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AMEREN CORP·4

Aug 18, 9:32 AM ET

WILLIS SAMUEL E 4

4 · AMEREN CORP · Filed Aug 18, 2004

Insider Transaction Report

Form 4

Period: 2004-08-17

WILLIS SAMUEL E

Other

Transactions

Exercise/Conversion
Common Stock, $.01 Par Value
2004-08-17$36.63/sh+7,700$282,013→ 16,848 total
Sale
Common Stock, $.01 Par Value
2004-08-17$45.76/sh−6,690$306,134→ 10,158 total
Exercise/Conversion
Stock Option
2004-08-17$45.76/sh−7,700$352,352→ 16,625 total
Exercise: $36.63From: 2001-02-12Exp: 2009-02-12→ Common Stock, $.01 Par Value (7,700 underlying)

Holdings

Stock Option
Exercise: $36.63From: 2001-02-12Exp: 2009-02-12→ Common Stock, $.01 Par Value (7,700 underlying)
20,800
Stock Option
Exercise: $38.50From: 1999-02-10Exp: 2007-02-10→ Common Stock, $.01 Par Value (3,400 underlying)
3,400
Common Stock, $.01 Par Value
(indirect: By ESOP)
2,246
Stock Option
Exercise: $31.00From: 2002-02-11Exp: 2010-02-11→ Common Stock, $.01 Par Value (3,525 underlying)
24,325
Stock Option
Exercise: $39.25From: 2000-04-28Exp: 2008-04-28→ Common Stock, $.01 Par Value (9,700 underlying)
13,100
Common Stock, $.01 Par Value
(indirect: By 401(k))
1,659

Footnotes (1)

[F1]Held in name of spouse, and the undersigned disclaims any beneficial interest in such shares.

Documents

1 file

4
edgar.xmlPrimary
PRIMARY DOCUMENT