ASTROTECH Corp
ASTC- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001001907
In the last 90 days, ASTROTECH Corp insiders filed 1 open-market purchase and 0 sales; 18 institutions reported holding it in 13F filings for Q2 2026, worth $1.72M in total; no superinvestor holds it.
Holders of 5% or more of ASTC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of ASTROTECH Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Skylark Partners I, LP | 13G | 5.40%94.4K shares | New | Dec 23, 20251 filing | Dec 23, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
2 Schedule 13D and 13G filings on ASTROTECH Corp, newest first, including old-format filings without a stake.
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell ASTROTECH Corp shares.
No Form 144 notices for ASTROTECH Corp are on file.