York Space Systems (NASDAQ: YSS) reports 11.17M shares, 8.6% ownership

Rhea-AI Filing Summary

York Space Systems Inc. files a Schedule 13G reporting beneficial ownership of 11,168,593 shares of common stock, representing 8.6% of the class. The percentage is calculated based on 129,694,458 shares outstanding as of 03/31/2026, per the issuer's Form 10-Q.

The filing names Dirk Wallinger as the reporting person and shows shared voting power and sole dispositive power tied to the 11,168,593 shares. The statement notes a Director Nomination Agreement dated 01/28/2026 and disclaims that the reporting person’s cover-page responses do not reflect AE Industrial Partners affiliates' holdings.

Insights

Corporate Governance Analyst

Schedule 13G reports a notable passive stake with group-disclosure language.

The filing documents 11,168,593 shares and a 8.6% stake as of 03/31/2026. It attributes shared voting power and sole dispositive power in the cover‑page fields, and references a Director Nomination Agreement dated 01/28/2026.

Significant dependencies include the holdings of affiliates of AE Industrial Partners (not reflected in the reported cover‑page amounts). Subsequent filings may clarify group membership or aggregate beneficial ownership.

Key Figures

Beneficially owned shares: 11,168,593 shares Percent of class: 8.6% Shares outstanding reference: 129,694,458 shares

3 metrics

Beneficially owned shares 11,168,593 shares Schedule 13G cover-page reported amount

Percent of class 8.6% Calculated based on 129,694,458 shares outstanding as of <date>03/31/2026</date>

Shares outstanding reference 129,694,458 shares Issuer's Form 10-Q referenced in Schedule 13G

Key Terms

Schedule 13G, beneficially owned, Director Nomination Agreement

3 terms

Schedule 13G regulatory

"files a Schedule 13G reporting beneficial ownership of 11,168,593 shares"

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

beneficially owned regulatory

"Amount beneficially owned: See response to Item 9 on the cover page"

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.

Director Nomination Agreement corporate

"Pursuant to the Director Nomination Agreement, dated as of 01/28/2026"

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

York Space Systems Inc.

(Name of Issuer)

Common Stock, par value $0.0001 per share

(Title of Class of Securities)

987084100

(CUSIP Number)

03/31/2026

(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): 987084100

1

Names of Reporting Persons

Dirk Wallinger

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

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 11,168,593.00
7	Sole Dispositive Power 11,168,593.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

11,168,593.00

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)

8.6 %

12

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person: *Calculated based on 129,694,458 shares of common stock, par value $0.0001 per share (the "Common Stock"), of York Space Systems Inc. (the "issuer") outstanding as reported on the issuer's Quarterly Report on Form 10-Q, filed on May 15, 2026.

SCHEDULE 13G

Item 1.
(a)	Name of issuer: York Space Systems Inc.
(b)	Address of issuer's principal executive offices: 6060 S Willow Drive, Greenwood Village, CO 80111
Item 2.
(a)	Name of person filing: Dirk Wallinger
(b)	Address or principal business office or, if none, residence: 6060 S Willow Drive, Greenwood Village, CO 80111
(c)	Citizenship: United States
(d)	Title of class of securities: Common Stock, par value $0.0001 per share
(e)	CUSIP Number(s): 987084100
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: See response to Item 9 on the cover page.
(b)	Percent of class: See response to Item 11 on the cover page.
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: See response to Item 5 on the cover page.
	(ii) Shared power to vote or to direct the vote: See response to Item 6 on the cover page.
	(iii) Sole power to dispose or to direct the disposition of: See response to Item 7 on the cover page.
	(iv) Shared power to dispose or to direct the disposition of: See response to Item 8 on the cover page. The reported amounts do not include shares of Common Stock beneficially owned by affiliates of AE Industrial Partners, LP ("AE Industrial Partners"). Pursuant to the Director Nomination Agreement, dated as of January 28, 2026, by and among the issuer and the stockholders party thereto, the reporting person may be deemed to be a member of a "group" within the meaning of Rule 13d-5(b) and beneficially own securities beneficially owned by the affiliates of AE Industrial Partners. The filing of this Statement shall not be deemed an admission of membership in any such "group" or of beneficial ownership of the securities beneficially owned by the affiliates of AE Industrial Partners, for purposes of Section 13(d) or 13(g) or for any other purpose. The responses to Items 5 through 9 of the cover page to this Statement do not reflect any securities beneficially owned by affiliates of AE Industrial Partners.
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
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:
	Not Applicable

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.

Dirk Wallinger

Signature:	/s/ Dirk Wallinger
Name/Title:	Dirk Wallinger
Date:	05/15/2026

FAQ

What stake does York Space Systems (YSS) report for Dirk Wallinger?

Dirk Wallinger is reported as beneficial owner of 11,168,593 shares, equal to 8.6% of common stock. The percentage is calculated using 129,694,458 shares outstanding as of 03/31/2026 per the issuer's Form 10-Q.

Does the Schedule 13G show who controls voting for those shares?

Yes. The cover page lists shared voting power of 11,168,593 and sole dispositive power of 11,168,593 for the reported shares, as stated on the filing's cover‑page fields.

Are AE Industrial Partners' holdings included in the reported percentage?

No. The filing expressly states the cover‑page responses do not reflect shares beneficially owned by affiliates of AE Industrial Partners and disclaims any admission of group membership.

What agreement is referenced in the filing and why does it matter?

The filing references a Director Nomination Agreement dated 01/28/2026, which the statement says could cause deemed group affiliation under Rule 13d‑5, but the reporting person disclaims such membership in this filing.