<PAGE>
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
(AMENDMENT NO. 1 )*
------
Princeton National Bancorp, Inc.
----------------------------------
(Name of Issuer)
Common Stock
----------------------------------
(Title of Class of Securities)
742282106
----------------------------------
(CUSIP Number)
Check the following box if a fee is being paid with this statement / /. (A
fee is not required only if the filing person: (1) has a previous statement
on file reporting beneficial ownership of more than five percent of the class
of securities described in Item 1; and (2) has filed no amendment subsequent
thereto reporting beneficial ownership of five percent or less of such
class.) (See Rule 13d-7).
*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which
would alter the disclosures provided in a prior page.
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).
Page 1 of 8 Pages
<PAGE>
CUSIP No. 742282106 13G Page 1 of 1 Pages
- -------------------------------------------------------------------------------
(1) NAME OF REPORTING PERSON
S.S. or I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON
JESCO & CO 36-6538241 as nominee of
Citizens First National Bank of Princeton, IL 36-0917979
- -------------------------------------------------------------------------------
(2) CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) / /
(b) / /
- -------------------------------------------------------------------------------
(3) SEC USE ONLY
- -------------------------------------------------------------------------------
(4) CITIZENSHIP OR PLACE OF ORGANIZATION
U.S.A.
- -------------------------------------------------------------------------------
(5) SOLE VOTING POWER
NUMBER OF 110,969
SHARES --------------------------------------------------
BENEFICIALLY (6) SHARED VOTING POWER
OWNED BY 27,488
EACH --------------------------------------------------
REPORTING (7) SOLE DISPOSITIVE POWER
PERSON 110,969
WITH --------------------------------------------------
(8) SHARED DISPOSITIVE POWER
27,488
- -------------------------------------------------------------------------------
(9) AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
138,457
- -------------------------------------------------------------------------------
(10) CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
- -------------------------------------------------------------------------------
(11) PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
5.17%
- -------------------------------------------------------------------------------
(12) TYPE OF REPORTING PERSON*
BK
- -------------------------------------------------------------------------------
*SEE INSTRUCTION BEFORE FILLING OUT!
Page 2 of 8 pages