Onestream Acquisition Faces Regulatory and Shareholder Scrutiny

The proposed $6.4 billion acquisition of software firm Onestream by private equity investor Hg is encountering fresh challenges. Regulatory scrutiny in Australia and a legal probe initiated by shareholders are creating new obstacles for the deal, which was first announced in January.

Shareholder Lawsuit Questions Offer Price

A significant point of contention is the adequacy of the $24.00 per share cash offer. The law firm Kaskela Law LLC has launched an investigation to determine whether this price reflects Onestream’s true market value. The probe will examine if the company’s board breached its fiduciary duties by agreeing to a transaction that falls below some analyst price targets. At the time of the deal’s announcement, certain market analysts had published targets as high as $27.00 per share.

This legal action underscores shareholder skepticism, which is also reflected in the stock’s current trading price. Shares recently changed hands around $23.60, remaining slightly below Hg’s offer and indicating persistent market doubt about the transaction’s successful completion.

Should investors sell immediately? Or is it worth buying Onestream?

Australian Regulators Launch Formal Review

Adding a layer of procedural complexity, Australian regulatory authorities have commenced a formal investigation into the takeover. Hg intends to acquire Onestream in full through its special purpose acquisition vehicle, Onward AcquireCo. This international oversight represents another regulatory hurdle for the timeline of the multi-billion dollar transaction.

Management Sale and Upcoming Earnings

Amid these developments, a notable stock sale by a company executive drew attention. Chief Revenue Officer Ken Hohenstein sold 60,000 shares last Tuesday at an average price of $23.46, a transaction worth approximately $1.4 million. The company clarified this sale was executed under a pre-arranged trading plan established in August 2025 and was therefore not linked to the ongoing acquisition news. Hohenstein retains a holding of nearly one million shares.

Looking ahead, Onestream is scheduled to release its fourth-quarter and full-year 2025 financial results after the market closes this Thursday. However, due to the pending acquisition process, the company will forgo its customary earnings conference call with analysts.