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 *
  Kniff-McCulla Barbara J
 2. Date of Event Requiring Statement (Month/Day/Year)
12/10/2010		 3. Issuer Name and Ticker or Trading Symbol
MidWestOne Financial Group, Inc. [MOFG]
(Last)
(First)
(Middle)
102 S. CLINTON STREET		 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)

IOWA CITY, IA 52240		 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 1,898
D
 
Common Stock 250
I
Held in revocable grantor trust

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
Stock Option (Right to Buy)   (1) 04/29/2015 Common Stock 769 $ 18.49 D  
Stock Option (Right to Buy)   (1) 04/28/2016 Common Stock 950 $ 20.08 D  
Stock Option (Right to Buy)   (1) 04/26/2017 Common Stock 950 $ 18.06 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Kniff-McCulla Barbara J
102 S. CLINTON STREET
IOWA CITY, IA 52240		   X      

Signatures

Kenneth R. Urmie, under Power of Attorney dated December 15, 2010 12/17/2010
**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) Options fully vested upon the merger of "OSKY" into "MOFG" on March 14, 2008. OSKY was old MidWestOne Financial Group, Inc. (Oskaloosa, Iowa) and MOFG is "new" MidWestOne Financial Group, Inc. (Iowa City, Iowa, and formerly known as ISB Financial Corp. prior to its name change at merger date.)

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

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