Latest Schedule 13D activist filings

Biofrontera AG has converted Series D Preferred Stock into common shares of Biofrontera Inc., increasing its beneficial ownership to 19.54% and securing board representation rights.

Activist investor Daniel S. Farb, holding a 9.8% stake in Artelo Biosciences, has nominated himself and Scott D. Pomfret to the company's Board of Directors, citing undervaluation and a desire to unlock shareholder value.

National Philanthropic Trust has filed a Schedule 13D, disclosing beneficial ownership of 231,520 Class A common shares, representing 9.0% of dMY Squared Technology Group, Inc., received as a donation.

Avenue Capital Group entities report sales of Hyperion DeFi common stock, leading to changes in their beneficial ownership percentages.

MNG Enterprises, Inc. has submitted an improved merger proposal to acquire DallasNews Corp for $20.00 per share in cash, a 21% premium over Hearst's $16.50 offer.

Hillevax, Inc. has completed its merger with XRA 4 Corp., a subsidiary of XOMA Royalty Corporation, ceasing to be a publicly traded company.

Hillevax, Inc. has completed its merger with XOMA Royalty Corporation, ceasing to be a publicly traded company.

Plus Channel Limited and Kastle Limited, entities holding shares for Zhihu Inc.'s incentive plan, increased their beneficial ownership to 8.0% of Class A ordinary shares through recent repurchases.

HF Sinclair Corporation has agreed to repurchase nearly 2 million shares of its common stock from REH Advisors Inc. for approximately $100 million.

Jeffrey E. Eberwein, CEO of Star Equity Holdings, Inc., increased his beneficial ownership to 19.7% following the acceleration of restricted stock units and recent share purchases.

Longitude Capital and its affiliates, including Patrick G. Enright and Juliet Tammenoms Bakker, have increased their beneficial ownership in CG Oncology, Inc. to 6.0%, triggering a Schedule 13D filing.

Inspirato Incorporated has received a revised non-binding all-cash acquisition proposal from Exclusive Investments, LLC for $3.50 per share, which the Handler Reporting Persons support.

Galaxy Digital LP and its affiliates have acquired a 9.99% beneficial ownership stake in Forward Industries, Inc. through a $150 million private placement and will serve as a strategic advisor.

Seven Fleet Partners LP, Seven Fleet Advisors LLC, and Dr. Brian Liu have collectively reported a 1.9% beneficial ownership stake in CG Oncology, Inc., citing an attractive investment opportunity.

Versant Venture Capital and Vantage funds have significantly reduced their beneficial ownership in LAVA Therapeutics N.V. through recent share sales totaling over $2.5 million.

Carl Daikeler, founder of The Beachbody Company, Inc., continues to hold a substantial 37.4% beneficial ownership of Class A Common Stock and 81.4% of total voting power as of September 17, 2025.

Pampa Energy Inc. and its subsidiary Generation Argentina Inc. have significantly reduced their beneficial ownership in GeoPark Ltd, selling over 2.9 million shares.

Sofinnova Venture Partners XI and related entities, including Dr. James I. Healy, reported a decrease in their beneficial ownership of Rapport Therapeutics, Inc. common stock to below 5% due to dilution from the Issuer's recent share sales.

Ioannis Zafirakis and Abra Marinvest Inc. increased their beneficial ownership in OceanPal Inc. to 35.52% due to a change in preferred stock conversion prices.

Semiramis Paliou and affiliated entities increased their deemed beneficial ownership in OceanPal Inc. to 64.73% through convertible preferred stock.

Jose A. Fernandez, Co-Chief Operating Officer and Director of StepStone Group Inc., disclosed a 6.0% beneficial ownership stake and a 10b5-1 plan for future share sales.

Eleftherios Papatrifon, a director, increased his beneficial ownership in OceanPal Inc. to 21.36% of common stock through convertible preferred shares.

James Lim has filed an Amendment No. 5 to his Schedule 13D, reaffirming his 5.3% beneficial ownership in StepStone Group Inc. Class A Common Stock.

ValueAct Capital and its affiliates have reduced their beneficial ownership in Insight Enterprises, Inc. to 7.9% through a series of open market sales.

StepStone Group Inc. Director Thomas Keck has filed a Schedule 13D, disclosing beneficial ownership of 5.2% of the company's Class A Common Stock.

Key StepStone Group executives adjust their beneficial ownership reporting following the disbandment of the Class B Committee and termination of their joint filing agreement.

Electra Battery Materials Corp. and its convertible noteholders, including Highbridge Capital, have amended their Transaction Support Agreement, altering debt-for-equity exchange terms and canceling warrants.

Electra Battery Materials Corp. and its convertible noteholders amended their transaction support agreement, restructuring debt into equity and a new term loan, and canceling warrants.

Bioceres Group Limited and its affiliates have reduced their beneficial ownership in Bioceres Crop Solutions Corp. to 19.9% to fund financial obligations through repurchase and pledge agreements.

Affiliates of Jump Trading Group, including J Digital 6 Cayman Ltd., have acquired a 9.3% beneficial ownership stake in Forward Industries, Inc. through a $114 million private placement.