Latest Schedule 13D activist filings

Mitsui Sumitomo Insurance Co., Ltd. increased its beneficial ownership in W. R. Berkley Corporation to 15.7% and designated an executive for the board.

Hangdu Technology Ltd. has reduced its beneficial ownership in Jingbo Technology, Inc. to 5.28% following a share exchange for Xinghe Technology Limited and subsequent private transfers.

Sofinnova Venture Partners X and affiliated entities have reduced their beneficial ownership in Vera Therapeutics, Inc. to below 5% due to dilution and open market sales.

Sofinnova Venture Partners IX and affiliates updated their beneficial ownership in NextCure, Inc. to 7.1% of common stock, reflecting dilution from recent stock sales.

Sofinnova Venture Partners X and its affiliates now hold less than 5% of Jade Biosciences' common stock following a merger and reverse stock split.

JANA Partners Management, LP has reduced its beneficial ownership in Mercury Systems Inc. to approximately 6.9% through recent open market sales.

Carlos Slim Helu and family entities have reduced their beneficial ownership in PBF Energy Inc. to 22.6% through recent share sales.

OrbiMed Advisors and OrbiMed Capital GP V LLC have ceased to be beneficial owners of more than 5% of PMV Pharmaceuticals, Inc. common stock after significant share sales.

Two Seas Capital LP and its affiliates updated their beneficial ownership in Core Scientific, Inc. to 5.9%, detailing recent stock and options transactions.

Cosmic Vision Innovations Ltd has acquired 3.5 million Class A ordinary shares of Mega Matrix Inc. for $3.5 million, representing a 5.66% stake.

JAB Holdings B.V. has extended its long cash-settled total return equity swap related to Krispy Kreme, Inc. shares until March 1, 2028.

Activist investor Voss Capital, holding a 13.2% stake in PAR Technology, calls for an immediate strategic review to maximize shareholder value, citing undervaluation.

Activist investor Voss Capital, holding 19.3% of Xponential Fitness, calls for an immediate exploration of strategic alternatives, including a company sale, citing undervaluation.

North Run Strategic Opportunities Fund I, LP has significantly reduced its beneficial ownership in LightPath Technologies Inc. through a series of open market sales.

KKR Phoenix Aggregator L.P. completed a secondary offering of BrightSpring Health Services shares, reducing its stake but remaining a significant holder.

Sujal Patel, a key insider, increased his beneficial ownership in Nautilus Biotechnology, Inc. to 16.3% through recent option grants and open market purchases.

Parag Mallick, a key insider, has increased his beneficial ownership in Nautilus Biotechnology, Inc. to 17.6% through a recent option grant.

Intercontinental Exchange's beneficial ownership in Bakkt, Inc. has decreased to 27.0% due to dilution from Bakkt's recent issuance of additional Class A Common Stock.

Intercontinental Exchange's beneficial ownership in Bakkt, Inc. has decreased to 27.0% due to dilution from Bakkt's recent issuance of additional Class A Common Stock.

Hess Midstream LP's operating partnership repurchased 455,811 Opco Class B Units from Hess Investments North Dakota LLC for approximately $18 million.

Madryn Asset Management and its affiliates updated their Schedule 13D filing for Neuronetics, Inc., disclosing a 30.3% beneficial ownership and new terms for registration rights and voting agreements.

Dr. Ray Prudo and affiliated entities have increased their beneficial ownership in Akari Therapeutics Plc to 8.9% following recent private placement transactions.

Glencore International AG sold over 6.3 million shares of Century Aluminum, reducing its beneficial ownership to 29.99% while reaffirming confidence in the company's management and outlook.

Samir R. Patel and PranaBio Investments LLC have increased their beneficial ownership in Akari Therapeutics Plc to 10.4% following a private placement.

Diamondback Energy completed a secondary offering of Viper Energy Class A Common Stock, selling over 12 million shares at $45.69 each.

Proem SPAC Partners I LLC and Imran Khan have filed a Schedule 13D, disclosing a 26.1% beneficial ownership in Proem Acquisition Corp. I following its recent IPO.

Saba Capital Management, L.P. and affiliates have acquired a 5.13% stake in The Korea Fund, Inc., citing undervaluation and potential for strategic changes.

Silver Point Capital has reduced its beneficial ownership in Gulfport Energy Corporation to 14.1% through a sale and a company repurchase.

Reservoir Media, Inc. has received a non-binding proposal from Wesbild, Inc. and Richmond Hill Investment Co., LP to acquire all outstanding shares not already owned by them for $10.50 per share in cash.

A group of investors, including Richmond Hill Investment Co. and Wesbild, Inc., propose to acquire all outstanding shares of Reservoir Media, Inc. not already owned by them for $10.50 per share in cash.