David J Tudor
Insider
First SEC filing: July 25, 2025 · Latest: July 25, 2025
Insider at
Insider transactions
0 buys (P)
1 sells (S)
Net: $-295,360
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 |
|---|---|---|---|---|---|---|---|---|---|
| Aug. 28, 2026 | NBR | S | 3,200 | $92.30 | $295,360 | 5,264 Direct | -37.81% | Disposed | -9.9% (price as of 2026-10-05) |
| June 2, 2026 | NBR | A | 1,324 | · | · | 8,464 Direct | +18.54% | Acquired | (price as of 2026-10-05) |
| July 24, 2025 | NBR | A | 6,440 | · | · | 7,140 Direct | +920.00% | Acquired | (price as of 2026-10-05) |
| May 14, 2020 | WES | A | 7,803 | · | · | 7,803 Direct | · | Acquired | (price as of 2026-10-05) |
| Sept. 20, 2019 | WES | S | 5,000 | $27.00 | $135,000 | 31,241 Direct | -13.80% | Disposed | 68.9% (price as of 2026-10-05) |
| Aug. 8, 2019 | WES | M | 4,202 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Aug. 8, 2019 | WES | M | 4,202 | · | · | 36,241 Direct | +13.12% | Acquired | (price as of 2026-10-05) |
| May 8, 2019 | WES | A | 4,202 | · | · | 4,202 Direct | · | Acquired | (price as of 2026-10-05) |
| May 8, 2019 | WES | M | 3,058 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 8, 2019 | WES | M | 1,426 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 8, 2019 | WES | M | 3,058 | · | · | 32,039 Direct | +10.55% | Acquired | (price as of 2026-10-05) |
| May 8, 2019 | WES | M | 1,426 | · | · | 28,981 Direct | +5.18% | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2019 | WES | A | 3,058 | · | · | 3,058 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 28, 2019 | WES | A | 19,092 | · | · | 27,555 Direct | +225.59% | Acquired | (price as of 2026-10-05) |
| May 31, 2018 | WES | M | 1,153 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 31, 2018 | WES | M | 1,153 | · | · | 8,463 Direct | +15.77% | Acquired | (price as of 2026-10-05) |
| May 8, 2018 | WES | A | 1,426 | · | · | 1,426 Direct | · | Acquired | (price as of 2026-10-05) |
| May 31, 2017 | WES | A | 1,153 | · | · | 1,153 Direct | · | Acquired | (price as of 2026-10-05) |
| May 5, 2017 | WES | M | 1,132 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 5, 2017 | WES | M | 1,132 | · | · | 7,310 Direct | +18.32% | Acquired | (price as of 2026-10-05) |
| May 13, 2016 | WES | M | 724 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 13, 2016 | WES | M | 724 | $40.20 | $29,105 | 6,178 Direct | +13.27% | Acquired | 13.4% (price as of 2026-10-05) |
| May 5, 2016 | WES | A | 1,132 | · | · | 1,132 Direct | · | Acquired | (price as of 2026-10-05) |
| May 22, 2015 | WES | M | 880 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 22, 2015 | WES | M | 880 | · | · | 5,454 Direct | +19.24% | Acquired | (price as of 2026-10-05) |
| May 13, 2015 | WES | A | 724 | · | · | 724 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 14, 2015 | WES | P | 500 | $51.95 | $25,975 | 4,574 Direct | +12.27% | Acquired | -12.2% (price as of 2026-10-05) |
| May 22, 2014 | WES | A | 880 | · | · | 880 Direct | · | Acquired | (price as of 2026-10-05) |
| Jan. 31, 2014 | WES | M | 2,074 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| Jan. 31, 2014 | WES | M | 2,074 | · | · | 4,074 Direct | +103.70% | Acquired | (price as of 2026-10-05) |
| Jan. 31, 2013 | WES | A | 2,074 | · | · | 2,074 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 6, 2012 | WES | P | 2,000 | $22.00 | $44,000 | 2,000 Direct | · | Acquired | 107.2% (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 |
|---|---|---|---|---|---|---|---|
| May 14, 2020 | WES | Phantom Units | Common Units representing limited partner interests | · | May 14, 2021 | 7,803 | Acquired |
| Aug. 8, 2019 | WES | Phantom Units | Common Units representing limited partner interests | · | May 8, 2020 | 4,202 | Disposed |
| May 8, 2019 | WES | Phantom Units | Common Units representing limited partner interests | · | May 8, 2020 | 4,202 | Acquired |
| May 8, 2019 | WES | Phantom Units | Common Units representing limited partner interests | · | May 8, 2019 | 3,058 | Disposed |
| May 8, 2019 | WES | Phantom Units | Common Units representing limited partner interests | · | May 8, 2019 | 1,426 | Disposed |
| Feb. 28, 2019 | WES | Phantom Units | Common Units representing limited partner interests | · | May 8, 2019 | 3,058 | Acquired |
| May 31, 2018 | WES | Phantom Units | Common Units representing limited partner interests | · | May 31, 2018 | 1,153 | Disposed |
| May 8, 2018 | WES | Phantom Units | Common Units representing limited partner interests | · | May 8, 2019 | 1,426 | Acquired |
| May 31, 2017 | WES | Phantom Units | Common Units representing limited partner interests | · | May 31, 2018 | 1,153 | Acquired |
| May 5, 2017 | WES | Phantom Units | Common Units representing limited partner interests | · | May 5, 2017 | 1,132 | Disposed |
| May 13, 2016 | WES | Phantom Units | Common Units representing limited partner interests | · | May 13, 2016 | 724 | Disposed |
| May 5, 2016 | WES | Phantom Units | Common Units representing limited partner interests | · | May 5, 2017 | 1,132 | Acquired |
| May 22, 2015 | WES | Phantom Units | Common Units representing limited partner interests | · | May 22, 2015 | 880 | Disposed |
| May 13, 2015 | WES | Phantom Units | Common Units representing limited partner interests | · | May 13, 2016 | 724 | Acquired |
| May 22, 2014 | WES | Phantom Units | Common Units representing limited partner interests | · | May 22, 2015 | 880 | Acquired |
| Jan. 31, 2014 | WES | Phantom Units | Common Units representing limited partner interests | · | Jan. 31, 2014 | 2,074 | Disposed |
| Jan. 31, 2013 | WES | Phantom Units | Common Units representing limited partner interests | · | Jan. 31, 2014 | 2,074 | 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 |
|---|---|---|---|---|
| July 25, 2025 | NBR | Common Stock | 700 | Direct |