SEC Form 4/A · accession 0001437749-26-029868
ASTROTECH Corp · ASTC
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
This is an amendment (Form 4/A). It replaces an earlier filing for the same period.
Reporting owner
John William Halinski
Director
Period of report
Apr 14, 2026
Accepted (ET)
Sep 8, 2026 · 9:06 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001001907
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common StockF1 | Apr 14, 2026 | A | 6,006 | $0.00 | A | 9,006 | D |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. 100% of the shares of restricted stock vested immediately on the grant date.
Remarks
The original Form 4, filed on May 18, 2026, is being amended to restate the Transaction Date in Table I as April 14, 2026. The original Form 4 erroneously indicated that the Transaction Date in Table I was May 14, 2025, when, as reported in this amendment, the Transaction Date under Table I was April 14, 2026.