George P. Shaffner
Insider
First SEC filing: March 2, 2012 · Latest: March 2, 2012
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 |
|---|---|---|---|---|---|---|---|---|---|
| May 6, 2015 | MPC | M | 4,436 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 6, 2015 | MPC | M | 21,125 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 6, 2015 | MPC | S | 4,436 | $100.76 | $446,971 | 14,282 Direct | -23.70% | Disposed | 760.4% (price as of 2026-10-05) |
| May 6, 2015 | MPC | S | 21,125 | $100.45 | $2,122,006 | 18,718 Direct | -53.02% | Disposed | 763.1% (price as of 2026-10-05) |
| May 6, 2015 | MPC | M | 4,436 | $34.40 | $152,598 | 39,843 Direct | +12.53% | Acquired | 2420.2% (price as of 2026-10-05) |
| May 6, 2015 | MPC | M | 21,125 | $41.69 | $880,701 | 35,407 Direct | +147.91% | Acquired | 1979.5% (price as of 2026-10-05) |
| May 4, 2015 | MPC | M | 17,297 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 4, 2015 | MPC | M | 3,490 | · | · | 17,297 Direct | -16.79% | Disposed | (price as of 2026-10-05) |
| May 4, 2015 | MPC | M | 5,426 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| May 4, 2015 | MPC | S | 5,426 | $101.50 | $550,739 | 14,282 Direct | -27.53% | Disposed | 754.1% (price as of 2026-10-05) |
| May 4, 2015 | MPC | S | 17,297 | $101.43 | $1,754,435 | 19,708 Direct | -46.74% | Disposed | 754.7% (price as of 2026-10-05) |
| May 4, 2015 | MPC | S | 3,490 | $101.45 | $354,060 | 37,005 Direct | -8.62% | Disposed | 754.5% (price as of 2026-10-05) |
| May 4, 2015 | MPC | M | 5,426 | $51.75 | $280,796 | 40,495 Direct | +15.47% | Acquired | 1575.2% (price as of 2026-10-05) |
| May 4, 2015 | MPC | M | 17,297 | $25.74 | $445,225 | 35,069 Direct | +97.33% | Acquired | 3268.1% (price as of 2026-10-05) |
| May 4, 2015 | MPC | M | 3,490 | $25.74 | $89,833 | 17,772 Direct | +24.44% | Acquired | 3268.1% (price as of 2026-10-05) |
| March 2, 2015 | MPLX | A | 487 | · | · | 7,009 Direct | +7.47% | Acquired | (price as of 2026-10-05) |
| March 2, 2015 | MPLX | F | 134 | $82.17 | $11,011 | 6,522 Direct | -2.01% | Disposed | -30.2% (price as of 2026-10-05) |
| March 2, 2015 | MPC | A | 10,667 | · | · | 10,667 Direct | · | Acquired | (price as of 2026-10-05) |
| March 2, 2015 | MPC | A | 1,415 | · | · | 14,282 Direct | +11.00% | Acquired | (price as of 2026-10-05) |
| March 2, 2015 | MPC | F | 178 | $102.68 | $18,277 | 12,867 Direct | -1.36% | Disposed | 744.3% (price as of 2026-10-05) |
| March 2, 2015 | MPC | F | 419 | $102.68 | $43,023 | 13,045 Direct | -3.11% | Disposed | 744.3% (price as of 2026-10-05) |
| Feb. 27, 2015 | MPC | F | 179 | $106.58 | $19,078 | 13,464 Direct | -1.31% | Disposed | 713.4% (price as of 2026-10-05) |
| Feb. 27, 2015 | MPLX | F | 198 | $81.14 | $16,066 | 6,656 Direct | -2.89% | Disposed | -29.3% (price as of 2026-10-05) |
| Jan. 30, 2015 | MPC | A | 824 | · | · | 13,643 Direct | +6.43% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2014 | MPC | F | 51 | $94.57 | $4,823 | 12,819 Direct | -0.40% | Disposed | 816.7% (price as of 2026-10-05) |
| March 3, 2014 | MPC | A | 10,937 | · | · | 10,937 Direct | · | Acquired | (price as of 2026-10-05) |
| March 3, 2014 | MPC | A | 1,632 | · | · | 12,870 Direct | +14.52% | Acquired | (price as of 2026-10-05) |
| March 3, 2014 | MPLX | A | 1,232 | · | · | 6,854 Direct | +21.91% | Acquired | (price as of 2026-10-05) |
| March 3, 2014 | MPC | F | 607 | $84.18 | $51,097 | 11,238 Direct | -5.12% | Disposed | 929.9% (price as of 2026-10-05) |
| Feb. 27, 2014 | MPLX | F | 198 | $49.36 | $9,773 | 5,622 Direct | -3.40% | Disposed | 16.2% (price as of 2026-10-05) |
| Feb. 27, 2014 | MPC | F | 179 | $85.68 | $15,337 | 11,845 Direct | -1.49% | Disposed | 911.8% (price as of 2026-10-05) |
| Feb. 24, 2014 | MPC | F | 1,001 | $88.78 | $88,869 | 12,024 Direct | -7.69% | Disposed | 876.5% (price as of 2026-10-05) |
| Dec. 5, 2013 | MPC | F | 51 | $84.11 | $4,290 | 13,025 Direct | -0.39% | Disposed | 930.7% (price as of 2026-10-05) |
| June 3, 2013 | MPC | F | 1,846 | $81.59 | $150,615 | 13,076 Direct | -12.37% | Disposed | 962.6% (price as of 2026-10-05) |
| March 11, 2013 | MPC | M | 8,653 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 11, 2013 | MPC | M | 2,440 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 11, 2013 | MPC | M | 899 | · | · | 2,440 Direct | -26.92% | Disposed | (price as of 2026-10-05) |
| March 11, 2013 | MPC | M | 5,077 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-05) |
| March 11, 2013 | MPC | S | 8,653 | $88.48 | $765,617 | 14,922 Direct | -36.70% | Disposed | 879.8% (price as of 2026-10-05) |
| March 11, 2013 | MPC | M | 8,653 | $24.79 | $214,508 | 23,575 Direct | +57.99% | Acquired | 3397.1% (price as of 2026-10-05) |
| March 11, 2013 | MPC | M | 2,440 | $43.38 | $105,847 | 14,922 Direct | +19.55% | Acquired | 1898.5% (price as of 2026-10-05) |
| March 11, 2013 | MPC | S | 899 | $88.48 | $79,544 | 12,482 Direct | -6.72% | Disposed | 879.8% (price as of 2026-10-05) |
| March 11, 2013 | MPC | M | 899 | $43.38 | $38,999 | 13,381 Direct | +7.20% | Acquired | 1898.5% (price as of 2026-10-05) |
| March 11, 2013 | MPC | S | 5,077 | $88.48 | $449,213 | 12,482 Direct | -28.91% | Disposed | 879.8% (price as of 2026-10-05) |
| March 11, 2013 | MPC | M | 5,077 | $32.06 | $162,769 | 17,559 Direct | +40.67% | Acquired | 2604.1% (price as of 2026-10-05) |
| March 1, 2013 | MPC | F | 419 | $83.68 | $35,062 | 12,482 Direct | -3.25% | Disposed | 936.0% (price as of 2026-10-05) |
| Feb. 27, 2013 | MPC | A | 10,458 | · | · | 10,458 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2013 | MPC | A | 1,644 | · | · | 12,901 Direct | +14.60% | Acquired | (price as of 2026-10-05) |
| Feb. 27, 2013 | MPLX | A | 1,820 | · | · | 5,820 Direct | +45.50% | Acquired | (price as of 2026-10-05) |
| Dec. 11, 2012 | MPC | I | 22 | $62.05 | $1,365 | 0 Indirect | -100.00% | Disposed | 1297.2% (price as of 2026-10-05) |
| Dec. 10, 2012 | MPC | I | 3,819 | $60.50 | $231,050 | 22 Indirect | -99.43% | Disposed | 1333.0% (price as of 2026-10-05) |
| Dec. 5, 2012 | MPC | F | 35 | $58.69 | $2,054 | 11,257 Direct | -0.31% | Disposed | 1377.2% (price as of 2026-10-05) |
| Oct. 31, 2012 | MPLX | P | 4,000 | $22.00 | $88,000 | 4,000 Direct | · | Acquired | 160.8% (price as of 2026-10-05) |
| Feb. 29, 2012 | MPC | A | 22,409 | · | · | 22,409 Direct | · | Acquired | (price as of 2026-10-05) |
| Feb. 29, 2012 | MPC | A | 3,851 | · | · | 11,291 Direct | +51.76% | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2011 | MPC | A | 4,436 | · | · | 4,436 Direct | · | Acquired | (price as of 2026-10-05) |
| Dec. 5, 2011 | MPC | A | 321 | · | · | 7,440 Direct | +4.51% | Acquired | (price as of 2026-10-05) |
| Aug. 9, 2011 | MPC | I | 3,700 | $34.74 | $128,538 | 3,700 Indirect | · | Acquired | 2395.5% (price as of 2026-10-05) |
| June 30, 2011 | MPC | A | 21,125 | · | · | 21,125 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2011 | MPC | A | 20,787 | · | · | 20,787 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2011 | MPC | A | 8,653 | · | · | 8,653 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2011 | MPC | A | 3,339 | · | · | 3,339 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2011 | MPC | A | 5,426 | · | · | 5,426 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2011 | MPC | A | 5,077 | · | · | 5,077 Direct | · | Acquired | (price as of 2026-10-05) |
| June 30, 2011 | MPC | A | 6,977 | · | · | 7,131 Direct | +4530.52% | 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 |
|---|---|---|---|---|---|---|---|
| May 6, 2015 | MPC | Stock Option (right to buy) | Common Stock | $34.40 | Dec. 5, 2021 | 4,436 | Disposed |
| May 6, 2015 | MPC | Stock Option (right to buy) | Common Stock | $41.69 | Feb. 23, 2021 | 21,125 | Disposed |
| May 4, 2015 | MPC | Stock Option (right to buy) | Common Stock | $25.74 | May 26, 2020 | 17,297 | Disposed |
| May 4, 2015 | MPC | Stock Option (right to buy) | Common Stock | $25.74 | May 26, 2020 | 3,490 | Disposed |
| May 4, 2015 | MPC | Stock Option (right to buy) | Common Stock | $51.75 | May 30, 2017 | 5,426 | Disposed |
| March 2, 2015 | MPC | Stock Option (right to buy) | Common Stock | $101.78 | March 1, 2025 | 10,667 | Acquired |
| March 3, 2014 | MPC | Stock Option (right to buy) | Common Stock | $83.37 | March 1, 2024 | 10,937 | Acquired |
| March 11, 2013 | MPC | Stock Option (right to buy) | Common Stock | $24.79 | May 27, 2019 | 8,653 | Disposed |
| March 11, 2013 | MPC | Stock Option (right to buy) | Common Stock | $43.38 | May 28, 2018 | 2,440 | Disposed |
| March 11, 2013 | MPC | Stock Option (right to buy) | Common Stock | $43.38 | May 28, 2018 | 899 | Disposed |
| March 11, 2013 | MPC | Stock Option (right to buy) | Common Stock | $32.06 | June 1, 2016 | 5,077 | Disposed |
| Feb. 27, 2013 | MPC | Stock Option (right to buy) | Common Stock | $82.74 | Feb. 27, 2023 | 10,458 | Acquired |
| Feb. 29, 2012 | MPC | Stock Option (right to buy) | Common Stock | $41.55 | March 1, 2022 | 22,409 | Acquired |
| Dec. 5, 2011 | MPC | Stock Option (right to buy) | Common Stock | $34.40 | Dec. 5, 2021 | 4,436 | Acquired |
| June 30, 2011 | MPC | Stock Option (right to buy) | Common Stock | $41.69 | Feb. 23, 2021 | 21,125 | Acquired |
| June 30, 2011 | MPC | Stock Option (right to buy) | Common Stock | $25.74 | May 26, 2020 | 20,787 | Acquired |
| June 30, 2011 | MPC | Stock Option (right to buy) | Common Stock | $24.79 | May 27, 2019 | 8,653 | Acquired |
| June 30, 2011 | MPC | Stock Option (right to buy) | Common Stock | $43.38 | May 28, 2018 | 3,339 | Acquired |
| June 30, 2011 | MPC | Stock Option (right to buy) | Common Stock | $51.75 | May 30, 2017 | 5,426 | Acquired |
| June 30, 2011 | MPC | Stock Option (right to buy) | Common Stock | $32.06 | June 1, 2016 | 5,077 | Acquired |
Exercise/conversion price is blank when not applicable (e.g. RSUs).