John William Halinski

CIK: 0002049376

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)0 (0.0%)

Derivative conversions

Awards (A)6 (100.0%)

Compensation grants

Other (G, F, J, C, D, …)0 (0.0%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

ASTC

ASTROTECH Corp

Director

Discretionary Trading P&L

Holdings

Transaction History (6 total)

ASTC
ASTROTECH Corp
Sep 30, 2026
Award(A)
Direct
1.3K shares-
ASTC
ASTROTECH Corp
Jul 16, 2026
Award(A)
Direct
2.2K shares-
ASTC
ASTROTECH Corp
Jul 9, 2026
Award(A)
Direct
1.1K shares-
ASTC
ASTROTECH Corp
Apr 14, 2026
Award(A)
Direct
6K shares-
ASTC
ASTROTECH Corp
May 14, 2025
Award(A)
Direct
6K shares-
ASTC
ASTROTECH Corp
May 14, 2025
Award(A)
Direct
3K shares-

		Type	Shares	Price		Ownership
Sep 30, 2026	ASTC ASTROTECH Corp	Award(A)	1,331	-	$0	Direct
Jul 16, 2026	ASTC ASTROTECH Corp	Award(A)	2,150	-	$0	Direct
Jul 9, 2026	ASTC ASTROTECH Corp	Award(A)	1,055	-	$0	Direct
Apr 14, 2026	ASTC ASTROTECH Corp	Award(A)	6,006	-	$0	Direct
May 14, 2025	ASTC ASTROTECH Corp	Award(A)	6,006	-	$0	Direct
May 14, 2025	ASTC ASTROTECH Corp	Award(A)	3,000	-	-	Direct

1-6 of 6 transactions

About Halinski John William

Halinski John William (SEC CIK 0002049376) files insider reports with the SEC as Director of ASTROTECH Corp (ASTC).

Signal8 holds 8 ownership filings by Halinski John William (1 Form 3, 7 Form 4), filed between Dec 23, 2024 and Oct 2, 2026. Those filings report 6 transactions, from May 14, 2025 to Sep 30, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Halinski John William's filings is in AUSTIN, TX.

Recent filings by Halinski John William

Sep 30, 2026: Grant or award of ASTC shares (Form 4, code A).
Jul 16, 2026: Grant or award of ASTC shares (Form 4, code A).
Jul 9, 2026: Grant or award of ASTC shares (Form 4, code A).
Apr 14, 2026: Grant or award of ASTC shares (Form 4, code A).
May 14, 2025: Grants or awards of ASTC shares (2 lines, Form 4, code A).

Other insiders filing for ASTROTECH Corp (ASTC)

Kreps Matthew, Director
Winn Charles Arch, Director
Stober Eric, Director
MCFARLAND ROBERT N, Director
Wilkinson Tom, Director
Badugu Nihanth, Chief Operating Officer

How to read Form 4 transaction codes