ASTROTECH Corp (ASTC)

Data as of Oct 2, 2026, from SEC Form 4 filings.

Net insider buying (90d)Watch ASTC

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Latest ASTC insider trades

Robert N. McFarland - Director
Open-market purchase$10K
Mar 15, 2024
Braden Michael Leonard
Open-market sale$1.57M
Oct 3, 2025
Braden Michael Leonard
Open-market sale

About ASTROTECH Corp (ASTC)

ASTROTECH Corp files with the SEC under CIK 0001001907 and is classified as laboratory analytical instruments. We track it alongside the rest of the Health Care sector.

Sector: Health Care

SEC filings for ASTC on EDGAR

ASTC Form 4 activity by transaction type, last 90 days

Form 4 transaction type	Transactions	Shares	Total value
Open-market purchase	1	1,185	$10K
Grant or award	20	38,348

Dollar totals cover purchases and sales only (codes P and S). Grants, option exercises, gifts and tax withholding are counted in shares, because none of them is a trade at a market price.

ASTC insider transactions (Form 4)

36 Form 4 filings on record, the earliest from Oct 15, 2024, newest first. Filing history page 1 of 2.

Date	Insider	Transaction	Security	Shares	Price	Value
Sep 30, 2026	Matthew Kreps - Director	Grant or award	Common Stock	1,114^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Sep 30, 2026	Charles Arch Winn - Director	Grant or award	Common Stock	1,331^{footnote F2}	$0.00	-
Footnote F2 (shares): Represents 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.
Sep 30, 2026	John William Halinski - Director	Grant or award	Common Stock	1,331^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Sep 30, 2026	Eric Stober - Director	Grant or award	Common Stock	1,473^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Sep 30, 2026	Robert N. McFarland - Director	Grant or award	Common Stock	1,331^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Sep 30, 2026	Tom Wilkinson - Director	Grant or award	Common Stock	1,331^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Jul 16, 2026	Eric Stober - Director	Grant or award	Common Stock	2,150^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of December 13, 2024, such that 100% of the shares of… Full note on SEC EDGAR
Mar 15, 2024	Robert N. McFarland - Director	Open-market purchase	Common Stock	1,185	$8.50	$10K
Jul 22, 2026	Nihanth Badugu - Officer	Grant or award	Common Stock	5,000^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of August 13, 2025, such that 100% of the shares of… Full note on SEC EDGAR
Jul 16, 2026	John William Halinski - Director	Grant or award	Common Stock	2,150^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of December 13, 2024, such that 100% of the shares of… Full note on SEC EDGAR
Sep 1, 2026	Charles Arch Winn - Director	Grant or award	Common Stock	2,150^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of December 13, 2024, such that 100% of the shares of… Full note on SEC EDGAR
Sep 1, 2026	Charles Arch Winn - Director	Grant or award	Common Stock	2,150^{footnote F2}	$0.00	-
Footnote F2 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. Grant vesting in equal installments as follows: 1/3rd on December 13, 2025, 1/3rd on December 13, 2026, and 1/3rd on December 13, 2027.
Jul 22, 2026	Nihanth Badugu - Officer	Grant or award	Common Stock	5,000^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of August 13, 2026, such that 100% of the shares of… Full note on SEC EDGAR
Jul 9, 2026	John William Halinski - Director	Grant or award	Common Stock	1,055^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Jul 9, 2026	Charles Arch Winn - Director	Grant or award	Common Stock	1,055^{footnote F2}	$0.00	-
Footnote F2 (shares): Represents 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 immediatelyon the grant date.
Jul 9, 2026	Robert N. McFarland - Director	Grant or award	Common Stock	1,055^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Jul 9, 2026	Eric Stober - Director	Grant or award	Common Stock	1,167^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Jul 9, 2026	Tom Wilkinson - Director	Grant or award	Common Stock	1,055^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Jul 16, 2026	Matthew Kreps - Director	Grant or award	Common Stock	2,150^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of July 16, 2026, such that 100% of the shares of… Full note on SEC EDGAR
Jul 16, 2026	John William Halinski - Director	Grant or award	Common Stock	2,150^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of July 16, 2026, such that 100% of the shares of… Full note on SEC EDGAR
Jul 16, 2026	Eric Stober - Director	Grant or award	Common Stock	2,150^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of July 16, 2026, such that 100% of the shares of… Full note on SEC EDGAR
Apr 14, 2026	Tom Wilkinson - Director	Grant or award	Common Stock	6,006^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Apr 14, 2026	Charles Arch Winn - Director	Grant or award	Common Stock	6,006^{footnote F2}	$0.00	-
Footnote F2 (shares): Represents 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 immediatelyon the grant date.
May 14, 2025	John William Halinski - Director	Grant or award	Common Stock	6,006^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Apr 14, 2026	Eric Stober - Director	Grant or award	Common Stock	6,006^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Apr 14, 2026	Robert N. McFarland - Director	Grant or award	Common Stock	6,006^{footnote F1}	$0.00	-
Footnote F1 (shares): Represents 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.
Oct 3, 2025	Braden Michael Leonard	Open-market sale	Common Stock	220,410	$7.13^{footnote F2}	$1.57M
Oct 3, 2025	Braden Michael Leonard	Open-market sale	Common Stock	9,166	$5.83	$53K
Footnote F2 (price): The shares were sold in multiple transactions at an average price of $7.1305.
May 22, 2025	Jennifer Canas - Officer	Grant or award	Employee Stock Options (right to buy)	5,250	$0.00	-
May 14, 2025	Robert N. McFarland - Director	Grant or award	Common Stock	3,000	$0.00	-
May 14, 2025	Eric Stober - Director	Grant or award	Common Stock	3,000	$0.00	-

Recent ASTC Form 8-K filings

Read ASTC company news

Sep 25, 2026Item 2.02, 9.01

Read the filing on SEC EDGAR

Aug 19, 2026Item 8.01, 9.01

Read the filing on SEC EDGAR

Jul 22, 2026Item 5.02, 7.01, 9.01

Read the filing on SEC EDGAR

Jun 16, 2026Item 8.01, 9.01

ASTC insider trading FAQ

What is the latest insider trade for ASTC?

ASTROTECH Corp (ASTC) had 21 insider filings in the last 90 days, with the most recent on 2026-10-02. The full record for ASTC runs to 36 Form 4 filings, the earliest from 2024-10-15. InsiderAlpha adds new Form 4, Form 144 and 8-K filings as they arrive from SEC EDGAR.

How many insiders are buying ASTC stock?

1 insider purchase of ASTC was filed in the last 90 days, totaling $10K.

How many insiders are selling ASTC stock?

No insider sales of ASTC were filed in the last 90 days. 2 sales are on record for this company.

Where can I see ASTC SEC filings (Form 4, 10-K, 10-Q, 8-K)?

This page collects ASTC Form 4 insider transactions, Form 144 sale notices and 8-K filings in one place. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.

More Health Care companies with insider activity

Recent insider filings

The EDGAR links open each original Form 4, so you can check any number on this page against the filing it came from.

Oct 2, 2026 - Matthew Kreps view on EDGAR
Oct 2, 2026 - Charles Arch Winn view on EDGAR
Oct 2, 2026 - John William Halinski view on EDGAR
Oct 2, 2026 - Eric Stober view on EDGAR
Oct 2, 2026 - Robert N. McFarland view on EDGAR
Oct 2, 2026 - Tom Wilkinson view on EDGAR
Sep 9, 2026 - Eric Stober view on EDGAR
Sep 9, 2026 - Robert N. McFarland view on EDGAR
Sep 9, 2026 - Nihanth Badugu view on EDGAR

Related companies with recent insider activity

Learn more

How to read insider buying signals: What an open-market purchase by an insider can and cannot tell you.
Insider activity in Health Care: Where ASTC's peers are being bought and sold.
Every recent Form 4: The market-wide feed, updated as filings arrive from SEC EDGAR.

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Form 4 transaction type

Transactions

Total value

Open-market purchase

1,185

$10K

Grant or award

38,348

Date

Insider

Transaction

Security

Price

Value

Sep 30, 2026

Matthew Kreps - Director

Grant or award

Common Stock

1,114^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Sep 30, 2026

Charles Arch Winn - Director

Grant or award

Common Stock

1,331^{footnote F2}

$0.00

Footnote F2 (shares): Represents 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.

Sep 30, 2026

John William Halinski - Director

Grant or award

Common Stock

1,331^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Sep 30, 2026

Eric Stober - Director

Grant or award

Common Stock

1,473^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Sep 30, 2026

Robert N. McFarland - Director

Grant or award

Common Stock

1,331^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Sep 30, 2026

Tom Wilkinson - Director

Grant or award

Common Stock

1,331^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Jul 16, 2026

Eric Stober - Director

Grant or award

Common Stock

2,150^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of December 13, 2024, such that 100% of the shares of… Full note on SEC EDGAR

Mar 15, 2024

Robert N. McFarland - Director

Open-market purchase

Common Stock

1,185

$8.50

$10K

Jul 22, 2026

Nihanth Badugu - Officer

Grant or award

Common Stock

5,000^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of August 13, 2025, such that 100% of the shares of… Full note on SEC EDGAR

Jul 16, 2026

John William Halinski - Director

Grant or award

Common Stock

2,150^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of December 13, 2024, such that 100% of the shares of… Full note on SEC EDGAR

Sep 1, 2026

Charles Arch Winn - Director

Grant or award

Common Stock

2,150^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of December 13, 2024, such that 100% of the shares of… Full note on SEC EDGAR

Sep 1, 2026

Charles Arch Winn - Director

Grant or award

Common Stock

2,150^{footnote F2}

$0.00

Footnote F2 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. Grant vesting in equal installments as follows: 1/3rd on December 13, 2025, 1/3rd on December 13, 2026, and 1/3rd on December 13, 2027.

Jul 22, 2026

Nihanth Badugu - Officer

Grant or award

Common Stock

5,000^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of August 13, 2026, such that 100% of the shares of… Full note on SEC EDGAR

Jul 9, 2026

John William Halinski - Director

Grant or award

Common Stock

1,055^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Jul 9, 2026

Charles Arch Winn - Director

Grant or award

Common Stock

1,055^{footnote F2}

$0.00

Footnote F2 (shares): Represents 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 immediatelyon the grant date.

Jul 9, 2026

Robert N. McFarland - Director

Grant or award

Common Stock

1,055^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Jul 9, 2026

Eric Stober - Director

Grant or award

Common Stock

1,167^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Jul 9, 2026

Tom Wilkinson - Director

Grant or award

Common Stock

1,055^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Jul 16, 2026

Matthew Kreps - Director

Grant or award

Common Stock

2,150^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of July 16, 2026, such that 100% of the shares of… Full note on SEC EDGAR

Jul 16, 2026

John William Halinski - Director

Grant or award

Common Stock

2,150^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of July 16, 2026, such that 100% of the shares of… Full note on SEC EDGAR

Jul 16, 2026

Eric Stober - Director

Grant or award

Common Stock

2,150^{footnote F1}

$0.00

Footnote F1 (shares): Represents shares of restricted stock granted to the Reporting Person pursuant to the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. The shares of restricted stock vest on each of the first three anniversaries of July 16, 2026, such that 100% of the shares of… Full note on SEC EDGAR

Apr 14, 2026

Tom Wilkinson - Director

Grant or award

Common Stock

6,006^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Apr 14, 2026

Charles Arch Winn - Director

Grant or award

Common Stock

6,006^{footnote F2}

$0.00

Footnote F2 (shares): Represents 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 immediatelyon the grant date.

May 14, 2025

John William Halinski - Director

Grant or award

Common Stock

6,006^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Apr 14, 2026

Eric Stober - Director

Grant or award

Common Stock

6,006^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Apr 14, 2026

Robert N. McFarland - Director

Grant or award

Common Stock

6,006^{footnote F1}

$0.00

Footnote F1 (shares): Represents 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.

Oct 3, 2025

Braden Michael Leonard

Open-market sale

Common Stock

220,410

$7.13^{footnote F2}

$1.57M

Oct 3, 2025

Braden Michael Leonard

Open-market sale

Common Stock

9,166

$5.83

$53K

Footnote F2 (price): The shares were sold in multiple transactions at an average price of $7.1305.

May 22, 2025

Jennifer Canas - Officer

Grant or award

Employee Stock Options (right to buy)

5,250

$0.00

May 14, 2025

Robert N. McFarland - Director

Grant or award

Common Stock

3,000

$0.00

May 14, 2025

Eric Stober - Director

Grant or award

Common Stock

3,000

$0.00