Statement of Changes in Beneficial Ownership (Form 4)

FORM 4 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 that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * Boland Ryan Michael 2. Issuer Name and Ticker or Trading Symbol Firefly Aerospace Inc. [FLY] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) C/O FIREFLY AEROSPACE INC., 1320 ARROW POINT DRIVE #109 3. Date of Earliest Transaction (Month/Day/Year) 03/23/2026 (Street) CEDAR PARK, TX 78613 4. If Amendment, Date Original Filed (Month/Day/Year) 6. Individual or Joint/Group Filing (Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) 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 03/23/2026 J 539,143(1)(2) D (1) 0 I See footnote(3) Common Stock 03/23/2026 J 688,751(4)(5) D (4) 40,821 I See footnote(6) Common Stock 03/23/2026 J 1,601,440(7) D (7) 0 I See footnote(8) Common Stock 03/23/2026 J 122,860(1)(4)(7) A (1)(4)(7) 122,860 I See footnote(9) Common Stock 3,334 D

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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 Underlying Securities (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 of Derivative Security: 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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Boland Ryan Michael C/O FIREFLY AEROSPACE INC. 1320 ARROW POINT DRIVE #109 CEDAR PARK, TX 78613	X

Signatures

/s/ David Wheeler, Attorney-in-fact		03/25/2026
**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Represents shares of common stock distributed by Ares Technology I LLC ("Ares") on a pro rata basis to its limited partners, including 26,537 shares to the Ryan M. Boland Revocable Trust.
(2)	Includes 1 share of common stock that was inadvertently excluded from the Form 3 filed by the reporting person on August 6, 2025.
(3)	The reporting person exercised voting and dispositive control over the shares of common stock previously held by Ares.
(4)	Represents shares of common stock distributed by Mars Technology Holdings LLC ("Mars") on a pro rata basis to its limited partners, including 36,803 shares to the Ryan M. Boland Revocable Trust.
(5)	Includes 3 shares of common stock that were inadvertently excluded from the Form 3 filed by the reporting person on August 6, 2025.
(6)	The reporting person exercises voting and dispositive control over the shares of common stock held by Mars.
(7)	Represents shares of common stock distributed by Lunar Technology I LLC ("Lunar") on a pro rata basis to its limited partners, including 59,520 shares to the Ryan M. Boland Revocable Trust.
(8)	The reporting person exercised voting and dispositive control over the shares of common stock previously held by Lunar.
(9)	These shares are held directly by the Ryan M. Boland Revocable Trust for which the reporting person serves as trustee. The reporting person may be deemed to have beneficial ownership of the shares held by the trust.

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