ISENBERG EUGENE M
Insider
First SEC filing: Feb. 10, 2011 · Latest: Feb. 10, 2011
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| Jan. 20, 2012 | NBR | M | 3,800,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 20, 2012 | NBR | F | 3,299,527 | $17.01 | $56,124,954 | 8,082,484 Direct | -28.99% | Disposed | -90.2% (price as of 2026-10-05) |
| Jan. 20, 2012 | NBR | M | 3,800,000 | $13.52 | $51,376,000 | 11,382,011 Direct | +50.12% | Acquired | -87.7% (price as of 2026-10-05) |
| Dec. 2, 2010 | NBR | M | 2,000,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Dec. 2, 2010 | NBR | F | 1,980,491 | $23.13 | $45,808,757 | 7,963,611 Direct | -19.92% | Disposed | -92.8% (price as of 2026-10-05) |
| Dec. 2, 2010 | NBR | M | 2,000,000 | $22.78 | $45,560,000 | 9,944,102 Direct | +25.18% | Acquired | -92.7% (price as of 2026-10-05) |
| March 23, 2010 | NBR | M | 225,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 23, 2010 | NBR | F | 222,124 | $19.39 | $4,306,984 | 7,944,102 Direct | -2.72% | Disposed | -91.4% (price as of 2026-10-05) |
| March 23, 2010 | NBR | M | 225,000 | $19.00 | $4,275,000 | 8,166,226 Direct | +2.83% | Acquired | -91.2% (price as of 2026-10-05) |
| Feb. 25, 2009 | NBR | A | 3,000,000 | $9.87 | $29,610,000 | 3,000,000 Direct | · | Acquired | -83.1% (price as of 2026-10-05) |
| Dec. 31, 2008 | NBR | F | 27,976 | $11.55 | $323,123 | 7,941,226 Direct | -0.35% | Disposed | -85.6% (price as of 2026-10-05) |
| Oct. 23, 2008 | NBR | A | 2,078,900 | · | · | 7,969,202 Direct | +35.29% | Acquired | (price as of 2026-10-05) |
| Oct. 23, 2008 | NBR | A | 2,606,452 | · | · | 8,496,754 Direct | +44.25% | Acquired | (price as of 2026-10-05) |
| Sept. 30, 2008 | NBR | F | 27,977 | $23.26 | $650,745 | 5,890,302 Direct | -0.47% | Disposed | -92.8% (price as of 2026-10-05) |
| June 30, 2008 | NBR | F | 27,976 | $49.41 | $1,382,294 | 5,918,279 Direct | -0.47% | Disposed | -96.6% (price as of 2026-10-05) |
| March 31, 2008 | NBR | F | 27,766 | $33.39 | $927,107 | 5,946,255 Direct | -0.46% | Disposed | -95.0% (price as of 2026-10-05) |
| Feb. 29, 2008 | NBR | F | 24,105 | $32.47 | $782,689 | 5,974,021 Direct | -0.40% | Disposed | -94.9% (price as of 2026-10-05) |
| Feb. 24, 2008 | NBR | F | 24,105 | $30.90 | $744,844 | 5,998,126 Direct | -0.40% | Disposed | -94.6% (price as of 2026-10-05) |
| Feb. 22, 2008 | NBR | A | 921,100 | · | · | 6,022,231 Direct | +18.06% | Acquired | (price as of 2026-10-05) |
| Jan. 31, 2008 | NBR | F | 76,908 | $26.78 | $2,059,596 | 5,101,131 Direct | -1.49% | Disposed | -93.8% (price as of 2026-10-05) |
| Sept. 11, 2007 | NBR | M | 4,872,678 | $23.25 | $113,289,764 | 0 Direct | -100.00% | Disposed | -92.8% (price as of 2026-10-05) |
| Sept. 11, 2007 | NBR | F | 4,142,812 | $30.42 | $126,024,341 | 5,178,039 Direct | -44.45% | Disposed | -94.5% (price as of 2026-10-05) |
| Sept. 11, 2007 | NBR | M | 4,872,678 | $23.25 | $113,289,764 | 9,320,851 Direct | +109.54% | Acquired | -92.8% (price as of 2026-10-05) |
| Jan. 31, 2007 | NBR | A | 699,637 | $30.28 | $21,185,008 | 4,448,173 Direct | +18.66% | Acquired | -94.5% (price as of 2026-10-05) |
| Feb. 28, 2006 | NBR | A | 100,000 | $65.95 | $6,595,000 | 1,874,268 Direct | +5.64% | Acquired | -95.0% (price as of 2026-10-05) |
| Dec. 5, 2005 | NBR | A | 1,333,333 | $71.61 | $95,479,976 | 1,333,333 Direct | · | Acquired | -95.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 573,693 | $12.50 | $7,171,162 | 2,347,961 Direct | +32.33% | Acquired | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 300,000 | $12.50 | $3,750,000 | 2,647,961 Direct | +12.78% | Acquired | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 733,246 | $12.50 | $9,165,575 | 3,381,207 Direct | +27.69% | Acquired | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 435,750 | $12.50 | $5,446,875 | 3,816,957 Direct | +12.89% | Acquired | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 966,051 | $12.50 | $12,075,638 | 4,783,008 Direct | +25.31% | Acquired | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 337,500 | $12.50 | $4,218,750 | 5,120,508 Direct | +7.06% | Acquired | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 1,500,000 | $24.75 | $37,125,000 | 6,620,508 Direct | +29.29% | Acquired | -86.6% (price as of 2026-10-05) |
| March 16, 2005 | NBR | S | 4,846,240 | $56.18 | $272,261,763 | 1,774,268 Direct | -73.20% | Disposed | -94.1% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 435,750 | $12.50 | $5,446,875 | 0 Direct | -100.00% | Disposed | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 573,693 | $12.50 | $7,171,162 | 0 Direct | -100.00% | Disposed | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 300,000 | $12.50 | $3,750,000 | 0 Direct | -100.00% | Disposed | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 733,246 | $12.50 | $9,165,575 | 0 Direct | -100.00% | Disposed | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 966,051 | $12.50 | $12,075,638 | 0 Direct | -100.00% | Disposed | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 337,500 | $12.50 | $4,218,750 | 0 Direct | -100.00% | Disposed | -73.4% (price as of 2026-10-05) |
| March 16, 2005 | NBR | M | 1,500,000 | $24.75 | $37,125,000 | 0 Direct | -100.00% | Disposed | -86.6% (price as of 2026-10-05) |
| Feb. 24, 2005 | NBR | A | 350,000 | $57.65 | $20,177,500 | 350,000 Direct | · | Acquired | -94.2% (price as of 2026-10-05) |
| Feb. 24, 2005 | NBR | A | 100,000 | $57.65 | $5,765,000 | 1,774,268 Direct | +5.97% | Acquired | -94.2% (price as of 2026-10-05) |
| Feb. 20, 2004 | NBR | A | 950,000 | $45.91 | $43,614,500 | 950,000 Direct | · | Acquired | -92.8% (price as of 2026-10-05) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.
Derivative holdings (Form 4 Table II) Options, RSUs and convertible securities reported on Form 4 Table II.
| Date | Ticker | Security | Underlying | Exercise price | Expiration | Shares | A/D |
|---|---|---|---|---|---|---|---|
| Jan. 20, 2012 | NBR | Stock Options (Right to Buy) | Common Stock | $13.52 | Jan. 22, 2012 | 3,800,000 | Disposed |
| Dec. 2, 2010 | NBR | Stock Options (Right to Buy) | Common Stock | $22.78 | Dec. 4, 2010 | 2,000,000 | Disposed |
| March 23, 2010 | NBR | Stock Options (Right to Buy) | Common Stock | $19.00 | March 23, 2010 | 225,000 | Disposed |
| Feb. 25, 2009 | NBR | Stock Options (Right to Buy) | Common Stock | $9.87 | Feb. 25, 2019 | 3,000,000 | Acquired |
| Sept. 11, 2007 | NBR | Stock Options (Right to buy) | Common Stock | $23.25 | Sept. 11, 2007 | 4,872,678 | Disposed |
| Dec. 5, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $71.61 | Dec. 5, 2015 | 1,333,333 | Acquired |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $12.50 | Dec. 12, 2006 | 435,750 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $12.50 | Jan. 9, 2008 | 573,693 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $12.50 | Dec. 12, 2006 | 300,000 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $12.50 | July 22, 2007 | 733,246 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $12.50 | Jan. 9, 2008 | 966,051 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $12.50 | Dec. 12, 2006 | 337,500 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $24.75 | Dec. 7, 2009 | 1,500,000 | Disposed |
| Feb. 24, 2005 | NBR | Stock Options (Right to buy) | Common Stock | $57.65 | Feb. 24, 2015 | 350,000 | Acquired |
| Feb. 20, 2004 | NBR | Stock Options (Right to buy) | Common Stock | $45.91 | Feb. 20, 2014 | 950,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).