Michael C. Palmer

Insider

First SEC filing: March 2, 2012 · Latest: March 2, 2012

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Compensation Executive pay disclosed in company proxy statements.

Insider at

MPC selling Dec. 14, 2017

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 84 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

84 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
March 1, 2018	MPC	A	24,871	—	—	24,871 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2018	MPC	A	4,446	—	—	61,569 Direct	+7.78%	Acquired	(price as of 2026-08-20)
March 1, 2018	MPC	F	829	$64.86	$53,769	57,123 Direct	-1.43%	Disposed	461.9% (price as of 2026-08-20)
March 1, 2018	MPC	F	1,038	$64.86	$67,325	57,952 Direct	-1.76%	Disposed	461.9% (price as of 2026-08-20)
March 1, 2018	MPC	F	547	$64.86	$35,478	58,990 Direct	-0.92%	Disposed	461.9% (price as of 2026-08-20)
Jan. 31, 2018	MPC	A	1,779	—	—	59,537 Direct	+3.08%	Acquired	(price as of 2026-08-20)
Dec. 14, 2017	MPC	M	16,914	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 14, 2017	MPC	M	16,916	—	—	16,914 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Dec. 14, 2017	MPC	M	16,916	—	—	33,830 Direct	-33.33%	Disposed	(price as of 2026-08-20)
Dec. 14, 2017	MPC	S	16,914	$65.00	$1,099,410	57,758 Direct	-22.65%	Disposed	460.7% (price as of 2026-08-20)
Dec. 14, 2017	MPC	M	16,914	$20.84	$352,488	74,672 Direct	+29.28%	Acquired	1648.8% (price as of 2026-08-20)
Dec. 14, 2017	MPC	S	16,916	$64.57	$1,092,266	57,758 Direct	-22.65%	Disposed	464.4% (price as of 2026-08-20)
Dec. 14, 2017	MPC	M	16,916	$20.84	$352,529	74,674 Direct	+29.29%	Acquired	1648.8% (price as of 2026-08-20)
Dec. 14, 2017	MPC	S	16,916	$64.77	$1,095,649	57,758 Direct	-22.65%	Disposed	462.7% (price as of 2026-08-20)
Dec. 14, 2017	MPC	M	16,916	$20.84	$352,529	74,674 Direct	+29.29%	Acquired	1648.8% (price as of 2026-08-20)
Dec. 12, 2017	MPC	M	17,298	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 12, 2017	MPC	S	17,298	$64.55	$1,116,586	57,758 Direct	-23.05%	Disposed	464.6% (price as of 2026-08-20)
Dec. 12, 2017	MPC	M	17,298	$12.87	$222,625	75,056 Direct	+29.95%	Acquired	2731.7% (price as of 2026-08-20)
Sept. 14, 2017	MPC	M	11,450	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Sept. 14, 2017	MPC	S	11,450	$53.02	$607,079	57,758 Direct	-16.54%	Disposed	587.4% (price as of 2026-08-20)
Sept. 14, 2017	MPC	M	11,450	$21.69	$248,350	69,208 Direct	+19.82%	Acquired	1580.2% (price as of 2026-08-20)
May 24, 2017	MPC	M	4,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 24, 2017	MPC	S	4,000	$53.25	$213,000	57,757 Direct	-6.48%	Disposed	584.4% (price as of 2026-08-20)
May 24, 2017	MPC	M	4,000	$25.88	$103,520	61,757 Direct	+6.93%	Acquired	1308.2% (price as of 2026-08-20)
May 18, 2017	MPC	M	4,568	—	—	4,000 Direct	-53.31%	Disposed	(price as of 2026-08-20)
May 18, 2017	MPC	S	4,568	$52.04	$237,719	57,757 Direct	-7.33%	Disposed	600.3% (price as of 2026-08-20)
May 18, 2017	MPC	M	4,568	$25.88	$118,220	62,325 Direct	+7.91%	Acquired	1308.2% (price as of 2026-08-20)
March 1, 2017	MPC	A	40,590	—	—	40,590 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2017	MPC	A	5,668	—	—	57,757 Direct	+10.88%	Acquired	(price as of 2026-08-20)
March 1, 2017	MPC	F	1,293	$50.74	$65,607	52,089 Direct	-2.42%	Disposed	618.2% (price as of 2026-08-20)
March 1, 2017	MPC	F	880	$50.74	$44,651	53,382 Direct	-1.62%	Disposed	618.2% (price as of 2026-08-20)
March 1, 2017	MPC	F	948	$50.74	$48,102	54,262 Direct	-1.72%	Disposed	618.2% (price as of 2026-08-20)
Feb. 1, 2017	MPC	A	1,999	—	—	55,210 Direct	+3.76%	Acquired	(price as of 2026-08-20)
March 1, 2016	MPC	A	57,974	—	—	57,974 Direct	—	Acquired	(price as of 2026-08-20)
March 1, 2016	MPC	A	8,346	—	—	53,210 Direct	+18.60%	Acquired	(price as of 2026-08-20)
March 1, 2016	MPC	F	603	$34.44	$20,767	44,864 Direct	-1.33%	Disposed	958.2% (price as of 2026-08-20)
March 1, 2016	MPC	F	650	$34.44	$22,386	45,467 Direct	-1.41%	Disposed	958.2% (price as of 2026-08-20)
Feb. 29, 2016	MPC	F	524	$34.54	$18,099	46,117 Direct	-1.12%	Disposed	955.1% (price as of 2026-08-20)
Feb. 1, 2016	MPC	A	2,382	—	—	46,641 Direct	+5.38%	Acquired	(price as of 2026-08-20)
March 2, 2015	MPC	A	21,408	—	—	21,408 Direct	—	Acquired	(price as of 2026-08-20)
March 2, 2015	MPC	A	2,840	—	—	22,129 Direct	+14.72%	Acquired	(price as of 2026-08-20)
March 2, 2015	MPC	F	452	$102.68	$46,411	19,289 Direct	-2.29%	Disposed	609.9% (price as of 2026-08-20)
March 2, 2015	MPC	F	563	$102.68	$57,809	19,741 Direct	-2.77%	Disposed	609.9% (price as of 2026-08-20)
Feb. 27, 2015	MPC	F	262	$106.58	$27,924	20,304 Direct	-1.27%	Disposed	583.9% (price as of 2026-08-20)
Jan. 30, 2015	MPC	A	1,151	—	—	20,566 Direct	+5.93%	Acquired	(price as of 2026-08-20)
Dec. 5, 2014	MPC	F	55	$94.57	$5,201	19,415 Direct	-0.28%	Disposed	670.7% (price as of 2026-08-20)
March 3, 2014	MPC	A	20,507	—	—	20,507 Direct	—	Acquired	(price as of 2026-08-20)
March 3, 2014	MPC	A	3,059	—	—	19,470 Direct	+18.64%	Acquired	(price as of 2026-08-20)
March 3, 2014	MPC	F	820	$84.18	$69,028	16,411 Direct	-4.76%	Disposed	765.9% (price as of 2026-08-20)
Feb. 27, 2014	MPC	F	262	$85.68	$22,448	17,231 Direct	-1.50%	Disposed	750.7% (price as of 2026-08-20)
Feb. 24, 2014	MPC	F	1,166	$88.78	$103,517	17,493 Direct	-6.25%	Disposed	721.0% (price as of 2026-08-20)
Dec. 5, 2013	MPC	F	55	$84.11	$4,626	18,659 Direct	-0.29%	Disposed	766.6% (price as of 2026-08-20)
June 3, 2013	MPC	F	1,090	$81.59	$88,933	18,714 Direct	-5.50%	Disposed	793.3% (price as of 2026-08-20)
May 3, 2013	MPC	I	987	$77.76	$76,749	2,748 Indirect	-26.43%	Disposed	837.3% (price as of 2026-08-20)
March 14, 2013	MPC	M	2,322	—	—	8,649 Direct	-21.16%	Disposed	(price as of 2026-08-20)
March 14, 2013	MPC	M	1,426	—	—	10,971 Direct	-11.50%	Disposed	(price as of 2026-08-20)
March 14, 2013	MPC	M	7,153	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 14, 2013	MPC	M	1,500	—	—	7,153 Direct	-17.34%	Disposed	(price as of 2026-08-20)
March 14, 2013	MPC	S	2,322	$87.00	$202,014	19,804 Direct	-10.49%	Disposed	737.8% (price as of 2026-08-20)
March 14, 2013	MPC	M	2,322	$2322.00	$5,391,684	22,126 Direct	+11.72%	Acquired	-68.6% (price as of 2026-08-20)
March 14, 2013	MPC	S	1,426	$87.50	$124,775	19,804 Direct	-6.72%	Disposed	733.0% (price as of 2026-08-20)
March 14, 2013	MPC	M	1,426	$1426.00	$2,033,476	21,230 Direct	+7.20%	Acquired	-48.9% (price as of 2026-08-20)
March 14, 2013	MPC	S	7,153	$87.00	$622,311	19,804 Direct	-26.53%	Disposed	737.8% (price as of 2026-08-20)
March 14, 2013	MPC	M	7,153	$24.79	$177,323	26,957 Direct	+36.12%	Acquired	2840.2% (price as of 2026-08-20)
March 14, 2013	MPC	S	1,500	$87.50	$131,250	19,804 Direct	-7.04%	Disposed	733.0% (price as of 2026-08-20)
March 14, 2013	MPC	M	1,500	$24.79	$37,185	21,304 Direct	+7.57%	Acquired	2840.2% (price as of 2026-08-20)
March 13, 2013	MPC	M	2,570	$14.25	$36,622	18,157 Direct	+16.49%	Acquired	5014.9% (price as of 2026-08-20)
March 13, 2013	MPC	D	1,196	$88.26	$105,559	16,961 Direct	-6.59%	Disposed	725.8% (price as of 2026-08-20)
March 13, 2013	MPC	M	203	$21.90	$4,446	17,164 Direct	+1.20%	Acquired	3228.2% (price as of 2026-08-20)
March 13, 2013	MPC	S	203	$88.16	$17,896	16,961 Direct	-1.18%	Disposed	726.8% (price as of 2026-08-20)
March 13, 2013	MPC	M	2,843	$21.90	$62,262	19,804 Direct	+16.76%	Acquired	3228.2% (price as of 2026-08-20)
March 13, 2013	MPC	M	4,759	$32.06	$152,574	24,563 Direct	+24.03%	Acquired	2173.5% (price as of 2026-08-20)
March 13, 2013	MPC	S	4,759	$88.18	$419,649	19,804 Direct	-19.37%	Disposed	726.6% (price as of 2026-08-20)
March 13, 2013	MPC	M	6,981	$24.79	$173,059	26,785 Direct	+35.25%	Acquired	2840.2% (price as of 2026-08-20)
March 13, 2013	MPC	S	6,981	$88.16	$615,445	19,804 Direct	-26.06%	Disposed	726.8% (price as of 2026-08-20)
March 13, 2013	MPC	M	3,490	$25.74	$89,833	23,294 Direct	+17.62%	Acquired	2731.7% (price as of 2026-08-20)
March 13, 2013	MPC	S	3,490	$87.92	$306,841	19,804 Direct	-14.98%	Disposed	729.0% (price as of 2026-08-20)
March 13, 2013	MPC	M	4,900	$25.74	$126,126	24,704 Direct	+24.74%	Acquired	2731.7% (price as of 2026-08-20)
March 13, 2013	MPC	S	4,900	$87.79	$430,171	19,804 Direct	-19.83%	Disposed	730.3% (price as of 2026-08-20)
March 13, 2013	MPC	M	2,570	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 13, 2013	MPC	M	203	—	—	2,843 Direct	-6.66%	Disposed	(price as of 2026-08-20)
March 13, 2013	MPC	M	2,843	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 13, 2013	MPC	M	4,759	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 13, 2013	MPC	M	6,981	—	—	8,653 Direct	-44.65%	Disposed	(price as of 2026-08-20)
March 13, 2013	MPC	M	3,490	—	—	17,297 Direct	-16.79%	Disposed	(price as of 2026-08-20)
March 13, 2013	MPC	M	4,900	—	—	12,397 Direct	-28.33%	Disposed	(price as of 2026-08-20)
March 1, 2013	MPC	F	563	$83.68	$47,112	15,587 Direct	-3.49%	Disposed	771.0% (price as of 2026-08-20)
Feb. 27, 2013	MPC	A	2,466	—	—	16,150 Direct	+18.02%	Acquired	(price as of 2026-08-20)
Feb. 27, 2013	MPC	A	15,687	—	—	15,687 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 2, 2013	MPC	F	331	$63.51	$21,022	13,684 Direct	-2.36%	Disposed	1047.7% (price as of 2026-08-20)
Dec. 5, 2012	MPC	F	42	$58.69	$2,465	14,015 Direct	-0.30%	Disposed	1141.9% (price as of 2026-08-20)
Feb. 29, 2012	MPC	A	30,813	—	—	30,813 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 29, 2012	MPC	A	5,295	—	—	14,056 Direct	+60.44%	Acquired	(price as of 2026-08-20)
Jan. 3, 2012	MPC	F	290	$34.16	$9,906	8,761 Direct	-3.20%	Disposed	2033.7% (price as of 2026-08-20)
Dec. 5, 2011	MPC	A	5,772	—	—	5,772 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 5, 2011	MPC	A	351	—	—	9,051 Direct	+4.03%	Acquired	(price as of 2026-08-20)
June 30, 2011	MPC	A	20,787	—	—	20,787 Direct	—	Acquired	(price as of 2026-08-20)
June 30, 2011	MPC	A	25,373	—	—	25,373 Direct	—	Acquired	(price as of 2026-08-20)
June 30, 2011	MPC	A	20,787	—	—	20,787 Direct	—	Acquired	(price as of 2026-08-20)
June 30, 2011	MPC	A	15,634	—	—	15,634 Direct	—	Acquired	(price as of 2026-08-20)

Showing latest 100 of 107 transactions

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
March 1, 2018	MPC	Stock Option (right to buy)	Common Stock (24,871)	$64.79	March 1, 2028	24,871	Acquired
Dec. 14, 2017	MPC	Stock Option (right to buy)	Common Stock	—	Feb. 23, 2021	16,914	Disposed
Dec. 14, 2017	MPC	Stock Option (right to buy)	Common Stock	—	Feb. 23, 2021	16,916	Disposed
Dec. 14, 2017	MPC	Stock Option (right to buy)	Common Stock	—	Feb. 23, 2021	16,916	Disposed
Dec. 12, 2017	MPC	Stock Option (right to buy)	Common Stock	—	May 26, 2020	17,298	Disposed
Sept. 14, 2017	MPC	Stock Option (right to buy)	Common Stock	—	May 28, 2018	11,450	Disposed
May 24, 2017	MPC	Stock Option (right to buy)	Common Stock	—	May 30, 2017	4,000	Disposed
May 18, 2017	MPC	Stock Option (right to buy)	Common Stock	—	May 30, 2017	4,568	Disposed
March 1, 2017	MPC	Stock Option (right to buy)	Common Stock (40,590)	$50.99	March 1, 2027	40,590	Acquired
March 1, 2016	MPC	Stock Option (right to buy)	Common Stock (57,974)	$34.63	March 1, 2026	57,974	Acquired
March 2, 2015	MPC	Stock Option (right to buy)	Common Stock (21,408)	$101.78	March 1, 2025	21,408	Acquired
March 3, 2014	MPC	Stock Option (right to buy)	Common Stock (20,507)	$83.37	March 1, 2024	20,507	Acquired
March 14, 2013	MPC	Stock Option (right to buy)	Common Stock (2,322)	$25.74	May 26, 2020	2,322	Disposed
March 14, 2013	MPC	Stock Option (right to buy)	Common Stock (1,426)	$25.74	May 26, 2020	1,426	Disposed
March 14, 2013	MPC	Stock Option (right to buy)	Common Stock (7,153)	$24.79	May 27, 2019	7,153	Disposed
March 14, 2013	MPC	Stock Option (right to buy)	Common Stock (1,500)	$24.79	May 27, 2019	1,500	Disposed
March 13, 2013	MPC	Stock Appreciation Right	Common Stock (2,570)	$14.25	May 26, 2014	2,570	Disposed
March 13, 2013	MPC	Stock Option (right to buy)	Common Stock (203)	$21.90	June 10, 2015	203	Disposed
March 13, 2013	MPC	Stock Option (right to buy)	Common Stock (2,843)	$21.90	June 10, 2015	2,843	Disposed
March 13, 2013	MPC	Stock Option (right to buy)	Common Stock (4,759)	$32.06	June 1, 2016	4,759	Disposed
March 13, 2013	MPC	Stock Option (right to buy)	Common Stock (6,981)	$24.79	May 27, 2019	6,981	Disposed
March 13, 2013	MPC	Stock Option (right to buy)	Common Stock (3,490)	$25.74	May 26, 2020	3,490	Disposed
March 13, 2013	MPC	Stock Option (right to buy)	Common Stock (4,900)	$25.74	May 26, 2020	4,900	Disposed
Feb. 27, 2013	MPC	Stock Option (right to buy)	Common Stock (15,687)	$82.74	Feb. 27, 2023	15,687	Acquired
Feb. 29, 2012	MPC	Stock Option (right to buy)	Common Stock (30,813)	$41.55	March 1, 2022	30,813	Acquired
Dec. 5, 2011	MPC	Stock Option (right to buy)	Common Stock (5,772)	$34.40	Dec. 5, 2021	5,772	Acquired
June 30, 2011	MPC	Stock Option (right to buy)	Common Stock (20,787)	$25.74	May 26, 2020	20,787	Acquired
June 30, 2011	MPC	Stock Option (right to buy)	Common Stock (25,373)	$41.69	Feb. 23, 2021	25,373	Acquired
June 30, 2011	MPC	Stock Option (right to buy)	Common Stock (20,787)	$25.74	May 26, 2020	20,787	Acquired
June 30, 2011	MPC	Stock Option (right to buy)	Common Stock (15,634)	$24.79	May 27, 2019	15,634	Acquired
June 30, 2011	MPC	Stock Option (right to buy)	Common Stock (5,725)	$43.38	May 28, 2018	5,725	Acquired
June 30, 2011	MPC	Stock Option (right to buy)	Common Stock (4,284)	$51.75	May 30, 2017	4,284	Acquired
June 30, 2011	MPC	Stock Option (right to buy)	Common Stock (4,759)	$32.06	June 1, 2016	4,759	Acquired
June 30, 2011	MPC	Stock Option (right to buy)	Common Stock (3,046)	$21.90	June 10, 2015	3,046	Acquired
June 30, 2011	MPC	Stock Appreciation Right	Common Stock (2,570)	$14.25	May 26, 2014	2,570	Acquired

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Compensation (DEF 14A)

Matched by name from proxy statements (DEF 14A) — verify against the filing.

MPC

Fiscal year	Salary	Bonus	Stock awards	Option awards	Non-equity incentive	Pension change	Other	Total
2017	$650,000	—	$1,063,443	$578,002	$900,000	$178,139	$101,874	$3,471,458
2016	—	—	—	—	—	—	—	—
2014	$537,500	—	—	—	$725,000	$793,637	$96,493	$3,351,168

Figures from the Summary Compensation Table of the company's proxy statement (DEF 14A). Compensation is not a recommendation.