Firefly Aerospace director granted 3,630 RSUs

Lusczakoski Jonathan Donald reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Lusczakoski Jonathan Donald reported acquisition or exercise transactions in this Form 4 filing.

Firefly Aerospace Inc. director Jonathan Donald Lusczakoski received an equity grant of 3,630 shares of common stock in the form of restricted stock units under the company’s 2025 Omnibus Incentive Plan. These RSUs vest on June 4, 2027, contingent on his continued service. Following this award, he directly holds 9,186 shares of common stock, including RSUs, aligning more of his compensation with the company’s future performance.

Insider Trade Summary

Grant/Award: 3,630 shares

Grant/Award 1 txn

Insider Lusczakoski Jonathan Donald

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	3,630	$0.00	$0.00

Holdings After Transaction: Common Stock — 9,186 shares (Direct)

Footnotes (2)

1. F1. Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. The RSUs vest on June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.
2. F2. A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Key Figures

RSUs granted: 3,630 shares Grant price: $0.0000 per share Vesting date: June 4, 2027 +1 more

4 metrics

RSUs granted 3,630 shares Restricted stock units of common stock granted to director

Grant price $0.0000 per share Reported transaction price per share for RSU grant

Vesting date June 4, 2027 RSUs vest subject to continued service through this date

Total holdings after grant 9,186 shares Director’s direct common stock holdings following the transaction

Key Terms

restricted stock units, RSUs, 2025 Omnibus Incentive Plan

3 terms

restricted stock units financial

"Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

RSUs financial

"A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock."

RSUs, or restricted stock units, are a form of company shares given to employees as part of their compensation. They are typically awarded with certain restrictions, such as a waiting period before they can be fully owned or sold, similar to earning a gift that becomes fully yours over time. For investors, RSUs can impact a company's stock offerings and reflect how much the company relies on stock-based incentives to attract and retain talent.

2025 Omnibus Incentive Plan financial

"Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan."

An omnibus incentive plan is a company-wide program that authorizes awards of pay tied to performance and retention—such as stock options, restricted shares, cash bonuses and other rewards—here labeled for the year it was adopted (2025). Investors care because it affects how much ownership can be issued, dilutes existing shareholders, and aligns executives’ and employees’ incentives with company goals, similar to giving team members a stake in the outcome.

FAQ

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

What did Firefly Aerospace (FLY) report in this Form 4 for Jonathan Lusczakoski?

Firefly Aerospace reported that director Jonathan Donald Lusczakoski received a grant of 3,630 restricted stock units of common stock. The award was made under the 2025 Omnibus Incentive Plan and increases his total direct holdings to 9,186 shares following the grant.

How many Firefly Aerospace (FLY) shares did the director acquire in this transaction?

The director acquired 3,630 shares of Firefly Aerospace common stock in the form of restricted stock units. These units were granted at no cash cost per share and represent a contingent right to receive one share of common stock for each vested RSU.

When do Jonathan Lusczakoski’s Firefly Aerospace (FLY) RSUs vest?

The restricted stock units granted to Jonathan Lusczakoski vest on June 4, 2027. Vesting is conditioned on his continued service to Firefly Aerospace through that date, meaning he must remain in service until then to receive the underlying common shares.

What is Jonathan Lusczakoski’s total Firefly Aerospace (FLY) share ownership after this Form 4?

After the RSU grant, Jonathan Lusczakoski holds a total of 9,186 shares of Firefly Aerospace common stock directly. This figure includes the newly granted restricted stock units, each representing a contingent right to receive one share upon vesting.

What type of equity award did Firefly Aerospace (FLY) grant to its director?

Firefly Aerospace granted restricted stock units, or RSUs, to its director. Each RSU represents a contingent right to receive one share of common stock, granted under the 2025 Omnibus Incentive Plan, with vesting scheduled for June 4, 2027, subject to continued service.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/08/2026 - 08:33 AM EDT 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^*

Lusczakoski Jonathan Donald

(Last) (First) (Middle)

C/O FIREFLY AEROSPACE INC.

2203 SCOTTSDALE DRIVE

(Street)

LEANDER TEXAS 78641

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/04/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form 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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	06/04/2026		A		3,630(1)	A	$0	9,186(2)	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 June 4, 2027, subject to the reporting person's continued service to the Issuer through the vesting date.

2. A portion of these securities are RSUs. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

	/s/ David Wheeler, Attorney-in-fact	06/08/2026
	** 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.
* Form 4: SEC 1474 (03-26)