🕵️ Astrotech Corp ($ASTC)
SEC insider & ownership activity, last 12 months · CIK 1001907 · every row links its SEC filing
Over the last 12 months insiders sold $1.6M with no open-market buying against it. Leonard Braden Michael sold $1.6M in discretionary trades (Oct). No red-flag 8-Ks in the window.
Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 1 seller, $1.6M (2 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Leonard Braden Michael | 0 | – | 2 | $1.6M | Oct 3, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Skylark Partners I, LP | exited | 13G | Jul 1, 2026 | filing ↗ |
Planned insider sales (Form 144)
No sale notices filed in the last 12 months.
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Officer/director changes (5.02) | Jul 16, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jul 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jul 16, 2026 | filing ↗ |
| Other events (8.01) | Jun 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 16, 2026 | filing ↗ |
| Material agreement (1.01) | Jun 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 2, 2026 | filing ↗ |
| Earnings (2.02) | May 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 13, 2026 | filing ↗ |
| Earnings (2.02) | Feb 13, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 13, 2026 | filing ↗ |
| Material agreement (1.01) | Dec 12, 2025 | filing ↗ |
| Material Modifications to Rights of Security Holders (3.03) | Dec 12, 2025 | filing ↗ |
| Shareholder vote (5.07) | Dec 12, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Dec 12, 2025 | filing ↗ |
| Earnings (2.02) | Nov 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 13, 2025 | filing ↗ |
| Officer/director changes (5.02) | Nov 5, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Nov 5, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 27, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Oct 27, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 27, 2025 | filing ↗ |
| Officer/director changes (5.02) | Oct 17, 2025 | filing ↗ |
| Earnings (2.02) | Sep 25, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Sep 25, 2025 | filing ↗ |
| Officer/director changes (5.02) | Aug 13, 2025 | filing ↗ |
| Reg FD disclosure (7.01) | Aug 13, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 13, 2025 | filing ↗ |