FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      
1. Name and Address of Reporting Person * CHRISTMAS CHARLES E 2. Issuer Name and Ticker or Trading Symbol MERCANTILE BANK CORP [ MBWM ] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable)_____ Director                    _____ 10% Owner
__X__ Officer (give title below)    _____ Other (specify below)
EVP AND CFO
(Last)         (First)         (Middle)
C/O MERCANTILE BANK CORPORATION, 310 LEONARD ST.
3. Date of Earliest Transaction (MM/DD/YYYY)
11/21/2019
(Street)
GRAND RAPIDS, MI 49504
(City)       (State)       (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)
 
6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock  11/21/2019    A    4780 (1) A $0  41593  D 
 
Common Stock                 402 (2) I  By spouse 
Common Stock                 37343 (3) I  401(k) Plan 
Common Stock                 1659 (3) I  401(k) Plan for spouse 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Employee Stock Option (right to buy)  $22.15                  11/13/2016  11/12/2021  Common Stock  1000    1000  D 
 
Employee Stock Option (right to buy)  $27.66                  11/19/2017  11/18/2022  Common Stock  1000    1000  D 
 
Employee Stock Option (right to buy)  $36.22                  11/17/2018  11/16/2023  Common Stock  1000    1000  D 
 

Explanation of Responses:
(1)  This award of shares is being made pursuant to the Issuer's performance-based restricted stock award agreement, such that a portion or all of this award of restricted stock may be forfeited in the future if certain performance metrics are not met.
(2)  Includes shares acquired since last report of common stock ownership by reinvesting cash dividends under the issuer's dividend reinvestment plan.
(3)  Includes shares acquired pursuant to the issuer's 401(k) Plan since last report of common stock ownership.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
CHRISTMAS CHARLES E
C/O MERCANTILE BANK CORPORATION
310 LEONARD ST.
GRAND RAPIDS, MI 49504


EVP AND CFO

Signatures
/s/ Bradley J. Wyatt, Attorney-in-Fact 11/25/2019
**Signature of Reporting Person Date
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