ASTCASTROTECH Corp
- Market cap
- $10.59M
- as of 2026-10-23
- Latest close
- $5.04
- as of 2026-10-23
- Sector
- Technology
- as of 2026-10-24
- Industry
- Scientific & Technical Instruments
- as of 2026-10-24
Cluster
No cluster in the last 90 days under the default rule (14d · ≥2 insiders · all roles).
Form 4 historysince 2023-10-02
Dashed line = amended filing (Form 4/A)
| Insider | Traded | Filed | Type | Shares | Price | Value | Owned after | 10b5-1 plan | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Stober Eric | Sep 30 | Oct 2 | A | 1,473 | $0.00 | $0 | 21,127 | No | Form 4 |
| Mcfarland Robert N | Sep 30 | Oct 2 | A | 1,331 | $0.00 | $0 | 22,292 | No | Form 4 |
| Wilkinson Tom | Sep 30 | Oct 2 | A | 1,331 | $0.00 | $0 | 32,254 | No | Form 4 |
| Kreps Matthew | Sep 30 | Oct 2 | A | 1,114 | $0.00 | $0 | 3,264 | No | Form 4 |
| Winn Charles Arch | Sep 30 | Oct 2 | A | 1,331 | $0.00 | $0 | 14,431 | No | Form 4 |
| Halinski John William | Sep 30 | Oct 2 | A | 1,331 | $0.00 | $0 | 13,542 | No | Form 4 |
| Winn Charles Arch | Sep 1 | Sep 84/A | A | 2,150 | $0.00 | $0 | 13,100 | No | Form 4/A |
| Badugu NihanthChief Operating Officer | Jul 22 | Sep 84/A | A | 5,000 | $0.00 | $0 | 5,000 | No | Form 4/A |
| Halinski John William | Jul 16 | Sep 84/A | A | 2,150 | $0.00 | $0 | 12,211 | No | Form 4/A |
| Stober Eric | Jul 16 | Sep 84/A | A | 2,150 | $0.00 | $0 | 19,654 | No | Form 4/A |
| Mcfarland Robert N | Jul 9 | Sep 84/A | A | 1,055 | $0.00 | $0 | 20,961 | No | Form 4/A |
| Halinski John William | Apr 14 | Sep 84/A | A | 6,006 | $0.00 | $0 | 9,006 | No | Form 4/A |
| Mcfarland Robert N | Mar 15, 2024 | Sep 84/A | P | 1,185 | $8.50 | Purchase +$10,073 | 10,900 | No | Form 4/A |
| Winn Charles Arch | Sep 1 | Sep 1 | A | 2,150 | $0.00 | $0 | 13,100 | No | Form 4 |
| Wilkinson Tom | Jul 9 | Jul 21 | A | 1,055 | $0.00 | $0 | 30,923 | No | Form 4 |
| Stober Eric | Jul 9 | Jul 21 | A | 1,167 | $0.00 | $0 | 19,654 | No | Form 4 |
| Winn Charles Arch | Jul 9 | Jul 21 | A | 1,055 | $0.00 | $0 | 10,950 | No | Form 4 |
| Halinski John William | Jul 9 | Jul 21 | A | 1,055 | $0.00 | $0 | 12,211 | No | Form 4 |
| Kreps Matthew | Jul 16 | Jul 20 | A | 2,150 | $0.00 | $0 | 2,150 | No | Form 4 |
| Wilkinson Tom | Apr 14 | May 21 | A | 6,006 | $0.00 | $0 | 29,868 | No | Form 4 |
| Mcfarland Robert N | Apr 14 | May 18 | A | 6,006 | $0.00 | $0 | 19,906 | No | Form 4 |
| Stober Eric | Apr 14 | May 18 | A | 6,006 | $0.00 | $0 | 16,337 | No | Form 4 |
| Winn Charles Arch | Apr 14 | May 18 | A | 6,006 | $0.00 | $0 | 9,895 | No | Form 4 |
| Leonard Braden Michael | Oct 3, 2025 | Oct 7, 2025 | S | 220,410 | $7.13 | Sale −$1,571,523 | not reported | No | Form 4 |
| Leonard Braden Michael | Oct 3, 2025 | Oct 7, 2025 | S | 9,166 | $5.83 | Sale −$53,438 | not reported | No | Form 4 |
| Canas JenniferChief Financial Officer | May 22, 2025 | Jun 5, 20254/A | A · derivative | 5,250 | $5.95 | $31,238 | 5,250 | No | Form 4/A |
| Wilkinson Thomas Wiley | May 14, 2025 | May 16, 2025 | A | 3,000 | $0.00 | $0 | 23,862 | No | Form 4 |
| Winn Charles Arch | May 14, 2025 | May 16, 2025 | A | 3,000 | $0.00 | $0 | 3,889 | No | Form 4 |
| Halinski John William | May 14, 2025 | May 16, 2025 | A | 3,000 | $0.00 | $0 | 3,000 | No | Form 4 |
| Pickens Thomas Boone IIICEO | May 14, 2025 | May 16, 2025 | A | 50,000 | $0.00 | $0 | 181,385 | No | Form 4 |
| Stober Eric | May 14, 2025 | May 16, 2025 | A | 3,000 | $0.00 | $0 | 10,331 | No | Form 4 |
| Mcfarland Robert N | May 14, 2025 | May 16, 2025 | A | 3,000 | $0.00 | $0 | 13,900 | No | Form 4 |
| Hinojosa JaimeCFO | Aug 28, 2024 | Oct 15, 2024 | A · derivative | 8,860 | $11.51 | $101,979 | 30,062 | No | Form 4 |
| Pickens Thomas Boone IIICEO | Aug 28, 2024 | Oct 15, 2024 | A · derivative | 25,310 | $11.51 | $291,318 | 102,269 | No | Form 4 |
| Becker James Frank | May 29, 2024 | May 30, 2024 | P | 1,100 | $9.82 | Purchase +$10,802 | 16,121 | No | Form 4 |
| Becker James Frank | May 28, 2024 | May 30, 2024 | P | 934 | $9.50 | Purchase +$8,873 | 15,021 | No | Form 4 |
| Hinojosa JaimeCFO | May 23, 2023 | May 28, 2024 | P | 900 | $9.49 | Purchase +$8,541 | 7,881 | No | Form 4 |
| Wilkinson Thomas Wiley | May 21, 2024 | May 21, 2024 | P | 1,109 | $9.50 | Purchase +$10,536 | 20,862 | No | Form 4 |
| Russler Daniel T Jr | Mar 15, 2024 | Mar 19, 2024 | P | 387 | $8.42 | Purchase +$3,259 | 14,904 | No | Form 4 |
| Becker James Frank | Mar 15, 2024 | Mar 18, 2024 | P | 649 | $8.25 | Purchase +$5,354 | 14,087 | No | Form 4 |
| Becker James Frank | Mar 13, 2024 | Mar 18, 2024 | P | 839 | $8.16 | Purchase +$6,846 | 13,438 | No | Form 4 |
| Wilkinson Thomas Wiley | Mar 13, 2024 | Mar 14, 2024 | P | 1,300 | $8.28 | Purchase +$10,764 | 19,753 | No | Form 4 |
| Russler Daniel T Jr | Mar 12, 2024 | Mar 14, 2024 | P | 500 | $8.29 | Purchase +$4,145 | 14,517 | No | Form 4 |
| Becker James Frank | Mar 12, 2024 | Mar 13, 2024 | P | 958 | $8.14 | Purchase +$7,798 | 12,599 | No | Form 4 |
| Mcfarland Robert N | Dec 29, 2023 | Jan 2, 2024 | P | 21 | $8.34 | Purchase +$175 | 9,715 | No | Form 4 |
| Mcfarland Robert N | Dec 27, 2023 | Jan 2, 2024 | P | 1,200 | $8.19 | Purchase +$9,828 | 9,694 | No | Form 4 |
| Russler Daniel T Jr | Dec 11, 2023 | Dec 13, 2023 | P | 650 | $7.65 | Purchase +$4,973 | 14,017 | No | Form 4 |
| Becker James Frank | Nov 28, 2023 | Nov 29, 2023 | P | 490 | $8.13 | Purchase +$3,984 | 11,641 | No | Form 4 |
| Hinojosa JaimeCFO | Nov 28, 2023 | Nov 29, 2023 | P | 1,000 | $8.19 | Purchase +$8,190 | 6,981 | No | Form 4 |
| Becker James Frank | Nov 22, 2023 | Nov 27, 2023 | P | 1,100 | $7.47 | Purchase +$8,217 | 11,151 | No | Form 4 |
| Mcfarland Robert N | Nov 20, 2023 | Nov 21, 2023 | P | 1,290 | $7.80 | Purchase +$10,062 | 8,494 | No | Form 4 |
| Becker James Frank | Nov 17, 2023 | Nov 21, 2023 | P | 1,361 | $7.66 | Purchase +$10,425 | 10,051 | No | Form 4 |
| Mcfarland Robert N | Nov 17, 2023 | Nov 21, 2023 | P | 54 | $7.50 | Purchase +$405 | 7,204 | No | Form 4 |
| Wilkinson Thomas Wiley | Nov 16, 2023 | Nov 17, 2023 | P | 1,500 | $7.47 | Purchase +$11,205 | 18,453 | No | Form 4 |
| Wilkinson Thomas Wiley | Sep 29, 2023 | Oct 2, 2023 | A | 5,000 | $10.10 | $50,500 | 16,953 | No | Form 4 |
| Mcfarland Robert N | Sep 29, 2023 | Oct 2, 2023 | A | 5,000 | $10.10 | $50,500 | 7,150 | No | Form 4 |
| Russler Daniel T Jr | Sep 29, 2023 | Oct 2, 2023 | A | 5,000 | $10.10 | $50,500 | 13,367 | No | Form 4 |
| Becker James Frank | Sep 29, 2023 | Oct 2, 2023 | A | 5,000 | $10.10 | $50,500 | 8,690 | No | Form 4 |
| Pickens Thomas Boone IIICEO | Sep 29, 2023 | Oct 2, 2023 | A · derivative | 49,760 | $10.10 | $502,576 | 76,959 | No | Form 4 |
| Hinojosa JaimeCFO | Sep 29, 2023 | Oct 2, 2023 | A · derivative | 17,410 | $10.10 | $175,841 | 21,202 | No | Form 4 |