Quick Takeaways
- WELLINGTON MANAGEMENT GROUP LLP filed SCHEDULE 13G/A for MainStreet Bancshares, Inc. Common Stock (MNSB).
- Disclosed ownership: 4.7%.
- Date of event: 31 Dec 2025.
WELLINGTON MANAGEMENT GROUP LLP - 31 Dec 2025 SCHEDULE 13G/A Report for MainStreet Bancshares, Inc. Common Stock (MNSB)
- Filing Manager
- WELLINGTON MANAGEMENT GROUP LLP
- Reporting Manager
- Wellington Management Group LLP
- Symbol
- MNSB
- Shares outstanding
- 7,647,043 shares
- Disclosed Ownership
- 359,411 shares
- Ownership
- 4.7%
- Form type
- SCHEDULE 13G/A
- Filing time
- 10 Feb 2026, 11:21:52 UTC
- Date of event
- 31 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"WELLINGTON MANAGEMENT GROUP LLP disclosed 4.7% ownership in MainStreet Bancshares, Inc. Common Stock (MNSB) on 31 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 10 Feb 2026, 11:21.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (3)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Wellington Management Group LLP | 4.7% | 359,411 | 0 | 359,411 | Taisia Lowe | Regulatory Analyst | |
| Wellington Group Holdings LLP | 4.7% | 359,411 | 0 | 359,411 | Taisia Lowe | Regulatory Analyst | |
| Wellington Investment Advisors Holdings LLP | 4.7% | 359,411 | 0 | 359,411 | Taisia Lowe | Regulatory Analyst |