Latest Schedule 13D activist filings

OQX
BT DE Investments, a British American Tobacco subsidiary, significantly increases its stake in Charlotte's Web Holdings to 40.8% through a private placement and debenture conversion, gaining enhanced governance rights.
OQB
Micah Payne Anderson, CEO of Leef Brands Inc., has increased his beneficial ownership in the company to 12.2% through a series of acquisitions and conversions.
NYSE
An amendment to Schedule 13D reveals James D. Dondero and affiliated entities have increased their beneficial ownership in Highland Opportunities & Income Fund through recent open market purchases.
EW Healthcare Partners and its affiliates have filed an Amendment No. 18 to Schedule 13D, reporting that they no longer beneficially own any shares of Venus Concept, Inc. common stock.
NYSE
Mudrick Capital Management and its affiliates now beneficially own 58.4% of Vertical Aerospace Ltd. after a capital raise and propose new convertible note agreements.
NASDAQ
JANA Partners Management, LP has disclosed a 5.1% beneficial ownership stake in Alkami Technology, Inc., citing the shares as undervalued.
NASDAQ
RA Capital Management, L.P. and its affiliates filed an Amendment No. 13 to their Schedule 13D, reporting a beneficial ownership of 19.9% in VOR Biopharma Inc. due to an increase in outstanding shares.
NYSE
Rio Tinto plc and Rio Tinto Canada Inc. reported a passive decrease in their beneficial ownership of Western Copper and Gold Corporation to 8.42% due to an increase in the issuer's outstanding common shares.
AMEX
Rio Tinto plc and Rio Tinto Canada Inc. reported a passive decrease in their beneficial ownership of Western Copper and Gold Corporation to 8.42% due to an increase in the issuer's outstanding common shares.
OTC.Pink
Digital Investment Strategy LLC has acquired Slam Sponsor, LLC, gaining beneficial ownership of 99.5% of Slam Corp.'s Class A Ordinary Shares.
NYSE
Mat Ishbia and SFS Holding Corp. report sales of UWM Holdings securities under a pre-arranged 10b5-1 trading plan.
NASDAQ
Tang Capital Management and related entities have agreed to tender their 9.0% stake in Kezar Life Sciences in support of the merger with Aurinia Pharmaceuticals, rescinding a prior acquisition proposal.
NASDAQ
ARCH Venture Funds and affiliated entities continue to hold a substantial beneficial ownership stake in Neumora Therapeutics, Inc., as detailed in a recent Schedule 13D amendment.
OQB
Chauncey Lennis Thompson amended his Schedule 13D filing to correct previously omitted beneficial ownership, now reporting a 51.6% stake in CalEthos, Inc.
OQB
Michael Campbell has transitioned from CEO to VP of Corporate Development at CalEthos, Inc., while retaining a significant 43.6% beneficial ownership stake.
NASDAQ
Kwai Hoi MA and controlled entities increased their beneficial ownership in Real Messenger Corporation to 65.86% through share conversions and a new subscription agreement.
AMEX
Reporting persons' beneficial ownership in TOP SHIPS INC. decreased to 62.08% following the issuance of 804,322 common shares through an At-The-Market offering.
NASDAQ
Fairmount Funds Management LLC and Fairmount Healthcare Fund II GP LLC reported a significant reduction in their beneficial ownership of Cogent Biosciences, Inc. common stock following a conversion and block sale.
NASDAQ
Yorktown Energy Partners XI, L.P. and its affiliates have reduced their beneficial ownership in Ramaco Resources, Inc. to 5.32% after selling 806,929 shares in March 2026.
NYSE
Elliott Investment Management has increased its beneficial ownership in Triple Flag Precious Metals to 64.5% and secured $300 million in margin loans against a portion of its shares.
NYSE
Equinox Capital Solutions Limited, the sponsor of GalaxyEdge Acquisition Corp, has reported a beneficial ownership of 27.4% of the company's ordinary shares following recent acquisitions and the full exercise of the underwriters' over-allotment option.
AMEX
Bradley Radoff and the Radoff Family Foundation have increased their beneficial ownership in Barnwell Industries Inc. to 12.8% due to exercisable warrants.
NASDAQ
John C. Malone, Chairman Emeritus of Liberty Media, increased his exposure to Series A Liberty Formula One Common Stock by writing put options on 250,000 shares.
NASDAQ
New Enterprise Associates and affiliated entities report a decrease in their beneficial ownership of Senti Biosciences, Inc. common stock to 12.1% due to an increase in outstanding shares.
OQB
A group of investors led by CRC Founders Fund, LP, holding 5.8% of Track Group, Inc., supports a proposal to double authorized shares to 60 million to facilitate capital raising and debt restructuring.
NASDAQ
A. Lorne Weil and related trusts have increased their beneficial ownership in Inspired Entertainment, Inc. through recent share purchases and equity award settlements.
NYSE
Brookfield Corporation and its paired entity, Brookfield Wealth Solutions Ltd., are transferring up to $1 billion in Class A subordinate voting shares of Brookfield Business Corp between subsidiaries.
Brookfield Corporation and BAM Partners Trust announced an internal transfer of up to $1 billion in Class A subordinate voting shares of Brookfield Business Corp, representing 19.5% of outstanding shares.
NASDAQ
Balan Nair, CEO of Liberty Latin America, amended his beneficial ownership, exchanging Class A for Class C shares for tax planning and vesting in performance-based units.
NASDAQ
Steven Sugarman and his trust increased their beneficial ownership in Patriot National Bancorp to 9.5% through stock conversions and RSU vesting.