Latest Schedule 13D activist filings

DEFJ LLC has submitted a conversion notice for Series B Preferred Stock in TransCode Therapeutics, Inc., contingent on stockholder approval of key proposals.

Kufu Company Holdings, Inc. files Amendment No. 3 to Schedule 13D, reporting no longer beneficially owning any common shares of Medirom Healthcare Technologies Inc. following the full redemption of previously held bonds.

Poplar Point Capital Management LLC and affiliated entities have disclosed a beneficial ownership of 15.22% in Transact Technologies Inc., signaling an active investment strategy.

Exicure HiTron Inc. amended its Schedule 13D filing to report the reacquisition of 623,277 shares of Exicure, Inc. common stock, increasing its beneficial ownership to approximately 34.9%.

Columbus Circle 3 Sponsor Corporation LLC and affiliated entities report beneficial ownership of 7,931,667 Class A Ordinary Shares, representing 25.3% of the outstanding shares, following the company's IPO.

William H. Bartels has filed an amendment to Schedule 13D, reporting a beneficial ownership of less than 5% of SPAR Group, Inc. common stock following a sale of shares on July 1, 2026.

Gloo Holdings, Inc. has entered into multiple put agreements with various holders of its Series A Preferred Membership Units, outlining terms for potential future unit repurchases.

Baker Bros. Advisors LP and its affiliates have filed an amendment to their Schedule 13D, reporting a reduction in their beneficial ownership of Celcuity Inc. common stock to 9.99% and intending to transition to Schedule 13G filings.

Distribution Solutions Group, Inc. has entered into a merger agreement where all outstanding shares will be acquired for $35.00 cash per share.

XOMA Royalty Corp. announced the completion of its merger with Ligand Pharmaceuticals Incorporated, resulting in the cessation of beneficial ownership for Biotechnology Value Fund L.P. and its affiliates.

Ryan Steelberg receives significant RSU and PSU awards from Veritone, Inc., impacting his beneficial ownership.

Angel Oak Mortgage REIT, Inc. has filed an amendment to its Schedule 13D, detailing share transactions and beneficial ownership.

Chemomab Therapeutics Ltd. shareholders, including HBM Healthcare Investments, have entered into a support agreement to vote in favor of the proposed merger with Scipher Medicine Corporation.

Ocho Investments LLC and Andris Upitis have amended their Schedule 13D filing regarding Digimarc Corporation, disclosing ongoing communications with the board and management about various strategic and governance matters.

Trafalgar Asset Management, LLC, controlled by Porfirio Sanchez Talavera, has acquired a controlling interest in Greater Cannabis Company, Inc., leading to significant management changes.

Kenneth R. Lehman has acquired a significant 42.4% stake in BayFirst Financial Corp. through an exchange of preferred stock, with intentions to join the board and influence company strategy.

Karpus Management, Inc. has filed a Schedule 13D revealing beneficial ownership of 3,609,635 common shares, representing 12.56% of the outstanding shares in AllianceBernstein National Municipal Income Fund Inc.

Celadon Partners SPV 35 Limited is set to acquire Senti Biosciences' Gene-Circuit pipeline, including SENTI-202, through a merger agreement, with Senti Biosciences Holdings, Inc. remaining a public entity.

ADW Capital Partners has sent an open letter to Compass Diversified Holdings' board, advocating for an immediate strategic review and orderly liquidation to maximize shareholder value.

Patriot Financial Partners sells 1,500,000 shares of USCB Financial Holdings Class A common stock to Inversiones Atlantida, SA for $27.75 million.

AIOS Tech Inc. has issued 5 million Class B shares to Swift Prime Limited, controlled by Guo Li, granting him approximately 99.4% of the voting power and 60.6% of the total shares.

Tether Global Investments Fund and Tether International disclose a combined 13.5% stake in Metalla Royalty & Streaming Ltd. following recent open market purchases.

A group of investment entities and their manager have disclosed a significant beneficial ownership stake in Vivos Therapeutics, Inc., totaling 19.9% as of July 15, 2026.

Repay Holdings Corporation has filed an amendment to its Schedule 13D, detailing changes in beneficial ownership and a new cooperation agreement.

Warren Buffett's Schedule 13D filing details his beneficial ownership of Berkshire Hathaway Class A and Class B common stock, including recent conversions and donations.

Mitsubishi UFJ Financial Group (MUFG) has notified Morgan Stanley of its intent to resume share sales under a previously suspended plan, with sales set to recommence on July 30, 2026.

Mitsubishi UFJ Financial Group (MUFG) has notified Morgan Stanley of its intent to resume share sales under a previously suspended plan, with sales set to recommence on July 30, 2026.

Globus Maritime Ltd's Schedule 13D filing details significant share purchases by reporting persons over the past 60 days, maintaining a substantial ownership stake.

American Industrial Partners (AIP) entities have disclosed a beneficial ownership stake of over 5% in Rayonier Advanced Materials Inc. as the company explores strategic alternatives.

Ryan Saadi, CEO of Tevogen Bio Holdings Inc., reports increased beneficial ownership following a restricted stock grant.