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Madison Dearborn Partners LLC's Form 4 filing

AEVEX Corp. (AVEX) · filed Jun 8, 2026

Accession no.
0001193125-26-262090
Filed
Jun 8, 2026, 5:22 PM ET
Trade date
Jun 5, 2026
Filing delay
3 days
Rule 10b5-1 plan
Not checked

This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $59.1M. It was filed 3 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Madison Dearborn Partners LLCCIK 000118110010% Owner
Madison Dearborn Capital Partners VII-B, L.P.CIK 000163218410% Owner
Madison Dearborn Capital Partners VII-C, L.P.CIK 000163218810% Owner
Madison Dearborn Capital Partners VII Executive-B, L.P.CIK 000163219010% Owner

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Jun 5, 2026Class A Common StockSSaleDisposed−2,273,843$25.99−$59,097,179.5722,861,457Indirect
Jun 5, 2026Class A Common StockJOtherDisposed−2,611–F1–22,858,846Indirect
Jun 5, 2026Class B Common StockDReturned to the companyDisposed−4,757,448–F4–58,540,076Indirect
Jun 5, 2026Class B Common StockJOtherDisposed−975,246–F4–57,564,830Indirect

Derivative securities (Table II)

Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.

Derivative transactions
Trade dateSecurityTransactionUnderlying sharesUnit priceValueHeld afterOwnershipFlags
Jun 5, 2026Class A Common StockDReturned to the companyDisposed−4,757,448–F4–58,540,076Indirect
Jun 5, 2026Class A Common StockJOtherDisposed−975,246–F4–57,564,830Indirect

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

In connection with the offering as described in the Issuer's Registration Statement on Form S-1 (Registration No. 333-296396) (the "Offering"), the following transactions have occurred regarding this Statement's reported Class A common stock of the Issuer ("Class A Shares"): (i) ATS PubCo Holdings, L.P. ("ATS PubCo Holdings") sold 9,341 Class A Shares and ATS PubCo Seller Holdings, LLC sold 2,264,502 Class A Shares to the underwriters at a net offering price of $25.99 and (ii) ATS PubCo Holdings distributed 2,611 Class A Shares in a pro rata distribution to its limited partners for no consideration.

Referenced by the price of 1 transaction in Table I.

F4

In connection with the Offering, the following transactions have occurred regarding this Statement's reported Class B common stock of the Issuer ("Class B Shares") and Series B Units of Athena Technology Solutions Holdings, LLC ("Series B Units"): (i) ATS Investment Holdings, LLC ("ATS Investment Holdings") distributed 5,732,694 Class B Shares and corresponding Series B Units in a pro rata distribution to its members, including certain entities controlled by the MDP Funds, for no consideration and (ii) following such distribution, the MDP Funds sold 4,757,448 Series B Units, received by such entities controlled by the MDP Funds in such distribution, at a net offering price of $25.99 per unit to the Issuer (together with the corresponding Class B Shares for no additional consideration).

Referenced by the price of 2 transactions in Table I and 2 transactions in Table II.

Read the full filing on SEC EDGAR (opens in a new tab)