Mark Lawrence Plaumann
Insider
First SEC filing: June 10, 2026 · Latest: June 10, 2026
Insider at
Insider transactions
1 buys (P)
2 sells (S)
Net: $-293,830
Avg return of open purchases vs now: -5.3%
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 |
|---|---|---|---|---|---|---|---|---|---|
| Sept. 16, 2026 | TUSK | P | 5,000 | $3.00 | $15,000 | 5,000 Direct | · | Acquired | -5.3% (price as of 2026-10-05) |
| Aug. 21, 2026 | FANG | S | 1,000 | $210.58 | $210,580 | 12,437 Direct | -7.44% | Disposed | -12.6% (price as of 2026-10-05) |
| June 9, 2026 | FANG | S | 500 | $196.50 | $98,250 | 13,437 Direct | -3.59% | Disposed | -6.3% (price as of 2026-10-05) |
| May 20, 2026 | FANG | A | 982 | · | · | 13,937 Direct | +7.58% | Acquired | (price as of 2026-10-05) |
| June 19, 2025 | FANG | J | 2,965 | · | · | 5,267 Direct | +128.80% | Acquired | (price as of 2026-10-05) |
| May 21, 2025 | FANG | A | 1,417 | · | · | 2,302 Direct | +160.11% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2024 | FANG | G | 100 | · | · | 2,302 Direct | -4.16% | Disposed | (price as of 2026-10-05) |
| Nov. 13, 2024 | FANG | S | 1,150 | $181.00 | $208,150 | 4,712 Direct | -19.62% | Disposed | 1.7% (price as of 2026-10-05) |
| Nov. 13, 2024 | FANG | G | 2,310 | · | · | 2,402 Direct | -49.02% | Disposed | (price as of 2026-10-05) |
| Nov. 13, 2024 | FANG | S | 240 | $181.00 | $43,440 | 9,236 Indirect | -2.53% | Disposed | 1.7% (price as of 2026-10-05) |
| Nov. 12, 2024 | FANG | J | 11,724 | · | · | 9,476 Indirect | -55.30% | Disposed | (price as of 2026-10-05) |
| Nov. 12, 2024 | FANG | J | 5,862 | · | · | 5,862 Direct | · | Acquired | (price as of 2026-10-05) |
| June 6, 2024 | FANG | A | 1,035 | · | · | 21,200 Indirect | +5.13% | Acquired | (price as of 2026-10-05) |
| June 8, 2023 | FANG | A | 1,527 | · | · | 20,165 Indirect | +8.19% | Acquired | (price as of 2026-10-05) |
| June 9, 2022 | FANG | A | 1,274 | · | · | 18,638 Indirect | +7.34% | Acquired | (price as of 2026-10-05) |
| June 3, 2021 | FANG | A | 2,435 | · | · | 17,364 Indirect | +16.31% | Acquired | (price as of 2026-10-05) |
| June 3, 2020 | FANG | A | 2,965 | · | · | 14,929 Indirect | +24.78% | Acquired | (price as of 2026-10-05) |
| June 6, 2019 | FANG | A | 1,830 | · | · | 11,964 Indirect | +18.06% | Acquired | (price as of 2026-10-05) |
| June 7, 2018 | FANG | A | 1,574 | · | · | 10,134 Indirect | +18.39% | Acquired | (price as of 2026-10-05) |
| July 12, 2017 | FANG | A | 2,055 | · | · | 8,560 Indirect | +31.59% | Acquired | (price as of 2026-10-05) |
| May 23, 2017 | FANG | S | 1,000 | $101.52 | $101,520 | 6,505 Indirect | -13.32% | Disposed | 81.3% (price as of 2026-10-05) |
| Feb. 17, 2017 | FANG | S | 1,900 | $107.35 | $203,965 | 7,505 Indirect | -20.20% | Disposed | 71.5% (price as of 2026-10-05) |
| Aug. 28, 2016 | FANG | A | 1,359 | · | · | 9,405 Indirect | +16.89% | Acquired | (price as of 2026-10-05) |
| Sept. 14, 2015 | FANG | S | 3,000 | $65.66 | $196,980 | 8,046 Indirect | -27.16% | Disposed | 180.4% (price as of 2026-10-05) |
| Aug. 25, 2015 | FANG | A | 1,578 | · | · | 11,046 Direct | +16.67% | Acquired | (price as of 2026-10-05) |
| July 15, 2014 | FANG | A | 2,802 | · | · | 9,468 Direct | +42.03% | Acquired | (price as of 2026-10-05) |
| Oct. 11, 2012 | FANG | A | 6,666 | · | · | 6,666 Direct | · | Acquired | (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 |
|---|---|---|---|---|---|---|---|
| Oct. 11, 2012 | FANG | Restricted Stock Units [F1] | Common Stock | · | · | 6,666 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).