Latest Schedule 13D activist filings

RA Capital Management has increased its beneficial ownership in Artiva Biotherapeutics to 36.6% following a series of open market purchases.

Juniper Investment Company and its affiliates have reduced their beneficial ownership in Lincoln Educational Services Corporation following a series of open-market share sales.

OrbiMed Advisors filed an amended Schedule 13D reporting its beneficial ownership in Shattuck Labs following a recent public offering.

Engine Capital and its affiliates have disclosed a series of share sales in Civeo Corp, reducing their aggregate beneficial ownership to 6.3%.

Dr. Joshua S. Boger reports a 20% beneficial ownership stake in CervoMed Inc. following a recent private placement.

Sean Goodrich and Goodrich ILMJS LLC have filed a Schedule 13D reporting beneficial ownership of 12.65% of Boost Run Inc. following the receipt of earnout shares.

B. Luke Weil and Willow Lane Sponsor, LLC disclose their beneficial ownership and recent share transfers in Boost Run Inc. following a business combination.

Albion River Management LLC and associated entities have reduced their beneficial ownership in National Presto Industries to 4.01%.

Holders of Power REIT's Series A Preferred Stock have issued a second demand for a special meeting to elect two trustees, citing unmet dividend obligations and a lack of response from the company.

ValueAct Capital's affiliated funds have reduced their beneficial ownership of Liberty Live Holdings, Inc. common stock to below the 5% threshold, terminating their Schedule 13D filing obligation.

Baker Bros. Advisors LP and affiliated entities have amended their Schedule 13D filing, reporting a combined beneficial ownership of approximately 8.0% of BeOne Medicines Ltd. ordinary shares following a board appointment.

Richard N. Barton has increased his beneficial ownership of Zillow Group's Class A Common Stock to 9.2% following recent share repurchases by the company.

GreenWood Investors LLC has increased its beneficial ownership in Jack in the Box Inc. to 7.1%, acquiring an additional 1,352,490 shares.

Al Shams Investments, Braemar's largest shareholder, criticizes the board's authorization of a hotel property sale that triggers a $480 million fee to a company controlled by Chair Monty Bennett, vowing legal action and director accountability.

Magic Empire Global Limited's significant shareholders, Chan Wai Ho and Chen Sze Hon Johnson, have sold a combined 52.1% of the company's shares to a group of five purchasers.

Chen Sze Hon Johnson has filed an amendment to Schedule 13D detailing the sale of 640,750 Class A and 400,000 Class B ordinary shares of Magic Empire Global Ltd.

Xlife Sciences AG has filed a Schedule 13D, reporting beneficial ownership of 23,029,967 ordinary shares, representing 16.3% of Veraxa Biotech Holding AG, acquired through a business combination.

SIT Investment Associates Inc. and SIT Fixed Income Advisors II LLC have amended their Schedule 13D filing, reporting a combined beneficial ownership of 10,641,285 shares, representing 32.7% of the outstanding common stock of MFS Government Markets Income Trust.

Gilbert Edgar Schoeni has reported beneficial ownership of 22,539,749 ordinary shares, representing 15.9% of Veraxa Biotech Holding AG, following a business combination.

Fresenius Medical Care Holdings, Inc. and Fresenius Medical Care AG have filed an amendment to their Schedule 13D, updating their beneficial ownership of Humacyte, Inc. common stock to 6.8%.

Visium Technologies, Inc. reports that former COO and CTO Cheddi Rai Bharrat has resigned and disclaims any beneficial ownership of the company's common stock following the termination of a letter of intent with ConnexUS AI.

Neo-Concept International Group Holdings Ltd reports a significant shift in beneficial ownership as key entities divest their holdings.

Haveli Investments and Brian N. Sheth disclose a significant beneficial ownership position in Blend Labs, Inc., totaling over 64 million shares.

Stephanie Foglia and the 2025 Irrevocable GRAT of Aspasia F. Vahaviolos report a combined 18.60% beneficial ownership in Mistras Group, Inc.

Eric Sprott and affiliated entities have increased their beneficial ownership in Americas Gold & Silver Corp to 14.33% following a $44.3 million share acquisition.

General Atlantic filed a Schedule 13D reporting a 15% beneficial ownership stake in Liftoff Mobile, Inc. following the company's IPO.

Viking Global Investors has entered into a voting agreement to support Standard BioTools' merger with Treeline Biosciences.

Sylebra Capital reports an 18.84% stake in PureCycle Technologies and details participation in a debt repurchase agreement.

Lotus Technology reports a redistribution of shares following the settlement of put options involving Lotus Group International Limited.

Co-founders Siyu Huang and Yingchao Yu disclose a 19.1% beneficial ownership stake in Factorial Energy Inc. following a business combination.