Skylark Partners I reports 0 shares of ASTROTECH

ASTROTECH Corp ownership update: Skylark Partners I filed an amended Schedule 13G/A reporting 0 shares beneficially owned (0%) as of 06/30/2026.

Rhea-AI Filing Summary

ASTROTECH Corp ownership update: Skylark Partners I filed an amended Schedule 13G/A reporting 0 shares beneficially owned (0%) as of 06/30/2026. The filing also states the filer has sole power to vote 100 shares and sole power to dispose of 100 shares. The form is signed by John Porter as Manager of Skylark Partners Management, LLC.

Insights

Corporate Governance Analyst

Schedules with zero beneficial ownership but listed voting/dispositive powers suggest nominee or record-holder arrangements.

The filing reports 0 shares beneficially owned while listing sole voting and dispositive power over 100 shares. This pattern typically reflects control or agency rights without beneficial ownership, as disclosed in the listed fields.

Confirming the practical effect requires additional filings or footnotes; subsequent disclosures or issuer records would clarify whether those 100 shares are heldnominally by a custodian, trust, or another entity.

Securities Compliance Counsel

The amendment updates Schedule 13G/A ownership figures and signer attribution for compliance purposes.

The form identifies the filer, address, CUSIP 046484309, and a signature block dated 06/30/2026. It classifies the position as "Ownership of 5 Percent or Less of a Class."

From a compliance view, this is routine; the disclosure anchors who holds/reporting rights and preserves Section 13 reporting alignment.

Key Figures

Beneficially owned: 0 shares Percent of class: 0% Sole power to vote: 100 shares +3 more

6 metrics

Beneficially owned 0 shares Item 4, as of 06/30/2026

Percent of class 0% Item 4, as of 06/30/2026

Sole power to vote 100 shares Item 4(i)

Sole power to dispose 100 shares Item 4(iii)

CUSIP 046484309 Cover information

Filing date / signature date 06/30/2026 Signature block

Key Terms

Schedule 13G/A, Beneficially owned, Sole dispositive power

3 terms

Schedule 13G/A regulatory

"Amendment No. 1) ASTROTECH Corp Common Stock"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

Beneficially owned regulatory

"Item 4. | Ownership (a) | Amount beneficially owned: 0"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

Sole dispositive power regulatory

"Item 4. (iii) Sole power to dispose or to direct the disposition of: 100"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does Skylark Partners I report for ASTC ownership?

Skylark Partners I reports 0 shares beneficially owned (0%) as of 06/30/2026. The filing lists voting and dispositive powers separately, indicating reporting of control rights rather than beneficial ownership.

What voting and disposition powers does the Schedule 13G/A show?

The filing shows the filer has sole power to vote 100 shares and sole power to dispose of 100 shares. These numbers are reported under Item 4's power fields on the form.

Who signed the amendment and what is their role?

The amendment is signed by John Porter, dated 06/30/2026, who is identified as Manager of Skylark Partners Management, LLC, GP of Skylark Partners I.

What class of ASTROTECH stock is disclosed in the filing?

The filing discloses Common Stock, $0.001 par value for ASTROTECH Corp, with CUSIP 046484309 listed on the cover information.

Does the filing indicate majority ownership or a 5% holder?

No; the form is titled for holders of 5 percent or less and states 0% beneficial ownership, confirming the filer is not a 5% beneficial owner as of the filing date.

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

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Accepted by SEC EDGAR 07/01/2026 - 12:13 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

ASTROTECH Corp

(Name of Issuer)

Common Stock, $0.001 par value

(Title of Class of Securities)

046484309

(CUSIP Number)

06/30/2026

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): 046484309

1

Names of Reporting Persons

Skylark Partners I, LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

TEXAS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 100.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 100.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

100.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.0 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

Item 1.
(a)	Name of issuer: ASTROTECH Corp
(b)	Address of issuer's principal executive offices: 2105 Donley Drive, Suite 100, Austin, TX 78758
Item 2.
(a)	Name of person filing: Skylark Partners I, LP
(b)	Address or principal business office or, if none, residence: 1704 Channel Road Austin, Texas 78746
(c)	Citizenship: Texas
(d)	Title of class of securities: Common Stock, $0.001 par value
(e)	CUSIP No.: 046484309
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 0
(b)	Percent of class: 0%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 100
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 100
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Skylark Partners I, LP

Signature:	John Porter
Name/Title:	Manager of Skylark Partners Management, LLC, GP of Skylar Partners I, LP
Date:	06/30/2026