SCHEDULE: Vanguard Group Amends Old Second Bancorp Stake to 0%

The Vanguard Group has filed an amended Schedule 13G, reporting 0% beneficial ownership in Old Second Bancorp Inc. following an internal realignment.

Summary

• The Vanguard Group filed an Amendment No. 1 to its Schedule 13G for Old Second Bancorp Inc.
• The filing reports that The Vanguard Group now beneficially owns 0% of Old Second Bancorp Inc.'s Common Stock.
• This change is due to an internal realignment within The Vanguard Group, effective January 12, 2026.
• Following the realignment, certain subsidiaries or business divisions of Vanguard will report beneficial ownership separately (on a disaggregated basis).
• These subsidiaries will continue to pursue the same investment strategies as previously pursued by The Vanguard Group, Inc. prior to the realignment.
• The Vanguard Group, Inc. itself no longer has, or is deemed to have, beneficial ownership over these securities.

Sentiment

Score: 5

Explanation: StockSavvy.ai views this as a neutral event for Old Second Bancorp Inc. The reduction to 0% beneficial ownership by The Vanguard Group is due to an internal reporting realignment, not a change in investment strategy or a divestment based on the issuer's performance.

Positives

• The change in reported ownership is due to an internal realignment within The Vanguard Group, not a divestment based on the issuer's performance.
• Vanguard's subsidiaries will continue to pursue the same investment strategies, implying continued investment in similar securities.

Negatives

• The Vanguard Group, as the primary reporting entity, no longer reports any beneficial ownership in Old Second Bancorp Inc., which could be misinterpreted by some investors.

Risks

• Potential for misinterpretation by investors regarding The Vanguard Group's reduction to 0% beneficial ownership, possibly leading to unwarranted negative sentiment towards Old Second Bancorp Inc.

Future Outlook

The filing does not provide any forward-looking statements or guidance regarding Old Second Bancorp Inc. or The Vanguard Group's future investment intentions beyond the internal reporting change.

Management Comments

• On January 12, 2026, The Vanguard Group, Inc. went through an internal realignment.
• Certain subsidiaries or business divisions of subsidiaries of The Vanguard Group, Inc., that formerly had, or were deemed to have, beneficial ownership with The Vanguard Group, Inc., will report beneficial ownership separately (on a disaggregated basis) from The Vanguard Group, Inc. in reliance on such release.
• These subsidiaries and/or business divisions pursue the same investment strategies as previously pursued by The Vanguard Group, Inc. prior to the realignment.
• The Vanguard Group, Inc. no longer has, or is deemed to have, beneficial ownership over securities beneficially owned by such subsidiaries and/or business divisions.

Industry Context

StockSavvy.ai notes that large institutional investors like The Vanguard Group frequently undergo internal restructurings or realignments that impact their reporting of beneficial ownership. This specific filing indicates a shift to disaggregated reporting by Vanguard's subsidiaries, a common practice for complex investment management firms to comply with regulatory guidance while maintaining their overall investment strategies. This is not indicative of a change in investment thesis regarding Old Second Bancorp Inc. by Vanguard's underlying funds, but rather a change in the reporting entity.

Stakeholder Impact

• Shareholders of Old Second Bancorp Inc. might initially perceive the reduction in Vanguard's reported stake as negative, potentially leading to short-term price fluctuations if the context of the internal realignment is not fully understood.
• The Vanguard Group's clients (investors in their funds) will continue to have their investments managed under the same strategies, albeit with beneficial ownership reported by different Vanguard entities.

Key Dates

Keywords

Vanguard Group, Old Second Bancorp Inc, Schedule 13G, Beneficial Ownership, Internal Realignment, SEC Filing, Institutional Investor, Common Stock, Disaggregated Reporting