BIRDSONG JERRE E 4
4 · AMEREN CORP · Filed Feb 29, 2012
Insider Transaction Report
Form 4
AMEREN CORPAEE
BIRDSONG JERRE E
Vice President and Treasurer
Transactions
- Tax Payment
Common Stock, $.01 Par Value
2012-02-28$31.97/sh−1,230$39,323→ 12,611 total - Exercise/Conversion
Common Stock, $.01 Par Value
2012-02-28+2,054→ 14,665 total
Holdings
- 2,366(indirect: By 401(k))
Common Stock, $.01 Par Value
- 2,341
Performance Units
→ Common Stock (2,341 underlying)
Footnotes (2)
- [F1]Sold to cover Mr. Birdsong's tax liability for acquiring performance shares that have vested.
- [F2]Each performance unit represents a contingent right to receive one share of Ameren common stock. The performance units vest after a two year holding period.