Thomas Kaczynski
Insider
First SEC filing: Dec. 10, 2020 · Latest: Dec. 10, 2020
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 |
|---|---|---|---|---|---|---|---|---|---|
| Dec. 2, 2022 | MPLX | F | 173 | $33.82 | $5,851 | 18,091 Direct | -0.95% | Disposed | 66.7% (price as of 2026-10-02) |
| Dec. 2, 2022 | MPC | F | 73 | $118.23 | $8,631 | 7,871 Direct | -0.92% | Disposed | 257.2% (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 10,645 | · | · | 5,323 Direct | -66.66% | Disposed | (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 10,879 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 8,291 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 12,360 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 17,653 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 9,008 | · | · | 0 Direct | -100.00% | Disposed | (price as of 2026-10-02) |
| June 10, 2022 | MPC | S 10b5-1 | 15,000 | $109.27 | $1,639,050 | 7,944 Direct | -65.38% | Disposed | 286.5% (price as of 2026-10-02) |
| June 10, 2022 | MPC | S 10b5-1 | 10,645 | $109.27 | $1,163,179 | 22,944 Direct | -31.69% | Disposed | 286.5% (price as of 2026-10-02) |
| June 10, 2022 | MPC | S 10b5-1 | 10,879 | $109.27 | $1,188,748 | 33,589 Direct | -24.46% | Disposed | 286.5% (price as of 2026-10-02) |
| June 10, 2022 | MPC | S 10b5-1 | 8,291 | $109.27 | $905,958 | 44,468 Direct | -15.71% | Disposed | 286.5% (price as of 2026-10-02) |
| June 10, 2022 | MPC | S 10b5-1 | 12,360 | $109.27 | $1,350,577 | 52,759 Direct | -18.98% | Disposed | 286.5% (price as of 2026-10-02) |
| June 10, 2022 | MPC | S 10b5-1 | 17,653 | $109.27 | $1,928,943 | 65,119 Direct | -21.33% | Disposed | 286.5% (price as of 2026-10-02) |
| June 10, 2022 | MPC | S 10b5-1 | 9,008 | $109.27 | $984,304 | 82,772 Direct | -9.81% | Disposed | 286.5% (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 10,645 | $47.73 | $508,086 | 91,780 Direct | +13.12% | Acquired | 784.8% (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 10,879 | $62.68 | $681,896 | 81,135 Direct | +15.48% | Acquired | 573.8% (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 8,291 | $64.79 | $537,174 | 70,256 Direct | +13.38% | Acquired | 551.8% (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 12,360 | $50.99 | $630,236 | 61,965 Direct | +24.92% | Acquired | 728.3% (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 17,653 | $34.63 | $611,323 | 49,605 Direct | +55.25% | Acquired | 1119.5% (price as of 2026-10-02) |
| June 10, 2022 | MPC | M | 9,008 | $46.06 | $414,908 | 31,952 Direct | +39.26% | Acquired | 816.9% (price as of 2026-10-02) |
| March 1, 2022 | MPC | F | 220 | $76.84 | $16,905 | 21,265 Direct | -1.02% | Disposed | 449.6% (price as of 2026-10-02) |
| March 1, 2022 | MPC | A | 1,679 | · | · | 22,944 Direct | +7.90% | Acquired | (price as of 2026-10-02) |
| March 1, 2022 | MPC | F | 210 | $76.84 | $16,136 | 21,485 Direct | -0.97% | Disposed | 449.6% (price as of 2026-10-02) |
| March 1, 2022 | MPLX | A | 3,976 | · | · | 18,264 Direct | +27.83% | Acquired | (price as of 2026-10-02) |
| March 1, 2022 | MPLX | F | 461 | $32.63 | $15,042 | 14,288 Direct | -3.13% | Disposed | 72.8% (price as of 2026-10-02) |
| March 1, 2022 | MPLX | F | 312 | $32.63 | $10,181 | 14,749 Direct | -2.07% | Disposed | 72.8% (price as of 2026-10-02) |
| March 1, 2022 | MPLX | F | 167 | $32.63 | $5,449 | 15,061 Direct | -1.10% | Disposed | 72.8% (price as of 2026-10-02) |
| Jan. 27, 2022 | MPC | A | 925 | · | · | 21,695 Direct | +4.45% | Acquired | (price as of 2026-10-02) |
| Jan. 25, 2022 | MPLX | A | 490 | · | · | 15,228 Direct | +3.32% | Acquired | (price as of 2026-10-02) |
| Nov. 19, 2021 | MPLX | F | 173 | $29.68 | $5,135 | 14,738 Direct | -1.16% | Disposed | 90.0% (price as of 2026-10-02) |
| Nov. 19, 2021 | MPC | F | 82 | $60.28 | $4,943 | 20,770 Direct | -0.39% | Disposed | 600.6% (price as of 2026-10-02) |
| March 1, 2021 | MPLX | A | 5,384 | · | · | 14,911 Direct | +56.51% | Acquired | (price as of 2026-10-02) |
| March 1, 2021 | MPLX | F | 312 | $24.59 | $7,672 | 9,527 Direct | -3.17% | Disposed | 129.3% (price as of 2026-10-02) |
| March 1, 2021 | MPLX | F | 167 | $24.59 | $4,107 | 9,839 Direct | -1.67% | Disposed | 129.3% (price as of 2026-10-02) |
| March 1, 2021 | MPLX | F | 146 | $24.59 | $3,590 | 10,006 Direct | -1.44% | Disposed | 129.3% (price as of 2026-10-02) |
| March 1, 2021 | MPC | A | 2,563 | · | · | 20,852 Direct | +14.01% | Acquired | (price as of 2026-10-02) |
| March 1, 2021 | MPC | F | 210 | $55.88 | $11,735 | 18,289 Direct | -1.14% | Disposed | 655.8% (price as of 2026-10-02) |
| Jan. 29, 2021 | MPC | A | 981 | · | · | 18,499 Direct | +5.60% | Acquired | (price as of 2026-10-02) |
| Jan. 28, 2021 | MPLX | A | 513 | · | · | 10,152 Direct | +5.32% | Acquired | (price as of 2026-10-02) |
| Dec. 28, 2020 | MPC | F | 486 | $40.78 | $19,819 | 17,518 Direct | -2.70% | Disposed | 935.6% (price as of 2026-10-02) |
| Dec. 28, 2020 | MPC | F | 217 | $40.78 | $8,849 | 18,004 Direct | -1.19% | Disposed | 935.6% (price as of 2026-10-02) |
| Dec. 28, 2020 | MPLX | F | 53 | $21.50 | $1,140 | 9,639 Direct | -0.55% | Disposed | 162.2% (price as of 2026-10-02) |
| Dec. 28, 2020 | MPLX | F | 24 | $21.50 | $516 | 9,692 Direct | -0.25% | Disposed | 162.2% (price as of 2026-10-02) |
| March 2, 2020 | MPC | A | 15,968 | · | · | 15,968 Direct | · | Acquired | (price as of 2026-10-02) |
| March 2, 2020 | MPC | A | 2,179 | · | · | 18,221 Direct | +13.58% | Acquired | (price as of 2026-10-02) |
| March 2, 2020 | MPC | F | 160 | $46.95 | $7,512 | 16,042 Direct | -0.99% | Disposed | 799.5% (price as of 2026-10-02) |
| March 2, 2020 | MPC | F | 143 | $46.95 | $6,714 | 16,202 Direct | -0.87% | Disposed | 799.5% (price as of 2026-10-02) |
| March 2, 2020 | MPC | F | 167 | $46.95 | $7,841 | 16,345 Direct | -1.01% | Disposed | 799.5% (price as of 2026-10-02) |
| Jan. 27, 2020 | MPC | A | 657 | · | · | 16,512 Direct | +4.14% | Acquired | (price as of 2026-10-02) |
| March 1, 2019 | MPC | A | 10,879 | · | · | 10,879 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2019 | MPC | A | 1,660 | · | · | 15,855 Direct | +11.69% | Acquired | (price as of 2026-10-02) |
| March 1, 2019 | MPC | F | 143 | $62.66 | $8,960 | 14,195 Direct | -1.00% | Disposed | 574.0% (price as of 2026-10-02) |
| March 1, 2019 | MPC | F | 166 | $62.66 | $10,402 | 14,338 Direct | -1.14% | Disposed | 574.0% (price as of 2026-10-02) |
| March 1, 2019 | MPC | F | 245 | $62.66 | $15,352 | 14,504 Direct | -1.66% | Disposed | 574.0% (price as of 2026-10-02) |
| Jan. 28, 2019 | MPC | A | 567 | · | · | 14,749 Direct | +4.00% | Acquired | (price as of 2026-10-02) |
| Sept. 4, 2018 | MPC | F | 1,281 | $83.84 | $107,399 | 14,182 Direct | -8.28% | Disposed | 403.7% (price as of 2026-10-02) |
| March 1, 2018 | MPC | F | 284 | $64.86 | $18,420 | 14,142 Direct | -1.97% | Disposed | 551.1% (price as of 2026-10-02) |
| March 1, 2018 | MPC | F | 161 | $64.86 | $10,442 | 13,981 Direct | -1.14% | Disposed | 551.1% (price as of 2026-10-02) |
| March 1, 2018 | MPC | A | 1,482 | · | · | 15,463 Direct | +10.60% | Acquired | (price as of 2026-10-02) |
| March 1, 2018 | MPC | A | 8,291 | · | · | 8,291 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2017 | MPC | F | 1,413 | $53.41 | $75,468 | 14,426 Direct | -8.92% | Disposed | 690.7% (price as of 2026-10-02) |
| March 1, 2017 | MPC | F | 315 | $50.74 | $15,983 | 14,113 Direct | -2.18% | Disposed | 732.3% (price as of 2026-10-02) |
| March 1, 2017 | MPC | A | 1,726 | · | · | 15,839 Direct | +12.23% | Acquired | (price as of 2026-10-02) |
| March 1, 2017 | MPC | A | 12,360 | · | · | 12,360 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2016 | MPC | F | 1,413 | $41.99 | $59,332 | 14,428 Direct | -8.92% | Disposed | 905.8% (price as of 2026-10-02) |
| March 1, 2016 | MPC | A | 17,653 | · | · | 17,653 Direct | · | Acquired | (price as of 2026-10-02) |
| March 1, 2016 | MPC | A | 2,542 | · | · | 15,841 Direct | +19.11% | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2015 | MPC | A | 9,008 | · | · | 9,008 Direct | · | Acquired | (price as of 2026-10-02) |
| Sept. 1, 2015 | MPC | A | 13,299 | · | · | 13,299 Direct | · | Acquired | (price as of 2026-10-02) |
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 |
|---|---|---|---|---|---|---|---|
| June 10, 2022 | MPC | Employee Stock Option (right to buy) | Common Stock | $47.73 | March 1, 2030 | 10,645 | Disposed |
| June 10, 2022 | MPC | Employee Stock Option (right to buy) | Common Stock | $62.68 | March 1, 2029 | 10,879 | Disposed |
| June 10, 2022 | MPC | Employee Stock Option (right to buy) | Common Stock | $64.79 | March 1, 2028 | 8,291 | Disposed |
| June 10, 2022 | MPC | Employee Stock Option (right to buy) | Common Stock | $50.99 | March 1, 2027 | 12,360 | Disposed |
| June 10, 2022 | MPC | Employee Stock Option (right to buy) | Common Stock | $34.63 | March 1, 2026 | 17,653 | Disposed |
| June 10, 2022 | MPC | Employee Stock Option (right to buy) | Common Stock | $46.06 | Sept. 1, 2025 | 9,008 | Disposed |
| March 2, 2020 | MPC | Employee Stock Option (right to buy) | Common Stock | $47.73 | March 1, 2030 | 15,968 | Acquired |
| March 1, 2019 | MPC | Stock Option (right to buy) | Common Stock | $62.68 | March 1, 2029 | 10,879 | Acquired |
| March 1, 2018 | MPC | Stock Option (right to buy) | Common Stock | $64.79 | March 1, 2028 | 8,291 | Acquired |
| March 1, 2017 | MPC | Stock Option (right to buy) | Common Stock | $50.99 | March 1, 2027 | 12,360 | Acquired |
| March 1, 2016 | MPC | Stock Option (right to buy) | Common Stock | $34.63 | March 1, 2026 | 17,653 | Acquired |
| Sept. 1, 2015 | MPC | Stock Option (right to buy) | Common Stock | $46.06 | Sept. 1, 2025 | 9,008 | 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 |
|---|---|---|---|---|
| Dec. 10, 2020 | MPLX | Common Units (Limited Partner Interests) | 9,716 | Direct |