# EDGAR Filing Document

**Accession Number:** 0001860160
**File Stem:** 0000950170-25-104476
**Filing Date:** 2025-8
**Character Count:** 5083
**Document Hash:** cf3b58443ad9e7d0cc98687abdd28adf
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000950170-25-104476.hdr.sgml**: 20250806

**ACCESSION NUMBER**: 0000950170-25-104476

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250806

**FILED AS OF DATE**: 20250806

**DATE AS OF CHANGE**: 20250806

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** MITSUI & CO LTD
- **CENTRAL INDEX KEY:** 0000067099
- **STANDARD INDUSTRIAL CLASSIFICATION:** WHOLESALE-PETROLEUM & PETROLEUM PRODUCTS (NO BULK STATIONS) [5172]
- **ORGANIZATION NAME:** 07 Trade & Services
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-42789
- **FILM NUMBER:** 251191303

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 2-1, OTEMACHI 1-CHOME
- **STREET 2:** CHIYODA-KU
- **CITY:** TOKYO
- **PROVINCE COUNTRY:** M0
- **ZIP:** 100-8631
- **BUSINESS PHONE:** 81-80-3507-8275

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 2-1, OTEMACHI 1-CHOME
- **STREET 2:** CHIYODA-KU
- **CITY:** TOKYO
- **PROVINCE COUNTRY:** M0
- **ZIP:** 100-8631
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Firefly Aerospace Inc.
- **CENTRAL INDEX KEY:** 0001860160
- **STANDARD INDUSTRIAL CLASSIFICATION:** GUIDED MISSILES & SPACE VEHICLES & PARTS [3760]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 815194980
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 1320 ARROW POINT DR
- **STREET 2:** SUITE 109
- **CITY:** CEDAR PARK
- **STATE:** TX
- **ZIP:** 78613
- **BUSINESS PHONE:** 5122776959

**MAIL ADDRESS:**
- **STREET 1:** 1320 ARROW POINT DR
- **STREET 2:** SUITE 109
- **CITY:** CEDAR PARK
- **STATE:** TX
- **ZIP:** 78613

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>MITSUI & CO LTD<br><sub>(Last) (First) (Middle)</sub><br>2-1, OTEMACHI 1-CHOME<br><sub>(Street)</sub><br>CHIYODA-KU TOKYO, M0 100-8631<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Firefly Aerospace Inc. [ FLY ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-08-06 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [X] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common Stock | 5033120<sup>(1)</sup> | D |  |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The shares of common stock reported hereby give effect to the automatic conversion of the Issuer's preferred stock pursuant to the Issuer's Twelfth Amended and Restated Certificate of Incorporation. Such securities were held by the reporting person at the time the Issuer's common stock became registered pursuant to Section 12 of the Securities Exchange Act of 1934.

**Signature:** Mitsui & Co., LTD. by /s/ Yuichi Nagata, General Manager, Aerospace Business Div.  
**Date:** 2025-08-06

### Remarks:

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.**