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ASTROTECH CORP (ASTC) Stock Ownership and Short Interest

USA - NASDAQ:ASTC - US0464843095 - Common Stock

3.34 USD
+0.06 (+1.83%)
Last: 11/17/2025, 2:18:59 PM
ASTC Ownership Chart.ASTC Ownership Chart: showing Insider, Institutional ownership and shares available to the public.ASTC Ownership.InsiderInstitutionalPublic



Shares Outstanding1.76M
Float1.48M
Float Short Interest Percentage3.83%
Owners (insider)16.38%
Owners (institutional)21.17%
Owners (insider) change-1.98%
Owners (institutional) change-8.07%
ASTC Institutional Ownership HistoryASTC Institutional Ownership HistoryASTC Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 1M 2M 3M
ASTC Historical Insider Transactions ChartASTC Historical Insider Buy and Sell Transactions ChartASTC Historical Insider Transactions Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 0 50K -50K -100K -150K -200K
Date Name Type Shares Price Amount
Oct 3, 2025 Leonard Braden Michael Open Market Sale 229576 7.08 $ 1,625,071.29
May 14, 2025 Halinski John William Grant 3000 0.00 $ 0.00
May 14, 2025 Winn Charles Arch Grant 3000 0.00 $ 0.00
May 14, 2025 MCFARLAND ROBERT N Grant 3000 0.00 $ 0.00
May 14, 2025 Wilkinson Thomas Wiley Grant 3000 0.00 $ 0.00
May 14, 2025 Stober Eric Grant 3000 0.00 $ 0.00
May 14, 2025 Pickens Thomas Boone III Grant 50000 0.00 $ 0.00