# EDGAR Filing Document

**Accession Number:** 0001860160
**File Stem:** 0001193125-25-282911
**Filing Date:** 2025-11
**Character Count:** 16342
**Document Hash:** 5db21eb77229bb076faace50caa6b53a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-25-282911.hdr.sgml**: 20251114

**ACCESSION NUMBER**: 0001193125-25-282911

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20251114

**DATE AS OF CHANGE**: 20251114

**SUBJECT COMPANY**: 

**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

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-95314
- **FILM NUMBER:** 251485813

**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
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** AEROEQUITY GP, LLC
- **CENTRAL INDEX KEY:** 0001880792

**ORGANIZATION NAME:**
- **EIN:** 473569135
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G

**BUSINESS ADDRESS:**
- **STREET 1:** 2500 N. MILITARY TRAIL, SUITE 470
- **CITY:** BOCA RATON
- **STATE:** FL
- **ZIP:** 33431
- **BUSINESS PHONE:** (561) 372-7820

**MAIL ADDRESS:**
- **STREET 1:** 2500 N. MILITARY TRAIL, SUITE 470
- **CITY:** BOCA RATON
- **STATE:** FL
- **ZIP:** 33431

### Attached PDF Documents

**Attachment 1:** `ck0000000000-ex99_a.pdf`

_No text found in this document._

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

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**Issuer:** Firefly Aerospace Inc.

**Title of Class of Securities:** Common Stock, par value $0.0001

**CUSIP Number:** 31816X106

**Date of Event Which Requires Filing of this Statement:** 09/30/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [ ] Rule 13d-1(c)

- [x] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>AeroEquity GP, LLC | Names of Reporting Persons<br>AeroEquity GP, LLC |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [x] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [x] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>DE | Citizenship or Place of Organization<br>DE |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>58805752 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>58805752 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>58805752 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>58805752 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>36.90% | Percent of Class Represented by Amount in Row (9)<br>36.90% |
| 12. | Type of Reporting Person (See Instructions)<br>OO | Type of Reporting Person (See Instructions)<br>OO |

**Comment for Type of Reporting Person:** Represents 58,705,432 shares of Common Stock and 100,320 shares of Common Stock issuable upon exercise of Warrants.

Calculated based on 159,251,122 Common Shares outstanding as of November 10, 2025, as reported on the Issuer's Quarterly Report on Form 10-Q filed on November 12, 2025, (the "Form 10-Q") with the SEC, as increased by 100,320 shares of Common Stock issuable upon exercise of Warrants.

---

| 1. | Names of Reporting Persons<br>Thomas Markusic | Names of Reporting Persons<br>Thomas Markusic |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [x] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [x] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>12487089 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>12487089 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>12487089 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>12487089 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>7.60% | Percent of Class Represented by Amount in Row (9)<br>7.60% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Represents 7,478,389 shares of Common Stock and 5,008,700 shares of Common Stock issuable upon exercise of Options.

Calculated based on 159,251,122 Common Shares outstanding as of November 10, 2025, as reported on the Issuer's Form 10-Q filed with the SEC, as increased by 5,008,700 shares of Common Stock issuable upon exercise of Warrants.

---

| 1. | Names of Reporting Persons<br>Mitsui & Co., LTD | Names of Reporting Persons<br>Mitsui & Co., LTD |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [x] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [x] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>M0 | Citizenship or Place of Organization<br>M0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>5033121 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>5033121 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>0 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>5033121 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>5033121 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>3.16% | Percent of Class Represented by Amount in Row (9)<br>3.16% |
| 12. | Type of Reporting Person (See Instructions)<br>CO | Type of Reporting Person (See Instructions)<br>CO |

**Comment for Type of Reporting Person:** Calculated based on 159,251,122 Common Shares outstanding as of November 10, 2025, as reported on the Issuer's Form 10-Q filed with the SEC.

---

| 1. | Names of Reporting Persons<br>Marc Allen Weiser | Names of Reporting Persons<br>Marc Allen Weiser |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [x] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [x] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>4045252 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>0 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>4045252 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>4045252 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>4045252 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [ ] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>2.54% | Percent of Class Represented by Amount in Row (9)<br>2.54% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** Calculated based on 159,251,122 Common Shares outstanding as of November 10, 2025, as reported on the Issuer's Form 10-Q filed with the SEC.

---

**Item 1(a). Name of Issuer:**
Firefly Aerospace Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
1320 ARROW POINT DR, SUITE 109, CEDAR PARK, TX, 78613

**Item 2(a). Name of Person Filing:**
This statement is filed by the entities and persons listed below, all of whom together are referred to herein as the "Reporting Persons":

       (i)	Glow NS Holdings, LLC.;
      (ii)	Glow B Holdings, LLC;
      (iii)	Glow C Holdings, LLC;
      (iv)     Glow D Holdings, LLC;
      (v)	AE Co-Investment Partners Fund III-F, L.P.; and
      (vi)	AE Industrial Partners Structured Solutions I, LP (together with each of the foregoing, the "AE Holders.")
     (vii)     AeroEquity GP, LLC (the "AE GP," and together with the AE Holders, the "AE Reporting Persons.")
     (viii)    Thomas Markusic
     (ix)      Mitsui & Co., LTD
     (x)       Marc Allen Weiser

**Item 2(b). Address of Principal Business Office:**
The AE Reporting Persons: 6700 Broken Sound Pkwy NW, Boca Raton, FL 33487

Thomas Markusic: 1320 ARROW POINT DRIVE, #109, CEDAR PARK, TX, 78613

Mitsui Co., LTD: 2-1, OTEMACHI 1-CHOME, CHIYODA-KU, TOKYO, Japan, 100-8631

Marc Allen Weiser: 320 N. Main St, Suite 400, Ann Arbor, MI 48104

**Item 2(c). Citizenship:**
See response to Item 4 on each cover page.

**Item 2(d). Title of Class of Securities:**
Common Stock, par value $0.0001

**Item 2(e). CUSIP Number:**
31816X106

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

Se responses to Item 9 on each cover page.

**(b) Percent of class:**

See responses to Item 11 on each cover page.

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

See responses to Item 5 on each cover page.

**(ii) Shared power to vote or to direct the vote:**

See response to Item 6 on each cover page.

**(iii) Sole power to dispose or to direct the disposition of:**

See response to Item 7 on each cover page.

**(iv) Shared power to dispose or to direct the disposition of:**

See response to Item 8 on each cover page.
AeroEquity GP, LLC is the ultimate General Partner or Managing Member of each of the AE Holders and may therefore be deemed to have voting and dispositive power over 58,705,432 shares of Common Stock and 100,320 shares of Common Stock issuable in exercise of 100,320 Warrants, representing 58,805,752 aggregate shares of Common Stock directly held by the AE Holders.
Thomas Markusic directly holds and therefore has voting and dispositive power over 7,478,389 shares of Common Stock and 5,008,700 shares of Common Stock issuable in exercise of 5,008,700 Options, representing an aggregate of 12,487,089 shares of Common Stock.
Mitsui & Co., LTD directly holds and therefore has voting and dispositive power over 5,033,121 shares of Common Stock.
Marc Allen Weiser is the Managing Member of BGW Ventures IV, LP and RPM Ventures IV, L.P., which hold 2,840,043 and 1,205,209 shares of Common Stock respectively, and therefore Mr. Weiser may be deemed to have voting and dispositive power over the 4,045,252 aggregate shares of Common Stock directly held by such entities.
As a result of the Director Nomination Agreement, dated as of August 6, 2025, by and among the Issuer and each of the reporting persons (filed as Exhibit 10.3 to the Current Report on Form 8-K filed by the Issuer on such date), the AE Reporting Persons, Thomas Markusic, Mitsui & Co., LTD, and Marc Allen Weiser, may be deemed to consititute a group for purposes of Section 13(g), which group would beneficially own an aggregate of 80,371,214 shares of Common Stock which represents 48.90% of the shares of Common Stock outstanding as of November 10 (or 53.00% based on shares of Common Stock outstanding as of September 19, 2025; holdings of the Reporting Persons are as of September 30, 2025). Notwithstanding the foregoing, nothing in this statement shall be deemed an admission of membership in any such group or of ownership of the reported securities for purposes of Section 13(d) or Section 13(g) of the Exchange Act.

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

Not Applicable

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

—

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**AeroEquity GP, LLC**

**Date:** 11/14/2025

**By:** /s/ Kirk Konert

**Name & Title:** Kirk Konert / Authorized Signatory

**Thomas Markusic**

**Date:** 11/14/2025

**By:** /s/ Thomas Markusic

**Name & Title:** Thomas E Markusic

**Mitsui & Co., LTD**

**Date:** 11/14/2025

**By:** /s/ Yuichi Nagata

**Name & Title:** Yuichi Nagata / General Manager, Aerospace Business Div.

**Marc Allen Weiser**

**Date:** 11/14/2025

**By:** /s/ Marc Allen Weiser

**Name & Title:** Marc Allen Weiser / Director