mar 14, 2024 (view filing)Mar 14Same dayDuhe Sandra CDirectorSSaleUSLM Common Stock−427$291.02−$124.3K−48.3%457 after
Feb 16, 2024 (view filing)Feb 14-152 daysByrne Timothy WPresident & CEOSSaleUSLM Common Stock−7.85K$259.28−$2.04M−20.9%29.8K after6 lots
Nov 13, 2023 (view filing)Mar 12, 2021-Nov 9, 2023976 daysLateStone Timothy WadeVice PresidentPPurchaseUSLM Common Stock+202.09$199.46+$40.3K+30.6%862.09 after12 lots
Sep 15, 2023 (view filing)Jun 16-Sep 1591 daysLateDuhe Sandra CDirectorPPurchaseUSLM Common Stock+1.18$204.45+$241.25+0.1%884.18 after2 lots
Sep 15, 2023 (view filing)Sep 132 daysDuhe Sandra CDirectorSSaleUSLM Common Stock−517$206.92−$107.0K−36.9%883.59 after
Aug 23, 2023 (view filing)Aug 22-231 dayByrne Timothy WPresident & CEOSSaleUSLM Common Stock−5.00K$214.38−$1.07M−15.9%26.5K after10 lots
May 23, 2023 (view filing)May 19-234 daysByrne Timothy WPresident & CEOSSaleUSLM Common Stock−7.31K$188.04−$1.37M−18.7%31.8K after12 lots
May 8, 2023 (view filing)May 8Same dayO'Neill NathanVice PresidentSSaleUSLM Common Stock−700$166.70−$116.7K−28.6%1.75K after2 lots
Jan 25, 2023 (view filing)4:49 PM ETFeb 22-Dec 10, 2021702 daysInberdon Enterprises Ltd and 1 other10% OwnerPPurchaseUSLM common stock+52.4K$127.09+$6.65M+1.5%3.53M afterAmended3 lots
Dec 8, 2022 (view filing)Dec 71 dayHughes BillDirectorSSaleUSLM Common Stock−500$148.00−$74.0K−1.9%25.4K after
Nov 8, 2022 (view filing)Nov 4-84 daysByrne Timothy WPresident & CEOSSaleUSLM Common Stock−4.12K$129.42−$533.0K−12.7%28.4K after6 lots
Aug 17, 2022 (view filing)Aug 15-172 daysByrne Timothy WPresident & CEOSSaleUSLM Common Stock−4.63K$107.50−$497.3K−12.5%32.5K after5 lots
Dec 14, 2021 (view filing)Dec 104 daysInberdon Enterprises Ltd10% OwnerPPurchaseUSLM Common Stock+24.1K$122.22+$2.95M+0.7%3.53M after
Dec 2, 2021 (view filing)Dec 11 dayByrne Timothy WPresident & CEOSSaleUSLM Common Stock−1.32K$121.15−$159.9K−4.2%29.8K after
Dec 1, 2021 (view filing)Nov 292 daysInberdon Enterprises Ltd10% OwnerPPurchaseUSLM Common Stock+17.5K$126.00+$2.21M+0.5%3.51M after
Nov 9, 2021 (view filing)Nov 81 dayOdishaw Edward ADirectorSSaleUSLM Common Stock−800$135.00−$108.0K−100.0%0 after
Sep 13, 2021 (view filing)Sep 9-134 daysByrne Timothy WPresident & CEOSSaleUSLM Common Stock−5.68K$137.08−$778.6K−15.4%31.2K after7 lots