SEC FORM 4

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

STONE SAMUEL G

(Last)

(First)

(Middle)

C/O MERCANTILE BANK CORPORATION

310 LEONARD STREET

(Street)

GRAND RAPIDS

49504

(City)

(State)

(Zip)

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)
	EXECUTIVE VICE PRESIDENT

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2014

4. If Amendment, Date of Original Filed (Month/Day/Year)

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. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	06/01/2014		A		2,000	A	⁽¹⁾	2,000	D
Common Stock	06/01/2014		A		3,745	A	⁽²⁾	3,745	I	by Trust
Common Stock	06/01/2014		A		28,942	A	⁽³⁾	$28,942	I	by 401K

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Employee Stock Option (Common Stock - right to buy)	$24.4639	06/01/2014		A		1,447		06/01/2014	11/22/2014	Common Stock	1,447	⁽⁴⁾	1,447	D
Employee Stock Option (Common Stock - right to buy)	$22.8662	06/01/2014		A		1,378		06/01/2014	11/28/2015	Common Stock	1,378	⁽⁵⁾	1,378	D
Employee Stock Option (Common Stock - right to buy)	$22	06/01/2014		A		1,312		06/01/2014	11/27/2016	Common Stock	1,312	⁽⁶⁾	1,312	D
Employee Stock Option (Common Stock - right to buy)	$16	06/01/2014		A		4,500		06/01/2014	12/03/2017	Common Stock	4,500	⁽⁷⁾	4,500	D
Employee Stock Option (Common Stock - right to buy)	$7.8	06/01/2014		A		4,500		06/01/2014	11/24/2018	Common Stock	4,500	⁽⁸⁾	4,500	D

Explanation of Responses:

1. Received in exchange for 2,000 shares of Firstbank Corporation common stock in connection with the merger of Firstbank Corporation into Mercantile Bank Corporation (the "Merger"). On the effective date of the Merger, the closing price of Firstbank's common stock was $21.59 per share and the closing price of Mercantile's common stock was $21.43 per share.

2. Received in exchange for 3,745 shares of Firstbank Corporation common stock in connection with the Merger.

3. Received in exchange for 28,942 shares of Firstbank Corporation common stock in connection with the Merger.

4. Received in the Merger in exchange for an employee stock option to acquire 1,447 shares of Firstbank Corporation common stock for $24.4639 per share.

5. Received in the Merger in exchange for an employee stock option to acquire 1,378 shares of Firstbank Corporation common stock for $22.8662 per share.

6. Received in the Merger in exchange for an employee stock option to acquire 1,312 shares of Firstbank Corporation common stock for $22.00 per share.

7. Received in the Merger in exchange for an employee stock option to acquire 4,500 shares of Firstbank Corporation common stock for $16.00 per share.

8. Received in the Merger in exchange for an employee stock option to acquire 4,500 shares of Firstbank Corporation common stock for $7.80 per share.

	/s/ Samuel G. Stone	06/03/2014
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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