Mark D Andrews
Insider
First SEC filing: Oct. 18, 2007 · Latest: Oct. 18, 2007
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 |
|---|---|---|---|---|---|---|---|---|---|
| Feb. 9, 2026 | NBR | A | 4,571 | · | · | 26,101 Direct | +21.23% | Acquired | (price as of 2026-10-02) |
| Feb. 9, 2026 | NBR | A | 1,775 | · | · | 21,530 Direct | +8.99% | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2026 | NBR | M | 1,642 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| Jan. 1, 2026 | NBR | A | 1,642 | · | · | 1,642 Direct | · | Acquired | (price as of 2026-10-02) |
| Jan. 1, 2026 | NBR | M | 1,642 | · | · | 19,755 Direct | +9.07% | Acquired | (price as of 2026-10-02) |
| Dec. 31, 2025 | NBR | D | 1,582 | · | · | 18,113 Direct | -8.03% | Disposed | (price as of 2026-10-02) |
| Feb. 18, 2025 | NBR | A | 6,933 | · | · | 19,695 Direct | +54.33% | Acquired | (price as of 2026-10-02) |
| Feb. 18, 2025 | NBR | A | 2,191 | · | · | 12,762 Direct | +20.73% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2024 | NBR | A | 3,499 | · | · | 10,571 Direct | +49.48% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2024 | NBR | A | 1,062 | · | · | 7,072 Direct | +17.67% | Acquired | (price as of 2026-10-02) |
| Feb. 15, 2023 | NBR | A | 909 | · | · | 6,010 Direct | +17.82% | Acquired | (price as of 2026-10-02) |
| Feb. 14, 2023 | NBR | A | 1,582 | · | · | 5,101 Direct | +44.96% | Acquired | (price as of 2026-10-02) |
| March 2, 2022 | NBR | S | 1,021 | $16.20 | $16,540 | 0 Direct | -100.00% | Disposed | 391.6% (price as of 2026-10-02) |
| Feb. 11, 2022 | NBR | A | 964 | · | · | 3,519 Direct | +37.73% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2021 | NBR | A | 711 | · | · | 2,555 Direct | +38.56% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2020 | NBR | A | 32,189 | · | · | 92,128 Direct | +53.70% | Acquired | (price as of 2026-10-02) |
| Feb. 22, 2019 | NBR | A | 16,500 | · | · | 59,939 Direct | +37.98% | Acquired | (price as of 2026-10-02) |
| Feb. 23, 2018 | NBR | A | 7,963 | · | · | 43,439 Direct | +22.45% | Acquired | (price as of 2026-10-02) |
| March 3, 2017 | NBR | A | 6,481 | · | · | 35,476 Direct | +22.35% | Acquired | (price as of 2026-10-02) |
| Feb. 19, 2016 | NBR | A | 10,901 | · | · | 28,995 Direct | +60.25% | Acquired | (price as of 2026-10-02) |
| Feb. 20, 2015 | NBR | A | 5,547 | · | · | 18,094 Direct | +44.21% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2014 | NBR | A | 3,409 | · | · | 12,547 Direct | +37.31% | Acquired | (price as of 2026-10-02) |
| Feb. 21, 2013 | NBR | A | 3,973 | · | · | 9,138 Direct | +76.92% | Acquired | (price as of 2026-10-02) |
| Feb. 24, 2012 | NBR | A | 2,241 | · | · | 5,165 Direct | +76.64% | Acquired | (price as of 2026-10-02) |
| March 7, 2011 | NBR | M | 1,699 | · | · | 3,397 Direct | -33.34% | Disposed | (price as of 2026-10-02) |
| March 7, 2011 | NBR | S | 1,699 | $27.69 | $47,045 | 2,924 Direct | -36.75% | Disposed | -94.2% (price as of 2026-10-02) |
| March 7, 2011 | NBR | M | 1,699 | $9.87 | $16,769 | 4,623 Direct | +58.11% | Acquired | -83.9% (price as of 2026-10-02) |
| Feb. 17, 2011 | NBR | A | 1,084 | · | · | 2,924 Direct | +58.91% | Acquired | (price as of 2026-10-02) |
| Dec. 20, 2010 | NBR | S | 1,039 | $22.13 | $22,993 | 1,840 Direct | -36.09% | Disposed | -92.8% (price as of 2026-10-02) |
| June 10, 2010 | NBR | M | 915 | · | · | 2,746 Direct | -24.99% | Disposed | (price as of 2026-10-02) |
| June 10, 2010 | NBR | S | 915 | $21.04 | $19,252 | 2,879 Direct | -24.12% | Disposed | -92.4% (price as of 2026-10-02) |
| June 10, 2010 | NBR | M | 915 | $9.18 | $8,400 | 3,794 Direct | +31.78% | Acquired | -82.6% (price as of 2026-10-02) |
| March 3, 2010 | NBR | M | 1,698 | · | · | 5,096 Direct | -24.99% | Disposed | (price as of 2026-10-02) |
| March 3, 2010 | NBR | S | 200 | $23.25 | $4,650 | 2,879 Direct | -6.50% | Disposed | -93.1% (price as of 2026-10-02) |
| March 3, 2010 | NBR | S | 1,498 | $23.25 | $34,828 | 3,079 Direct | -32.73% | Disposed | -93.1% (price as of 2026-10-02) |
| March 3, 2010 | NBR | M | 1,698 | $9.87 | $16,759 | 4,577 Direct | +58.98% | Acquired | -83.9% (price as of 2026-10-02) |
| Feb. 18, 2010 | NBR | A | 1,282 | · | · | 2,879 Direct | +80.28% | Acquired | (price as of 2026-10-02) |
| March 10, 2009 | NBR | A | 3,661 | $9.18 | $33,608 | 3,661 Direct | · | Acquired | -82.6% (price as of 2026-10-02) |
| Feb. 25, 2009 | NBR | A | 6,794 | $9.87 | $67,057 | 6,794 Direct | · | Acquired | -83.9% (price as of 2026-10-02) |
| March 14, 2008 | NBR | A | 633 | · | · | 1,597 Direct | +65.66% | Acquired | (price as of 2026-10-02) |
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. 1, 2026 | NBR | 2023 Long Term Performance Share Units | Common Stock | · | · | 1,642 | Disposed |
| Jan. 1, 2026 | NBR | 2023 Long Term Performance Share Units | Common Stock | · | · | 1,642 | Acquired |
| March 2, 2022 | NBR | 2021 Warrants | Common Stock | $166.67 | June 11, 2026 | 1,021 | Disposed |
| March 7, 2011 | NBR | Stock Options (Right to Buy) | Common Stock | $9.87 | Feb. 25, 2019 | 1,699 | Disposed |
| June 10, 2010 | NBR | Stock Options (Right to Buy) | Common Stock | $9.18 | March 10, 2019 | 915 | Disposed |
| March 3, 2010 | NBR | Stock Options (Right to Buy) | Common Stock | $9.87 | Feb. 25, 2019 | 1,698 | Disposed |
| March 10, 2009 | NBR | Stock Options (Right to Buy) | Common Stock | $9.18 | March 10, 2019 | 3,661 | Acquired |
| Feb. 25, 2009 | NBR | Stock Options (Right to Buy) | Common Stock | $9.87 | Feb. 25, 2019 | 6,794 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).
Initial ownership (Form 3) 1 holding
Securities held when first becoming an insider, per SEC Form 3.
| Date | Ticker | Security | Shares | Ownership |
|---|---|---|---|---|
| Oct. 18, 2007 | NBR | Common Stock | 964 | Direct |
Compensation (DEF 14A)
Matched by name from proxy statements (DEF 14A) — verify against the filing.
| Fiscal year | Salary | Bonus | Stock awards | Option awards | Non-equity incentive | Pension change | Other | Total |
|---|---|---|---|---|---|---|---|---|
| 2023 | $282,115 | · | · | · | $90,420 | · | $166,741 | $946,237 |
| 2022 | $273,336 | · | · | · | $150,700 | · | $164,922 | $711,955 |
| 2021 | $226,592 | · | · | · | $122,960 | · | $156,022 | $580,574 |
Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.