As of April 25, 2026, Astrotech's top three insider holders are Braden Michael Leonard (TenPercentOwner, 6.61Mn shares), Braden Michael Leonard (TenPercentOwner, 6.35Mn shares), Ronald W Cantwell (Director, 182.32K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Braden Michael Leonard | - | 0 | 6,612,311 | 02 Dec, 2022 |
| Braden Michael Leonard | - | 0 | 6,346,340 | 18 Nov, 2022 |
| Ronald W Cantwell | - | 182,324 | 0 | 18 Apr, 2022 |
| Thomas Boone Iii Pickens | Ceo | 181,385 | 0 | 16 May, 2025 |
| Thomas Wiley Wilkinson | - | 23,862 | 0 | 15 May, 2025 |
| James Frank Becker | - | 16,121 | 0 | 29 May, 2024 |
| Daniel T Jr Russler | - | 14,904 | 0 | 19 Mar, 2024 |
| Robert N Mcfarland | - | 13,900 | 0 | 16 May, 2025 |
| Eric Stober | Cfo | 10,331 | 0 | 16 May, 2025 |
| Jaime Hinojosa | Cfo | 7,881 | 0 | 24 May, 2024 |
| Jennifer Canas | Chief Financial Officer | 5,250 | 0 | 04 Jun, 2025 |
| Charles Arch Winn | - | 3,889 | 0 | 16 May, 2025 |
| John William Halinski | - | 3,000 | 0 | 16 May, 2025 |
* 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 Oct, 2025 | Braden Michael Leonard | Common Stock | D | 220,410 | $7.13 | 0 | I | S |
| 03 Oct, 2025 | Braden Michael Leonard | Common Stock | D | 9,166 | $5.83 | 0 | D | S |
| 22 May, 2025 | Jennifer Canas | Employee Stock Options (right to buy) | A | 5,250 | $0.00 | 5,250 | D | A |
| 22 May, 2025 | Jennifer Canas | Common Stock | A | 5,250 | $0.00 | 5,250 | D | A |
| 14 May, 2025 | John William Halinski | Common Stock | A | 3,000 | $0.00 | 3,000 | D | A |
| 14 May, 2025 | Charles Arch Winn | Common Stock | A | 3,000 | $0.00 | 3,889 | D | A |
| 14 May, 2025 | Eric Stober | Common Stock | A | 3,000 | $0.00 | 10,331 | D | A |
| 14 May, 2025 | Robert N Mcfarland | Common Stock | A | 3,000 | $0.00 | 13,900 | D | A |
| 14 May, 2025 | Thomas Boone Iii Pickens | Common Stock | A | 50,000 | $0.00 | 181,385 | D | A |
| 14 May, 2025 | Thomas Wiley Wilkinson | Common Stock | A | 3,000 | $0.00 | 23,862 | D | A |
| 28 Aug, 2024 | Jaime Hinojosa | Stock Options | A | 8,860 | $0.00 | 30,062 | D | A |
| 28 Aug, 2024 | Thomas Boone Iii Pickens | Stock Options | A | 25,310 | $0.00 | 102,269 | D | A |
| 28 May, 2024 | James Frank Becker | Common Stock | A | 934 | $9.50 | 15,021 | D | P |
| 29 May, 2024 | James Frank Becker | Common Stock | A | 1,100 | $9.82 | 16,121 | D | P |
| 23 May, 2023 | Jaime Hinojosa | Common Stock | A | 900 | $9.49 | 7,881 | D | P |
| 21 May, 2024 | Thomas Wiley Wilkinson | Common Stock | A | 1,109 | $9.50 | 20,862 | D | P |
| 15 Mar, 2024 | Daniel T Jr Russler | Common Stock | A | 387 | $8.42 | 14,904 | D | P |
| 15 Mar, 2023 | Robert N Mcfarland | Common Stock | A | 1,185 | $8.50 | 10,900 | D | P |
| 12 Mar, 2024 | Daniel T Jr Russler | Common Stock | A | 500 | $8.29 | 14,517 | D | P |
| 12 Mar, 2024 | James Frank Becker | Common Stock | A | 958 | $8.14 | 12,599 | D | P |