US Activist Hedge Fund Institutional SEC 13D 13G — September 28, 2026

28-09-2026

Milton C. Ault III and his entity Ault & Company, Inc. disclosed a combined beneficial ownership of 60.8% of Hyperscale Data, Inc. (GPUS-PD) Class A common stock in an amended Schedule 13D filing. Ault & Company directly holds 327,705,405 Class A shares (60.6%), primarily through convertible preferred stock, while Mr. Ault's total beneficial ownership reaches 328,916,926 shares. Other insiders (Horne, Nisser, Cragun) each hold less than 1%, indicating a highly concentrated control structure.

• · Ault & Company's beneficial ownership is based on a conversion price of $0.1712 per share for the preferred stock, which is 105% of the VWAP over the prior ten trading days.
• · The Series C, G, and H preferred shares each have a stated value of $1,000 per share.
• · Class B shares carry 10 votes per share, while Class A shares carry 1 vote per share, significantly reducing Ault & Company's voting power percentage (12.86%) compared to its economic ownership (60.6%).
• · Insiders Horne, Nisser, and Cragun each hold less than 1% of Class A shares.
• · Stock options granted to officers have a strike price of $3.60 per share, expire on July 30, 2035, and vest 50% immediately (as of May 6, 2026) with the remaining 50% vesting monthly over 24 months starting June 1, 2026.
• · A $17.5 million senior secured convertible promissory note held by Ault & Company was subsequently repaid.

28-09-2026

Spruce House Investment Management LLC and related entities filed an amended Schedule 13D with the SEC on September 28, 2026, disclosing beneficial ownership of 3,235,000 subordinate voting shares of Colliers International Group Inc., representing approximately 6.5% of outstanding shares. The filing details recent open market purchases totaling 489,675 shares at prices between $89.68 and $92.16 per share during the past sixty days, increasing their stake. Benjamin Stein directly owns 47,012 shares (including options exercisable within 60 days), bringing the group's aggregate beneficial ownership to approximately 6.6%.

• · The filing is an amendment to the initial Schedule 13D filed on April 6, 2026.
• · Of the 3,235,000 Shares, 3,069,800 were purchased in open market transactions and 165,200 were purchased in an underwritten public offering on February 28, 2024 at $121.00 per share.
• · Benjamin Stein acquired 5,129 Shares upon dissolution of the Ben Stein 2011 Trust for no consideration.
• · Benjamin Stein holds 3,960 deferred share units (DSUs) payable in cash after board service ends, not counted as beneficial ownership.
• · The Reporting Persons may be deemed a 'group' under Section 13(d)(3) of the Act.

28-09-2026

Avshalom Ofer Vicus, CEO, Chairman and Director of Aduro Clean Technologies Inc., filed a Schedule 13D/A disclosing beneficial ownership of 8,932,568 shares (24.9% of the company) as of September 28, 2026. The filing details a pledge of 500,000 shares as collateral and a transfer of 1,000,000 shares to a family-owned company for estate planning purposes, with no cash consideration. No shares were sold or disposed of, and the reporting person retains voting and dispositive power over the pledged shares.

• · The reporting person is a citizen of Canada and Israel.
• · No cash consideration was paid for the transfer of 1,000,000 shares to FamilyCo; the reporting person received non-voting preferred shares of FamilyCo.
• · The pledge of 500,000 shares does not transfer voting or dispositive power to the secured party unless and until enforcement rights are exercised following a default.
• · The reporting person has not been convicted in any criminal proceeding (excluding traffic violations) and has not been party to any adverse civil proceeding related to securities laws in the last five years.
• · The filing is an amendment (No. 2) to the initial Schedule 13D.

28-09-2026

Endeavor Blockchain, LLC and related parties (collectively the 'Reporting Persons') filed Amendment No. 12 to their Schedule 13D, disclosing aggregate beneficial ownership of 46.4% of Big Digital Energy, Inc. (formerly Mawson Infrastructure Group Inc.) common stock on a partially-diluted basis as of September 21, 2026. The filing reflects a reduction in reported beneficial ownership levels compared to prior amendments, as it now only includes shares issuable upon conversion of Series D preferred stock within 60 days. The group also converted $2.57 million of outstanding debt into 442,899 shares at $5.80 per share on September 21, 2026, and disclosed recent open-market purchases by Endeavor Blockchain and Cody Smith.

• · Endeavor Blockchain purchased shares on multiple dates in August and September 2026 at prices ranging from $6.26 to $7.37 per share.
• · Cody Smith purchased 11,927 shares at an average weighted price of $6.55, 3,073 shares at $7.11, and 5,000 shares at $7.54 in August 2026.
• · The Registration Rights Agreement requires the Issuer to file a resale registration statement by October 9, 2026 and have it effective by November 17, 2026.
• · The Series D preferred shares held by Six Thirty AI, LLC are convertible into 729,395 shares of common stock within 60 days.
• · The Reporting Persons disclaim beneficial ownership of securities they do not own directly or through a wholly-owned entity.

28-09-2026

Two Seas Capital LP filed a Schedule 13G/A with the SEC on September 28, 2026, disclosing beneficial ownership of 3,345,978 shares of Nektar Therapeutics (NKTR) common stock, representing approximately 9.8% of shares outstanding as of September 25, 2026. The shares are held through Two Seas Global (Master) Fund LP (3,175,430 shares) and Two Seas Litigation Opportunities Fund LLC (170,548 shares), with sole voting and dispositive power held by Two Seas Capital LP, its general partner Two Seas Capital GP LLC, and CIO Sina Toussi. The reporting persons certify the shares were acquired in the ordinary course of business and not for the purpose of changing control of the issuer.

• · The 3,345,978 shares represent 100% of the shares held by both funds combined, with no shared voting or dispositive power with other parties.
• · The filing is an amendment (SC 13G/A) to a previously filed Schedule 13G, indicating the filer had crossed or maintained the 5% threshold.
• · Two Seas Capital LP changed its name from Kairos Capital Management LP effective August 31, 2020.

28-09-2026

STRS Ohio (State Teachers Retirement System of Ohio) filed an amended Schedule 13D disclosing beneficial ownership of 1,138,351.59 shares of Stone Point Credit Income Fund common stock, representing 6.8% of outstanding shares as of September 21, 2026. The shares were acquired for $28,525,497.15 through a subscription agreement dated January 10, 2025, with purchases made upon capital contribution notices at the prevailing NAV per share. STRS Ohio holds sole voting and dispositive power over the stake, acquired for ordinary investment purposes with no borrowed funds.

• · Subscription agreement signed on January 10, 2025.
• · Shares purchased at price per share equal to most recent NAV per share as determined by the Board of Directors.
• · No borrowed funds were used for the acquisition.
• · STRS Ohio has not been convicted in any criminal proceeding or subject to securities-related civil judgments in the past 5 years.
• · No other person has the right to receive dividends or proceeds from the securities.

28-09-2026

Erik M. Herzfeld and his advisory clients filed a Schedule 13D/A disclosing beneficial ownership of 756,694 shares of Herzfeld Credit Income Fund, Inc., representing 37.50% of the 2,017,725 shares outstanding as of August 31, 2026. The filing details numerous open market purchases and sales by advisory clients between July and September 2026, as well as shares acquired through the issuer's dividend reinvestment program. The reporting person individually owns 71,413 shares with sole voting and dispositive power, while advisory clients hold 686,434 shares with shared power.

• · The filing is an amendment (Schedule 13D/A) filed on September 28, 2026.
• · Advisory clients acquired 2,773.4016 shares at $15.333 on July 31, 2026, and 2,834.8335 shares at $15.1763 on August 31, 2026, through the issuer's dividend reinvestment program.
• · Between July 22 and September 25, 2026, advisory clients executed numerous open market transactions, including both purchases and sales, with prices ranging from approximately $15.73 to $16.80 per share.
• · No single account owner holds more than 5% of the issuer's common shares.

28-09-2026

In this Schedule 13D/A amendment, Happy City Holdings Ltd's CEO Suk Yee Kwan and former Chair Tak Shing Lam disclose that they have lost all beneficial ownership of the company's shares. Their 12,000,000 Class B Ordinary Shares, previously held indirectly through Happy City Group Limited, were transferred to Sky Way Innovation Holdings Limited on September 21, 2026, following an event of default on a US$1,000,000 loan. The Reporting Persons now own zero shares, representing a complete loss of their controlling stake (previously ~93.08% of voting power).

• · The loan carried an effective annual interest rate of 34.8% (2.9% per month).
• · The loan was due for repayment on or before October 17, 2026.
• · Sky Way now holds the 12,000,000 Class B Ordinary Shares.
• · The Reporting Persons are spouses (Ms. Kwan is the spouse of Mr. Lam).
• · The transfer occurred on September 21, 2026, following a Notice of Enforcement issued on September 10, 2026.

28-09-2026

Moringa Sponsor, LP and related parties filed an amended Schedule 13D disclosing a 17.7% beneficial ownership stake in Silexion Therapeutics Corp as of September 18, 2026, based on 11,036,748 ordinary shares outstanding. However, the filing expressly disputes the validity of the vast majority of the shares reported (1,953,359 of 1,954,056 total shares), which were issued upon conversion of a promissory note, and notes that Moringa Sponsor, LP filed a claim against Silexion and two senior officers on June 22, 2026 alleging deliberate and systematic breaches of the note. The reporting persons do not concede beneficial ownership of the disputed shares, creating significant uncertainty around the actual ownership position.

• · The filing is Amendment No. 5 to Schedule 13D, filed September 28, 2026.
• · Moringa Sponsor, LP filed a claim against Silexion and two senior officers on June 22, 2026, alleging deliberate and systematic breaches of the Amended and Restated Promissory Note dated August 15, 2024.
• · The disputed conversions occurred at varying per-share prices: $2.2553 (July 30), $1.714 (July 31), $2.19 (Aug 5), $0.65 (Aug 12), and $0.37 (Sep 16).
• · The filing reflects three reverse stock splits: 1-for-9 on Nov 27, 2024; 1-for-15 on Jul 28, 2025; and 1-for-10 on May 28, 2026.
• · The company changed its name from Biomotion Sciences to Silexion Therapeutics Corp on May 6, 2024.

28-09-2026

Ileana Zhao, through her wholly-owned entity Expansion Group Ltd, increased her beneficial ownership in AIFU Inc. to 67.37% of ordinary shares and 99.43% of aggregate voting power, following a share subscription of 10,000,000 Class B ordinary shares at par value (US$20,000 total) completed on September 24, 2026. The filing also discloses a disposal of 155,000 Class A ordinary shares (via Vanguard First Limited) for US$2.9 million in April 2026, and a 1-for-20 reverse split effective June 16, 2026. The reporting persons state the acquisition is for investment purposes and to establish a stable shareholding structure amid the company's strategic transformation.

• · The share subscription agreement was entered into on September 9, 2026, and the issuance was completed on September 24, 2026.
• · The disposal of Vanguard First Limited occurred on April 14, 2026, for US$2.9 million.
• · A 1-for-20 reverse share split was effected on June 16, 2026.
• · Class B ordinary shares carry 100 votes per share, while Class A ordinary shares carry 1 vote per share.
• · Ileana Zhao is a citizen of the Republic of Guinea-Bissau.
• · Expansion Group Ltd is a British Virgin Islands exempt company with no substantive operations.

28-09-2026

TDR Capital II Investments L.P. and affiliated entities filed Amendment No. 9 to their Schedule 13D, disclosing aggregate beneficial ownership of 27,226,363 shares of Target Hospitality Corp. common stock, representing 27.8% of the outstanding shares. On September 25, 2026, Arrow Holdings and MFA Global distributed an aggregate of 2,652,046 shares to certain limited partners, reducing their direct holdings. The filing also details holdings by Sapphire Holding (20,696,564 shares, 21.1%), Arrow Holdings (20,696,564 shares, 21.1%), and MFA entities (6,529,799 shares, 6.7% each).

• · The filing is Amendment No. 9 to Schedule 13D, last amended on September 14, 2026.
• · The distribution of 2,652,046 shares on September 25, 2026 was a distribution in kind to certain limited partners of Arrow Holdings and MFA Global.
• · Total outstanding shares used for percentage calculation: 97,929,824 (from prospectus supplement filed September 9, 2026, after giving effect to a stock repurchase).
• · All Reporting Persons share voting and dispositive power over their reported shares; none have sole power.
• · The Sarl Entities are Luxembourg societes a responsabilite limitee; MFA SLP is a Luxembourg societe en commandite speciale.
• · No Reporting Person or related person has been convicted in a criminal proceeding or subject to securities-related civil judgment in the last five years.

28-09-2026

Bindley Capital Partners I, LLC and related parties filed Amendment No. 4 to their Schedule 13D, disclosing aggregate beneficial ownership of 27,822,550 Class A shares (43.9% of Class A common stock) of Guardian Pharmacy Services, Inc. as of September 27, 2026. The filing notes that 13,521,396 Class B shares converted to Class A on September 27, 2026, and that William E. Bindley and Thomas J. Salentine, Jr. share voting/investment power over 16,669,666 shares. No new transactions were reported in the 60 days prior to the filing.

• · The percentage is calculated based on 63,320,300 shares of Class A common stock outstanding as of September 27, 2026, as disclosed in the 8-K.
• · 13,521,396 shares of Class A common stock were issued upon automatic conversion of Class B common stock on September 27, 2026.
• · William E. Bindley and Thomas J. Salentine, Jr. share voting and investment power over 16,669,666 shares owned by Bindley Capital.
• · No transactions in Class A common stock were effected by the Reporting Persons in the 60 days preceding the filing date.
• · The Schedule 13D/A is Amendment No. 4, filed on September 28, 2026, amending the initial Schedule 13D filed on February 3, 2025.

28-09-2026

Strider Capital, LLC filed a Schedule 13G disclosing beneficial ownership of 2,552,359 shares of Lantronix Inc (LTRX) common stock, representing 5.5% of the class. The shares are held in separately managed advisory accounts, and the filing indicates the securities were acquired in the ordinary course of business without intent to change or influence control of the issuer.

• · Strider Capital, LLC is a Delaware limited liability company with its principal business address at 15 Bridge Road, Kentfield, CA 94904.
• · The filing is made pursuant to Rule 13d-1(b) under the Securities Exchange Act of 1934.
• · No single advisory client of Strider Capital has the right to receive dividends or sale proceeds from more than 5% of the class.
• · The filing certifies that the securities were not acquired with the purpose of changing or influencing control of the issuer.

28-09-2026

Strider Capital, LLC disclosed a 5.3% beneficial ownership stake in Mobilicom Ltd as of March 31, 2026, holding 663,791 ordinary shares. The filing is a Schedule 13G submitted under Rule 13d-1(b), indicating the shares were acquired in the ordinary course of business and not for the purpose of changing or influencing control. The shares are held in separately managed accounts of advisory clients, with no single client owning more than 5% of the class.

• · Filing date: September 28, 2026, with ownership effective as of March 31, 2026.
• · Strider Capital, LLC is a Delaware limited liability company and an investment adviser (IA).
• · The filing is made under Rule 13d-1(b), confirming passive investment intent.
• · No single advisory client has the right to receive dividends or proceeds from more than 5% of the class.

28-09-2026

Legion Partners Asset Management, LLC and affiliated entities disclosed a 17.3% beneficial ownership stake in Lifecore Biomedical, Inc. (LFCR) as of September 27, 2026. On that date, Lifecore entered into a merger agreement to be acquired by Lifecore Inc. (Parent) for $6.28 per share in cash plus one contingent value right (CVR) per share. Legion Partners has entered into a voting agreement to support the merger, which is subject to stockholder approval and other customary conditions.

• · The merger agreement was entered into on September 27, 2026, with Lifecore Inc. as Parent and Hazel Merger Sub, Inc. as Merger Sub.
• · Each share of common stock will receive $6.28 in cash plus one CVR; Series A Preferred Stock will receive the Conversion Amount in cash plus one CVR per underlying share.
• · Legion Partners has entered into a voting agreement to vote its covered shares in favor of the merger and against any competing acquisition proposals.
• · The merger is subject to stockholder adoption, HSR Act waiting period expiration, other governmental approvals, and absence of legal restraints.
• · No transactions in the issuer's securities were entered into by the Reporting Persons during the past 60 days.

28-09-2026

Schuh Todd Arthur filed a Schedule 13G with the SEC on September 28, 2026, disclosing beneficial ownership of 5,242,393 shares of SBIG Holdings, Inc. (formerly SpringBig Holdings, Inc.) common stock, representing 10.7% of the 48,795,266 shares outstanding. The filing indicates the shares were acquired in the ordinary course of business and not with the purpose of changing or influencing control of the issuer.

• · The filing is made under Rule 13d-1(c), indicating the shares were not acquired with the purpose of changing or influencing control.
• · Includes 6,666 shares held in custodial accounts for the Reporting Person's minor children, for which beneficial ownership is disclaimed except for pecuniary interest.
• · The issuer's business address is 621 NW 53rd St, Ste. 340, Boca Raton, FL 33487.
• · The Reporting Person's address is 1112 4th St, Kiel, WI 53042.

28-09-2026

Millennium Management LLC, along with Millennium Group Management LLC and Israel A. Englander, disclosed a 5.2% beneficial ownership stake in Beyond Meat, Inc. as of September 21, 2026, holding 957,442 shares of common stock. The filing is a Schedule 13G, indicating passive investment intent. The stake was calculated based on 18,291,409 shares outstanding, which reflects a 1-for-30 reverse stock split effective August 13, 2026, and shares issued from convertible note settlements.

• · The percentage ownership is based on 18,291,409 shares outstanding, which includes 515,818,978 shares outstanding as of August 5, 2026, adjusted for a 1-for-30 reverse stock split effective August 13, 2026, plus 1,097,444 shares issued from convertible note settlements.
• · The filing is made under Rule 13d-1(c), indicating passive investment intent.
• · The securities are held by entities subject to voting control and investment discretion by Millennium Management LLC and/or other investment managers controlled by Millennium Group Management LLC and Israel A. Englander.
• · A joint filing agreement dated September 25, 2026, was filed by the reporting persons.

28-09-2026

August J. Troendle, founder and CEO of Medpace Holdings, Inc., filed a Schedule 13D/A disclosing the sale of a significant number of common shares through open market transactions between August 10, 2026 and September 25, 2026. The sales were executed at prices ranging from approximately $600 to $628 per share. Following these transactions, Mr. Troendle's beneficial ownership decreased to 5,396,508 shares, representing 19.1% of the company's outstanding common stock, while Medpace Investors, LLC holds 4,733,019 shares (16.8%).

• · August J. Troendle's beneficial ownership percentage: 19.1%
• · Medpace Investors, LLC's beneficial ownership percentage: 16.8%
• · Sales occurred between August 10, 2026 and September 25, 2026
• · Sale prices ranged from approximately $600 to $628 per share
• · This is Amendment No. 24 to the original Schedule 13D filed on August 26, 2016

28-09-2026

D. E. Shaw & Co., L.P. filed an amended Schedule 13D disclosing that its affiliate, D. E. Shaw Valence Portfolios, L.L.C., ceased to be a beneficial owner of more than 5% of Gossamer Bio's common stock on September 24, 2026, following a 1-for-80 reverse stock split that became effective September 10, 2026. The filing shows D. E. Shaw entities now collectively hold 312,048 shares (5.1% of outstanding), down from a prior above-5% position, and that Valence and Cogence maintain open short positions referencing 44,364 and 2,290 shares, respectively. The amendment also details extensive share sales by Valence and Cogence between August 25 and September 17, 2026, at prices ranging from $0.14 to $12.30 per share (pre- and post-split).

• · Valence and Cogence sold shares almost daily from August 25 through September 17, 2026, with pre-split prices ranging from $0.1427 to $0.2115 and post-split prices from $10.39 to $12.30.
• · The reverse stock split reduced the outstanding share count from a pre-split level to 6,116,391 shares as of September 14, 2026.
• · D. E. Shaw entities maintain open short positions of 44,364 shares (Valence) and 2,290 shares (Cogence) referencing common stock.
• · The filing references a Transaction Support Agreement and Voting Agreement dated May 18, 2026, and an Indenture governing Senior Secured First Lien Convertible Notes due 2030.

28-09-2026

Franklin Templeton, Inc. and its subsidiaries disclosed a 60.3% beneficial ownership stake in Franklin BSP Private Credit Fund's Advisor Class Shares, representing 6,597,084 shares as of September 24, 2026. The filing details recent share repurchases by the issuer (223,423 shares at $9.99 per share on September 22, 2026) but notes no current plans to acquire or dispose of additional securities. The majority stake reflects significant insider concentration, though the filing reaffirms that voting and investment powers are exercised independently across various affiliates.

• · HoldCo's total acquisition cost for 4,955,483 Advisor Class Shares was $49.9 million, paid from working capital.
• · HoldCo also owns 10,000 Class A Shares purchased for $100,000 in August 2021.
• · The issuer repurchased 223,423 Advisor Class Shares at $9.99 per share on September 22, 2026.
• · FTI, Charles B. Johnson, and Rupert H. Johnson, Jr. directly own zero shares of the issuer.
• · The filing incorporates Disaggregated Affiliates policies per SEC Release No. 34-39538, meaning voting/investment powers are exercised independently among different FTI entities.

28-09-2026

Linden Capital L.P. and related entities filed a Schedule 13G with the SEC on September 28, 2026, disclosing beneficial ownership of Class A Ordinary Shares in NewHold Investment Corp IV, a blank check company. As of September 23, 2026, Linden Advisors LP and Siu Min Wong each beneficially own 1,284,999 Shares (approximately 6.2% of outstanding), while Linden Capital L.P. and Linden GP LLC each own 1,242,425 Shares (approximately 6.0%). The filing indicates passive investment intent under Rule 13d-1(c).

• · The filing is made under Rule 13d-1(c), indicating passive investment intent.
• · Linden Capital L.P. is a Bermuda limited partnership; Linden GP LLC and Linden Advisors LP are Delaware entities.
• · Siu Min Wong is a citizen of China (Hong Kong) and the United States.
• · The Shares have a par value of $0.0001 per share.
• · The filing date is September 28, 2026, with ownership measured as of September 23, 2026.

28-09-2026

The Philip & Daniele Barach Family Trust filed Amendment No. 3 to its Schedule 13D, reporting the purchase of a $3.21M senior secured convertible note and warrants from Celularity Inc. on September 24, 2026, increasing its beneficial ownership to 9,491,270 shares (24.5% of Class A Common Stock). The Trust also secured board representation rights, with Philip Barach appointed to the board, and has an option to purchase up to an additional $2.92M in convertible notes and warrants by September 30, 2027. No transactions in the past 60 days were reported, and the filing indicates no recent disposals or acquisitions beyond the described financing.

• · The Trust has the right to designate two directors to the five-member board; Philip Barach was appointed on September 24, 2026.
• · The Convertible Notes accrue interest at 10% per annum (15% upon Event of Default), payable in kind, maturing on the second anniversary of issuance.
• · Upon a Qualified Financing, the Company may elect to convert up to 100% of the outstanding principal and accrued interest into shares at the lowest Qualified Financing price.
• · No transactions in Class A Common Stock by the Reporting Persons in the past 60 days; no acquisitions or dispositions since December 19, 2025 except the described financing and expiration of certain prior rights.
• · The Trust's beneficial ownership calculation includes shares issuable upon conversion/exercise of multiple convertible notes and warrants at conversion/exercise prices of $1.50 and $2.00 per share.