Latest Schedule 13D activist filings

Research Alliance Holdings IV LLC and Matthew Hammond have jointly filed a Schedule 13D, reporting beneficial ownership of 17.0% of Research Alliance Corporation IV's Class A Ordinary Shares following the company's IPO and private placement.
Daniel Reis-Faria, CEO of ZeroStack Corp., has increased his beneficial ownership to 37.5% through the exercise of pre-funded warrants and a significant stock option grant.
Dany Vaiman, CFO of ZeroStack Corp., reports beneficial ownership of 513,249 shares (2.9%) and details a shareholder-approved stock option grant tied to VWAP performance.
Michael Heinrich and Zero Gravity Labs Inc. report beneficial ownership of 30.2% and 26.4% of ZeroStack Corp. common shares respectively, totaling over 56% combined.
NASDAQ
RA Capital Management, L.P. and its affiliates have amended their Schedule 13D filing to report changes in beneficial ownership of VOR BIOPHARMA INC. common stock.
NYSE
KORE Group Holdings, Inc. announces the consummation of its merger, with shares to be delisted from the NYSE and converted to cash.
NASDAQ
Tempus AI has entered into a Merger Agreement to acquire all outstanding common stock of Personalis, Inc., with consideration to be paid in Tempus Class A Common Stock or a mix of cash and stock.
NASDAQ
Tempus AI has entered into a Merger Agreement to acquire all outstanding common stock of Personalis, Inc., with consideration to be paid in Tempus Class A Common Stock or a mix of cash and stock.
NYSE
KORE Group Holdings, Inc. has completed its merger, with common stock shareholders receiving $9.25 per share in cash, and the stock has been delisted from the NYSE.
NASDAQ
Goldenwise Capital Group, a significant Phunware shareholder, has publicly called for a complete overhaul of the company's corporate governance, citing poor performance and lack of accountability.
NYSE
BNDES and BNDESPAR have reduced their beneficial ownership of Petrobras preferred shares to 15.90% following open market sales.
NASDAQ
OrbiMed Advisors LLC and affiliated entities have filed an amendment to their Schedule 13D, reporting a decrease in their beneficial ownership of Q32 Bio Inc. common stock due to an increase in outstanding shares.
NASDAQ
Nano Dimension and Murchinson Ltd. have reached a settlement agreement, leading to the cancellation of the July 31, 2026 Extraordinary General Meeting and a reconstitution of the Company's Board of Directors.
NASDAQ
Peter M. Hecht amends Schedule 13D, reporting a beneficial ownership of 910,240 shares of Cyclerion Therapeutics' common stock, representing 19.4% of the class.
NASDAQ
MD Ehsan Khan has filed an amendment to report the sale of all previously held shares in Boxlight Corp, indicating no further plans with the issuer.
NASDAQ
Atlas Capital Resources entities have increased their beneficial ownership in Vulcan Infrastructure and Power Inc. to 23.1% through a private placement and new investor rights.
Fairmount Funds Management LLC and its affiliates have increased their beneficial ownership in Crescent Biopharma, Inc. to 16.52% through recent share and warrant purchases.
Lingtao Kong amends Schedule 13D, reporting beneficial ownership of 114,834 Ridgetech Inc. ordinary shares, representing 3.2% of the class.
NYSE
ReposiTrak, Inc. has disclosed a significant increase in its beneficial ownership of SPAR Group, Inc. common stock, now holding 31.4% of the outstanding shares.
NASDAQ
ReposiTrak, Inc. has disclosed a significant increase in its beneficial ownership of SPAR Group, Inc. common stock, now holding 31.4% of the outstanding shares.
NASDAQ
Velan Capital Investment Management LP and affiliated entities have increased their beneficial ownership in Jasper Therapeutics, Inc. to 9.88% following the company's acquisition of Kira Pharmaceuticals.
NASDAQ
An amendment to a Schedule 13D filing reveals updated beneficial ownership details for Lululemon Athletica Inc. by Dennis J. Wilson and associated entities.
AMEX
Gabelli-affiliated entities have reported an increased beneficial ownership of LGL Group Inc. common stock to 20.92% following the completion of a rights offering.
NASDAQ
L.I.A. Pure Capital Ltd. and affiliated entities have increased their beneficial ownership in Evogene Ltd. to 16.81% through open market purchases of American Depositary Shares.
NYSE
Franklin Resources, Inc. and its subsidiary HoldCo have amended their Schedule 13D filing to report beneficial ownership of 75,000 Class I Shares in Franklin BSP Lending Fund.
NASDAQ
Lee Seng Chi reports beneficial ownership of 6.24% in Founder Group Ltd's Class A shares following a share grant and reverse stock split.
NASDAQ
Thien Chiet Chai and Reservoir Link Energy Bhd report increased beneficial ownership in Founder Group Ltd Class A Shares, including convertible Class B Shares.
NYSE
Achillefs Konstantakopoulos and Costamare Shipping Services Ltd. have jointly filed a Schedule 13D, revealing a combined beneficial ownership of 20.5% in Costamare Bulkers Holdings Limited.
LAW Man San Vincent, Delite Limited, and Good Luck Capital Limited have jointly filed an amendment to their Schedule 13D, reporting changes in beneficial ownership of SOLAI Ltd securities.
NASDAQ
Docebo Inc. has approved a substantial issuer bid to repurchase up to US$70 million of its common shares at US$20.40 per share, with major shareholder Intercap Inc. intending to participate.