STEX's three largest insider shareholders as of May 30, 2026 are Anthony N. Amato (Chief Executive Officer, 3.03Mn shares), Kenneth L Londoner (Chief Executive Officer, 2.73Mn shares), Frank Giustra (TenPercentOwner, 1.28Mn shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Donald E Foley | - | 221,999 | 0 | 18 Aug, 2023 |
| Frank Giustra | - | 0 | 1,278,205 | 04 Feb, 2026 |
| Steven J Buhaly | Chief Financial Officer | 232,882 | 0 | 08 Feb, 2023 |
| Steve Chaussy | Chief Financial Officer | 1,051,553 | 0 | 02 Sep, 2022 |
| Kenneth L Londoner | Chief Executive Officer | 2,726,720 | 0 | 04 Dec, 2023 |
| James L Klein | - | 299,249 | 0 | 18 Aug, 2023 |
| James J Barry | - | 71,249 | 0 | 18 Aug, 2023 |
| Patrick Joseph Gallagher | - | 133,743 | 0 | 15 Aug, 2023 |
| Iv David Weild | - | 114,999 | 0 | 18 Aug, 2023 |
| Ferdinand Groenewald | Cfo | 295,000 | 0 | 20 Nov, 2025 |
| John Sieckhaus | Chief Operating Officer | 457,920 | 0 | 05 Dec, 2023 |
| Frederick Hrkac | - | 612,846 | 0 | 28 Apr, 2025 |
| Gray Fleming | Chief Commercial Officer | 463,556 | 0 | 05 Dec, 2023 |
| Christopher Allen Baer | - | 103,345 | 0 | 28 Apr, 2025 |
| Anthony N. Amato | Chief Executive Officer | 3,031,547 | 0 | 02 Jun, 2025 |
| Steven Eric Abelman | - | 103,345 | 0 | 28 Apr, 2025 |
| Donald Browne | - | 228,345 | 0 | 20 Nov, 2025 |
| Mitchell Young Williams | Chief Investment Officer | 1,051,511 | 0 | 26 Jan, 2026 |
| Morgan Lee Lekstrom | Executive Chairman | 0 | 122,500 | 18 Feb, 2026 |
| Kevin Roy Gopaul | - | 100,000 | 0 | 07 Jan, 2026 |
| Anthony Mark Marciano | - | 100,000 | 0 | 24 Feb, 2026 |
| Christine Marie Plummer | Chief Financial Officer | 500,000 | 0 | 26 Mar, 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Apr, 2026 | Christine Marie Plummer | Common stock | D | 10,922 | $1.10 | 489,078 | D | S |
| 15 Apr, 2026 | Christine Marie Plummer | Common stock | D | 2,581 | $1.08 | 486,497 | D | S |
| 16 Mar, 2026 | Christine Marie Plummer | Common Stock | A | 500,000 | $0.00 | 500,000 | D | A |
| 23 Feb, 2026 | Anthony Mark Marciano | Common Stock | A | 100,000 | $0.00 | 100,000 | D | A |
| 18 Feb, 2026 | Morgan Lee Lekstrom | Common Stock | A | 20,000 | $2.50 | 122,500 | I | P |
| 04 Feb, 2026 | Frank Giustra | Common Stock | A | 100,000 | $3.17 | 1,278,205 | I | P |
| 03 Feb, 2026 | Morgan Lee Lekstrom | Common Stock | A | 23,500 | $3.06 | 102,500 | I | P |
| 29 Jan, 2026 | Morgan Lee Lekstrom | Common Stock | A | 2,500 | $3.70 | 79,000 | I | P |
| 27 Jan, 2026 | Morgan Lee Lekstrom | Common Stock | A | 5,500 | $3.12 | 76,500 | I | P |
| 26 Jan, 2026 | Morgan Lee Lekstrom | Common Stock | A | 23,000 | $3.30 | 71,000 | I | P |
| 23 Jan, 2026 | Frank Giustra | Common Stock | A | 1,000,000 | $3.00 | 1,178,205 | I | P |
| 23 Jan, 2026 | Mitchell Young Williams | Common Stock | A | 51,511 | $3.03 | 1,051,511 | D | P |
| 23 Jan, 2026 | Mitchell Young Williams | Common Stock | A | 51,511 | $3.03 | 1,051,511 | D | P |
| 23 Jan, 2026 | Mitchell Young Williams | Common Stock | A | 51,511 | $3.03 | 1,051,511 | D | P |
| 23 Jan, 2026 | Morgan Lee Lekstrom | Common Stock | A | 41,000 | $3.13 | 48,000 | I | P |
| 05 Jan, 2026 | Kevin Roy Gopaul | Common Stock | A | 100,000 | $0.00 | 100,000 | D | A |
| 21 Nov, 2025 | Morgan Lee Lekstrom | Common Stock | A | 7,000 | $3.58 | 7,000 | I | P |
| 18 Nov, 2025 | Ferdinand Groenewald | Common Stock | A | 60,000 | $0.00 | 295,000 | D | A |
| 18 Nov, 2025 | Donald Browne | Common Stock | A | 125,000 | $0.00 | 228,345 | D | A |
| 25 Jul, 2025 | Frank Giustra | Common Stock | A | 4,975 | $4.64 | 4,975 | I | P |