Latest Schedule 13D activist filings

OQB
Chauncey Lennis Thompson, through SFO IDF LLC, increased beneficial ownership in CalEthos, Inc. to 12.0% and extended maturity dates for $750,000 in promissory notes.
Huiying Memorial Foundation, affiliated with Dr. Wei-Wu He, increased its stake in CASI Pharmaceuticals by purchasing 230,000 ordinary shares.
NYSE
A significant Atlas Energy Solutions Inc. shareholder, Gregory M. Shepard, entered a prepaid variable share forward sale transaction for 850,000 common shares.
NASDAQ
Key Red Rock Resorts shareholders, the Fertitta family, have pledged over 12 million Class B shares and LLC units as collateral for new $300 million margin loan facilities.
NASDAQ
John C. Malone has reported a 97.4% beneficial ownership of Liberty Live Holdings' Series B Common Stock following the company's split-off from Liberty Media Corporation.
NASDAQ
An amendment to Schedule 13D reveals updated beneficial ownership percentages for key individuals and entities in Strive, Inc., including new acquisitions by Matthew Cole and LT&C LLC.
NASDAQ
John C. Malone has reported a 1.0% beneficial ownership in Liberty Live Holdings, Inc. following its split-off from Liberty Media, with intentions to acquire additional voting securities to exceed 50% control.
NYSE
Liberty Live Holdings, Inc. has become an independent, publicly traded company and a significant beneficial owner of Live Nation Entertainment, Inc. common stock following a split-off from Liberty Media Corporation.
NASDAQ
Liberty Live Holdings, Inc. has become an independent, publicly traded company, beneficially owning 29.7% of Live Nation Entertainment, Inc. common stock following a split-off from Liberty Media Corporation.
NASDAQ
John C. Malone has ceased to be a beneficial owner of more than five percent of Liberty Media Corporation's Series B Liberty Live Common Stock following a corporate split-off.
NASDAQ
John C. Malone no longer holds a beneficial ownership of over 5% in Liberty Media Corp's Series A Liberty Live Common Stock following the completion of the Liberty Live Group split-off.
NYSE
Liberty Media Corporation has completed the split-off of its Liberty Live Group, divesting all shares in Live Nation Entertainment, Inc. and ceasing to be a beneficial owner.
NASDAQ
Liberty Media Corporation has completed the split-off of its Liberty Live Group, divesting all shares in Live Nation Entertainment, Inc. and ceasing to be a beneficial owner.
NASDAQ
Mithaq Capital SPC, holding 30.5% of Nexxen International, has filed an amended Schedule 13D, revealing its proxy vote against the re-election of six directors and executive compensation at the upcoming Annual General Meeting.
NASDAQ
Atlas Venture funds have reduced their beneficial ownership in Disc Medicine, Inc. to below 5% primarily due to dilution from new share issuances, alongside recent stock sales.
NASDAQ
Broadwood Partners has increased its appraisal demands for STAAR Surgical shares, opposing the proposed merger and compensation plans.
An investor group led by Clint D. Coghill has reduced its beneficial ownership in Inspirato Inc. to below 5% after Stoney Lonesome HF LP sold 300,000 shares.
NYSE
Corvex Management LP and Keith Meister have increased their beneficial ownership in Vestis Corporation to approximately 15% through recent open market purchases.
NASDAQ
An insider group, including Squadron Capital LLC and Jennifer N. Pritzker, has reduced its beneficial ownership in Alphatec Holdings, Inc. through recent open market sales.
AMEX
Henry Posner III has increased his beneficial ownership in Power REIT to 9.6% of the common stock through recent open market purchases.
NYSE
Jonathan M. Rothberg, founder of Butterfly Network, Inc., and related entities sold over 2.5 million shares of Class A common stock for approximately $8 million in December 2025 as part of an estate planning 10b5-1 plan.
NYSE
Saba Capital Management, holding over 10% of BNY Mellon Strategic Municipal Bond Fund, urges a merger into an open-end structure to address persistent NAV discounts and high expense ratios.
NYSE
Activist investor Saba Capital Management, holding 7.27% of BNY Mellon Municipal Bond Infrastructure Fund, is pushing for a merger into an open-end fund and plans to nominate trustee candidates.
NYSE
Activist investor Saba Capital Management urges BNY Mellon Strategic Municipals to merge into an open-end fund, citing persistent NAV discounts and high expense ratios.
NASDAQ
Warner Bros. Discovery and Dplay Entertainment significantly increased their beneficial ownership in Anghami Inc to 71.3% following the conversion of $55 million in notes and accrued interest.
NASDAQ
Warner Bros. Discovery and Dplay Entertainment increased their beneficial ownership in Anghami Inc. to 71.3% following the conversion of $55 million in notes and accrued interest into ordinary shares.
NASDAQ
Sylebra Capital and its affiliates have reduced their beneficial ownership in Impinj Inc. to 3.76% of common stock through a disposal of securities as part of ordinary portfolio management.
NASDAQ
The Column Group's aggregate ownership in Tenaya Therapeutics has decreased by over 1% due to the issuer's recent sales of additional common stock.
NASDAQ
My Size, Inc. CEO Ronen Luzon and CPO Billy Pardo increased their combined beneficial ownership to 8.02% through restricted stock grants and open market purchases.
NYSE
An amendment to Schedule 13D details changes in beneficial ownership for Chad Richison and Ernest Group, including new RSU awards and a 10b5-1 sales plan for up to 480,000 shares.