Latest Schedule 13D activist filings

GTCR Investment XI LLC and its affiliates now beneficially own 36.2% of Vivid Seats Inc.'s Class A Common Stock following a corporate simplification and distribution from Hoya Topco.

RA Capital Management and its affiliates report a dilution of their beneficial ownership in Sionna Therapeutics, Inc. to 22.6% of common stock outstanding.

Empire Petroleum Corp's President and CEO, Michael R. Morrisett, has reduced his beneficial ownership in the company to 2.49% after a private sale of shares and options on November 5, 2025.

RA Capital Management and its affiliates report a dilution of their beneficial ownership in LENZ THERAPEUTICS, INC. to 13.6% of common stock outstanding.

Key insiders, including Family Trading Inc. and Evangelos J. Pistiolis, report a decrease in their percentage beneficial ownership of Rubico Inc. common stock to 8.57% due to an increase in outstanding shares.

Brookfield Business Corporation and Brookfield Business Partners LP plan to merge into a single corporate entity by Q1 2026.

Brookfield Business Corporation and Brookfield Business Partners LP plan to merge into a single corporate entity by Q1 2026.

Brookfield Business Partners L.P. and Brookfield Business Corporation announce a corporate arrangement to merge into a single publicly traded entity.

Brookfield Business Partners L.P. and Brookfield Business Corporation plan to merge into a single publicly traded entity, simplifying their corporate structure.

MultiSensor AI Holdings, Inc. amended a securities purchase agreement to facilitate a $14.5 million offering of shares and pre-funded warrants, diluting existing investors' immediate participation rights.

A group of investment entities led by Mario Gabelli has increased its beneficial ownership in Park Ohio Holdings Corp. to 13.33% of outstanding common stock.

A group of investment entities and individuals associated with Mario Gabelli has increased its beneficial ownership in Monro, Inc. to 6.04% of outstanding common stock.

Vladimir and Angelica Galkin have increased their beneficial ownership in Newegg Commerce, Inc. to 19.3% through recent open market purchases.

Lakeview Opportunity Fund and its affiliates have disclosed a 7.9% beneficial ownership stake in Quipt Home Medical Corp., citing an attractive investment opportunity.

Tianci International Inc. CEO Shufang Gao and RQS Capital Limited report beneficial ownership of 57.48% of the company's common stock following preferred stock conversions.

Golden Entertainment, Inc. will undergo a complex strategic transaction involving a cash dividend and a merger with VICI Properties, following an OpCo sale to Argento, LLC.

A group of significant shareholders, including George Walter Loewenbaum, has withdrawn its request to nominate Nachum Homi Shamir to CollPlant Biotechnologies' Board of Directors.

Global Value Investment Corp. reiterates its call for significant governance changes at Hooker Furnishings Corporation, citing severe financial underperformance and strategic missteps.

Lauder family trusts completed a significant sale of 11.3 million Class A Common Stock shares of The Estee Lauder Companies Inc. to cover estate tax obligations and trust administration expenses.

James Fu Bin Lu has resigned from Grindr Inc.'s board of directors, effective November 5, 2025, while retaining a 12.8% beneficial ownership stake.

State Farm Mutual Automobile Insurance Company has updated its beneficial ownership in Hagerty, Inc., now holding 53.5% of Class A Common Stock, primarily due to an increase in outstanding shares.

Access Industries and affiliated entities filed an Amendment No. 1 to Schedule 13D, disclosing beneficial ownership of 6.52% of Tigo Energy, Inc.'s common stock.

KTR Management Company, LLC, and its President John Tuma, reported the conversion and subsequent sale of over 2.1 million shares of Solaris Energy Infrastructure, Inc. Class A common stock for approximately $106 million.

MetLife's Board of Directors has reported beneficial ownership of 106.5 million common shares, representing 16.17% of the company's outstanding stock, held through the MetLife Policyholder Trust.

Strategic Shipping Inc. and its affiliates have increased their beneficial ownership in Pangaea Logistics Solutions Ltd. to 29% through recent share acquisitions totaling $2.2 million.

Northern Right Capital Management and affiliates, led by Matthew A. Drapkin, updated their beneficial ownership in Great Elm Capital Corp. to 6.2% of outstanding common stock.

Yifei Hou and affiliated entities have significantly increased their beneficial ownership in XCHG Limited to 25.7% of Class A ordinary shares, triggering a Schedule 13D filing.

A group led by XCHG Limited's Chairman and CTO, Rui Ding, has increased its beneficial ownership to 24.3% of Class A ordinary shares, signaling active investment intent.

ACRES Share Holdings, LLC and affiliates report an increased beneficial ownership of ACRES Commercial Realty Corp. common stock to 13.26% due to a reduced total number of shares outstanding.

RA Capital Management, L.P. and its affiliates updated their beneficial ownership in Werewolf Therapeutics, Inc. to 13.8% of common stock, reflecting an increase in the issuer's outstanding shares and a director's departure.