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.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Doumet Antoine M | Director | 90,000 | Sep 11, 2026 | 3 |
| Candou Holdings Ltd. | 10% Owner | 17,673,780Indirect | Sep 11, 2026 | 1 |
| Hawkins Tom S Jr | Director | 11,356 | May 5, 2026 | 2 |
| Cardin Richard W | Director | 17,006 | May 4, 2026 | 1 |
| Duhe Sandra C | Director | 3,527 | May 4, 2026 | 2 |
| Weirich Lila R | Director | 4,176 | May 4, 2026 | 1 |
| Wolkenstein Jon A | Director | 4,176 | May 4, 2026 | 1 |
| Wiedemer Michael L | Vice President | 6,786 | Feb 4, 2026 | 1 |
| Stone Timothy Wade | Vice President | 5,176 | Feb 4, 2026 | 1 |
| Gagnon John J | Vice President | 6,151 | Feb 4, 2026 | 1 |
| O'Neill Nathan | Vice President | 8,129 | Feb 4, 2026 | 1 |
| Byrne Timothy W | President & CEO | 114,741 | Jan 2, 2026 | 1 |
| Hughes Bill | Director | 26,188 | May 8, 2023 | 0 |
| Riggs Russell W | Vice President | 9,128 | Feb 6, 2023 | 0 |
| Inberdon Enterprises Ltd | 10% Owner | 3,530,756 | Jan 25, 2023 | 0 |
| Doumet George Michel | 10% Owner | 3,530,756 | Jan 25, 2023 | 0 |
| Harlin Ray M | Director | 4,000 | May 3, 2022 | 0 |
| Odishaw Edward A | Director | 800 | May 3, 2022 | 0 |
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.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 11, 2026 (view filing)4:12 PM ET | Sep 9 | 2 days | Doumet Antoine MDirector | SSaleUSLM Common Stock | −20.0K | $110.00 | −$2.20M | −18.2%90.0K after | |
| Sep 11, 2026 (view filing)4:10 PM ET | Sep 9 | 2 days | Candou Holdings Ltd.10% Owner | PPurchaseUSLM Common Stock | +20.0K | $110.00 | +$2.20M | +0.1%17.7M after | |
| Mar 4, 2026 (view filing) | Mar 3 | 1 day | Duhe Sandra CDirector | SSaleUSLM Common Stock | −1.28K | $120.45 | −$153.8K | −36.2%2.25K after | |
| Sep 5, 2025 (view filing) | Sep 3-4 | 2 days | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −39.5K | $120.57 | −$4.77M | −31.4%86.4K after | 4 lots |
| Feb 25, 2025 (view filing) | Feb 24 | 1 day | Duhe Sandra CDirector | SSaleUSLM Common Stock | −3.16K | $94.61 | −$298.7K | −59.7%2.13K after | |
| Nov 21, 2024 (view filing) | Nov 19-20 | 2 days | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −44.2K | $140.67 | −$6.22M | −30.0%103.0K after | 3 lots |
| Nov 13, 2024 (view filing) | Nov 12 | 1 day | O'Neill NathanVice President | SSaleUSLM Common Stock | −1.75K | $139.73 | −$244.5K | −18.2%7.88K after | |
| Aug 26, 2024 (view filing) | Aug 22 | 4 days | Cardin Richard WDirector | SSaleUSLM Common Stock | −12.0K | $77.88 | −$934.6K | −45.6%14.3K after | |
| Jun 7, 2024 (view filing) | Jun 5-7 | 2 days | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −8.23K | $336.03 | −$2.76M | −21.8%29.5K after | 8 lots |
| Mar 14, 2024 (view filing) | Mar 14 | Same day | Duhe Sandra CDirector | SSaleUSLM Common Stock | −427 | $291.02 | −$124.3K | −48.3%457 after | |
| Feb 16, 2024 (view filing) | Feb 14-15 | 2 days | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −7.85K | $259.28 | −$2.04M | −20.9%29.8K after | 6 lots |
| Nov 13, 2023 (view filing) | Mar 12, 2021-Nov 9, 2023 | 976 daysLate | Stone Timothy WadeVice President | PPurchaseUSLM Common Stock | +202.09 | $199.46 | +$40.3K | +30.6%862.09 after | 12 lots |
| Sep 15, 2023 (view filing) | Jun 16-Sep 15 | 91 daysLate | Duhe Sandra CDirector | PPurchaseUSLM Common Stock | +1.18 | $204.45 | +$241.25 | +0.1%884.18 after | 2 lots |
| Sep 15, 2023 (view filing) | Sep 13 | 2 days | Duhe Sandra CDirector | SSaleUSLM Common Stock | −517 | $206.92 | −$107.0K | −36.9%883.59 after | |
| Aug 23, 2023 (view filing) | Aug 22-23 | 1 day | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −5.00K | $214.38 | −$1.07M | −15.9%26.5K after | 10 lots |
| May 23, 2023 (view filing) | May 19-23 | 4 days | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −7.31K | $188.04 | −$1.37M | −18.7%31.8K after | 12 lots |
| May 8, 2023 (view filing) | May 8 | Same day | O'Neill NathanVice President | SSaleUSLM Common Stock | −700 | $166.70 | −$116.7K | −28.6%1.75K after | 2 lots |
| Jan 25, 2023 (view filing)4:49 PM ET | Feb 22-Dec 10, 2021 | 702 days | Inberdon Enterprises Ltd and 1 other10% Owner | PPurchaseUSLM common stock | +52.4K | $127.09 | +$6.65M | +1.5%3.53M after | Amended3 lots |
| Dec 8, 2022 (view filing) | Dec 7 | 1 day | Hughes BillDirector | SSaleUSLM Common Stock | −500 | $148.00 | −$74.0K | −1.9%25.4K after | |
| Nov 8, 2022 (view filing) | Nov 4-8 | 4 days | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −4.12K | $129.42 | −$533.0K | −12.7%28.4K after | 6 lots |
| Aug 17, 2022 (view filing) | Aug 15-17 | 2 days | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −4.63K | $107.50 | −$497.3K | −12.5%32.5K after | 5 lots |
| Dec 14, 2021 (view filing) | Dec 10 | 4 days | Inberdon Enterprises Ltd10% Owner | PPurchaseUSLM Common Stock | +24.1K | $122.22 | +$2.95M | +0.7%3.53M after | |
| Dec 2, 2021 (view filing) | Dec 1 | 1 day | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −1.32K | $121.15 | −$159.9K | −4.2%29.8K after | |
| Dec 1, 2021 (view filing) | Nov 29 | 2 days | Inberdon Enterprises Ltd10% Owner | PPurchaseUSLM Common Stock | +17.5K | $126.00 | +$2.21M | +0.5%3.51M after | |
| Nov 9, 2021 (view filing) | Nov 8 | 1 day | Odishaw Edward ADirector | SSaleUSLM Common Stock | −800 | $135.00 | −$108.0K | −100.0%0 after | |
| Sep 13, 2021 (view filing) | Sep 9-13 | 4 days | Byrne Timothy WPresident & CEO | SSaleUSLM Common Stock | −5.68K | $137.08 | −$778.6K | −15.4%31.2K after | 7 lots |