Marc Allen Weiser - 25 Feb 2026 Form 4 Insider Report for Firefly Aerospace Inc. (FLY)

Reporting relationship: Director
Issuer ticker: FLY
Reported as of: 25 Feb 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 Feb 2026, 16:30:07 UTC
Prior SEC filing: 06 Aug 2025
Source filing: View source filing
Reporting owner signature: /s/ David Wheeler, Attorney-in-fact

Key filing fact

Marc Allen Weiser filed Form 4 for Firefly Aerospace Inc. (FLY) on 27 Feb 2026.

Key facts

This page summarizes Marc Allen Weiser's Form 4 filing for Firefly Aerospace Inc. (FLY).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 27 Feb 2026, 16:30.

Change

Previous filing in this sequence was filed on 06 Aug 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 0002078103 Primary reporting owner

Weiser Marc Allen

Relationship: Director
Address: C/O FIREFLY AEROSPACE INC., 1320 ARROW POINT DRIVE #109, CEDAR PARK
Signature: /s/ David Wheeler, Attorney-in-fact
Signature date: 27 Feb 2026

Reported non-derivative transactions

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

FLY transaction

Common Stock

Award

Transaction value: $0
Shares: +3,334
Change %
Price: $0.000000
Shares after: 3,334
Date: 25 Feb 2026
Ownership: Direct
Footnotes: F1

FLY holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,840,043
Date: 25 Feb 2026
Ownership: See footnotes
Footnotes: F2, F4

FLY holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 1,205,209
Date: 25 Feb 2026
Ownership: See footnotes
Footnotes: F3, F4

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote 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.

Footnote F2

Consists of shares of common stock held by BGW Ventures IV, LP over which the reporting person exercises voting and dispositive control.

Footnote F3

Consists of shares of common stock held by RPM Ventures IV, L.P. over which the reporting person exercises voting and dispositive control.

Footnote F4

Each of the foregoing entities and the reporting person disclaims beneficial ownership of the shares reported as indirectly owned by the reporting person herein, except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of such shares for purposes of Section 16 or for any other purpose.