1 Form 10-QSB/A SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ------------------- [X] QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 1996 OR [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to ----------- ------------ Commission file number 0-18599 BLACKHAWK BANCORP, INC. (Exact name of registrant as specified in its charter) Wisconsin 39-1659424 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 400 Broad Street 53511 Beloit, Wisconsin (Zip Code) (Address of principal executive offices) (608) 364-8911 (Registrant's telephone number, including area code) Not Applicable (Former name, former address and former fiscal year, if changed since last report) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months, and (2) has been subject to such filing re- quirements for the past 90 days. YES X NO Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the latest practicable date. Outstanding at Class of Common Stock June 30, 1996 --------------------- ---------------- $.01 par value 2,285,364 shares 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the reg- istrant has duly caused this report to be signed on its behalf by the under- signed thereunto duly authorized. Blackhawk Bancorp, Inc. ----------------------- (Registrant) Date: August 14, 1996 /s/ Dennis M. Conerton -------------------------- President and Chief Executive Officer Date: August 14, 1996 /s/ Jesse L. Calkins --------------------------- Senior Vice Presiden (Chief Financial and Accounting Officer)