Key facts
- WELLINGTON MANAGEMENT GROUP LLP filed SCHEDULE 13G for Mercantile Bank Corporation Common Stock (MBWM).
- Disclosed ownership: 6.9%.
- Date of event: 31 Mar 2026.
WELLINGTON MANAGEMENT GROUP LLP - 31 Mar 2026 SCHEDULE 13G Report for Mercantile Bank Corporation Common Stock (MBWM)
- Filing manager
- WELLINGTON MANAGEMENT GROUP LLP
- Reporting owner
- Wellington Management Group LLP
- Symbol
- MBWM
- Shares outstanding
- 17,232,333 shares
- Disclosed ownership
- 1,189,031 shares
- Ownership
- 6.9%
- Form type
- SCHEDULE 13G
- Filing time
- 15 May 2026, 07:06:00 UTC
- Date of event
- 31 Mar 2026
- SEC
- View on sec.gov
Key filing fact
WELLINGTON MANAGEMENT GROUP LLP disclosed 6.9% ownership in Mercantile Bank Corporation Common Stock (MBWM) on 31 Mar 2026.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 15 May 2026, 07:06.
Research use
- 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.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (4)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Wellington Management Group LLP | 6.9% | 1,189,031 | 0 | 1,040,984 | Matthew Revell | Compliance Manager | |
| Wellington Group Holdings LLP | 6.9% | 1,189,031 | 0 | 1,040,984 | Matthew Revell | Compliance Manager | |
| Wellington Investment Advisors Holdings LLP | 6.9% | 1,189,031 | 0 | 1,040,984 | Matthew Revell | Compliance Manager | |
| Wellington Management Company LLP | 6.5% | 1,189,031 | 0 | 1,030,352 | Matthew Revell | Compliance Manager |
CIK / CUSIP context first