Latest Schedule 13D activist filings

William P. Stiritz has filed an Amendment No. 3 to Schedule 13D, disclosing a beneficial ownership of 9.3% in Post Holdings, Inc., including a recent purchase of 36,000 shares.

Daniel Gilbert and related entities' aggregate ownership in Rocket Companies, Inc. has been diluted to 57.12% following the issuance of shares for the Mr. Cooper Group Inc. acquisition and other issuances.

Barry Mann discloses a 6.1% ownership stake in Carver Bancorp, citing an undervalued stock price and plans to engage with management to enhance shareholder value.

Bloom Retirement Holdings Inc. and Reza Jahangiri have reduced their beneficial ownership in Finance of America Companies Inc. to 9.49% through open-market sales.

Zhang Dingjun has reported a 10.1% beneficial ownership in Stardust Power Inc. for investment purposes, detailing recent open market transactions.

Kevin Mills, CEO of Socket Mobile, Inc., transferred a $500,000 convertible note to Charlie Bass, Chairman of the Board, for investment management purposes.

Socket Mobile Chairman Charlie Bass increased his beneficial ownership to 41.3% by acquiring a $500,000 convertible note from Kevin Mills.

Bright Scholar Education Holdings Limited is set to go private through a merger with Excellence Education Investment Limited, backed by significant equity financing and rollover agreements.

Chiliz Group Ltd. has acquired a 10.9% stake in Processa Pharmaceuticals, Inc. for approximately $1.24 million, citing a strategic investment in biotech-fintech convergence.

Individual investor Mark Andrew Uram has increased his beneficial ownership in Crypto Co to 15.5% of common stock, acquiring 674 million shares with personal funds.

An activist investor group, Hoffmann Family of Companies, has proposed a $50 million capital injection into Lee Enterprises, expressing concerns over the company's financial strategy.

Nvni Group Ltd's Chief Operating Officer, Gustavo de Lima Usero, has disclosed the acquisition of 4,000 ordinary shares for investment purposes, representing a 0.04% stake in the company.

Nvni Group Ltd's CFO, Luiz Antonio Busnello, increased his beneficial ownership of ordinary shares to 5.48% through an acquisition by Labsyl Ltd.

Bright Scholar Education Holdings Limited is set to become a privately-held company following a merger agreement backed by a $14.7 million equity subscription.

Keros Therapeutics, Inc. has entered into a stock purchase agreement to repurchase 5,389,264 shares of its common stock from ADAR1 Capital Management and its affiliates for $95,659,436, as part of its previously announced $375 million Capital Return Program.

Global Graphene Group, Inc. increased its beneficial ownership in Solidion Technology Inc. to 54.5% after receiving 450,000 earn-out shares.

Kiara Capital Holding Limited has acquired a 14.4% stake in Prestige Wealth Inc., intending to exercise control and pivot the company's strategy towards a Tether Gold treasury.

Saba Capital Management, L.P. and its affiliates have filed an Amendment No. 17 to Schedule 13D, reporting a decrease in their beneficial ownership of Blackrock California Municipal Income Trust common shares to 8.59% through open market sales.

Antalpha Capital (HK) Limited has acquired a 49% beneficial ownership and 73.1% voting power in Prestige Wealth Inc. through a $43 million PIPE financing, intending to exercise control and pivot the company's strategy towards a Tether Gold treasury.

Saba Capital Management and its affiliates have reduced their beneficial ownership in BlackRock New York Municipal Income Trust to 4.39% through recent open market sales.

Blue Owl Capital Holdings LP increased its beneficial ownership in Katapult Holdings, Inc. to 38.58% due to changes in the issuer's stock price affecting conversion shares.

Fairmount Healthcare Fund II L.P. entered into a 60-day lock-up agreement for its Apogee Therapeutics shares following a public offering.

European Lithium Limited has reduced its beneficial ownership in Critical Metals Corp. to 49.3% by selling 3.85 million shares for $50.05 million.

Global Value Investment Corp. and its affiliates have reported increasing their beneficial ownership in CPS Technologies Corp. to 7.51% through recent common stock purchases.

Situational Awareness LP and its affiliates have increased their beneficial ownership in Core Scientific, Inc. to 9.4% of common stock, citing an attractive investment opportunity.

Dumont Global LP and its affiliates, holding a 6.55% stake in Hydrofarm Holdings Group, Inc., have secured a board seat for Christopher Yetter, signaling increased investor influence.

ESSA Pharma Inc. was acquired by Xeno Acquisition Corp. on October 9, 2025, leading to reporting persons ceasing beneficial ownership.

Enavate Sciences and Zebra Aggregator increased their beneficial ownership in Zenas BioPharma to 7.3% following participation in a $120 million private placement.

SR One Capital Management and affiliated funds increased their beneficial ownership in Zenas BioPharma, Inc. to 9.4% through a recent private placement.

Icahn Capital LP and its affiliates have entered into an Amended and Restated Cooperation Agreement with Southwest Gas Holdings, Inc., extending board representation and standstill provisions.