Based on data from the past 90 days ending February 19, 2026, United States Lime & Minerals's three largest insider shareholders are TenPercentOwner Enterprises Ltd Inberdon (17.65Mn shares), Director Bill Hughes (130.94K shares), President & Ceo Timothy W Byrne (114.74K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Enterprises Ltd Inberdon | 17,653,780 | 14 Dec, 2021 | |
| Timothy W Byrne | President & Ceo | 114,741 | 02 Jan, 2026 |
| Antoine M Doumet | 98,000 | 05 Mar, 2025 | |
| Bill Hughes | 130,940 | 08 May, 2023 | |
| Richard W Cardin | 15,733 | 05 May, 2025 | |
| Tom S Jr Hawkins | 10,263 | 05 Dec, 2025 | |
| Russell W Riggs | Vice President | 45,640 | 06 Feb, 2023 |
| Nathan O'Neill | Vice President | 8,129 | 04 Feb, 2026 |
| Michael L Wiedemer | Vice President | 6,786 | 04 Feb, 2026 |
| John J Gagnon | Vice President | 6,151 | 04 Feb, 2026 |
| Timothy Wade Stone | Vice President | 5,176 | 04 Feb, 2026 |
| Ray M Harlin | 20,000 | 03 May, 2022 | |
| Jon A Wolkenstein | 2,903 | 05 May, 2025 | |
| Lila R Weirich | 2,903 | 05 May, 2025 | |
| Sandra C Duhe | 2,460 | 05 May, 2025 | |
| Edward A Odishaw | 4,000 | 03 May, 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.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 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 | Michael L Wiedemer | USLM Common Stock | D | 95 | $123.61 | 6,525 | D | F |
| 02 Feb, 2026 | Michael L Wiedemer | USLM Common Stock | A | 426 | $123.61 | 6,786 | D | A |
| 02 Feb, 2026 | Timothy Wade Stone | USLM Common Stock | A | 336 | $123.61 | 5,176 | D | A |
| 02 Feb, 2026 | Timothy Wade Stone | USLM Common Stock | D | 100 | $123.61 | 4,976 | D | F |
| 02 Feb, 2026 | John J Gagnon | USLM Common Stock | D | 75 | $123.61 | 6,064 | D | F |
| 02 Feb, 2026 | John J Gagnon | USLM Common Stock | A | 210 | $123.61 | 6,151 | D | A |
| 02 Feb, 2026 | Nathan O'Neill | USLM Common Stock | D | 105 | $123.61 | 7,869 | D | F |
| 02 Feb, 2026 | Nathan O'Neill | USLM Common Stock | A | 426 | $123.61 | 8,129 | D | A |
| 31 Dec, 2025 | Timothy W Byrne | - | - | 114,741 | D | |||
| 31 Dec, 2025 | Timothy W Byrne | - | - | 67,241 | D | |||
| 31 Dec, 2025 | Timothy W Byrne | USLM Common Stock | A | 47,500 | $119.74 | 114,741 | D | A |
| 31 Dec, 2025 | Timothy W Byrne | USLM Common Stock | D | 18,691 | $119.74 | 67,241 | D | F |
| 04 Dec, 2025 | Tom S Jr Hawkins | - | - | 10,183 | D | |||
| 04 Dec, 2025 | Tom S Jr Hawkins | - | - | 10,083 | D | |||
| 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 | - | - | 180 | I |