US Activist Hedge Fund Institutional SEC 13D 13G — September 23, 2026

23-09-2026

Lioness Ltd, a Hong Kong investment company controlled by Singapore citizen Lim Kien Leong, acquired all 500,000 Class B ordinary shares of Cheer Holding, Inc. from Chairman/CEO Bing Zhang for just US$500.00 in a private transaction on September 22, 2026. Although the purchase price is nominal, the Class B shares carry 100 votes each, giving Lioness and Mr. Lim approximately 96.44% of the company's total voting power, effectively securing voting control. The filing notes that the Seller, Bing Zhang, continues to serve as Chairman, CEO, and interim CFO, and no changes to the board or management are contemplated under the purchase agreement.

• · The Class B shares are not convertible into Class A shares and may be redeemed by the issuer at par value at the option of the holder.
• · The purchase price of US$500 was funded from Lioness Ltd's working capital; no borrowed funds were used.
• · The transaction closed on September 16, 2026, with the shares transferred on September 22, 2026.
• · The Reporting Persons have no current specific plans for changes to the board, management, or business strategy, but reserve the right to review and engage on such matters.
• · Neither Lioness Ltd nor Mr. Lim has had any criminal convictions or relevant civil judgments in the past five years.

23-09-2026

On September 21, 2026, PJ Millennium Limited Partnership and affiliated purchasers completed the acquisition of all 650,424,192 Sale Shares in VNET Group, Inc., including 455,296,932 Seller A Shares, for an aggregate consideration of US$659,527,963. The purchasers now beneficially own 650,424,192 Class A Ordinary Shares, representing 38.1% of the outstanding Ordinary Shares, with voting rights subject to a Voting and Consortium Agreement. The transaction was funded through capital contributions and bank borrowings, and the voting term commenced on the closing date.

• · The Seller A Shares Closing occurred on September 21, 2026, completing the acquisition of all 650,424,192 Sale Shares.
• · The Voting and Consortium Agreement became effective on September 21, 2026, with the Voting Term commencing on that date.
• · The Voting Term will expire on the second anniversary of the Seller A Shares Closing, subject to extension by mutual agreement.
• · The purchasers are required to vote 50% of the Relevant Shares in accordance with written voting instructions from the Founder Parties during the Voting Term.
• · The Issuer had 1,708,970,760 Ordinary Shares issued and outstanding as of June 30, 2026, including 1,678,189,037 Class A, 30,721,723 Class B, and 60,000 Class C Ordinary Shares.
• · No Class D Ordinary Shares were issued and outstanding.
• · The Reporting Persons do not beneficially own any other Ordinary Shares or have the right to acquire any Class A Ordinary Shares beyond those disclosed.
• · No transactions in the Issuer's ordinary shares were effected by the Reporting Persons during the past 60 days, except as disclosed.
• · The funds for the acquisition were provided by PJ Millennium Limited Partnership through capital contributions and bank borrowings.

23-09-2026

Lantheus Holdings, Inc. and its subsidiaries filed Amendment No. 3 to Schedule 13D, reporting beneficial ownership of 8,739,011 shares of Perspective Therapeutics, Inc. common stock, representing 7.7% of the outstanding shares as of September 22, 2026. Between September 4 and September 22, 2026, Lantheus Alpha Therapy sold a total of 2,701,502 shares on the open market at average prices ranging from $2.85 to $3.1472 per share, reducing its stake from a previously higher level. The filing reflects a significant reduction in Lantheus's position, indicating a potential shift in strategic alignment or portfolio rebalancing.

• · The filing is Amendment No. 3 to Schedule 13D, originally filed on February 1, 2024.
• · Lantheus Alpha sold shares on seven separate trading days in September 2026, with the largest single-day sale of 1,396,987 shares on September 22, 2026.
• · The average sale price declined from $3.1472 on Sep 4 to $2.8976 on Sep 22, indicating a downward trend in the stock price during the selling period.
• · The beneficial ownership percentage is based on 114,151,663 shares outstanding as of August 5, 2026.
• · The shares were adjusted for a 1-for-10 reverse stock split effective June 14, 2024.

23-09-2026

Serhii Kupriienko, former CEO and current board member of Swarmer, Inc (SWMR), filed a Schedule 13D/A disclosing beneficial ownership of 4,674,528 shares (28.7% of outstanding common stock) as of September 22, 2026. The filing details recent option exercises and forfeitures, including the acquisition of 235,163 shares on September 21, 2026, at an exercise price of $0.00001 per share. Kupriienko holds additional options that will vest within 60 days, but does not include 1,509,147 shares underlying options vesting beyond that period.

• · Kupriienko is a citizen of Ukraine and his business address is c/o Swarmer, Inc, Austin, TX.
• · The filing is an amendment (13D/A) to a prior Schedule 13D.
• · Kupriienko has no criminal or securities law violations in the past five years.
• · He may acquire or dispose of shares depending on market conditions and other factors.
• · The percentage ownership is based on 16,004,739 shares outstanding as of August 31, 2026.

23-09-2026

Cevian Capital II GP Ltd, holding 19.4% of Pearson plc, entered into a Relationship Agreement with the company on September 22, 2026. The agreement secures board representation for Cevian through the appointment of Alexander Svensson as a non-executive director effective October 1, 2026, along with customary standstill, voting, and confidentiality provisions. No transactions in Pearson shares were made by Cevian in the past 60 days.

• · The Relationship Agreement includes customary standstill, voting, and confidentiality provisions.
• · Cevian has replacement rights for the Shareholder Director, subject to Nomination & Governance Committee approval.
• · Cevian undertakes to vote in line with the Board's recommendation on ordinary course resolutions (e.g., accounts, dividends, auditor appointments, director elections).
• · On remuneration report/policy resolutions, Cevian will vote in good faith and independently.
• · No transactions in Pearson shares by Cevian in the past 60 days.

23-09-2026

Perceptive Advisors LLC, Joseph Edelman, and Perceptive Life Sciences Master Fund, Ltd. filed a Schedule 13G with the SEC on September 23, 2026, disclosing beneficial ownership of 5,536,629 shares of Nurix Therapeutics, Inc. common stock, representing a 5.3% stake. The filing is a passive investment disclosure under Rule 13d-1(c), indicating the shares were not acquired to influence control of the issuer.

• · The filing is a Schedule 13G (passive investment) under Rule 13d-1(c), not a 13D (activist filing).
• · Neither Perceptive Advisors nor Joseph Edelman directly holds any shares; all 5,536,629 shares are held directly by Perceptive Life Sciences Master Fund, Ltd.
• · The ownership percentage is based on 103,781,683 shares outstanding as of June 30, 2026, per the issuer's Form 10-Q filed July 9, 2026.
• · The Reporting Persons certify that the securities were not acquired to change or influence control of the issuer.

23-09-2026

PAC Sponsor, LLC filed an amended Schedule 13D disclosing a 20.71% beneficial ownership stake in Pinnacle Acquisition Corp, a blank-check company, as of September 21, 2026. The sponsor surrendered 750,000 Class B ordinary shares for no consideration, which were cancelled by the issuer due to the underwriters not exercising their over-allotment option. This reduced the sponsor's ownership from a previously higher level, though the exact prior percentage was not disclosed in this filing.

• · The 750,000 Class B shares were surrendered pursuant to the Founder Share Purchase Agreement because underwriters did not exercise their over-allotment option.
• · The sponsor's ownership includes 225,000 Class A shares acquired via a Private Placement Units Purchase Agreement and 5,000,000 Class B shares convertible one-for-one into Class A shares at the initial business combination.
• · Steven K. Hudson and AVR Capital Holdings, LLC, as co-managing members, control the sponsor's voting and investment discretion, but both disclaim beneficial ownership except for pecuniary interest.
• · No transactions in the issuer's ordinary shares were effected by the reporting person during the 60 days preceding the report, other than the share surrender described.

23-09-2026

Intracoastal Capital LLC, along with Mitchell P. Kopin and Daniel B. Asher, filed a Schedule 13G disclosing beneficial ownership of 50,000 shares of SCWorx Corp. common stock, representing approximately 9.1% of the 550,000 shares outstanding as of September 23, 2026. The filing notes an additional 50,000 shares issuable upon exercise of a warrant, but a blocker provision prevents exercise beyond 4.99% beneficial ownership. The reporting persons certify the securities were not acquired to change or influence control of the issuer.

• · The filing is made under Rule 13d-1(c), indicating a passive investment intent.
• · The warrant blocker provision prevents the holder from exercising the warrant if it would result in beneficial ownership exceeding 4.99% of common stock.
• · Without the blocker, the reporting persons would be deemed to beneficially own 100,000 shares.
• · The issuer's common stock has a par value of $0.001 per share.
• · SCWorx Corp. was formerly known as Alliance MMA, Inc. (name changed in 2016).

23-09-2026

Steel Partners Holdings L.P. and its affiliates filed an amended Schedule 13D disclosing ownership of 3,482,160 shares of Spruce Power Holding Corp (SPRU), representing 18.1% of outstanding shares as of September 23, 2026. On September 21, 2026, SP Strategic Holdings LLC purchased an additional 52,780 shares from Ja-Chin Audrey Lee at $2.04 per share for total consideration of $107,671. Jack L. Howard separately owns 50,000 shares (less than 1%).

• · The filing is an amendment to Schedule 13D (Amendment No. 6) filed on September 23, 2026.
• · The purchase price per share for the 52,780 shares acquired on September 21, 2026 was $2.04.
• · No other transactions in the shares were reported since the filing of Amendment No. 5.
• · The reporting persons include multiple entities under Steel Partners, all deemed to beneficially own the same 3,482,160 shares.

23-09-2026

Manchester Management Company, LLC and related entities disclosed a 6.9% beneficial ownership stake in Alpha Cognition Inc. (ACOG) as of July 14, 2026, with James E. Besser individually holding 7.4% and Morgan C. Frank 6.3%. The filing is a routine Schedule 13G under Rule 13d-1(c), indicating passive investment intent, and does not signal any change in control or active engagement.

• · The filing is made under Rule 13d-1(c), indicating passive investment intent.
• · All securities are directly owned by advisory clients of Manchester Management PR, LLC.
• · James E. Besser holds 115,000 shares directly; Morgan C. Frank holds 45,000 shares directly.
• · The reporting persons disclaim beneficial ownership except for pecuniary interest.
• · The filing date is September 23, 2026, with ownership as of July 14, 2026.

23-09-2026

Millennium Management LLC, along with Millennium Group Management LLC and Israel A. Englander, filed a Schedule 13G on September 23, 2026, disclosing beneficial ownership of 1,586,500 Class A Ordinary Shares of Haymaker Acquisition Corp V, representing 5.5% of the outstanding shares. The filing indicates a passive investment intent under Rule 13d-1(c), with no purpose or effect of changing or influencing control of the issuer.

• · The filing is a Schedule 13G (passive investment), not a 13D (activist).
• · The securities are held by entities subject to voting control and investment discretion of Millennium Management LLC and/or other investment managers controlled by Millennium Group Management LLC and Israel A. Englander.
• · The reporting persons disclaim beneficial ownership except to the extent of their pecuniary interest.
• · A Joint Filing Agreement was executed on September 22, 2026, among the three reporting persons.

23-09-2026

Saba Capital Management, L.P. and related parties filed a Schedule 13D/A with the SEC on September 23, 2026, disclosing beneficial ownership of 2,494,542 common shares (8.8%) of Japan Smaller Capitalization Fund Inc (JOF). The filing indicates the group believes the shares are undervalued and may engage with management on strategic alternatives including board appointments, governance changes, share buybacks, tenders, liquidations, or a potential change in investment manager. Between August 31 and September 21, 2026, Saba Capital purchased an additional 303,991 shares at prices ranging from $12.24 to $12.83 per share, totaling approximately $21.7 million in acquisition cost.

• · All trades were executed in the open market; no agreements with third parties to act together were disclosed.
• · The Reporting Persons have not been convicted in any criminal proceeding or been party to a civil securities law proceeding in the last five years.
• · Margin account borrowings were used for some purchases; shares in margin accounts are pledged as collateral.
• · Saba Capital may propose changes to the open or closed end nature of the fund or the timing of any potential liquidation.

23-09-2026

HORAN Wealth, LLC filed a Schedule 13G with the SEC on September 23, 2026, disclosing beneficial ownership of 488,684.268 Class I shares of Connetic Venture Capital Access Fund (ticker VCAFX), representing an 11.49% stake valued at approximately $5,013,900. The filing indicates passive investment intent under Rule 13d-1(b), with no intention to change or influence control of the issuer.

• · Filing made under Rule 13d-1(b), indicating passive investment intent
• · HORAN Wealth, LLC is an investment adviser (IA) based in Cincinnati, OH
• · No sole or shared voting power reported (0 shares)
• · Sole dispositive power over 488,684.268 shares, no shared dispositive power
• · Issuer is a Delaware corporation with fiscal year ending December 31
• · Former name of issuer: Connetic Ventures Fund (changed October 4, 2023)

23-09-2026

Lawrence B. Seidman and affiliated entities filed a Schedule 13D with the SEC on September 23, 2026, disclosing aggregate beneficial ownership of 126,045 shares (approximately 5.40%) of URSB Bancorp, Inc. The group, which includes Seidman & Associates, Seidman Investment Partnership LP, and others, purchased shares in the open market at an aggregate cost of approximately $1,373,442.34, believing the shares were undervalued. Seidman has engaged with management, including discussions about adding Ray Vanaria to the board, and expressed confidence in the company's efforts to maximize shareholder value, while reserving the right to adjust his position based on market conditions.

• · The Reporting Persons formed a group under Rule 13d-5 of the Exchange Act.
• · Seidman individually does not own shares directly but is deemed beneficial owner of all 126,045 shares through his control of the entities.
• · The Reporting Persons purchased shares in the open market over the past sixty days, with transactions detailed in Exhibit 2.
• · Seidman had an in-person meeting and phone conversations with URSB management, including discussion of adding Ray Vanaria to the board.
• · The Reporting Persons may increase or decrease their position, engage in short selling, hedging, or make proposals regarding capitalization or ownership structure.
• · No Reporting Person has been convicted in a criminal proceeding or subject to securities-related civil judgments in the last five years.
• · The filing includes a Joint Filing Agreement dated September 23, 2026.

23-09-2026

Tejara Capital Ltd filed a Schedule 13G/A with the SEC on September 23, 2026, disclosing beneficial ownership of 6,382,551 Class A Common Shares of Cardiol Therapeutics Inc., representing 5.3% of the outstanding shares. The filing indicates that Tejara Capital Ltd, a UK-based fund manager authorized by the FCA, holds these shares in the ordinary course of business and not with the intent to influence control of the issuer.

• · Tejara Capital Ltd is authorized by the FCA in the UK as a fund manager.
• · The fund managed by Tejara Capital Ltd that holds the shares is Trefoil Select Funds SPC-Stylus SP, registered in the Cayman Islands.
• · The filing is an amendment (Schedule 13G/A) filed under Rule 13d-1(b).
• · Tejara Capital Ltd disclaims any purpose or effect of changing or influencing control of Cardiol Therapeutics Inc.

23-09-2026

Hawk Ridge Capital Management LP and related entities filed a Schedule 13G disclosing beneficial ownership of 2,728,548 common shares of Array Digital Infrastructure, Inc., representing a 5.1% stake as of September 16, 2026. The filing is a passive investment disclosure under Rule 13d-1(c), with the filers certifying the shares were not acquired to change or influence control of the issuer.

• · The filing is a Schedule 13G (passive investment), not a 13D (activist intent).
• · All reported securities are directly owned by Hawk Ridge Master Fund LP.
• · Hawk Ridge entities and David Brown disclaim beneficial ownership except for pecuniary interest.
• · The filing date is September 23, 2026, with the ownership date as of September 16, 2026.
• · The issuer was formerly known as United States Cellular Corp (name changed July 3, 1992).

23-09-2026

Jason Christopher Dorsett filed a Schedule 13D/A disclosing that as of September 21, 2026, he beneficially owns 4,204,028 shares of RTB Digital, Inc. (formerly RYVYL Inc.), representing approximately 30.0% of the outstanding common stock. On that date, he purchased 11,000 shares at $8.32 per share using $91,520 of personal funds, increasing his stake. The filing indicates sole voting and dispositive power over all shares, with no new contracts or arrangements entered into.

• · Purchase price per share: $8.32
• · Sole voting power: 4,204,028 shares
• · Sole dispositive power: 4,204,028 shares
• · No shared voting or dispositive power
• · No new contracts, arrangements, understandings, or relationships entered into in connection with the transaction
• · Reporting person has not been convicted in any criminal proceeding or subject to securities law judgments in the past five years

23-09-2026

Mifalei Sdot-Yam Agricultural Cooperative Society Ltd. filed Amendment No. 5 to its Schedule 13D, disclosing beneficial ownership of 10,440,000 ordinary shares of Caesarstone Ltd., representing approximately 30.19% of the company's outstanding shares as of September 23, 2026. The filing also reports the termination of the Shareholders Agreement dated September 18, 2023, among Mifalei Sdot-Yam and Tene entities, effective September 1, 2026. The reporting person retains sole voting and dispositive power over its shares.

• · The Shareholders Agreement dated September 18, 2023, terminated on September 1, 2026.
• · The filing amends and restates Items 4, 5, and 6 of the Schedule 13D.
• · The ownership calculation is based on 34,577,075 ordinary shares outstanding as of February 27, 2026, per Caesarstone's Form 20-F filed on March 4, 2026.
• · Mifalei Sdot-Yam has sole voting and dispositive power over its 10,440,000 shares.