Edgar Filing: MERCANTILE BANK CORP

Ownership Submission

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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

LARSEN LAWRENCE W

2. Issuer Name and Ticker or Trading Symbol
MERCANTILE BANK CORP [MBWM]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

__X__ Director	_____ 10% Owner
_____ Officer (give title below)	_____ Other (specify below)

(Last)

(First)

(Middle)

CENTRAL INDUSTRIAL SUPPLY, 2916 WALKENT DRIVE NW

3. Date of Earliest Transaction (Month/Day/Year)
07/20/2007

(Street)

GRAND RAPIDS, MI 49504

4. If Amendment, Date 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

(City)

(State)

(Zip)

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	07/20/2007		S		1,678.461 ⁽¹⁾	D	$ 20.43	0	I	Jet Products, Inc. Profit Sharing Trust ⁽²⁾
Common Stock								2,955.668 ⁽³⁾	D
Common Stock								22,109 ⁽⁴⁾	I	By spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 Underlying Securities
(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

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
LARSEN LAWRENCE W CENTRAL INDUSTRIAL SUPPLY 2916 WALKENT DRIVE NW GRAND RAPIDS, MI 49504	X

Signatures

/s/ Jerome M. Schwartz Attorney-in-fact		07/23/2007
^**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	These shares were held by Jet Products, Inc. Profit Sharing Plan #2, for which Mr. Larsen is the trustee, and one of the beneficiaries. Mr. Larsen disclaims beneficial ownership of these shares, except to the extent of his pecuniary interest in the shares.
(2)	Mr. Larsen is the trustee, and one of the beneficiaries of the Jet Products, Inc. Profit Sharing Plan #2. Mr. Larsen disclaims beneficial ownership of the shares held by this trust, except to the extent of his pecuniary interest in the shares.
(3)	This share amount includes shares Mr. Larsen acquired since his last report of common stock ownership pursuant to the issuer's 5% stock dividends paid on May 4, 2007 and in certain prior years.
(4)	Includes approximately 18,089 shares received on or about June 19, 2006 as a gift from Mr. Larsen to his spouse. This share amount also includes shares acquired by Mr. Larsen's spouse since Mr. Larsen's last report of common stock ownership, pursuant to the issuer's 5% stock dividends paid on May 4, 2007 and in certain prior years.

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