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David L Houston
Insider
First SEC filing: Nov. 13, 2009 · Latest: Nov. 13, 2009
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 |
|---|---|---|---|---|---|---|---|---|---|
| June 6, 2024 | FANG | A | 1,035 | · | · | 12,600 Direct | +8.95% | Acquired | (price as of 2026-10-06) |
| Sept. 12, 2023 | FANG | S | 8,000 | $156.54 | $1,252,320 | 11,565 Direct | -40.89% | Disposed | 18.2% (price as of 2026-10-06) |
| June 8, 2023 | FANG | A | 1,527 | · | · | 19,565 Direct | +8.47% | Acquired | (price as of 2026-10-06) |
| June 9, 2022 | FANG | A | 1,274 | · | · | 18,038 Direct | +7.60% | Acquired | (price as of 2026-10-06) |
| June 3, 2021 | FANG | A | 2,435 | · | · | 16,764 Direct | +16.99% | Acquired | (price as of 2026-10-06) |
| June 3, 2020 | FANG | A | 2,965 | · | · | 14,329 Direct | +26.09% | Acquired | (price as of 2026-10-06) |
| June 6, 2019 | FANG | A | 1,830 | · | · | 11,364 Direct | +19.19% | Acquired | (price as of 2026-10-06) |
| June 6, 2019 | GPOR | A | 32,588 | · | · | 96,855 Direct | +50.71% | Acquired | (price as of 2026-10-06) |
| June 7, 2018 | FANG | A | 1,574 | · | · | 9,534 Direct | +19.77% | Acquired | (price as of 2026-10-06) |
| May 31, 2018 | GPOR | A | 11,201 | · | · | 64,267 Direct | +21.11% | Acquired | (price as of 2026-10-06) |
| May 11, 2018 | FANG | S | 6,500 | $125.76 | $817,440 | 7,960 Direct | -44.95% | Disposed | 47.1% (price as of 2026-10-06) |
| July 12, 2017 | FANG | A | 2,055 | · | · | 14,460 Direct | +16.57% | Acquired | (price as of 2026-10-06) |
| June 8, 2017 | GPOR | A | 9,608 | · | · | 53,066 Direct | +22.11% | Acquired | (price as of 2026-10-06) |
| Aug. 28, 2016 | FANG | A | 1,359 | · | · | 12,405 Direct | +12.30% | Acquired | (price as of 2026-10-06) |
| June 10, 2016 | GPOR | A | 3,824 | · | · | 43,458 Direct | +9.65% | Acquired | (price as of 2026-10-06) |
| Sept. 10, 2015 | GPOR | A | 3,830 | · | · | 39,634 Direct | +10.70% | Acquired | (price as of 2026-10-06) |
| Aug. 25, 2015 | FANG | A | 1,578 | · | · | 11,046 Direct | +16.67% | Acquired | (price as of 2026-10-06) |
| Dec. 30, 2014 | GPOR | M | 10,000 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-06) |
| Dec. 30, 2014 | GPOR | M | 10,000 | $3.36 | $33,600 | 35,804 Direct | +38.75% | Acquired | 4698.8% (price as of 2026-10-06) |
| July 15, 2014 | FANG | A | 2,802 | · | · | 9,468 Direct | +42.03% | Acquired | (price as of 2026-10-06) |
| July 10, 2014 | GPOR | A | 1,609 | · | · | 25,804 Direct | +6.65% | Acquired | (price as of 2026-10-06) |
| May 15, 2014 | GPOR | M | 10,000 | · | · | 10,000 Direct | -50.00% | Disposed | (price as of 2026-10-06) |
| May 15, 2014 | GPOR | M | 10,000 | $3.36 | $33,600 | 24,195 Direct | +70.45% | Acquired | 4698.8% (price as of 2026-10-06) |
| Dec. 10, 2013 | GPOR | A | 863 | · | · | 14,195 Direct | +6.47% | Acquired | (price as of 2026-10-06) |
| Nov. 5, 2012 | GPOR | A | 6,666 | · | · | 13,332 Direct | +100.00% | Acquired | (price as of 2026-10-06) |
| Oct. 11, 2012 | FANG | A | 6,666 | · | · | 6,666 Direct | · | Acquired | (price as of 2026-10-06) |
| Feb. 7, 2012 | GPOR | S 10b5-1 | 20,000 | $36.00 | $720,000 | 6,666 Direct | -75.00% | Disposed | 347.9% (price as of 2026-10-06) |
| Nov. 3, 2009 | GPOR | A | 6,666 | · | · | 16,666 Direct | +66.66% | Acquired | (price as of 2026-10-06) |
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 |
|---|---|---|---|---|---|---|---|
| Dec. 30, 2014 | GPOR | Non-Qualified Stock Option (right to buy) | Common Stock | $3.36 | Jan. 24, 2015 | 10,000 | Disposed |
| May 15, 2014 | GPOR | Non-Qualified Stock Option (right to buy) | Common Stock | $3.36 | Jan. 24, 2015 | 10,000 | Disposed |
| Oct. 11, 2012 | FANG | Restricted Stock Units [F1] | Common Stock | · | · | 6,666 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).