Bruce Koch
CIK 1195673 · View on SEC EDGAR ↗
Insider
First SEC filing: April 3, 2009 · Latest: April 3, 2009
On this page
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net:
$0
+ 10 non-open-market transactions below
last 12 months, based on the transactions shown below
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
10 other filings hidden
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| March 3, 2008 | NBR | S | 100 | $31.74 | $3,174 | 58,008 Direct | -0.17% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 800 | $31.73 | $25,384 | 58,108 Direct | -1.36% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,200 | $31.72 | $69,784 | 58,908 Direct | -3.60% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.72 | $3,172 | 61,108 Direct | -0.16% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,279 | $31.71 | $72,267 | 61,208 Direct | -3.59% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.71 | $3,171 | 63,487 Direct | -0.16% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.70 | $12,680 | 63,587 Direct | -0.63% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 3,685 | $31.70 | $116,814 | 63,987 Direct | -5.45% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 3,530 | $31.69 | $111,866 | 67,672 Direct | -4.96% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.86 | $6,372 | 24,644 Direct | -0.81% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 600 | $31.85 | $19,110 | 24,844 Direct | -2.36% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.85 | $6,370 | 25,444 Direct | -0.78% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,200 | $31.84 | $38,208 | 25,644 Direct | -4.47% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.83 | $12,732 | 26,844 Direct | -1.47% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 3,400 | $31.82 | $108,188 | 27,244 Direct | -11.10% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.82 | $12,728 | 30,644 Direct | -1.29% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 7,600 | $31.81 | $241,756 | 31,044 Direct | -19.67% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,000 | $31.80 | $63,600 | 38,644 Direct | -4.92% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.80 | $6,360 | 40,644 Direct | -0.49% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.80 | $12,720 | 40,844 Direct | -0.97% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 800 | $31.79 | $25,432 | 41,244 Direct | -1.90% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,700 | $31.78 | $85,806 | 42,044 Direct | -6.03% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 333 | $31.77 | $10,579 | 44,744 Direct | -0.74% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 4,727 | $31.76 | $150,130 | 45,077 Direct | -9.49% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.76 | $6,352 | 49,804 Direct | -0.40% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.76 | $3,176 | 50,004 Direct | -0.20% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 4,104 | $31.75 | $130,302 | 50,104 Direct | -7.57% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.75 | $3,175 | 54,208 Direct | -0.18% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 900 | $31.74 | $28,566 | 54,308 Direct | -1.63% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,800 | $31.74 | $88,872 | 55,208 Direct | -4.83% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.91 | $6,382 | 20,735 Direct | -0.96% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,109 | $31.90 | $67,277 | 20,935 Direct | -9.15% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 700 | $31.89 | $22,323 | 23,044 Direct | -2.95% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 900 | $31.87 | $28,683 | 23,744 Direct | -3.65% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.69 | $12,676 | 71,202 Direct | -0.56% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.68 | $3,168 | 71,602 Direct | -0.14% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,570 | $31.68 | $49,738 | 71,702 Direct | -2.14% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,512 | $31.67 | $47,885 | 73,272 Direct | -2.02% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 700 | $31.66 | $22,162 | 74,784 Direct | -0.93% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 500 | $31.65 | $15,825 | 75,484 Direct | -0.66% | Disposed | -94.1% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,400 | $31.64 | $75,936 | 75,984 Direct | -3.06% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.64 | $3,164 | 78,384 Direct | -0.13% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 800 | $31.64 | $25,312 | 78,484 Direct | -1.01% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.63 | $12,652 | 79,284 Direct | -0.50% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,500 | $31.60 | $79,000 | 79,684 Direct | -3.04% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.60 | $3,160 | 82,184 Direct | -0.12% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.60 | $6,320 | 82,284 Direct | -0.24% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,300 | $31.60 | $72,680 | 82,484 Direct | -2.71% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,600 | $31.59 | $82,134 | 84,784 Direct | -2.98% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 600 | $31.58 | $18,948 | 87,384 Direct | -0.68% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 5,995 | $31.58 | $189,322 | 87,984 Direct | -6.38% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.58 | $3,158 | 93,979 Direct | -0.11% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 274 | $31.57 | $8,650 | 94,079 Direct | -0.29% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.56 | $12,624 | 94,353 Direct | -0.42% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,100 | $31.55 | $34,705 | 94,753 Direct | -1.15% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 548 | $31.54 | $17,284 | 95,853 Direct | -0.57% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 492 | $31.54 | $15,518 | 96,401 Direct | -0.51% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,812 | $31.53 | $57,132 | 96,893 Direct | -1.84% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.52 | $3,152 | 98,705 Direct | -0.10% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,500 | $31.52 | $47,280 | 98,805 Direct | -1.50% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.52 | $12,608 | 100,305 Direct | -0.40% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,700 | $31.51 | $53,567 | 100,705 Direct | -1.66% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 300 | $31.51 | $9,453 | 102,405 Direct | -0.29% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.50 | $12,600 | 102,705 Direct | -0.39% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.44 | $6,288 | 103,105 Direct | -0.19% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.43 | $6,286 | 103,305 Direct | -0.19% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 883 | $31.42 | $27,744 | 103,505 Direct | -0.85% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 500 | $31.41 | $15,705 | 104,388 Direct | -0.48% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.40 | $12,560 | 104,888 Direct | -0.38% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.40 | $6,280 | 105,288 Direct | -0.19% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 800 | $31.40 | $25,120 | 105,488 Direct | -0.75% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,700 | $31.39 | $84,753 | 106,288 Direct | -2.48% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.39 | $3,139 | 108,988 Direct | -0.09% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 700 | $31.38 | $21,966 | 109,088 Direct | -0.64% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.38 | $6,276 | 109,788 Direct | -0.18% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 299 | $31.37 | $9,380 | 109,988 Direct | -0.27% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 300 | $31.36 | $9,408 | 110,287 Direct | -0.27% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,000 | $31.36 | $31,360 | 110,587 Direct | -0.90% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.36 | $3,136 | 111,587 Direct | -0.09% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.35 | $12,540 | 111,687 Direct | -0.36% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 348 | $31.31 | $10,896 | 112,087 Direct | -0.31% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.30 | $3,130 | 112,435 Direct | -0.09% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,900 | $31.30 | $90,770 | 112,535 Direct | -2.51% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 400 | $31.30 | $12,520 | 115,435 Direct | -0.35% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 500 | $31.29 | $15,645 | 115,835 Direct | -0.43% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 200 | $31.28 | $6,256 | 116,335 Direct | -0.17% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 500 | $31.27 | $15,635 | 116,535 Direct | -0.43% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 2,200 | $31.26 | $68,772 | 117,035 Direct | -1.85% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 100 | $31.26 | $3,126 | 119,235 Direct | -0.08% | Disposed | -94.0% (price as of 2026-08-19) |
| March 3, 2008 | NBR | S | 1,400 | $31.25 | $43,750 | 119,335 Direct | -1.16% | Disposed | -94.0% (price as of 2026-08-19) |
Showing latest 100 of 137 transactions
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 |
|---|---|---|---|---|---|---|---|
| March 3, 2008 | NBR | Stock Options (Right to buy) | Common Stock (60,000) | $22.96 | Feb. 20, 2014 | 60,000 | Disposed |
| March 3, 2008 | NBR | Stock Options (Right to buy) | Common Stock (40,000) | $19.38 | Feb. 20, 2013 | 40,000 | Disposed |
| Nov. 8, 2006 | NBR | Stock Options (Right to buy) | Common Stock (30,000) | $22.78 | Dec. 4, 2010 | 30,000 | Disposed |
| Nov. 7, 2006 | NBR | Stock Options (Right to buy) | Common Stock (12,500) | $13.52 | Jan. 22, 2012 | 12,500 | Disposed |
| July 8, 2005 | NBR | Stock Options (Right to buy) | Common Stock (5,000) | $62.10 | July 8, 2015 | 5,000 | Acquired |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock (18,750) | $27.05 | Jan. 22, 2012 | 18,750 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock (25,000) | $24.75 | Dec. 7, 2009 | 25,000 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock (10,150) | $12.50 | Feb. 12, 2007 | 10,150 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock (9,750) | $12.50 | Jan. 9, 2008 | 9,750 | Disposed |
| March 16, 2005 | NBR | Stock Options (Right to buy) | Common Stock (19,200) | $11.50 | Feb. 26, 2009 | 19,200 | Disposed |
| Feb. 24, 2005 | NBR | Stock Options (Right to buy) | Common Stock (5,000) | $57.65 | Feb. 24, 2015 | 5,000 | Acquired |
| Feb. 20, 2004 | NBR | Stock Options (Right to buy) | Common Stock (30,000) | $45.91 | Feb. 20, 2014 | 30,000 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).