Latest Schedule 13D activist filings

Mitsui Sumitomo Insurance Co. increased its beneficial ownership in W. R. Berkley Corporation to 13.9% through recent open market purchases totaling over $287 million.

Panacea Venture entities, including James Huang, have updated their beneficial ownership in Atara Biotherapeutics, Inc., reporting a sale of shares and warrant exercises.

An amendment to Schedule 13D details updated beneficial ownership percentages for key entities and individuals in CompoSecure, Inc. as of January 12, 2026.

Thomas James Segrave, Jr. increased his beneficial ownership in flyExclusive, Inc. Class A Common Stock to 56.28% following the issuer's financing activities.

James Lim, a reporting person, has reduced his beneficial ownership in StepStone Group Inc. to 4.0% through a series of open market sales in early January 2026.

Scilex Holding Company has increased its beneficial ownership in Datavault AI Inc. to 37.27% through recent stock purchases.

Scilex Holding Company has increased its beneficial ownership in Datavault AI Inc. to 37.27% through recent stock purchases.

Activist investor Sardar Biglari's group withdrew its board nominee for Jack in the Box Inc. but plans continued engagement and potential withhold campaign.

Activist investor Sardar Biglari's group withdrew its board nominee for Jack in the Box Inc. but plans continued engagement and potential withhold campaign.

Viant Technology Inc.'s Chief Financial Officer, Larry Madden, filed an amended Schedule 13D to correct previously reported beneficial ownership of Class A Common Stock, now reflecting a 6.9% stake.

Baker Bros. Advisors and affiliated funds have increased their beneficial ownership in DBV Technologies S.A. to 9.99% following the exercise of warrants.

Zenas BioPharma's CEO and Chairman, Leon O. Moulder, Jr., along with affiliated entities, reported an aggregate beneficial ownership of 5.159% of the company's common stock, following recent open-market purchases and a private placement.

Brass Ring Trust and Paul Zellar have filed an amended Schedule 13D, indicating they no longer beneficially own more than 5% of Falcon's Beyond Global, Inc.'s Class A common stock.

Tillman's Corner Trust and Christine E. Zellar-Church have filed an Amendment No. 1 to Schedule 13D, indicating they are no longer beneficial owners of more than 5% of Falcon's Beyond Global, Inc.'s Class A common stock.

Sofinnova Crossover I SLP and related entities have reduced their beneficial ownership in Abivax S.A. by selling approximately 1 million American Depositary Shares (ADS) across two days in January 2026.

Bingzhong Wang, a reporting person, increased his beneficial ownership in Metalpha Technology Holding Ltd to 6.6% through share subscriptions, warrant exercises, and performance-based awards.

Vladimir and Angelica Galkin have increased their beneficial ownership in Newegg Commerce, Inc. to 20.5% through recent open market purchases.

Westerman Interests, Inc. and Westerman, Ltd. have acquired a 12.9% beneficial ownership in USA Compression Partners, LP common units as part of an $860 million acquisition.

The Gottwald family group increased its beneficial ownership in Tredegar Corporation to 20.3% and John D. Gottwald sent a letter to the company's board of directors.

A group of investment entities led by Mario Gabelli has increased its beneficial ownership in Lee Enterprises, Inc. to 13.67% and communicated its views on the company's proposed private placement and governance.

Key insiders Joseph and Zwi Williger, along with entities they control, sold nearly 2 million shares of G Willi Food International Ltd for over $58 million.

Intercontinental Exchange, Inc. and its subsidiary have updated their beneficial ownership in Bakkt Holdings, Inc., now holding 32.3% and supporting Bakkt's acquisition of Distributed Technologies Research Global Ltd.

Intercontinental Exchange and its subsidiary updated their beneficial ownership in Bakkt Holdings, Inc. and disclosed agreements supporting Bakkt's acquisition of Distributed Technologies Research Global Ltd.

Mark J. Penn transferred 2 million Class A Common Stock shares to Stagwell Group to rectify a prior distribution, adjusting beneficial ownership percentages.

MP Materials Corp. CEO James H. Litinsky reduced his beneficial ownership to 7.3% through significant open market sales and tax-related withholdings, while also receiving new RSU grants.

Samsara BioCapital and Opportunity Fund increased their beneficial ownership in Alumis Inc. to 5.4% through recent open market purchases and participation in a public offering.

KAOS Capital Ltd. and Adam Arviv have reduced their beneficial ownership in Psyence Biomedical Ltd. to 4.91% due to an increase in outstanding shares, while expressing significant concerns about current management.

Genco Shipping & Trading's Board unanimously rejected Diana Shipping's $20.60 per share all-cash acquisition proposal, citing undervaluation and execution risks, and instead proposed Genco acquiring Diana.

Diana Shipping's all-cash offer for Genco Shipping & Trading was rejected, with Genco proposing to acquire Diana instead, escalating a potential dry bulk industry consolidation.

TPG and Angelo Gordon entities have ceased beneficial ownership of Anywhere Real Estate Inc. common stock following a merger on January 9, 2026.