ARMSTRONG WILLIAM L 4
4 · HELMERICH & PAYNE INC · Filed May 3, 2012
Insider Transaction Report
Form 4
ARMSTRONG WILLIAM L
Director
Transactions
- Exercise/Conversion
Common Stock
2012-01-25$13.38/sh+7,358$98,415→ 17,358 total - Exercise/Conversion
Stock Option (right to buy)
2012-01-25−7,358→ 0 totalExercise: $13.38From: 2002-06-05Exp: 2012-06-05→ Common Stock (7,358 underlying)