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
Expires: December 31, 2014
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).
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 FL 33487

(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
Firefly Aerospace Inc. [ FLY ]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026
4. If Amendment, Date of Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
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 06/01/2026   S   5,198,872 D $ 48 33,016,575 I See Footnotes (1) (2) (3)
Common Stock 06/01/2026   S   2,801,128 D $ 48 17,688,857 I See Footnotes (1) (2) (4)
Common Stock               11,111 I See Footnotes (1) (2) (5)
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. Glow NS Holdings, LLC is controlled by Glow NS Intermediate Holdings, LLC, its sole member. Glow NS Intermediate Holdings LLC is controlled by Glow Aggregator, LLC, its sole member. Glow Aggregator, LLC is controlled by AE Industrial Partners Fund II, L.P., its managing member. AE Industrial Partners Fund II, L.P. is controlled by AE Industrial Partners Fund II GP, LP ("AE Fund II GP"), its general partner. Glow Holdings Aggregator, LLC is controlled by AE Co-Investment Partners Fund III-F, LP, its managing member. AE Co-Investment Partners Fund III-F, LP is controlled by AE Industrial Partners Fund III GP, LP ("AE Fund III GP"), its general partner.
2. (Continued from footnote 1) AE Fund II GP and AE Fund III GP are each managed by each entity's respective general partner, 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.
3. Held by Glow NS Holdings, LLC.
4. Held by Glow Holdings Aggregator, LLC. Shares previously reported as held by Glow B Holdings, LLC, Glow C Holdings, LLC, Glow D Holdings, LLC and AE Co-Investment Partners Fund III-F, LP were contributed to Glow Holdings Aggregator, LLC in an exempted transaction pursuant to Rule 16a-13.
5. Held by David Rowe.
AeroEquity GP, LLC /s/ Michael Greene, Authorized Signatory 06/03/2026
** Signature of Reporting Person Date
Glow NS Holdings, LLC /s/ Kirk Konert, Authorized Signatory 06/03/2026
** Signature of Reporting Person Date
Glow Holdings Aggregator, LLC /s/ Kirk Konert, Authorized Signatory 06/03/2026
** Signature of Reporting Person Date
/s/ Michael Greene 06/03/2026
** Signature of Reporting Person Date
/s/ David H. Rowe 06/03/2026
** 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.