OneStream Inc

OS

Market cap $4.48B

BOSTON, Jan. 14, 2026 (GLOBE NEWSWIRE) -- Berman Tabacco, a national law firm representing investors, announces that it is investigating potential stockholder claims on behalf of investors in OneStream, Inc (“OneStream” or the “Company”) regarding a take-private transaction by Hg Capital, General Atlantic, and Tidemark.

A director at OneStream sold 7,956 shares for $185,436.09 on Tuesday. The sale represented 52.74% of Mariner's direct holdings, as reported, reducing his position to 7,130 shares post-transaction.

Onestream (OS) was a big mover last session on higher-than-average trading volume. The latest trend in earnings estimate revisions might not help the stock continue moving higher in the near term.

MILWAUKEE, Jan. 6, 2026 /PRNewswire/ -- Ademi LLP is investigating OneStream (NASDAQ: OS) for possible breaches of fiduciary duty and other violations of law in its recently announced transaction with Hg. Click here to learn how to join our investigation and obtain additional information or contact us at gademi@ademilaw.com or toll-free: 866-264-3995.

OneStream Inc (NASDAQ:OS) is set to go private after agreeing to a $6.4 billion all-cash acquisition by private equity firm Hg Capital, in a deal Wedbush described as a “smart move.” Under the definitive agreement, OneStream shareholders will receive $24 per share, reflecting a nearly 31% premium to the company's closing share price on January 5 and a 27% premium to its 30-day volume-weighted average price.

Ken Hohenstein exercised and sold 40,000 shares for a transaction value of $688,400 on Dec. 16, 2025. This transaction represented 2.2% of his total holdings at the time.

OneStream shareholders will receive $24 a share, a 31% premium over Monday's closing price.

Hg to Become Majority Shareholder, with Minority Investments from General Atlantic and Tidemark Shareholders to Receive $24.00 Per Share in Cash Transaction Represents a 31% Premium Over Closing Share Price on January 5, 2026 Partnership to Accelerate OneStream's AI Innovation and Scale for Office of the CFO BIRMINGHAM, Mich., Jan. 6, 2026 /PRNewswire/ -- OneStream, Inc. (Nasdaq: OS) ("OneStream" or the "Company"), the leading enterprise Finance management platform that modernizes the Office of the CFO by unifying core Finance and operational functions – including financial close, consolidation, reporting, planning and forecasting – today announced that it has entered into a definitive agreement to be acquired by Hg, a leading investor in software, services and data businesses.

Buyout firm Hg Capital will buy OneStream in an all-cash deal valued at $6.4 billion, the financial software maker said on Tuesday.

The financial software company has struggled with macro uncertainty and signals of slowing growth.