STOCK TITAN

Firefly Aerospace (NYSE: FLY) grants CAO 10,423 RSUs vesting over 3 years

Filing Impact
(Neutral)
Filing Sentiment
(Neutral)
Form Type
4

Rhea-AI Filing Summary

Wu Remington reported acquisition or exercise transactions in this Form 4 filing.

Firefly Aerospace Inc. granted Chief Accounting Officer Wu Remington 10,423 shares of Common Stock in the form of restricted stock units (RSUs) at a price of $0.00 per share as equity compensation. Following this grant, Remington directly holds 40,423 shares.

These RSUs vest over three years: one-third vests on the one-year anniversary of the grant date, and 1/12 vests quarterly thereafter until the third anniversary, in each case conditioned on continued employment with the company.

Positive

  • None.

Negative

  • None.
Insider Wu Remington
Role Chief Accounting Officer
Type Security Shares Price Value
Grant/Award Common Stock 10,423 $0.00 --
Holdings After Transaction: Common Stock — 40,423 shares (Direct)
Footnotes (1)
  1. [object Object]
RSUs granted 10,423 shares Restricted stock units of Common Stock granted to CAO
Grant price $0.00 per share Equity compensation, not open-market purchase
Total shares after grant 40,423 shares Direct holdings following RSU grant
Initial vesting One-third at 1-year First vesting milestone from grant date
Subsequent vesting 1/12 quarterly Quarterly vesting after first anniversary
Full vesting period 3 years RSUs fully vested at third anniversary
restricted stock units ("RSUs") financial
"Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan."
Restricted stock units (RSUs) are a company promise to give an employee shares of stock (or cash equivalent) in the future, but only after certain conditions—usually staying with the company for a set time or hitting performance goals—are met. Investors watch RSUs because when they vest they increase the number of shares outstanding and can lead insiders to sell shares, affecting share price, company dilution and the true cost of employee pay.
2025 Omnibus Incentive Plan financial
"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.
vest financial
"One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter"
A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.
grant date financial
"One-third of the RSUs vest at the one-year anniversary of the grant date"
The grant date is the day a company formally gives an employee or contractor the right to receive stock-based compensation, such as stock options or restricted shares. It matters to investors because it fixes key terms—like the price, the start of the ownership clock, and when the award will affect the company’s financial statements and share count—so it can influence dilution, reported expenses, and potential future selling pressure.
continued employment financial
"subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date."
Continued employment means that an individual remains in their current job without interruption. For investors, it signals stability and ongoing work that can affect company performance and future prospects. Like a steady heartbeat for a business, sustained employment helps ensure consistent operations and financial health.
SEC Form 4
FORM 4UNITED 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*
Wu Remington

(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)
Director10% Owner
XOfficer (give title below)Other (specify below)
Chief Accounting Officer
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
04/08/2026
6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock04/08/2026A10,423(1)A$040,423D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares
Explanation of Responses:
1. Represents restricted stock units ("RSUs") granted under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. One-third of the RSUs vest at the one-year anniversary of the grant date, and 1/12 of the RSUs vest quarterly thereafter (such that the RSUs will be fully vested at the third anniversary of the grant date), subject in each case to the reporting person's continued employment with the Issuer through the respective vesting date.
/s/ David Wheeler, Attorney-in-fact04/10/2026
** Signature of Reporting PersonDate
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)

FAQ

What insider transaction did Firefly Aerospace (FLY) report for Wu Remington?

Firefly Aerospace reported that Chief Accounting Officer Wu Remington received 10,423 restricted stock units of Common Stock as an equity grant. The grant price is $0.00 per share and reflects compensation, not an open-market purchase, increasing his directly held shares to 40,423.

How many Firefly Aerospace (FLY) shares does Wu Remington hold after this grant?

After the grant, Wu Remington directly holds 40,423 shares of Firefly Aerospace Common Stock. This total includes the 10,423 restricted stock units granted under the company’s 2025 Omnibus Incentive Plan, which will vest over a three-year period subject to continued employment.

What are the vesting terms of Wu Remington’s 10,423 RSUs at Firefly Aerospace (FLY)?

The 10,423 RSUs vest over three years: one-third vests on the one-year anniversary of the grant date, and 1/12 vests quarterly thereafter. Full vesting occurs at the third anniversary, provided Wu Remington remains employed with Firefly Aerospace through each vesting date.

Was Wu Remington’s Firefly Aerospace (FLY) RSU grant an open-market stock purchase?

No, the transaction reflects an equity grant, not an open-market purchase. The 10,423 shares were awarded as restricted stock units at a price of $0.00 per share under Firefly Aerospace’s 2025 Omnibus Incentive Plan as part of executive compensation.

Under which plan were the 10,423 RSUs granted to Wu Remington at Firefly Aerospace (FLY)?

The 10,423 RSUs granted to Wu Remington were issued under the Firefly Aerospace Inc. 2025 Omnibus Incentive Plan. This plan provides equity-based awards, and these RSUs vest over three years, contingent on his continued employment with the company through each vesting date.