Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  Flemming John D
2. Date of Event Requiring Statement (Month/Day/Year)
05/17/2012
3. Issuer Name and Ticker or Trading Symbol
PACIFIC MERCANTILE BANCORP [PMBC]
(Last)
(First)
(Middle)
5 PARK PLACE, SUITE 950
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

IRVINE, CA 92614
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 4,201,278
I
See Footnote (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Series B-2 Convertible 8.4% Non-Cumulative Preferred Stock   (2)   (2) Common Stock 695,489 $ 5.32 I See Footnote (1)
Common Stock Purchase Warrant   (3) 04/20/2016 Common Stock 408,834 $ 6.26 I See Footnote (1)

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Flemming John D
5 PARK PLACE
SUITE 950
IRVINE, CA 92614
  X      

Signatures

Barbara Palermo 05/24/2012
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) All such shares of common stock, Series B Stock and warrants are held by Carpenter Community Bancfund, LP and Carpenter Community Bancfund-A, LP, of which Carpenter Fund Manager GP, LLC is the General Partner. John D. Flemming is a Managing Member of Carpenter Fund Manager GP, LLC and disclaims beneficial ownership of all such shares, except to the extent that Mr. Flemming has a pecuniary interest in the General Partner.
(2) The preferred stock is convertible at any time at the holder's election and has no expiration date.
(3) The warrants are not currently excercisable and would only become excercisable if the Issuer completes an acquisition of an insured depository institution or its parent having assets of $250 million or more by merger, purchase of outstanding shares or the purchase and assumption of all or substancially all of its assets and liabilities.

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