Filing Details

Accession Number:
0001127602-11-033001
Form Type:
4
Zero Holdings:
No
Publication Time:
2011-12-21 15:15:55
Reporting Period:
2011-12-21
Filing Date:
2011-12-21
Accepted Time:
2011-12-21 15:15:55
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
352541 Alliant Energy Corp LNT Electric & Other Services Combined (4931) 391380265
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1209092 L Thomas Aller Po Box 14720
Madison WI 53708-0720
Senior Vice President No Yes No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Common Stock Acquisiton 2011-12-21 14,738 $16.82 27,566 No 4 M Direct
Common Stock Disposition 2011-12-21 14,738 $43.11 12,828 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Common Stock Employee Stock Option (Right to Buy) Disposition 2011-12-21 14,738 $0.00 14,738 $16.82
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
0 2006-01-21 2013-01-21 No 4 M Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Common Stock 4,821 Indirect By 401(k) Plan
Common Stock 1,000 Indirect Spouse With Broker
Reported Derivative Holdings
Sec. Name Sec. Type Price Date Expiration Date Amount Remaning Holdings Nature of Ownership
Common Stock Deferred Common Stock $0.00 8,844 8,844 Direct
Expiration Date Amount Remaning Holdings Nature of Ownership
8,844 8,844 Direct
Footnotes
  1. Reflects 401(k) holdings as of this filing date.
  2. Units are to be settled upon reporting person's retirement.