Based on data from the past 90 days ending February 19, 2026, Perspective Therapeutics's three largest insider shareholders are TenPercentOwner Alpha Therapy, Llc Lantheus (11.68Mn shares), Director Lori A Woods (183.46K shares), Chief Medical Officer Markus Puhlmann (137.54K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Alpha Therapy, Llc Lantheus | 11,677,339 | 08 Mar, 2024 | |
| Markus Puhlmann | Chief Medical Officer | 137,543 | 26 Jan, 2024 |
| Lori A Woods | 183,460 | 01 Apr, 2025 | |
| Robert F Iii Williamson | 118,846 | 01 Apr, 2025 | |
| Mark John Austin | Vp Finance/Prin Fin&Acct Offic | 8,403 | 24 Apr, 2024 |
| Jennifer Streeter | Coo & Vp Of Hr | 7,794 | 22 Sep, 2022 |
| Johan M. Spoor | Chief Executive Officer | 64,033 | 01 Apr, 2025 |
| Jonathan Robert Hunt | Chief Accounting Officer | 59,800 | 17 Nov, 2025 |
| Juan Graham | Chief Financial Officer | 35,354 | 01 Apr, 2025 |
| Heidi Henson | 25,975 | 06 Dec, 2024 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Nov, 2025 | Jonathan Robert Hunt | Common Stock | A | 11,000 | $2.03 | 59,800 | D | P |
| 12 Nov, 2025 | Robert F Iii Williamson | Common Stock | A | 9,498 | $2.10 | 9,864 | I | P |
| 31 Mar, 2025 | Lori A Woods | - | - | 183,460 | I | |||
| 31 Mar, 2025 | Lori A Woods | Common Stock | A | 23,475 | $2.13 | 183,460 | I | P |
| 31 Mar, 2025 | Robert F Iii Williamson | Common Stock | A | 38,145 | $2.14 | 108,982 | D | P |
| 31 Mar, 2025 | Robert F Iii Williamson | - | - | 108,982 | D | |||
| 28 Mar, 2025 | Robert F Iii Williamson | Common Stock | A | 22,192 | $2.27 | 70,837 | D | P |
| 28 Mar, 2025 | Johan M. Spoor | Common Stock | A | 22,026 | $2.24 | 59,383 | D | P |
| 28 Mar, 2025 | Johan M. Spoor | Common Stock | A | 4,650 | $2.21 | 4,650 | I | P |
| 28 Mar, 2025 | Johan M. Spoor | - | - | 59,383 | D | |||
| 28 Mar, 2025 | Johan M. Spoor | - | - | 4,650 | I | |||
| 28 Mar, 2025 | Juan Graham | Common Stock | A | 33,333 | $2.25 | 35,354 | D | P |
| 04 Dec, 2024 | Heidi Henson | Common Stock | A | 25,975 | $3.85 | 25,975 | I | P |
| 04 Dec, 2024 | Heidi Henson | - | - | 25,975 | I | |||
| 04 Dec, 2024 | Johan M. Spoor | Common Stock | A | 8,000 | $3.77 | 36,257 | D | P |
| 25 Nov, 2024 | Jonathan Robert Hunt | Common Stock | A | 400 | $3.55 | 36,371 | D | P |
| 25 Nov, 2024 | Jonathan Robert Hunt | Common Stock | A | 29 | $3.94 | 36,400 | D | P |
| 25 Nov, 2024 | Jonathan Robert Hunt | - | - | 36,400 | D | |||
| 25 Nov, 2024 | Jonathan Robert Hunt | - | - | 36,371 | D | |||
| 25 Nov, 2024 | Jonathan Robert Hunt | - | - | 38,800 | D |