Darren Ma - 24 Aug 2026 Form 4 Insider Report for Firefly Aerospace Inc. (FLY)

Reporting relationship: Chief Financial Officer
Issuer ticker: FLY
Reported as of: 24 Aug 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 18 Sep 2026, 21:00:03 UTC
Prior SEC filing: 26 Nov 2025
Source filing: View source filing
Reporting owner signature: /s/ Nathan O'Konek, Attorney-in-fact

Key filing fact

Darren Ma filed Form 4 for Firefly Aerospace Inc. (FLY) on 18 Sep 2026.

Key facts

This page summarizes Darren Ma's Form 4 filing for Firefly Aerospace Inc. (FLY).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 18 Sep 2026, 21:00.

Change

Previous filing in this sequence was filed on 26 Nov 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001624120 Primary reporting owner

Ma Darren

Relationship: Chief Financial Officer
Address: C/O FIREFLY AEROSPACE INC., 1320 ARROW POINT DRIVE #109, CEDAR PARK
Signature: /s/ Nathan O'Konek, Attorney-in-fact
Signature date: 18 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FLY transaction

Common Stock

Tax liability

Transaction value
Shares: -256
Change %: -0.1%
Price: $23.10^*
Shares after: 260,687
Date: 24 Aug 2026
Ownership: Direct
Footnotes: F1

FLY transaction

Common Stock

Tax liability

Transaction value
Shares: -18,309
Change %: -7%
Price: $20.28^*
Shares after: 242,378
Date: 16 Sep 2026
Ownership: Direct
Footnotes: F1

FLY transaction

Common Stock

Options Exercise

Transaction value
Shares: +54,286
Change %: +22%
Price: $0.4231^*
Shares after: 296,664
Date: 17 Sep 2026
Ownership: Direct

FLY transaction

Common Stock

Options Exercise

Transaction value
Shares: +33,233
Change %: +11%
Price: $0.4882^*
Shares after: 329,897
Date: 17 Sep 2026
Ownership: Direct

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FLY transaction Derivative

Employee Stock Option (right to buy)

Options Exercise

Transaction value
Shares: -54,286
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 17 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 54,286
Exercise price: $0.4231
Footnotes: F2

FLY transaction Derivative

Employee Stock Option (right to buy)

Options Exercise

Transaction value
Shares: -33,233
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 17 Sep 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 33,323
Exercise price: $0.4482
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents shares of common stock withheld by the Issuer to cover the reporting person's tax withholding obligation upon the vesting of restricted stock units.

Footnote F2

All of the shares subject to the option are fully vested and exercisable as of the date hereof.

SEC remarks

Exhibit 24.1 - Power of Attorney