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CUSIP No. 68216R107  13G  Page 1 of 5 Pages 

 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION 
Washington, D.C. 20549

 

SCHEDULE 13G 

 

Under the Securities Exchange Act of 1934 

 

OmniAmerican Bancorp, Inc. 
(Name of Issuer)

 

Common Stock, par value $0.01 per share 
(Title of Class of Securities)

 

68216R107
(CUSIP Number) 

 

December 31, 2010
(Date of Event Which Requires Filing of this Statement) 

 

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

 

x Rule 13d-1(b) 
¨  Rule 13d-1(c) 
¨  Rule 13d-1(d) 

 

The information required in the remainder of this cover page shall not be deemed to be “filed” for the 
purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the 
liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see 
the Notes). 

 



CUSIP No. 68216R107  13G  Page 2 of 5 Pages 

 

1.  Name of Reporting Persons. 
  I.R.S. Identification No. of above persons (entities only). 

 

Delaware Charter Guarantee & Trust Company dba Principal Trust Company as 
Trustee for the OmniAmerican Bank Employee Stock Ownership Plan and the 
OmniAmerican Bank 401(k) Profit Sharing Plan, IRS No. 51-0099493. 

 

2.  Check the Appropriate Box if a Member of a Group: 
  (a) ¨
  (b) ¨

 

3.  SEC Use Only 

 

4.  Citizenship or Place of Organization: 
  Delaware 

 

Number of Shares Beneficially Owned by Each Reporting Person With: 
 
  5.  Sole Voting Power: 
    0 
 
Number of  6.  Shared Voting Power: 
Shares    1,055,520 
Beneficially 
Owned By  7.  Sole Dispositive Power: 
Each    0 
Reporting 
Person With:  8.  Shared Dispositive Power: 
    1,055,520 
 

 

9.  Aggregate Amount Beneficially owned by Each Reporting Person 
  1,055,520 

 

10. Check if Aggregate Amount in Row (9) Excludes Certain Shares: 
   ¨

 

11. Percent of Class Represented by Amount in Row (9): 
       8.87% 

 

12. Type of Reporting Person: 
     EP 

 



CUSIP No. 68216R107  13G  Page 3 of 5 Pages 

 

Item 1.       
 
(a) Name of Issuer:    OmniAmerican Bancorp, Inc. 
(b) Address of Issuer’s Principal Executive Offices:  1320 South University Drive 
      5th Floor 
      Fort, TX 76107-5764 
Item 2.       
 
(a) – (c) Name, Principal Business Address and Citizenship of Person Filing: 
 
Delaware Charter Guarantee & Trust Company dba Principal Trust Company as Trustee 
for the OmniAmerican Bank Employee Stock Ownership Plan and the OmniAmerican Bank 
401(k) Profit Sharing Plan     
1013 Centre Road     
Wilmington, Delaware 19805     
 
Citizenship:  Delaware     
 
(d) Title of Class of Securities:  Common Stock, par value $0.01 per share 
 
(e) CUSIP Number:  68216R107   
 
Item 3. If this statement is filed pursuant to Rule 13D-1(b) or 13D-2(b) or (c), check whether the 
person filing is a:       
 
(f) x An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); 
 
Item 4. Ownership - Provide the following information regarding the aggregate number and 
percentage of the class of securities of the issuer identified in Item 1. 
 
(a) The OmniAmerican Bank Employee Stock Ownership Plan (“ESOP Plan”) and the 
OmniAmerican 401(k) Profit Sharing Plan (“401(k) Plan”) (collectively, the “Plans”) are 
each subject to the Employee Retirement Income Security Act of 1974 (“ERISA”). Delaware 
Charter Guarantee & Trust Company dba Principal Trust Company acts as the Trustee for 
the ESOP Plan Trust and the 401(k) Plan Trust (collectively, the “Trusts”). As of December 
31, 2010, the ESOP Plan Trust held 952,200 shares of the Issuer’s common stock and the 
401(k) Plan Trust held 103,320 shares of the Issuer’s common stock for an aggregate of 
1,055,520 shares of the Issuer’s common stock. The securities reported include all shares held 
of record by the Trustee as trustee of the Trusts. The Trustee follows the directions of the 
Employer, OmniAmerican Bank (the “Employer”), or other parties designated in the trust 
agreement between the Employer and the Trustee, with respect to voting and disposition of 
shares. The Trustee, however, is subject to fiduciary duties under ERISA. The Trustee 
disclaims beneficial ownership of the shares of common stock that are the subject of this 
Schedule 13G.       

 



CUSIP No. 68216R107  13G  Page 4 of 5 Pages 

 

(b) The 1,055,520 shares of common stock represent 8.87% of the Issuer’s outstanding shares of 
common stock. The percent of class is based on shares outstanding as of December 31, 2010, 
as provided by the Issuer 
(c) Number of shares as to which such person has: 
(i)  Sole power to vote or direct the vote: 0 
(ii)  Shared power to vote or direct the vote: 1,055,520 
(iii)  Sole power to dispose or direct the disposition of: 0 
(iv)  Shared power to dispose or direct the disposition of: 1,055,520 
Item 5. Ownership of Five Percent or Less of Class 
Not Applicable 
Item 6. Ownership of More Than Five Percent on Behalf of Another Person 
Not Applicable 
Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being 
Reported on by the Parent Holding Company 
Not Applicable 
Item 8. Identification and Classification of Members of the Group 
Not Applicable 
Item 9. Notice of Dissolution of Group 
Not Applicable 
Item 10. Certification 
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 
were acquired and are held in the ordinary course of business and were not acquired and are not held 
for the purpose of or with the effect of having or influencing the control of the issuer of the securities 
and are not acquired and are not held in connection with or as a participant in any transaction having 
that purpose or effect. 

 



CUSIP No. 68216R107  13G  Page 5 of 5 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. 

 

Delaware Charter Guarantee & Trust Company 
 
 
/s/ Kristin M. Camp
Kristin M. Camp 
Vice President, Operations 
February 8, 2011