Firefly director granted 3,334 RSUs

Zurbuchen Thomas Hansueli reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Zurbuchen Thomas Hansueli reported acquisition or exercise transactions in this Form 4 filing.

Firefly Aerospace Inc. director Thomas Hansueli Zurbuchen reported receiving a grant of 3,334 shares of common stock in the form of restricted stock units under the company’s 2025 Omnibus Incentive Plan. These RSUs vest on August 8, 2026, if he continues serving the company through that date, bringing his reported direct holdings to 4,134 shares.

Insider Trade Summary

Grant/Award: 3,334 shares

Grant/Award 1 txn

Insider Zurbuchen Thomas Hansueli

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3,334	$0.00	$0.00

Holdings After Transaction: Common Stock — 4,134 shares (Direct)

Footnotes (1)

1. F1. Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

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

Firefly Aerospace reported that director Thomas Hansueli Zurbuchen acquired 3,334 restricted stock units of common stock. The grant was made under the 2025 Omnibus Incentive Plan and reflects equity-based compensation rather than an open-market stock purchase.

How many Firefly Aerospace (FLY) shares does the director hold after this transaction?

After the reported grant, Thomas Hansueli Zurbuchen’s direct holdings total 4,134 shares of Firefly Aerospace common stock. This figure includes the newly granted 3,334 restricted stock units reported in the filing as part of his equity compensation package.

When do the newly granted Firefly Aerospace (FLY) RSUs vest?

The 3,334 restricted stock units granted to director Thomas Hansueli Zurbuchen are scheduled to vest on August 8, 2026. Vesting is conditioned on his continued service with Firefly Aerospace through that specific vesting date.

Under which plan were the Firefly Aerospace (FLY) RSUs granted?

The restricted stock units reported on this Form 4 were granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. This plan provides for equity-based awards, such as RSUs, as part of the company’s compensation structure for eligible participants.

Is the Firefly Aerospace (FLY) director’s transaction a market purchase or sale?

The transaction is not a market purchase or sale. It is classified as a grant or award acquisition of 3,334 restricted stock units, received as compensation, with no cash price per share reported in the Form 4.

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Accepted by SEC EDGAR 02/27/2026 - 04:30 PM EST Learn about SEC filing dates

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
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^*

Zurbuchen Thomas Hansueli

(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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/25/2026

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	02/25/2026		A		3,334(1)	A	$0	4,134	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 on August 8, 2026, subject to the reporting person's continued service to the Issuer through the vesting date.

	/s/ David Wheeler, Attorney-in-fact	02/27/2026
	** 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.