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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0001181431-11-035725
Filing Date
2011-06-08
Accepted
2011-06-08 17:04:40
Documents
1
Period of Report
2011-06-07

Document Format Files

Seq Description Document Type Size
1 STOCK OPTION EXERCISE rrd314861.html 4  
1 STOCK OPTION EXERCISE rrd314861.xml 4 19379
  Complete submission text file 0001181431-11-035725.txt   20691
Mailing Address PO BOX 3014 NAPERVILLE IL 60566-7014
Business Address 1844 FERRY RD NAPERVILLE IL 60563 6303059500
NICOR INC (Issuer) CIK: 0000072020 (see all company filings)

IRS No.: 362855175 | State of Incorp.: IL | Fiscal Year End: 1231
SIC: 4924 Natural Gas Distribution

Mailing Address NICOR INC P O BOX 3014 NAPERVILLE IL 60566-7014
Business Address
COLALILLO CLAUDIA J (Reporting) CIK: 0001205609 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-07297 | Film No.: 11901496