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[ FORM 3 ] U.S. 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(f) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person
Mercantile Bancorporation Inc.
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(Last) (First) (Middle)
P.O. Box 524
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(Street)
St. Louis Missouri 63166-0524
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(City) (State) (Zip)
2. Date of Event Requiring Statement (Month/Day/Year) 10/27/96
3. IRS or Social Security Number of Reporting Person
(Voluntary) ---------------
4. Issuer Name and Ticker or Trading Symbol
Mark Twain Bancshares, Inc. (MTB)
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5. Relationship of Reporting Person to Issuer
(Check all applicable)
[ ] Director [ ] Officer [X] 10% Owner [ ] Other
(give title below) (specify below)
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6. If Amendment, Date of Original (Month/Day/Year) N/A
7. Individual or Joint/Group Filing (Check Appropriate Line)
[X] Form filed by One Reporting Person
[ ] Form filed by More than One Reporting Person
TABLE I--NON-DERIVATIVE SECURITIES BENEFICIALLY OWNED
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1. Title 2. Amount of 3. Ownership Form: 4. Nature of
of Securities Direct (D) or Indirect
Security Beneficially Indirect (I) Beneficial
(Instr. 4) Owned (Instr. (Instr. 5) Ownership
4) (Instr. 5)
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Common Stock 2,440,687 (Note 1) I Note 1
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Reminder: Report on a separate line for each class of securities
beneficially owned directly or indirectly. (Print or Type Responses)
* If the form is filed by more than one reporting person, see
Instruction 5(b)(v).
Page 1 of 3
<PAGE>
FORM 3 (continued)
TABLE II--DERIVATIVE SECURITIES BENEFICIALLY OWNED
(e.g., puts, calls, warrants, options, convertible securities)
<TABLE>
<CAPTION>
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1. Title of 2. Date 3. Title 4. Conver- 5. Owner- 6. Nature
Deriva- Exercis- and sion or ship Form of In-
tive able and Amount Exercise of Deriv- direct
Security Expira- of Price ative Benefi-
(Instr. tion Date Security of Deri- Security: ficial
4) (Month/Day/ (Instr. vative Direct (D) Owner-
Year) 4) Security or Indir- ship
ect (I) (Instr.
(Instr. 5) 5)
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Date Amount
Exer- Expira- of
cisa- tion Number
ble Date Title of Shares
<S> <C> <C> <C> <C> <C> <C>
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Common Common
Stock Note 2 Note 2 Stock 3,261,522 $42.375 D
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</TABLE>
Explanation of Responses:
**Intentional misstatements or omissions of facts constitute
Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C.
78ff(a).
Note: File three copies of this Form, one of which must be
manually signed. If space provided is insufficient, See
Instruction 6 for procedure.
Potential persons who are to respond to the collection of
information contained in this form are not required to respond
unless the form displays a currently valid OMB Number.
/s/ Jon W. Bilstrom 11/6/96
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**Signature of Reporting Person Date
By: Jon W. Bilstrom
Title: Secretary and General Counsel
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<PAGE>
REPORTING PERSON: Mercantile Bancorporation, Inc.
ISSUER: Mark Twain Bancshares, Inc.
DATE OF EVENT REQUIRING STATEMENT: October 27, 1996
NOTES TO FORM 3
Note 1: Certain officers and directors of Issuer, who in the
aggregate have voting power over approximately 14.9% of the
outstanding common stock of Issuer executed Support Agreements
pursuant to which such officers and directors have agreed to
vote all such shares to approve the merger of Issuer with and
into a wholly owned subsidiary of Reporting Person (the
"Merger") and not to sell any of such shares other than
pursuant to the Merger without Reporting Person's consent. A
list of the officers and directors executing the Support
Agreements and a form of Support Agreement are attached as
Exhibits to Reporting Person's Schedule 13D filed with respect
to Issuer with the SEC on November 6, 1996. Reporting Person
disclaims beneficial ownership of these securities and this
report shall not be deemed an admission that Reporting Person
is the beneficial owner of such securities for purposes of
Section 16 or any other purpose.
Note 2: The Option is exercisable only upon the occurrence of
certain events described in a stock option agreement, dated
October 27, 1996, between Reporting Person and Issuer (the
"Stock Option Agreement") and expires upon the occurrence of
certain events described in the Stock Option Agreement. A
copy of the Stock Option Agreement is attached as an Exhibit
to Reporting Person's Current Report on Form 8-K filed with
the SEC on November 6, 1996. Reporting Person disclaims
beneficial ownership of these securities and this report shall
not be deemed an admission that Reporting Person is the
beneficial owner of such securities for purposes of Section 16
or any other purpose.
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