Latest Schedule 13D activist filings

Perceptive Advisors LLC and its affiliates have amended their Schedule 13D filing for LeonaBio, Inc., reporting beneficial ownership of 19.99% and announcing the appointment of Fred Callori to the company's board.

Gabelli-affiliated entities have reported the complete divestment of their holdings in Farmer Brothers Co. following its acquisition by Royal Cup Coffee and Tea.

Horizon Kinetics Asset Management LLC has increased its beneficial ownership of Texas Pacific Land Corp. to 14.7% and secured a board seat for its Co-CEO, Peter Doyle.

Inscobee Inc. and Apimeds Inc. file Amendment No. 4 to Schedule 13D, detailing a settlement agreement resolving disputes and granting an irrevocable proxy.

Alexandra Seros and Thomas Strickler, as trustees for various family trusts, have updated their beneficial ownership filings for Entravision Communications Corporation's Class A Common Stock.

Gyre Therapeutics, Inc. has finalized its acquisition of Cullgen Inc. in an all-stock transaction valued at approximately $300 million, with a shareholder meeting scheduled for June 10, 2026, to approve the conversion of Series B Preferred Stock.

Gyre Therapeutics has finalized its all-stock merger with Cullgen Inc., resulting in significant ownership changes and the issuance of new convertible preferred stock.

Starboard Value LP has reduced its beneficial ownership in Match Group to 4.6% following a series of open-market sales and derivative adjustments.

Reddit CEO Steve Huffman reports a change in voting power following the termination of the Tencent Voting Agreement.

Gyre Therapeutics has finalized its $300 million all-stock acquisition of Cullgen Inc., significantly expanding its corporate footprint.

Standard Investments LLC has increased its beneficial ownership in Ashland Inc. to 6.803% through open market purchases.

Sir Martin E. Franklin and associated entities reported recent sales of APi Group Corporation common stock for diversification and exchange fund purposes.

OrbiMed Advisors LLC and OrbiMed Capital GP VII LLC filed an amendment to their Schedule 13D reporting a change in beneficial ownership percentage in Q32 Bio Inc.

Imperial Petroleum Inc. filed an amendment to its Schedule 13D disclosing a 90.2% beneficial ownership stake in C3is Inc. following recent stock splits and warrant adjustments.

Imperial Petroleum Inc. filed an amendment to its Schedule 13D disclosing a 90.2% beneficial ownership stake in C3is Inc. following recent stock splits and warrant adjustments.

Gregory Bennett Barnes and Rimbal Pty Ltd. have disclosed an 11.5% beneficial ownership stake in Critical Metals Corp. following a strategic asset acquisition.

Venture capital firm 5AM Ventures has disclosed the sale of approximately 291,788 shares of Rallybio Corp common stock.

Star Equity Holdings has submitted a non-binding indication of interest to acquire GEE Group for $0.30 per share in a stock-for-stock transaction.

Fairfax Financial Holdings Limited and its affiliates have filed an amendment to their Schedule 13D, updating their beneficial ownership information for BlackBerry Limited shares.

Fairfax Financial Holdings Limited and its affiliates have filed an amendment to their Schedule 13D, updating their beneficial ownership information for BlackBerry Limited shares.

Cavendish Square Holding B.V. and WPP plc have filed an amendment to their Schedule 13D concerning their beneficial ownership of comScore, Inc. common stock.

Cavendish Square Holding B.V. and WPP plc have filed an amendment to their Schedule 13D concerning their beneficial ownership of comScore, Inc. common stock.

VisionWave Holdings Inc. has increased its stake in SaverOne 2014 Ltd. to 30.26% through open-market purchases, citing investment and strategic purposes.

VisionWave Holdings Inc. has increased its stake in SaverOne 2014 Ltd. to 30.26% through open-market purchases, citing investment and strategic purposes.

Suvretta Capital Management and its affiliates have acquired 300,000 pre-funded warrants in Veradermics, Inc., strengthening their 9.9% stake in the company.

Wolter Global Investment Limited has completed the sale of its entire 4,661,476 share stake in Scienjoy Holding Corp.

Longitude Capital Partners and associated entities disclosed a 11.3% beneficial ownership stake in Veradermics, Incorporated.

Hyperscale Data and associated entities have updated their beneficial ownership in YY Group Holding Ltd. to 32.2%.

Hyperscale Data and associated entities have updated their beneficial ownership in YY Group Holding Ltd. to 32.2%.

Rakuten Mobile, Inc. and Hiroshi Mikitani have completed their planned divestment of AST SpaceMobile, Inc. shares.