MBWM MERCANTILE BANK CORP
company
SEC Filings & Insider Trading Activity 2026

CIK: 1042729
Financials
State Commercial Banks 109 filings
Russell 2000

Latest MERCANTILE BANK CORP (MBWM) SEC EDGAR filings in 2026, including the most recent 10-K annual report filed on February 27, 2026, a 10-Q quarterly report filed on May 1, 2026, an 8-K current report filed on July 21, 2026. SignalX aggregates every new 10-K annual report, 10-Q quarterly report, 8-K current report, and Form 4 insider transaction for MERCANTILE BANK CORP (MBWM) (SEC CIK 1042729), with AI-powered section-by-section summaries updated daily.

10-Q: 65
10-K: 22
SC 13G: 12
8-K: 9
SC 13D: 1

Latest 2026 SEC Filing Dates

10-K Annual Report
Feb 27, 2026
10-Q Quarterly Report
May 1, 2026
8-K Current Report
Jul 21, 2026

Go deeper on MERCANTILE BANK CORP

Ask AI about MBWM filings. Chat with the 10-K, 10-Q, and 8-K for instant answers on financials, risks, and guidance.

Track institutional money. See which funds are building or cutting MBWM positions, quarter over quarter.

Catch cross-signals. Spot when insider buying, fund accumulation, and activist stakes line up on MBWM.

Quarterly Reports Archive
10-Q

AI-powered analysis of MERCANTILE BANK CORP (MBWM) 10-Q quarterly reports filed with SEC EDGAR.

Recent 8-K Filings
Current Reports

AI-powered analysis of MERCANTILE BANK CORP (MBWM) 8-K current reports disclosing material events.

Latest 2026 SEC Filings: 10-K, 10-Q, 8-K & Form 4

FormFiling DatePeriodAnalysisSEC
8-K
Jul 21, 2026---
8-K
May 21, 2026--
10-Q
May 1, 2026Mar 31, 2026-
8-K
Apr 21, 2026---
8-K
Mar 19, 2026-Analysis-
10-K
Feb 27, 2026Dec 31, 2025-
8-K
Jan 20, 2026--
8-K
Jan 20, 2026--
8-K
Dec 31, 2025--
8-K
Dec 19, 2025--
8-K
Dec 17, 2025--
10-Q
Oct 31, 2025Sep 30, 2025Analysis
10-Q
Aug 1, 2025Jun 30, 2025-
10-Q
May 2, 2025Mar 31, 2025-
10-K
Mar 3, 2025Dec 31, 2024-
10-Q
Nov 1, 2024Sep 30, 2024-
10-Q
Aug 2, 2024Jun 30, 2024-
10-Q
May 3, 2024Mar 31, 2024-
10-K
Mar 1, 2024Dec 31, 2023-
10-Q
Nov 3, 2023Sep 30, 2023-
10-Q
Aug 4, 2023Jun 30, 2023-
10-Q
May 5, 2023Mar 31, 2023-
10-K
Mar 3, 2023Dec 31, 2022-
SC 13G
Jan 25, 2023--
10-Q
Nov 4, 2022Sep 30, 2022-

13F Fund Holdings: Quarterly Trend

Latest: Q1 2026

Aggregate MBWM share value held by 13F filers tracked by SignalX, by quarter.

Position changes: Q4 2025Q1 2026
Top Buyers
Top Sellers
New Positions
Closed Positions

Source: 13F-HR filings on SEC EDGAR (aggregated from 183 fund-quarter rows). Reflects only 13F filers tracked by SignalX, not the full institutional ownership universe.

Frequently Asked Questions

What are the latest MBWM SEC filings in 2026?

MERCANTILE BANK CORP (MBWM) has filed a 10-K annual report on February 27, 2026, a 10-Q quarterly report on May 1, 2026, an 8-K current report on July 21, 2026 with the SEC. SignalX tracks every new SEC EDGAR filing daily, including 10-K, 10-Q, 8-K, and Form 4 insider transactions, with AI-powered summaries of key sections.

When did MBWM file its most recent 10-K annual report?

MERCANTILE BANK CORP (MBWM) filed its most recent 10-K annual report on February 27, 2026. The 10-K includes audited financial statements, business overview, risk factors, and management discussion, all available on SignalX with AI-generated summaries and XBRL financial data.

How do I view MBWM 10-Q quarterly reports?

MERCANTILE BANK CORP (MBWM)'s most recent 10-Q quarterly report was filed on May 1, 2026. SignalX displays every MBWM 10-Q with AI-generated summaries of the MD&A (Management Discussion & Analysis) and Risk Factors sections, plus links to the original SEC EDGAR document.

What 8-K current reports has MBWM filed recently?

MERCANTILE BANK CORP (MBWM)'s most recent 8-K was filed on July 21, 2026. 8-K filings disclose material corporate events such as earnings releases, executive changes, mergers, and other significant developments. SignalX surfaces each 8-K with item-level summaries so you can quickly see what happened.

Where can I find MBWM insider trading activity (Form 4)?

SignalX aggregates every MBWM Form 4 insider transaction from SEC EDGAR. Form 4 reports show when officers, directors, and 10% shareholders buy or sell company stock, with transaction code, share count, and price per share.

How often does MBWM file with the SEC?

MERCANTILE BANK CORP (MBWM) files a 10-K annual report once per year (typically within 60 days of fiscal year-end) and 10-Q quarterly reports three times per year. 8-K current reports are filed as needed when material events occur, and Form 4 insider transaction reports are due within two business days of a trade. SignalX monitors SEC EDGAR daily to surface every new MBWM filing with AI-powered analysis.

What is the difference between 10-K, 10-Q, and 8-K SEC filings?

A 10-K is a comprehensive annual report with audited financials, business overview, and risk factors. A 10-Q is a shorter quarterly report with unaudited financials and management discussion. An 8-K is a current report filed when a material event occurs, such as earnings releases, executive changes, acquisitions, or other significant developments. SignalX provides AI-generated summaries for all three filing types for MERCANTILE BANK CORP (MBWM).

What is MBWM's SEC CIK number?

MERCANTILE BANK CORP (MBWM)'s SEC CIK (Central Index Key) number is 1042729. The CIK is a unique identifier assigned by the SEC to every filing entity. You can use CIK 1042729 to look up all MBWM filings on SEC EDGAR, or browse them here on SignalX with AI-powered analysis.

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Insider trading data, fund holdings, cross-signal detection, and AI-powered analysis for 109+ filings.