As of June 09, 2026, the three largest insider holders of TPL are Kinetics Asset Management Llc Horizon (TenPercentOwner, 3.44Mn shares), Kinetics Asset Management Llc Horizon (TenPercentOwner, 3.44Mn shares), Eric L Oliver (Director, 1.18Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Kinetics Asset Management Llc Horizon | - | 3,435,503 | 0 | 24 Apr, 2026 |
| John R Iii Norris | - | 3,417 | 0 | 03 Jan, 2023 |
| Eric L Oliver | - | 0 | 1,180,800 | 22 Aug, 2025 |
| Murray Stahl | - | 6,804 | 1,050,924 | 26 Dec, 2023 |
| Rhys J Best | - | 3,299 | 0 | 07 Jan, 2026 |
| Stephanie Buffington | Chief Accounting Officer | 2,133 | 0 | 25 Feb, 2026 |
| Karl F Kurz | - | 2,624 | 0 | 07 Jan, 2026 |
| Donald G Cook | - | 3,086 | 0 | 07 Jan, 2026 |
| Marguerite Woung-Chapman | - | 1,769 | 0 | 07 Jan, 2026 |
| Barbara J Duganier | - | 2,921 | 0 | 07 Jan, 2026 |
| Tyler Glover | President Ceo | 44,171 | 0 | 18 Feb, 2026 |
| David E. Barry | - | 1,326 | 0 | 03 Jan, 2023 |
| Robert M. Roosa | - | 1,769 | 0 | 07 Jan, 2026 |
| Donna E Epps | - | 2,921 | 0 | 27 Feb, 2026 |
| Dana F. Mcginnis | - | 3,255 | 0 | 07 Mar, 2022 |
| Micheal W. Dobbs | Senior Vp, Secretary And Gc | 7,845 | 0 | 18 Feb, 2026 |
| Chris Steddum | Chief Financial Officer | 16,040 | 0 | 18 Feb, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 23 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $436.73 | 3,435,503 | D | P |
| 22 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $437.87 | 3,435,502 | D | P |
| 21 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $441.84 | 3,435,501 | D | P |
| 20 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $427.65 | 3,435,500 | D | P |
| 17 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $419.94 | 3,435,499 | D | P |
| 16 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $424.47 | 3,435,498 | D | P |
| 15 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $419.26 | 3,435,497 | D | P |
| 14 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $413.96 | 3,435,496 | D | P |
| 13 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $414.88 | 3,435,495 | D | P |
| 10 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $407.06 | 3,435,494 | D | P |
| 09 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $401.64 | 3,435,493 | D | P |
| 07 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $447.12 | 3,435,489 | D | P |
| 08 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 3 | $449.00 | 3,435,492 | D | P |
| 06 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $443.42 | 3,461,296 | D | P |
| 02 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $443.26 | 3,461,344 | D | P |
| 01 Apr, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $454.04 | 3,461,343 | D | P |
| 31 Mar, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $470.18 | 3,467,937 | D | P |
| 30 Mar, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $494.25 | 3,467,936 | D | P |
| 26 Mar, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $526.13 | 3,467,934 | D | P |
| 27 Mar, 2026 | Kinetics Asset Management Llc Horizon | Common Stock | A | 1 | $518.21 | 3,467,935 | D | P |