MERCANTILE BANK CORP

Major Shareholding Notification • Jan 17, 2008

SC 13G/A 1 merb1231f.htm MERCANTILE BANK CORPORATION html PUBLIC "-//w3c//dtd html 4.0 transitional//en" MERCANTILE BANK CORPORATION

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

SCHEDULE 13G/A

(Rule 13d-102)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT

TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED

PURSUANT TO RULE 13d-2(b)

( AMENDMENT 3)

MERCANTILE BANK CORPORATION

( NAME OF ISSUER )

COMMON STOCK

(Title of Class of Securities)

587376104

(CUSIP Number)

DECEMBER 31,2007

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1 (c)
Rule 13d-1 (d)

CUSIP No. 587376104 13G/A Page 1 of 3 pages

1.
I.R.S.
IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)	13-2624428

2.
(b)

1. SEC USE ONLY

4.
Delaware

| NUMBER OF | 5. | SOLE
VOTING POWER | 209,831 |
| --- | --- | --- | --- |
| SHARES | | | |
| BENEFICIALLY | 6. | SHARED
VOTING POWER | 0 |
| OWNED BY | | | |
| EACH | 7. | SOLE
DISPOSITIVE POWER | 209,831 |
| REPORTING | | | |
| PERSON WITH | 8. | SHARED
DISPOSITIVE POWER | 0 |

9.
209,831

10.
CERTAIN SHARES

11.
2.4%

1. TYPE OF REPORTING PERSON* HC

| Item
1(a). |
| --- |
| MERCANTILE
BANK CORPORATION |

| Item
1(b). |
| --- |
| 310
LEONARD STREET, NW GRAND RAPIDS,
MI 49504 |

| Item
2(a). |
| --- |
| JPMorgan
Chase & Co. |

| Item
2(b). |
| --- |
| 270 PARK
AVE |
| NEW YORK,
NY 10017 |

| Item
2(c). |
| --- |
| Delaware |

| Item
2(d). |
| --- |
| COMMON
STOCK |
| Unless otherwise noted,
security being reported is common stock |

Item 2(e). CUSIP Number: 587376104

| Item
3 |
| --- |
| Or
(c), Check Whether the Person Filing is a : |

| (a) | | Broker or dealer registered
under Section 15 of the Exchange Act; |
| --- | --- | --- |
| (b) | | Bank as defined in
Section 3(a)(6) of the Exchange Act; |
| (c) | | Insurance company as
defined in Section 3(a)(19) of the |
| | | Exchange Act; |
| (d) | | Investment company
registered under Section 8 of the Investment |
| | | Company Act; |
| (e) | | An investment adviser
in accordance with Rule 13d-1(b)(1)(ii)(E); |
| (f) | | An employee benefit
plan or endowment fund in accordance with |
| | | Rule 13d-1(b)(1)(ii)(F); |
| (g) | X | A parent holding company
or control person in accordance with |
| | | Rule 13d-1(b)(1)(ii)(G); |
| (h) | | A savings association
as defined in Section 3(b) of the Federal |
| | | Deposit Insurance Act; |
| (i) | | A church plan that
is excluded from the definition of an |
| | | Investment company
under Section 3(c)(14) of the Investment |
| | | Company act; |
| (j) | | Group, in accordance
with Rule 13d-1(b)(1)(ii)(J). |

If this statement is filed pursuant to Rule 13d-1(b), check this box. X

Page 2 of 3 pages

ITEM 4. Ownership

| Provide
the following information regarding the aggregate number and | | | |
| --- | --- | --- | --- |
| Percentage
of the class of securities of issuer identified in Item 1. | | | |
| (a) | Amount
beneficially owned: 209,831 | | |
| | Including 0 shares where there is a Right to Acquire. | | |
| (b) | Percent
of class: 2.4% | | |
| (c) | Number
of shares as to which such person has: | | |
| | (i) | Sole power to vote or to
direct the vote: | 209,831 |
| | (ii) | Shared power to vote or
to direct the vote: | 0 |
| | (iii) | Sole power to dispose or
to direct the disposition of: | 209,831 |
| | (iv) | Shared power to dispose
or to direct the disposition of: | 0 |

ITEM 5. Ownership of Five Percent or Less of a Class. YES

| If this statement
is being filed to report the fact that as of the date |
| --- |
| hereof the reporting
person has ceased to be the beneficial owner of more |
| than five percent
of the class of securities, check the following. ( X ) |

ITEM 6. Ownership of More than Five Percent on Behalf of Another Person.

| JPMorgan
Chase & Co. is the beneficial owner of 209,831 shares of the |
| --- |
| issuer's
common stock on behalf of other persons known to have one or more of |
| the following: |
| the
right to receive dividends for such securities; |
| the
power to direct the receipt of dividends from such securities; |
| the
right to receive the proceeds from the sale of such securities; |
| the
right to direct the receipt of proceeds from the sale of such securities; |
| No such
person is known to have an interest in more than 5% of the class of |
| securities
reported herein unless such person is identified below. |

| Item
7. |
| --- |
| Security
being reported on by the Parent Holding Company. |
| This
notice is filed on behalf of JPMorgan Chase & Co. and its wholly owned |
| Subsidiary
(ies), |
| JPMorgan
Chase Bank, National Association |
| J.P.
Morgan Investment Management Inc. |
| J.P.
Morgan Trust Company, National Association |
| JPMorgan
Investment Advisors Inc. |

| Item
8. |
| --- |
| Not Applicable |

| Item
9. |
| --- |
| Not Applicable |

ITEM 10. Certifications

| By signing below
I certify that, to the best of my knowledge and belief, |
| --- |
| the securities referred
to above were not acquired and are not held for the |
| purpose of or with
the effect of changing or influencing the control of the |
| issuer of the securities
and were not acquired and are not held in connection |
| with or as a participant
in any transaction having that purpose or effect. |

Page 3 of 3 pages

SIGNATURE
After reasonable inquiry and to
the best of my knowledge and belief, I certify that the
information set forth in this statement
is true, complete and correct.

Dated: JANUARY 17,2008
By: /s/ Margaret R. Rubin
--------------------------------------
Margaret R. Rubin
Corporate Compliance

| The original statement shall be
signed by each person on whose behalf the statement |
| --- |
| is filed or his authorized representative.
If the statement is signed on behalf of |
| a person by his authorized representative
(other than an executive officer or general |
| partner of the filing person),
evidence of the representative's authority to sign on |
| behalf of such person shall be
filed with the statement, provided, however, that a |
| power of attorney for this purpose
which is already on file with the commission may |
| be incorporated by reference. The
name and any title of each person who signs the |
| the statement shall be typed or
printed beneath his signature. |