York Space Systems Inc.

For the period ended Jun 30, 2026. Filed Aug 14, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Jun 30, 2026 · Filed Aug 14, 2026

YSS$7.11+13.6%Stored close · as of Nov 9, 2026

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Contents

Item 6. Exhibits

The documents listed below are incorporated by reference or are filed with this Quarterly Report on Form 10-Q, in each case as indicated therein (numbered in accordance with Item 601 of Regulation S-K).

ExhibitNumber	Description of Document
2.1+	Agreement and Plan of Merger, dated as of April 29, 2026, by and among York Space Systems Inc., Project Morpheus Merger Sub I, Inc., Project Morpheus Merger Sub II, LLC, All.Space Holdings, Inc. and Shareholder Representative Services LLC, as representative of the Securityholders (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K filed with the SEC on April 29, 2026)
3.1	Certificate of Incorporation of York Space Systems inc. (incorporated by reference to Exhibit 3.1 to the Company's Current Report on Form 8-K filed with the SEC on January 30, 2026)
3.2	Bylaws of York Space Systems Inc. (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K filed with the SEC on January 30, 2026)
31.1*	Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1**	Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2**	Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS*	Inline XBRL Instance Document.
101.SCH*	Inline XBRL Taxonomy Extension Schema Document.
101.CAL*	Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF*	Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB*	Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE*	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104*	Inline XBRL Cover Page Interactive Data File (included in Exhibit 101).

Exhibits and schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K. The Company hereby undertakes to furnish supplementally copies of any of the omitted exhibits or schedules upon request by the SEC.

*Filed herewith

** Furnished herewith (such certification shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, except to the extent that the Company specifically incorporates it by reference).

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: August 13, 2026	York Space Systems Inc.
	By:	/s/ Dirk Wallinger
		Dirk Wallinger
		Chief Executive Officer

Date: August 13, 2026	York Space Systems Inc.
	By:	/s/ Kevin Messerle
		Kevin Messerle
		Chief Financial Officer

Date: August 13, 2026	York Space Systems Inc.
	By:	/s/ Brian Frantz
		Brian Frantz
		Chief Accounting Officer

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.