Aevex Corp. (AVEX) Lock-Up Waiver Concealment Case
$AVEX investors filed a claim against Aevex Corp. for concealing a pre-arranged plan to prematurely waive its IPO lock-up agreement, allowing controlling shareholder Madison Dearborn Partners to cash out over $200 million just weeks after the company went public.
Aevex's stock fell 16% in a single day after the company announced a secondary offering just 46 days after its IPO, revealing that underwriters had agreed to waive the 180-day lock-up that was supposed to prevent Madison from selling its shares until October 2026; shares fell a further 7% days later when the offering priced.
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Case Details:
Aevex Corp. is a military technology contractor that designs unmanned aerial and surface vehicles and provides AI-enabled intelligence and reconnaissance services. Aevex went public on April 17, 2026, selling 18.4 million shares and raising roughly $346 million, while private equity firm Madison Dearborn Partners, which had owned 100% of the company before the IPO, retained a 77.5% stake and sold no shares.
The IPO offering documents represented that Madison, along with company insiders, had agreed to a standard 180-day lock-up restricting sales of Aevex stock until October 13, 2026, subject only to "limited exceptions" requiring the written consent of at least two of the three lead underwriters (Goldman Sachs, BofA Securities, and Jefferies).
What investors were not told is that Madison, Aevex, and the underwriters allegedly had a pre-arranged plan to waive that lock-up shortly after the IPO so that Madison could unload a significant portion of its holdings.
The truth emerged in two steps. After the market closed on June 1, 2026, just 46 days after the IPO, Aevex filed a registration statement announcing a secondary offering of 8 million additional shares; the stock fell approximately 16% the next day, wiping out over $700 million in market capitalization.
Then, on June 5, 2026, when Aevex filed the final prospectus for the secondary offering, confirming that underwriters had waived the lock-up restrictions to allow Madison to sell and exchange $207.9 million worth of stock, shares fell a further 7%.
In the secondary offering, Madison received the entire $207.9 million in net proceeds, while Aevex itself earned nothing from the sale.
Based on these events, $AVEX investors filed a claim against Aevex, alleging the company and its controlling stockholder:
Concealed a pre-arranged plan to prematurely waive the IPO's 180-day lock-up restriction
Misrepresented the permanence of the lock-up commitment in the IPO offering documents
Allowed Madison Dearborn Partners to cash out over $200 million in stock just weeks after the IPO, while underwriters collected millions more in fees from the follow-on sale
Investors argue Aevex misled the market about the durability of its lock-up protections, causing losses when the secondary offering revealed the previously concealed plan to let its controlling shareholder sell early.