Barclays PLC filed an amended beneficial ownership statement with the SEC on November 6, 2026, disclosing a 93,900-share position in Silverbox Corp IV-A common stock as of a September 30, 2026 triggering event.

Key Highlights

  • Reporting person: Barclays PLC, a United Kingdom-incorporated holding company, filed Amendment No. 1 to its beneficial ownership statement.
  • Shares held: Barclays PLC reported aggregate beneficial ownership of 93,900 shares of Silverbox Corp IV-A common stock (CUSIP G81354105).
  • Percent of class: The 93,900 shares represent 1.46% of the class, as disclosed in the filing.
  • Voting and dispositive power: Barclays PLC reported sole voting power and sole dispositive power over all 93,900 shares, with no shared voting or dispositive power.
  • Triggering date: The event requiring this filing occurred on September 30, 2026.
  • Relevant subsidiaries: The filing identifies Barclays Bank PLC and Barclays Capital Inc. as the subsidiaries through which the position is held.
  • Signing officer: The statement was signed by Ramya Rao, Director, on November 6, 2026.

Barclays PLC Ownership Position in Silverbox Corp IV-A

According to the filing, Barclays PLC, organized in the United Kingdom and headquartered at 1 Churchill Place, London, E14 5HP, submitted Amendment No. 1 to a Schedule 13G covering its holdings in Silverbox Corp IV-A, an issuer with principal executive offices located at 1250 S. Capital of Texas Highway. The filing covers common stock carrying CUSIP number G81354105. Silverbox Corp IV-A is a special purpose acquisition company structured under its stated corporate form.

The filing reports that the 93,900 shares are held with sole voting power and sole dispositive power entirely attributed to Barclays PLC, with zero shares subject to shared voting or shared dispositive arrangements. Item 5 of the filing states that this represents "ownership of 5 percent or less of a class," consistent with the reported 1.46% figure. The filing further states that Item 6, concerning ownership of more than 5 percent on behalf of another person, is "Not Applicable."

Barclays PLC identified Barclays Bank PLC and Barclays Capital Inc. as the relevant subsidiaries under Item 7, through which the reported securities were acquired. The certification included in the filing states that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

What Was Disclosed

Barclays PLC, through its subsidiaries Barclays Bank PLC and Barclays Capital Inc., disclosed beneficial ownership of 93,900 shares of Silverbox Corp IV-A common stock, equal to 1.46% of the class, with the triggering event dated September 30, 2026, and the amendment signed November 6, 2026.