Astrotech grants director McFarland 1,331 shares

Robert N. McFarland, a director of Astrotech Corp (ASTC), received a grant of 1,331 shares of restricted stock on September 30, 2026, under the Astrotech Corporation 2021 Omnibus Equity Incentive Plan.

Rhea-AI Filing Summary

Robert N. McFarland, a director of Astrotech Corp (ASTC), received a grant of 1,331 shares of restricted stock on September 30, 2026, under the Astrotech Corporation 2021 Omnibus Equity Incentive Plan. After the grant, he directly held 22,292 shares of common stock.

Insider Trade Summary

Grant/Award: 1,331 shares

Grant/Award 1 txn

Insider MCFARLAND ROBERT N

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock F1	1,331	$0.00	$0.00

Holdings After Transaction: Common Stock — 22,292 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Restricted stock granted: 1,331 shares Shares vested: 100% Direct common stock holdings after grant: 22,292 shares

3 metrics

Restricted stock granted 1,331 shares Awarded September 30, 2026

Shares vested 100% Restricted shares vested immediately on the grant date

Direct common stock holdings after grant 22,292 shares Position following the transaction

Key Terms

restricted stock, vested immediately, 2021 Omnibus Equity Incentive Plan

3 terms

restricted stock technical

"shares of restricted stock granted to the Reporting Person"

Shares granted to an individual that carry limits on transfer or sale until certain conditions are met, such as staying with the company for a set time or hitting performance targets. Think of them as a locked gift that gradually opens; for investors they matter because they affect how many shares may enter the market later, signal management incentives and potential dilution, and reveal confidence in future company performance.

vested immediately technical

"100% of the shares of restricted stock vested immediately"

2021 Omnibus Equity Incentive Plan technical

"Astrotech Corporation 2021 Omnibus Equity Incentive Plan"

FAQ

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How many shares did ASTC director Robert N. McFarland receive?

Robert N. McFarland, a director of Astrotech Corp, received 1,331 shares of restricted stock on September 30, 2026. The grant was made under the Astrotech Corporation 2021 Omnibus Equity Incentive Plan, and his directly held common stock position after the grant was 22,292 shares.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/02/2026 - 03:29 PM Accepted by SEC EDGAR 10/02/2026 - 03:28 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

MCFARLAND ROBERT N

(Last) (First) (Middle)

1817 W. BRAKER LN, STE 400

(Street)

AUSTIN TEXAS 78758

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ASTROTECH Corp [ ASTC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/30/2026		A		1,331(1)	A	$0	22,292	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

	/s/ Robert N. McFarland	10/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)