Data spanning the past 90 days through February 19, 2026 reveals that ASP Isotopes's three principal insider shareholders consist of TenPercentOwner Jensen Investment Management Ltd Ak (6.75Mn shares), Chief Executive Officer Paul Elliot Mann (5.09Mn shares), Director Hendrik Strydom (3.80Mn shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Jensen Investment Management Ltd Ak | 6,746,874 | 16 Oct, 2024 | |
| Paul Elliot Mann | Chief Executive Officer | 5,087,500 | 17 Feb, 2023 |
| Hendrik Strydom | 3,797,423 | 16 Nov, 2022 | |
| Sergey Vasnetsov | 2,800,000 | 16 Nov, 2022 | |
| Joshua Jay Donfeld | 1,000,000 | 16 Nov, 2022 | |
| Robert Ainscow | Chief Financial Officer | 900,000 | 17 Feb, 2023 |
| Robert John Andrew Ryan | 537,055 | 26 Feb, 2024 | |
| Duncan Moore | 400,000 | 16 Nov, 2022 | |
| Todd Wider | 400,000 | 16 Nov, 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 |
|---|---|---|---|---|---|---|---|---|
| 11 Oct, 2024 | Jensen Investment Management Ltd Ak | Common Stock, par value $0.01 per share | A | 30,000 | $3.03 | 6,746,874 | I | A |
| 02 Aug, 2024 | Jensen Investment Management Ltd Ak | Common Stock | D | 80,000 | $2.23 | 6,566,874 | I | S |
| 01 Aug, 2024 | Jensen Investment Management Ltd Ak | Common Stock, par value $0.01 per share ("Common Stock") | D | 31,849 | $2.45 | 6,646,874 | I | S |
| 10 Jul, 2024 | Jensen Investment Management Ltd Ak | Common Stock | A | 61,849 | $3.40 | 6,678,723 | I | P |
| 09 Jul, 2024 | Jensen Investment Management Ltd Ak | Common Stock | A | 30,000 | $3.05 | 6,616,874 | I | P |
| 08 Jul, 2024 | Jensen Investment Management Ltd Ak | Common Stock, par value $0.01 per share ("Common Stock") | A | 70,000 | $3.05 | 6,586,874 | I | P |
| 29 Jan, 2024 | Robert John Andrew Ryan | Common Stock | A | 15,596 | $2.35 | 537,055 | D | P |
| 29 Jan, 2024 | Robert John Andrew Ryan | - | - | 537,055 | D | |||
| 25 Jan, 2024 | Robert John Andrew Ryan | Common Stock | A | 100 | $2.54 | 521,459 | D | P |
| 25 Jan, 2024 | Robert John Andrew Ryan | - | - | 521,459 | D | |||
| 17 Jan, 2024 | Robert John Andrew Ryan | Common Stock | A | 100 | $1.91 | 521,359 | D | P |
| 17 Jan, 2024 | Robert John Andrew Ryan | - | - | 521,359 | D | |||
| 16 Jan, 2024 | Robert John Andrew Ryan | - | - | 521,259 | D | |||
| 16 Jan, 2024 | Robert John Andrew Ryan | Common Stock | A | 2,550 | $1.92 | 521,259 | D | P |
| 14 Jan, 2024 | Robert John Andrew Ryan | - | - | 518,709 | D | |||
| 14 Jan, 2024 | Robert John Andrew Ryan | Common Stock | A | 50,251 | - | 518,709 | D | A |
| 30 Dec, 2022 | Paul Elliot Mann | Common Stock | A | 1,000,000 | $0.00 | 5,087,500 | D | A |
| 30 Dec, 2022 | Robert Ainscow | Common Stock | A | 50,000 | $0.00 | 900,000 | D | A |
| 15 Nov, 2022 | Sergey Vasnetsov | Common Stock | A | 600,000 | $0.00 | 2,800,000 | I | A |
| 15 Nov, 2022 | Todd Wider | Common Stock | A | 200,000 | $0.00 | 400,000 | D | A |