Mark D Andrews
CIK 1414596 · View on SEC EDGAR ↗
First SEC filing: Oct. 18, 2007 · Latest: Oct. 18, 2007
On this page
- Insider at Companies where this person is a reporting insider.
- Insider transactions Every share this person bought or sold, from Form 4 filings.
- Derivatives Options and other derivative holdings reported by this person.
- Initial holdings The stakes this person held when they first started reporting.
- Compensation Executive pay disclosed in company proxy statements.
Insider at
Insider transactions
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 |
|---|---|---|---|---|---|---|---|---|---|
| March 2, 2022 | NBR | S | 1,021 | $16.20 | $16,540 | 0 Direct | -100.00% | Disposed | 481.0% (price as of 2026-08-19) |
| March 7, 2011 | NBR | S | 1,699 | $27.69 | $47,045 | 2,924 Direct | -36.75% | Disposed | -93.2% (price as of 2026-08-19) |
| Dec. 20, 2010 | NBR | S | 1,039 | $22.13 | $22,993 | 1,840 Direct | -36.09% | Disposed | -91.5% (price as of 2026-08-19) |
| June 10, 2010 | NBR | S | 915 | $21.04 | $19,252 | 2,879 Direct | -24.12% | Disposed | -91.1% (price as of 2026-08-19) |
| March 3, 2010 | NBR | S | 200 | $23.25 | $4,650 | 2,879 Direct | -6.50% | Disposed | -91.9% (price as of 2026-08-19) |
| March 3, 2010 | NBR | S | 1,498 | $23.25 | $34,828 | 3,079 Direct | -32.73% | Disposed | -91.9% (price as of 2026-08-19) |
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) | — | — | 1,642 | Disposed |
| Jan. 1, 2026 | NBR | 2023 Long Term Performance Share Units | Common Stock (1,642) | — | — | 1,642 | Acquired |
| March 2, 2022 | NBR | 2021 Warrants | Common Stock (1,021) | $166.67 | June 11, 2026 | 1,021 | Disposed |
| March 7, 2011 | NBR | Stock Options (Right to Buy) | Common Stock (1,699) | $9.87 | Feb. 25, 2019 | 1,699 | Disposed |
| June 10, 2010 | NBR | Stock Options (Right to Buy) | Common Stock (915) | $9.18 | March 10, 2019 | 915 | Disposed |
| March 3, 2010 | NBR | Stock Options (Right to Buy) | Common Stock (1,698) | $9.87 | Feb. 25, 2019 | 1,698 | Disposed |
| March 10, 2009 | NBR | Stock Options (Right to Buy) | Common Stock (3,661) | $9.18 | March 10, 2019 | 3,661 | Acquired |
| Feb. 25, 2009 | NBR | Stock Options (Right to Buy) | Common Stock (6,794) | $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.