Lawrence R Dickerson

Insider

First SEC filing: Feb. 6, 2026 · Latest: Feb. 6, 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 + 38 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

38 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 12, 2026	OIS	A	16,760	—	—	175,613 Direct	+10.55%	Acquired	(price as of 2026-08-20)
Feb. 5, 2026	MUR	M	7,497	—	—	37,636 Direct	-16.61%	Disposed	(price as of 2026-08-20)
Feb. 5, 2026	MUR	M	7,886	—	—	51,512 Direct	+18.08%	Acquired	(price as of 2026-08-20)
Feb. 4, 2026	MUR	A	6,316	—	—	45,133 Direct	+16.27%	Acquired	(price as of 2026-08-20)
May 13, 2025	OIS	A	31,185	—	—	158,853 Direct	+24.43%	Acquired	(price as of 2026-08-20)
Feb. 5, 2025	MUR	A	7,497	—	—	38,817 Direct	+23.94%	Acquired	(price as of 2026-08-20)
May 7, 2024	OIS	A	33,259	—	—	127,668 Direct	+35.23%	Acquired	(price as of 2026-08-20)
Feb. 7, 2024	MUR	A	5,268	—	—	31,320 Direct	+20.22%	Acquired	(price as of 2026-08-20)
May 9, 2023	OIS	A	21,708	—	—	94,409 Direct	+29.86%	Acquired	(price as of 2026-08-20)
Feb. 1, 2023	MUR	A	4,740	—	—	26,052 Direct	+22.24%	Acquired	(price as of 2026-08-20)
June 7, 2022	MUR	S	4,614	$43.70	$201,632	43,626 Direct	-9.56%	Disposed	-12.3% (price as of 2026-08-20)
May 10, 2022	OIS	A	19,470	—	—	72,701 Direct	+36.58%	Acquired	(price as of 2026-08-20)
Feb. 4, 2022	MUR	M	7,156	—	—	21,312 Direct	-25.14%	Disposed	(price as of 2026-08-20)
Feb. 4, 2022	MUR	M	7,995	—	—	48,240 Direct	+19.87%	Acquired	(price as of 2026-08-20)
Feb. 2, 2022	MUR	A	6,091	—	—	28,468 Direct	+27.22%	Acquired	(price as of 2026-08-20)
May 11, 2021	OIS	A	19,470	—	—	53,231 Direct	+57.67%	Acquired	(price as of 2026-08-20)
Feb. 5, 2021	MUR	M	8,854	—	—	22,377 Direct	-28.35%	Disposed	(price as of 2026-08-20)
Feb. 5, 2021	MUR	M	7,073	—	—	31,231 Direct	-18.47%	Disposed	(price as of 2026-08-20)
Feb. 5, 2021	MUR	M	9,256	—	—	32,266 Direct	+40.23%	Acquired	(price as of 2026-08-20)
Feb. 5, 2021	MUR	M	7,979	—	—	30,989 Direct	+34.68%	Acquired	(price as of 2026-08-20)
Feb. 3, 2021	MUR	A	15,221	—	—	38,304 Direct	+65.94%	Acquired	(price as of 2026-08-20)
May 12, 2020	OIS	A	11,211	—	—	33,761 Direct	+49.72%	Acquired	(price as of 2026-08-20)
Feb. 5, 2020	MUR	A	8,854	—	—	23,083 Direct	+62.23%	Acquired	(price as of 2026-08-20)
Jan. 31, 2020	MUR	M	6,935	—	—	14,229 Direct	-32.77%	Disposed	(price as of 2026-08-20)
Jan. 31, 2020	MUR	M	7,775	—	—	23,010 Direct	+51.03%	Acquired	(price as of 2026-08-20)
May 7, 2019	OIS	A	6,710	—	—	22,550 Direct	+42.36%	Acquired	(price as of 2026-08-20)
Feb. 6, 2019	MUR	A	7,156	—	—	21,164 Direct	+51.09%	Acquired	(price as of 2026-08-20)
Feb. 1, 2019	MUR	M	7,789	—	—	14,008 Direct	-35.73%	Disposed	(price as of 2026-08-20)
Feb. 1, 2019	MUR	M	8,784	—	—	15,235 Direct	+136.16%	Acquired	(price as of 2026-08-20)
May 8, 2018	OIS	A	3,425	—	—	15,840 Direct	+27.59%	Acquired	(price as of 2026-08-20)
Feb. 7, 2018	MUR	A	7,073	—	—	21,797 Direct	+48.04%	Acquired	(price as of 2026-08-20)
Feb. 2, 2018	MUR	M	4,068	—	—	14,724 Direct	-21.65%	Disposed	(price as of 2026-08-20)
Feb. 2, 2018	MUR	M	4,614	—	—	6,451 Direct	+251.17%	Acquired	(price as of 2026-08-20)
Feb. 3, 2017	MUR	M	1,644	—	—	18,792 Direct	-8.04%	Disposed	(price as of 2026-08-20)
Feb. 3, 2017	MUR	M	1,837	—	—	1,837 Direct	—	Acquired	(price as of 2026-08-20)
Feb. 1, 2017	MUR	A	6,935	—	—	20,436 Direct	+51.37%	Acquired	(price as of 2026-08-20)
Feb. 3, 2016	MUR	A	7,789	—	—	13,501 Direct	+136.36%	Acquired	(price as of 2026-08-20)
Feb. 4, 2015	MUR	A	4,068	—	—	5,712 Direct	+247.45%	Acquired	(price as of 2026-08-20)
Aug. 6, 2014	MUR	A	1,644	—	—	1,644 Direct	—	Acquired	(price as of 2026-08-20)

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
Feb. 5, 2026	MUR	Restricted Stock Unit [F2]	Common Stock (7,497)	—	—	7,497	Disposed
Feb. 4, 2026	MUR	Restricted Stock Unit [F2]	Common Stock (6,316)	—	—	6,316	Acquired
Feb. 5, 2025	MUR	Restricted Stock Unit [F1]	Common Stock (7,497)	—	—	7,497	Acquired
Feb. 7, 2024	MUR	Restricted Stock Unit [F1]	Common Stock (5,268)	—	—	5,268	Acquired
Feb. 1, 2023	MUR	Restricted Stock Unit [F1]	Common Stock (4,740)	—	—	4,740	Acquired
Feb. 4, 2022	MUR	Restricted Stock Unit [F2]	Common Stock (7,156)	—	—	7,156	Disposed
Feb. 2, 2022	MUR	Restricted Stock Unit [F1]	Common Stock (6,091)	—	—	6,091	Acquired
Feb. 5, 2021	MUR	Restricted Stock Unit [F5]	Common Stock (8,854)	—	—	8,854	Disposed
Feb. 5, 2021	MUR	Restricted Stock Unit [F3]	Common Stock (7,073)	—	—	7,073	Disposed
Feb. 3, 2021	MUR	Restricted Stock Unit [F1]	Common Stock (15,221)	—	—	15,221	Acquired
Feb. 5, 2020	MUR	Restricted Stock Unit [F1]	Common Stock (8,854)	—	—	8,854	Acquired
Jan. 31, 2020	MUR	Restricted Stock Unit [F2]	Common Stock (6,935)	—	—	6,935	Disposed
Feb. 6, 2019	MUR	Restricted Stock Unit [F1]	Common Stock (7,156)	—	—	7,156	Acquired
Feb. 1, 2019	MUR	Restricted Stock Unit [F2]	Common Stock (7,789)	—	—	7,789	Disposed
Feb. 7, 2018	MUR	Restricted Stock Unit [F1]	Common Stock (7,073)	—	—	7,073	Acquired
Feb. 2, 2018	MUR	Restricted Stock Unit [F2]	Common Stock (4,068)	—	—	4,068	Disposed
Feb. 3, 2017	MUR	Restricted Stock Unit [F2]	Common Stock (1,644)	—	—	1,644	Disposed
Feb. 1, 2017	MUR	Restricted Stock Unit [F1]	Common Stock (6,935)	—	—	6,935	Acquired
Feb. 3, 2016	MUR	Restricted Stock Unit [F1]	Common Stock (7,789)	—	—	7,789	Acquired
Feb. 4, 2015	MUR	Restricted Stock Unit [F1]	Common Stock (4,068)	—	—	4,068	Acquired
Aug. 6, 2014	MUR	Restricted Stock Unit [F1]	Common Stock (1,644)	—	—	1,644	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
Aug. 8, 2014	MUR	Common Stock	0	Direct