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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13G
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UNDER THE SECURITIES EXCHANGE ACT OF 1934
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AEVEX Corp. (Name of Issuer) |
Class A common stock, par value $0.0001 per share (Title of Class of Securities) |
(CUSIP Number) |
06/30/2026 (Date of Event Which Requires Filing of this Statement) |
| Check the appropriate box to designate the rule pursuant to which this Schedule is filed: |
| Rule 13d-1(b) |
| Rule 13d-1(c) |
| Rule 13d-1(d) |
SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
Madison Dearborn Partners LLC | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
80,423,676.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
49.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
MADISON DEARBORN CAPITAL PARTNERS VII-B, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
80,423,676.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
49.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
MADISON DEARBORN CAPITAL PARTNERS VII EXECUTIVE-B, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
80,423,676.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
49.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13G
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| CUSIP No. |
| 1 | Names of Reporting Persons
MADISON DEARBORN CAPITAL PARTNERS VII-C, L.P. | ||||||||
| 2 | Check the appropriate box if a member of a Group (see instructions)
(a)
(b) | ||||||||
| 3 | Sec Use Only | ||||||||
| 4 | Citizenship or Place of Organization
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 9 | Aggregate Amount Beneficially Owned by Each Reporting Person
80,423,676.00 | ||||||||
| 10 | Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
| ||||||||
| 11 | Percent of class represented by amount in row (9)
49.5 % | ||||||||
| 12 | Type of Reporting Person (See Instructions)
PN |
SCHEDULE 13G
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| Item 1. | ||
| (a) | Name of issuer:
AEVEX Corp. | |
| (b) | Address of issuer's principal executive offices:
440 Stevens Ave # 150 Solana Beach, CA 92075 | |
| Item 2. | ||
| (a) | Name of person filing:
This statement is being jointly filed by each of the persons below pursuant to Rule 13d-1(k) promulgated by the SEC pursuant to Section 13 of the Act, all of whom together are referred to herein as the "Reporting Persons":
(i) Madison Dearborn Capital Partners VII-B, L.P.;
(ii) Madison Deaborn Capital Partners VII Executive-B, L.P.;
(iii) Madison Deaborn Capital Partners VII-C, L.P. (together with each of the foregoing, the "MDP Funds"); and
(iv) Madison Dearborn Partners, LLC ("Madison Dearborn"). | |
| (b) | Address or principal business office or, if none, residence:
70 W. Madison Street, Suite 4600 Chicago, IL 60602 | |
| (c) | Citizenship:
See responses to row 4 on each cover page. | |
| (d) | Title of class of securities:
Class A common stock, par value $0.0001 per share | |
| (e) | CUSIP No.:
| |
| 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:
See responses to row 9 on each cover page.
The reported securities are directly held as follows: (i) ATS PubCo Holdings, L.P. ("ATS PubCo Holdings) directly holds 22,694,184 Class A Common Stock, (ii) ATS Management Holdings, LLC ("ATS Management Holdings") directly holds 164,662 Class A Common Stock and 411,724 Class B Common Stock and corresponding Series B Units which upon conversion will result in the issuance of an equivalent number of Class A Common Stock and (iii) ATS Investment Holdings, LLC ("ATS Investment Holdings") directly holds 57,153,106 Class B Common Stock and corresponding Series B Units which upon conversion will result in the issuance of an equivalent number of Class A Common Stock.
Each of ATS PubCo Holdings, ATS Management Holdings and ATS Investment Holdings are controlled by the MDP Funds. The ultimate general partner of each of the MDP Funds is Madison Dearborn. Paul J. Finnegan and Vahe A. Dombalagian are the sole members of the board of managers of Madison Dearborn, which has the power to vote or dispose of the securities held by the MDP Funds. By virtue of the relationships described herein, each of the Reporting Persons may be deemed to beneficially own the securities reported herein.
Pursuant to Rule 13d-4 of the Act, the Reporting Persons declare that filing this statement shall not be construed as an admission that any of the Reporting Persons are, for the purposes of Section 13(d) and/or Section 13(g) of the Act, the beneficial owner of any securities covered by this statement, and such beneficial ownership is expressly disclaimed by the Reporting Persons. | |
| (b) | Percent of class:
See responses to row 11 on each cover page. %
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| (c) | Number of shares as to which the person has:
| |
| (i) Sole power to vote or to direct the vote:
See responses to row 5 on each cover page | ||
| (ii) Shared power to vote or to direct the vote:
See responses to row 6 on each cover page | ||
| (iii) Sole power to dispose or to direct the disposition of:
See responses to row 7 on each cover page | ||
| (iv) Shared power to dispose or to direct the disposition of:
See responses to row 8 on each cover page | ||
| Item 5. | Ownership of 5 Percent or Less of a Class. | |
| Item 6. | Ownership of more than 5 Percent on Behalf of Another Person. | |
Not Applicable
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| Item 7. | Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. | |
Not Applicable
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| Item 8. | Identification and Classification of Members of the Group. | |
Not Applicable
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| Item 9. | Notice of Dissolution of Group. | |
Not Applicable
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| Item 10. | Certifications: |
Not Applicable
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| 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.
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Exhibit Information
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Exhibit 99.1 Joint Filing Agreement, dated August 14, 2026 |