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York Space Systems (YSS) issues 2.29M shares to AE Industrial funds under merger deal

Filing Impact
(Very High)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

AEROEQUITY GP, LLC reported acquisition or exercise transactions in this Form 4 filing.

York Space Systems Inc. reported that investment entities affiliated with AE Industrial Partners received an indirect grant of 2,289,366 shares of common stock at $34.00 per share on July 8, 2026. The shares were issued to several AE Industrial funds as consideration under an Agreement and Plan of Merger dated April 29, 2026 among York Space Systems Inc., All.Space Holdings, Inc. and other parties. After this award, the AE Industrial complex is reported as indirectly holding 32,915,588 shares of York common stock. AeroEquity GP, LLC, ultimately controlled by Michael Greene and David Rowe, oversees voting and investment decisions for these funds, and all parties disclaim beneficial ownership beyond their pecuniary interest.

Positive

  • None.

Negative

  • None.
Insider AEROEQUITY GP, LLC, GREENE MICHAEL ROBERT, ROWE DAVID H.
Role null | null | null
Type Security Shares Price Value
Grant/Award Common Stock, par value $0.0001 per share 2,289,366 $34.00 $77.84M
Holdings After Transaction: Common Stock, par value $0.0001 per share — 32,915,588 shares (Indirect, See Footnotes)
Footnotes (1)
  1. Consists of 605,899, 945,442, 559,633 and 178,392 shares of common stock issued to AE Industrial HorizonX Venture Fund I, LP ("HorizonX Venture Fund I"), AE Ventures Fund III, LP ("Ventures Fund III"), AE Industrial Partners Structured Solutions I, LP ("Structured Solutions I") and AE Industrial HorizonX Venture Co-Investment Fund I, LP ("HorizonX Venture Co-Investment Fund"), respectively, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2026, by and among York Space Systems Inc. (the "Company"), All.Space Holdings, Inc. and the other parties thereto. Consists of 2,832,488 shares held by AE Industrial Partners Fund II, LP, 1,813,066 shares held by AE Industrial Partners Fund II-A, LP, 6,842 shares held by AE Industrial Partners Fund II-B, LP, 10,908,489 shares held by AE Industrial Partners Fund III, LP, 3,258,380 shares held by AE Industrial Partners Fund III-A, LP, 566,675 shares held by AE Aerospace Opportunities Fund, 8,757,636 shares held by AE Co-Investment Partners Fund III-Y, LP (CIV), 1,475,343 shares held by AE Co-Investment Partners Fund III Y-2, LP, 23,916 shares held by AE Industrial PSO Equity Partners, LP, 553,253 shares held by AE Industrial Partners PBCI Aggregator, LP, 430,134 shares held by AE Industrial HorizonX Venture Fund II, LP, 605,899 shares held by HorizonX Venture Fund I, 945,442 shares held by Ventures Fund III, 559,633 shares held by Structured Solutions I and 178,392 shares held by HorizonX Venture Co-Investment Fund. Each entity described above is ultimately controlled by AeroEquity GP, LLC. AeroEquity GP, LLC is controlled by its managing members, Michael Greene and David Rowe. Messrs. Greene and Rowe make all voting and investment decisions with respect to the securities held by AE Industrial Partners. Each of the entities and individuals named above disclaims beneficial ownership of the securities held by AE Industrial Partners, except to the extent of its pecuniary interest therein.
Shares granted 2,289,366 shares Common stock indirectly awarded to AE Industrial-affiliated funds on July 8, 2026
Grant price $34.00 per share Valuation per share for the 2,289,366-share award of York common stock
Indirect holdings after transaction 32,915,588 shares Total York common shares indirectly held by AE Industrial-affiliated entities following the grant
HorizonX Venture Fund I shares in grant 605,899 shares Portion of the 2,289,366-share award issued to HorizonX Venture Fund I
Ventures Fund III shares in grant 945,442 shares Portion of the 2,289,366-share award issued to AE Ventures Fund III, LP
Agreement and Plan of Merger regulatory
"pursuant to that certain Agreement and Plan of Merger ("Merger Agreement"), dated as of April 29, 2026"
An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.
pecuniary interest financial
"disclaims beneficial ownership of the securities... except to the extent of its pecuniary interest therein"
indirect ownership financial
"total_shares_following_transaction ... ownership_type "indirect" with nature of ownership "See Footnotes""
ten percent owner regulatory
"reporting person is marked as a ten percent owner of York Space Systems Inc."
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Form 4 Insider Transactions: What Each Field Means →

FAQ

What did AE Industrial-affiliated entities report on this York Space Systems (YSS) Form 4?
Entities affiliated with AE Industrial Partners reported an indirect grant of 2,289,366 York Space Systems shares on July 8, 2026. The shares were issued as consideration under an Agreement and Plan of Merger involving York and All.Space Holdings.

At what price were the York Space Systems (YSS) shares awarded in this Form 4?
The reported grant was valued at $34.00 per share for 2,289,366 shares of York Space Systems common stock. This reflects the price used for the award issued pursuant to the merger agreement referenced in the filing.

How many York Space Systems (YSS) shares are indirectly held after the reported transaction?
Following the reported grant, AE Industrial-affiliated entities are shown as indirectly holding 32,915,588 shares of York Space Systems common stock. This total reflects combined positions across multiple AE Industrial funds listed in the Form 4 footnotes.

What is the merger agreement referenced in the York Space Systems (YSS) Form 4?
The grant relates to an Agreement and Plan of Merger dated April 29, 2026 among York Space Systems Inc., All.Space Holdings, Inc. and other parties. Shares were issued to AE Industrial funds as part of the consideration under this merger agreement.

Who controls the entities receiving York Space Systems (YSS) shares in this Form 4?
AeroEquity GP, LLC ultimately controls the AE Industrial entities receiving the shares, and it is managed by Michael Greene and David Rowe. They make voting and investment decisions, while all parties disclaim beneficial ownership beyond their pecuniary interest.
SEC Form 4
FORM 4UNITED 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*
AEROEQUITY GP, LLC
(Last)(First)(Middle)
C/O AE INDUSTRIAL PARTNERS, LP
6700 BROKEN SOUND PKWY NW
(Street)
BOCA RATON FLORIDA 33487
(City)(State)(Zip)
UNITED STATES
(Country)		2. Issuer Name and Ticker or Trading Symbol
York Space Systems Inc. [ YSS ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
DirectorX10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
07/08/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock, par value $0.0001 per share07/08/2026A(1)2,289,366A$3432,915,588(2)ISee Footnotes(2)(3)
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
1. Name and Address of Reporting Person*
AEROEQUITY GP, LLC
(Last)(First)(Middle)
C/O AE INDUSTRIAL PARTNERS, LP
6700 BROKEN SOUND PKWY NW
(Street)
BOCA RATON FLORIDA 33487
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
GREENE MICHAEL ROBERT
(Last)(First)(Middle)
C/O AE INDUSTRIAL PARTNERS, LP
6700 BROKEN SOUND PKWY NW
(Street)
BOCA RATON FLORIDA 33487
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
1. Name and Address of Reporting Person*
ROWE DAVID H.
(Last)(First)(Middle)
C/O AE INDUSTRIAL PARTNERS, LP
6700 BROKEN SOUND PKWY NW
(Street)
BOCA RATON FLORIDA 33487
(City)(State)(Zip)
UNITED STATES
(Country)
Relationship of Reporting Person(s) to Issuer
DirectorX10% Owner
Officer (give title below)Other (specify below)
Explanation of Responses:
1. Consists of 605,899, 945,442, 559,633 and 178,392 shares of common stock issued to AE Industrial HorizonX Venture Fund I, LP ("HorizonX Venture Fund I"), AE Ventures Fund III, LP ("Ventures Fund III"), AE Industrial Partners Structured Solutions I, LP ("Structured Solutions I") and AE Industrial HorizonX Venture Co-Investment Fund I, LP ("HorizonX Venture Co-Investment Fund"), respectively, pursuant to that certain Agreement and Plan of Merger (the "Merger Agreement"), dated as of April 29, 2026, by and among York Space Systems Inc. (the "Company"), All.Space Holdings, Inc. and the other parties thereto.
2. Consists of 2,832,488 shares held by AE Industrial Partners Fund II, LP, 1,813,066 shares held by AE Industrial Partners Fund II-A, LP, 6,842 shares held by AE Industrial Partners Fund II-B, LP, 10,908,489 shares held by AE Industrial Partners Fund III, LP, 3,258,380 shares held by AE Industrial Partners Fund III-A, LP, 566,675 shares held by AE Aerospace Opportunities Fund, 8,757,636 shares held by AE Co-Investment Partners Fund III-Y, LP (CIV), 1,475,343 shares held by AE Co-Investment Partners Fund III Y-2, LP, 23,916 shares held by AE Industrial PSO Equity Partners, LP, 553,253 shares held by AE Industrial Partners PBCI Aggregator, LP, 430,134 shares held by AE Industrial HorizonX Venture Fund II, LP, 605,899 shares held by HorizonX Venture Fund I, 945,442 shares held by Ventures Fund III, 559,633 shares held by Structured Solutions I and 178,392 shares held by HorizonX Venture Co-Investment Fund.
3. Each entity described above is ultimately controlled by AeroEquity GP, LLC. AeroEquity GP, LLC is controlled by its managing members, Michael Greene and David Rowe. Messrs. Greene and Rowe make all voting and investment decisions with respect to the securities held by AE Industrial Partners. Each of the entities and individuals named above disclaims beneficial ownership of the securities held by AE Industrial Partners, except to the extent of its pecuniary interest therein.
/s/ Matt Friendly, by Power of Attorney07/10/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR