SEC CIK 904216

ISENBERG EUGENE M

Reported ownership across 1 company, sourced from SEC Form 4 filings and updated daily.

Current Positions

CompanyShares OwnedAs Of
NBRview stock →8,082,4842012-01-20

Position History — NBR

Reported shares owned immediately after each Form 4 transaction, over time.

03,794,0047,588,00711,382,0112006-022007-092008-022008-062008-102010-032012-012012-01

Recent Filings — NBR

DateActivitySharesPriceOwned After
2012-01-20Option exercise (derivative)3,800,000$0.000
2012-01-20Tax withholding3,299,527$17.018,082,484
2012-01-20Option exercise3,800,000$13.5311,382,011
2010-12-02Option exercise (derivative)2,000,000$0.000
2010-12-02Option exercise2,000,000$22.789,944,102
2010-12-02Tax withholding1,980,491$23.137,963,611
2010-03-23Option exercise (derivative)225,000$0.000
2010-03-23Tax withholding222,124$19.397,944,102
2010-03-23Option exercise225,000$19.008,166,226
2009-02-25Grant / award (derivative)3,000,000$9.873,000,000
2008-12-31Tax withholding27,976$11.557,941,226
2008-10-23Grant / award2,078,900$0.007,969,202
2008-10-23Grant / award2,606,452$0.008,496,754
2008-09-30Tax withholding27,977$23.265,890,302
2008-06-30Tax withholding27,976$49.415,918,279
2008-03-31Tax withholding27,766$33.395,946,255
2008-02-29Tax withholding24,105$32.475,974,021
2008-02-24Tax withholding24,105$30.905,998,126
2008-02-22Grant / award921,100$0.006,022,231
2008-01-31Tax withholding76,908$26.785,101,131
2007-09-11Option exercise (derivative)4,872,678$23.250
2007-09-11Tax withholding4,142,812$30.425,178,039
2007-09-11Option exercise4,872,678$23.259,320,851
2007-01-31Grant / award699,637$30.284,448,173
2006-02-28Grant / award100,000$65.951,874,268

Source: SEC EDGAR Form 4 filings. For informational purposes only — not investment advice.