Markwart Von Pentz

Insider

First SEC filing: June 2, 2026 · Latest: June 2, 2026

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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.
Initial holdings The stakes this person held when they first started reporting.

Insider at

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 72 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

72 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 2, 2026	MERC	A	25,000	—	—	25,000 Direct	—	Acquired	(price as of 2026-08-21)
June 2, 2025	MERC	A	27,933	—	—	27,933 Direct	—	Acquired	(price as of 2026-08-21)
June 7, 2023	DE	M	13,952	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 7, 2023	DE	M	13,981	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 7, 2023	DE	S	725	$383.43	$277,987	57,115 Direct	-1.25%	Disposed	62.7% (price as of 2026-08-21)
June 7, 2023	DE	S	4,406	$382.53	$1,685,427	57,840 Direct	-7.08%	Disposed	63.0% (price as of 2026-08-21)
June 7, 2023	DE	S	4,980	$381.60	$1,900,368	62,246 Direct	-7.41%	Disposed	63.4% (price as of 2026-08-21)
June 7, 2023	DE	S	2,634	$380.58	$1,002,448	67,226 Direct	-3.77%	Disposed	63.9% (price as of 2026-08-21)
June 7, 2023	DE	S	1,207	$379.09	$457,562	69,860 Direct	-1.70%	Disposed	64.5% (price as of 2026-08-21)
June 7, 2023	DE	M	13,952	$148.14	$2,066,849	71,067 Direct	+24.43%	Acquired	321.0% (price as of 2026-08-21)
June 7, 2023	DE	S	900	$383.39	$345,051	57,115 Direct	-1.55%	Disposed	62.7% (price as of 2026-08-21)
June 7, 2023	DE	S	4,263	$382.52	$1,630,683	58,015 Direct	-6.85%	Disposed	63.0% (price as of 2026-08-21)
June 7, 2023	DE	S	4,848	$381.63	$1,850,142	62,278 Direct	-7.22%	Disposed	63.4% (price as of 2026-08-21)
June 7, 2023	DE	S	2,870	$380.61	$1,092,351	67,126 Direct	-4.10%	Disposed	63.9% (price as of 2026-08-21)
June 7, 2023	DE	S	1,100	$379.14	$417,054	69,996 Direct	-1.55%	Disposed	64.5% (price as of 2026-08-21)
June 7, 2023	DE	M	13,981	$151.95	$2,124,413	71,096 Direct	+24.48%	Acquired	310.5% (price as of 2026-08-21)
May 26, 2023	DE	S 10b5-1	7,110	$356.69	$2,536,066	57,115 Direct	-11.07%	Disposed	74.9% (price as of 2026-08-21)
Dec. 14, 2022	DE	A	7,669	—	—	7,669 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 14, 2022	DE	A	1,704	—	—	64,225 Direct	+2.73%	Acquired	(price as of 2026-08-21)
Dec. 11, 2022	DE	F	6,061	$434.81	$2,635,383	62,521 Direct	-8.84%	Disposed	43.4% (price as of 2026-08-21)
Dec. 11, 2022	DE	A	8,880	—	—	68,582 Direct	+14.87%	Acquired	(price as of 2026-08-21)
March 14, 2022	DE	M	8,341	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
March 14, 2022	DE	S	4,851	$393.00	$1,906,443	59,702 Direct	-7.51%	Disposed	58.7% (price as of 2026-08-21)
March 14, 2022	DE	S	5,172	$393.00	$2,032,596	64,553 Direct	-7.42%	Disposed	58.7% (price as of 2026-08-21)
March 14, 2022	DE	S	8,341	$393.00	$3,278,013	69,725 Direct	-10.68%	Disposed	58.7% (price as of 2026-08-21)
March 14, 2022	DE	M	8,341	$88.18	$735,509	78,066 Direct	+11.96%	Acquired	607.3% (price as of 2026-08-21)
Dec. 15, 2021	DE	A	8,448	—	—	8,448 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 15, 2021	DE	A	1,564	—	—	69,725 Direct	+2.29%	Acquired	(price as of 2026-08-21)
Dec. 12, 2021	DE	F	6,900	$358.36	$2,472,684	68,161 Direct	-9.19%	Disposed	74.0% (price as of 2026-08-21)
Dec. 12, 2021	DE	A	10,108	—	—	75,061 Direct	+15.56%	Acquired	(price as of 2026-08-21)
June 1, 2021	DE	M	23,463	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
June 1, 2021	DE	S	23,463	$365.19	$8,568,453	64,593 Direct	-26.65%	Disposed	70.8% (price as of 2026-08-21)
June 1, 2021	DE	M	23,463	$100.55	$2,359,205	88,416 Direct	+36.12%	Acquired	520.3% (price as of 2026-08-21)
Dec. 13, 2020	DE	F	5,606	$255.77	$1,433,847	64,953 Direct	-7.95%	Disposed	143.8% (price as of 2026-08-21)
Dec. 13, 2020	DE	A	8,212	—	—	70,559 Direct	+13.17%	Acquired	(price as of 2026-08-21)
Dec. 9, 2020	DE	A	11,008	—	—	11,008 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 9, 2020	DE	A	1,935	—	—	62,347 Direct	+3.20%	Acquired	(price as of 2026-08-21)
Aug. 10, 2020	DE	M	9,912	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 10, 2020	DE	S	9,912	$185.00	$1,833,720	60,412 Direct	-14.09%	Disposed	237.1% (price as of 2026-08-21)
Aug. 10, 2020	DE	M	9,912	$79.24	$785,427	70,324 Direct	+16.41%	Acquired	687.1% (price as of 2026-08-21)
Feb. 21, 2020	DE	M	7,562	—	—	9,912 Direct	-43.28%	Disposed	(price as of 2026-08-21)
Feb. 21, 2020	DE	S	7,562	$178.00	$1,346,036	60,412 Direct	-11.12%	Disposed	250.4% (price as of 2026-08-21)
Feb. 21, 2020	DE	M	7,562	$79.24	$599,213	67,974 Direct	+12.52%	Acquired	687.1% (price as of 2026-08-21)
Jan. 21, 2020	DE	M	2,350	—	—	17,474 Direct	-11.85%	Disposed	(price as of 2026-08-21)
Jan. 21, 2020	DE	S	2,350	$175.10	$411,485	60,412 Direct	-3.74%	Disposed	256.2% (price as of 2026-08-21)
Jan. 21, 2020	DE	M	2,350	$79.24	$186,214	62,762 Direct	+3.89%	Acquired	687.1% (price as of 2026-08-21)
Dec. 14, 2019	DE	F	8,893	$172.50	$1,534,042	60,412 Direct	-12.83%	Disposed	261.6% (price as of 2026-08-21)
Dec. 14, 2019	DE	A	13,032	—	—	69,305 Direct	+23.16%	Acquired	(price as of 2026-08-21)
Dec. 11, 2019	DE	A	18,403	—	—	18,403 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 11, 2019	DE	A	2,775	—	—	56,273 Direct	+5.19%	Acquired	(price as of 2026-08-21)
Dec. 12, 2018	DE	A	13,952	—	—	13,952 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 12, 2018	DE	A	3,159	—	—	53,498 Direct	+6.28%	Acquired	(price as of 2026-08-21)
Dec. 9, 2018	DE	F	9,977	$147.26	$1,469,213	50,339 Direct	-16.54%	Disposed	323.5% (price as of 2026-08-21)
Dec. 9, 2018	DE	A	14,620	—	—	60,316 Direct	+31.99%	Acquired	(price as of 2026-08-21)
Dec. 13, 2017	DE	A	13,981	—	—	13,981 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 13, 2017	DE	A	2,566	—	—	45,696 Direct	+5.95%	Acquired	(price as of 2026-08-21)
Dec. 10, 2017	DE	F	5,336	$151.58	$808,831	43,130 Direct	-11.01%	Disposed	311.5% (price as of 2026-08-21)
Dec. 10, 2017	DE	A	6,440	—	—	48,466 Direct	+15.32%	Acquired	(price as of 2026-08-21)
Nov. 6, 2017	DE	M	9,083	—	—	19,824 Direct	-31.42%	Disposed	(price as of 2026-08-21)
Nov. 6, 2017	DE	M	15,060	—	—	8,341 Direct	-64.36%	Disposed	(price as of 2026-08-21)
Nov. 6, 2017	DE	S	9,083	$135.33	$1,229,202	42,026 Direct	-17.77%	Disposed	360.9% (price as of 2026-08-21)
Nov. 6, 2017	DE	M	9,083	$79.24	$719,737	51,109 Direct	+21.61%	Acquired	687.1% (price as of 2026-08-21)
Nov. 6, 2017	DE	S	15,060	$135.33	$2,038,070	42,026 Direct	-26.38%	Disposed	360.9% (price as of 2026-08-21)
Nov. 6, 2017	DE	M	15,060	$88.18	$1,327,991	57,086 Direct	+35.83%	Acquired	607.3% (price as of 2026-08-21)
Nov. 3, 2017	DE	M	752	—	—	28,907 Direct	-2.54%	Disposed	(price as of 2026-08-21)
Nov. 3, 2017	DE	M	1,248	—	—	23,401 Direct	-5.06%	Disposed	(price as of 2026-08-21)
Nov. 3, 2017	DE	S	752	$135.02	$101,535	42,026 Direct	-1.76%	Disposed	361.9% (price as of 2026-08-21)
Nov. 3, 2017	DE	M	752	$79.24	$59,588	42,778 Direct	+1.79%	Acquired	687.1% (price as of 2026-08-21)
Nov. 3, 2017	DE	S	1,248	$135.02	$168,505	42,026 Direct	-2.88%	Disposed	361.9% (price as of 2026-08-21)
Nov. 3, 2017	DE	M	1,248	$88.18	$110,049	43,274 Direct	+2.97%	Acquired	607.3% (price as of 2026-08-21)
Nov. 2, 2017	DE	M	376	—	—	29,659 Direct	-1.25%	Disposed	(price as of 2026-08-21)
Nov. 2, 2017	DE	M	624	—	—	24,649 Direct	-2.47%	Disposed	(price as of 2026-08-21)
Nov. 2, 2017	DE	S	376	$135.01	$50,764	42,026 Direct	-0.89%	Disposed	362.0% (price as of 2026-08-21)
Nov. 2, 2017	DE	M	376	$79.24	$29,794	42,402 Direct	+0.89%	Acquired	687.1% (price as of 2026-08-21)
Nov. 2, 2017	DE	S	624	$135.01	$84,246	42,026 Direct	-1.46%	Disposed	362.0% (price as of 2026-08-21)
Nov. 2, 2017	DE	M	624	$88.18	$55,024	42,650 Direct	+1.48%	Acquired	607.3% (price as of 2026-08-21)
Sept. 19, 2017	DE	M	12,495	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Sept. 19, 2017	DE	S	12,495	$120.18	$1,501,649	42,026 Direct	-22.92%	Disposed	419.0% (price as of 2026-08-21)
Sept. 19, 2017	DE	M	12,495	$87.46	$1,092,813	54,521 Direct	+29.73%	Acquired	613.1% (price as of 2026-08-21)
Sept. 18, 2017	DE	M	9,600	—	—	12,495 Direct	-43.45%	Disposed	(price as of 2026-08-21)
Sept. 18, 2017	DE	S	9,600	$120.01	$1,152,096	42,026 Direct	-18.60%	Disposed	419.7% (price as of 2026-08-21)
Sept. 18, 2017	DE	M	9,600	$87.46	$839,616	51,626 Direct	+22.84%	Acquired	613.1% (price as of 2026-08-21)
Aug. 22, 2017	DE	M	20,942	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 22, 2017	DE	M	20,376	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 22, 2017	DE	M	5,139	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-21)
Aug. 22, 2017	DE	S	46,457	$116.74	$5,423,390	42,026 Direct	-52.50%	Disposed	434.3% (price as of 2026-08-21)
Aug. 22, 2017	DE	M	20,942	$86.36	$1,808,551	88,483 Direct	+31.01%	Acquired	622.2% (price as of 2026-08-21)
Aug. 22, 2017	DE	M	20,376	$80.61	$1,642,509	67,541 Direct	+43.20%	Acquired	673.7% (price as of 2026-08-21)
Aug. 22, 2017	DE	M	5,139	$88.82	$456,446	47,165 Direct	+12.23%	Acquired	602.2% (price as of 2026-08-21)
Dec. 14, 2016	DE	A	23,463	—	—	23,463 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 14, 2016	DE	A	4,072	—	—	42,026 Direct	+10.73%	Acquired	(price as of 2026-08-21)
Dec. 11, 2016	DE	F	2,276	$103.62	$235,839	37,954 Direct	-5.66%	Disposed	501.9% (price as of 2026-08-21)
Dec. 11, 2016	DE	F	1,219	$103.62	$126,313	40,230 Direct	-2.94%	Disposed	501.9% (price as of 2026-08-21)
Dec. 11, 2016	DE	A	2,392	—	—	41,449 Direct	+6.12%	Acquired	(price as of 2026-08-21)
Dec. 12, 2015	DE	F	2,096	$77.16	$161,727	39,057 Direct	-5.09%	Disposed	708.3% (price as of 2026-08-21)
Dec. 9, 2015	DE	A	30,035	—	—	30,035 Direct	—	Acquired	(price as of 2026-08-21)
Dec. 9, 2015	DE	A	4,569	—	—	41,153 Direct	+12.49%	Acquired	(price as of 2026-08-21)
June 26, 2015	DE	M	24,287	—	—	0 Direct	—	Acquired	(price as of 2026-08-21)
June 26, 2015	DE	S	24,287	$95.06	$2,308,722	36,584 Direct	-39.90%	Disposed	556.1% (price as of 2026-08-21)
June 26, 2015	DE	M	24,287	$74.24	$1,803,067	60,871 Direct	+66.39%	Acquired	740.1% (price as of 2026-08-21)

Showing latest 100 of 146 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
June 2, 2026	MERC	Deferred Stock Units [F1]	Common Stock [F1]	—	—	25,000	Acquired
June 7, 2023	DE	Market Priced Options [F1,F13]	Common Stock (13,952)	$148.14	Dec. 12, 2028	13,952	Disposed
June 7, 2023	DE	Market Priced Options [F1,F13]	Common Stock (13,981)	$151.95	Dec. 13, 2027	13,981	Disposed
Dec. 14, 2022	DE	Market Priced Options [F3]	Common Stock (7,669)	$438.44	Dec. 14, 2032	7,669	Acquired
March 14, 2022	DE	Market Priced Options [F1,F4]	Common Stock (8,341)	$88.18	Dec. 10, 2024	8,341	Disposed
Dec. 15, 2021	DE	Market Priced Options [F3]	Common Stock (8,448)	$343.94	Dec. 15, 2031	8,448	Acquired
June 1, 2021	DE	Market Priced Options [F1,F3]	Common Stock (23,463)	$100.55	Dec. 14, 2026	23,463	Disposed
Dec. 9, 2020	DE	Market Priced Options [F3]	Common Stock (11,008)	$254.83	Dec. 9, 2030	11,008	Acquired
Aug. 10, 2020	DE	Market Priced Options [F3]	Common Stock (9,912)	$79.24	Dec. 9, 2025	9,912	Disposed
Feb. 21, 2020	DE	Market Priced Options [F1,F3]	Common Stock (7,562)	$79.24	Dec. 9, 2025	7,562	Disposed
Jan. 21, 2020	DE	Market Priced Options [F1,F4]	Common Stock (2,350)	$79.24	Dec. 9, 2025	2,350	Disposed
Dec. 11, 2019	DE	Market Priced Options [F3]	Common Stock (18,403)	$169.70	Dec. 11, 2029	18,403	Acquired
Dec. 12, 2018	DE	Market Priced Options [F3]	Common Stock (13,952)	$148.14	Dec. 12, 2028	13,952	Acquired
Dec. 13, 2017	DE	Market Priced Options [F3]	Common Stock (13,981)	$151.95	Dec. 13, 2027	13,981	Acquired
Nov. 6, 2017	DE	Market Priced Options [F1,F4]	Common Stock (9,083)	$79.24	Dec. 9, 2025	9,083	Disposed
Nov. 6, 2017	DE	Market Priced Options [F1,F4]	Common Stock (15,060)	$88.18	Dec. 10, 2024	15,060	Disposed
Nov. 3, 2017	DE	Market Priced Options [F1,F5]	Common Stock (752)	$79.24	Dec. 9, 2025	752	Disposed
Nov. 3, 2017	DE	Market Priced Options [F1,F5]	Common Stock (1,248)	$88.18	Dec. 10, 2024	1,248	Disposed
Nov. 2, 2017	DE	Market Priced Options [F1,F5]	Common Stock (376)	$79.24	Dec. 9, 2025	376	Disposed
Nov. 2, 2017	DE	Market Priced Options [F1,F5]	Common Stock (624)	$88.18	Dec. 10, 2024	624	Disposed
Sept. 19, 2017	DE	Market Priced Options [F1,F5]	Common Stock (12,495)	$87.46	Dec. 11, 2023	12,495	Disposed
Sept. 18, 2017	DE	Market Priced Options [F1,F5]	Common Stock (9,600)	$87.46	Dec. 11, 2023	9,600	Disposed
Aug. 22, 2017	DE	Market Priced Options [F1,F4]	Common Stock (20,942)	$86.36	Dec. 12, 2022	20,942	Disposed
Aug. 22, 2017	DE	Market Priced Options [F1,F4]	Common Stock (20,376)	$80.61	Dec. 8, 2020	20,376	Disposed
Aug. 22, 2017	DE	Market Priced Options [F1,F4]	Common Stock (5,139)	$88.82	Dec. 5, 2017	5,139	Disposed
Dec. 14, 2016	DE	Market Priced Options [F3]	Common Stock (23,463)	$100.55	Dec. 14, 2026	23,463	Acquired
Dec. 9, 2015	DE	Market Priced Options [F3]	Common Stock (30,035)	$79.24	Dec. 9, 2025	30,035	Acquired
June 26, 2015	DE	Market Priced Options [F1,F4]	Common Stock (24,287)	$74.24	Dec. 14, 2021	24,287	Acquired
Feb. 24, 2015	DE	Market Priced Options [F1,F4]	Common Stock (13,911)	$39.66	Dec. 17, 2018	13,911	Disposed
Dec. 10, 2014	DE	Market Priced Options [F3]	Common Stock (25,273)	$88.18	Dec. 10, 2024	25,273	Acquired
Dec. 11, 2013	DE	Market Priced Options [F3]	Common Stock (22,095)	$87.46	Dec. 11, 2023	22,095	Acquired
Dec. 12, 2012	DE	Market Priced Options [F3]	Common Stock (20,942)	$86.36	Dec. 12, 2022	20,942	Acquired
Dec. 10, 2012	DE	Market Priced Options [F1,F2]	Common Stock (19,651)	$52.25	Dec. 9, 2019	19,651	Disposed
June 29, 2012	DE	Market Priced Options [F1,F2]	Common Stock (39,897)	$52.25	Dec. 9, 2019	39,897	Disposed
Dec. 14, 2011	DE	Market Priced Options [F3]	Common Stock (24,287)	$74.24	Dec. 14, 2021	24,287	Acquired
May 20, 2011	DE	Market Priced Options [F1,F2]	Common Stock (28,243)	$39.66	Dec. 17, 2018	28,243	Disposed
May 20, 2011	DE	Market Priced Options [F1,F2]	Common Stock (5,998)	$48.38	Dec. 6, 2016	5,998	Disposed
May 20, 2011	DE	Market Priced Options [F1,F2]	Common Stock (4,424)	$34.44	Dec. 7, 2015	4,424	Disposed
May 20, 2011	DE	Market Priced Options [F1,F2]	Common Stock (3,520)	$34.68	Dec. 8, 2014	3,520	Disposed
Dec. 8, 2010	DE	Market Priced Options [F3]	Common Stock (20,376)	$80.61	Dec. 8, 2020	20,376	Acquired
Dec. 9, 2009	DE	Market Priced Options [F3]	Common Stock (59,548)	$52.25	Dec. 9, 2019	59,548	Acquired
Dec. 17, 2008	DE	Market Priced Options [F3]	Common Stock (42,154)	$39.66	Dec. 17, 2018	42,154	Acquired
Dec. 5, 2007	DE	Market Priced Options [F4]	Common Stock (5,139)	$88.82	Dec. 5, 2017	5,139	Acquired

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

Initial ownership (Form 3) 4 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
Sept. 19, 2007	DE	$1 Par Common Stock [F1]	999	Direct
Sept. 19, 2007	DE	Market Priced Employee Stock Options [F3,F4]→ Common Stock (1,760)	1,760	Direct
Sept. 19, 2007	DE	Market Priced Employee Stock Options [F3,F4]→ Common Stock (2,212)	2,212	Direct
Sept. 19, 2007	DE	Market Priced Employee Stock Options [F3,F4]→ Common Stock (2,999)	2,999	Direct