[Form 4] Firefly Aerospace Inc. Insider Trading Activity

Rhea-AI Filing Summary

Firefly Aerospace Inc. (FLY) reported an insider equity award on a Form 4. The company’s Chief Executive Officer, who also serves as a director, acquired 888,889 shares of common stock on 09/24/2025 through a grant valued at $0 per share. This reflects a compensatory equity award rather than an open-market purchase.

The shares represent restricted stock units granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. These RSUs vest in four installments on September 16, 2026, 2027, 2028 and 2029, and each installment requires the executive to remain employed with the company through the applicable vesting date. After this grant, the reporting person beneficially owns 888,889 shares directly.

SEC Form 4

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
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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^*

Kim Jesung

(Last) (First) (Middle)

C/O FIREFLY AEROSPACE INC.

1320 ARROW POINT DRIVE #109

(Street)

CEDAR PARK TX 78613

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Executive Officer

3. Date of Earliest Transaction (Month/Day/Year)
09/24/2025

4. If Amendment, Date of 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

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	09/24/2025		A		888,889(1)	A	$0	888,889	D

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. Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest in four installments on each of September 16, 2026, 2027, 2028 and 2029, subject to the reporting person's continued employment with the Issuer through the respective vesting date.

	/s/ David Wheeler, Attorney-in-fact	11/26/2025
	** 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.

FAQ

What insider transaction did Firefly Aerospace (FLY) report on this Form 4?

The filing reports that the Chief Executive Officer and director of Firefly Aerospace Inc. (FLY) received a grant of 888,889 restricted stock units (RSUs) of common stock on 09/24/2025 at a stated price of $0 per share as part of equity compensation.

How many shares were involved in the Firefly Aerospace CEO RSU grant?

The CEO and director of Firefly Aerospace Inc. was granted 888,889 RSUs of common stock, which are reported as 888,889 shares beneficially owned directly after the transaction.

What are the vesting terms of the 888,889 Firefly Aerospace RSUs?

The 888,889 RSUs granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan vest in four installments on September 16, 2026, 2027, 2028 and 2029, and each installment is subject to the executive’s continued employment with the company through the applicable vesting date.

Was any cash paid for the Firefly Aerospace (FLY) RSUs reported on this Form 4?

No cash payment is indicated; the common stock related to the RSU grant is reported with a price of $0, reflecting a compensatory equity award rather than a purchase on the open market.

What is the relationship of the reporting person to Firefly Aerospace (FLY)?

The reporting person is both a Director and an Officer of Firefly Aerospace Inc., serving as the company’s Chief Executive Officer, and files the Form 4 as a single reporting person.

Under which plan were the Firefly Aerospace RSUs granted?

The 888,889 RSUs were granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan, which is used to award equity-based compensation such as restricted stock units.