0001179110-12-005319.txt : 20120319 0001179110-12-005319.hdr.sgml : 20120319 20120319171801 ACCESSION NUMBER: 0001179110-12-005319 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120315 FILED AS OF DATE: 20120319 DATE AS OF CHANGE: 20120319 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Case Gregory C CENTRAL INDEX KEY: 0001322803 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-07933 FILM NUMBER: 12701428 MAIL ADDRESS: STREET 1: C/O AON CORPORATE LAW DEPT STREET 2: 200 EAST RANDOLPH ST, 8TH FL CITY: CHICAGO STATE: IL ZIP: 60601 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: AON CORP CENTRAL INDEX KEY: 0000315293 STANDARD INDUSTRIAL CLASSIFICATION: INSURANCE AGENTS BROKERS & SERVICES [6411] IRS NUMBER: 363051915 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 200 EAST RANDOLPH STREET CITY: CHICAGO STATE: IL ZIP: 60601 BUSINESS PHONE: 3123811000 MAIL ADDRESS: STREET 1: 200 EAST RANDOLPH STREET CITY: CHICAGO STATE: IL ZIP: 60601 FORMER COMPANY: FORMER CONFORMED NAME: COMBINED INTERNATIONAL CORP DATE OF NAME CHANGE: 19870504 4 1 edgar.xml FORM 4 - X0304 4 2012-03-15 0 0000315293 AON CORP AON 0001322803 Case Gregory C AON CORPORATION - CORPORATE LAW DEPT 200 EAST RANDOLPH STREET, 8TH FLOOR CHICAGO IL 60601 1 1 0 0 President & CEO Common Stock 2012-02-29 5 G 0 E 5000 0 D 559198 D Common Stock 2012-03-15 4 M 0 82364 41.365 A 641562 D Common Stock 2012-03-15 4 S 0 82364 48.95 D 559198 D Common Stock 2012-03-16 4 M 0 8203 41.365 A 567401 D Employee Stock Option (Right to Buy) 41.365 2012-03-15 4 M 0 82364 D 2012-03-17 Common Stock 82364 8203 D Employee Stock Option (Right to Buy) 41.365 2012-03-16 4 M 0 8203 D 2012-03-17 Common Stock 8203 0 D The transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 8, 2012. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $48.775 to $49.09, inclusive. The reporting person undertakes to provide to Aon Corporation, or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Vesting occurred in accordance with the terms of the Aon Stock Incentive Plan as follows: 33.34% of the options vested on the first anniversary of the date of grant, and 33.33% of the options vested on each of the second and third anniversaries of the date of grant. Stock option granted pursuant to the Aon Stock Incentive Plan. /s/ Matthew M. Rice - Matthew M. Rice pursuant to a power of attorney from Gregory C. Case 2012-03-19