Malcolm Theobald

Insider

First SEC filing: June 28, 2007 · Latest: June 28, 2007

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

Insider at

SLB selling Nov. 6, 2013

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 44 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

44 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Jan. 17, 2014	SLB	A	3,087	—	—	18,132 Direct	+20.52%	Acquired	(price as of 2026-08-20)
Jan. 16, 2014	SLB	A	1,126	—	—	1,126 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 16, 2014	SLB	A	18,874	—	—	18,874 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 16, 2014	SLB	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Nov. 6, 2013	SLB	S	5,565	$93.17	$518,491	14,873 Direct	-27.23%	Disposed	-41.9% (price as of 2026-08-20)
Jan. 17, 2013	SLB	A	1,365	—	—	1,365 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 17, 2013	SLB	A	12,635	—	—	12,635 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 17, 2013	SLB	A	2,450	—	—	2,450 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 17, 2013	SLB	A	2,450	—	—	2,450 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 17, 2013	SLB	A	4,900	—	—	4,900 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 20, 2012	SLB	S	2,718	$71.02	$193,032	20,071 Direct	-11.93%	Disposed	-23.8% (price as of 2026-08-20)
April 16, 2012	SLB	M	3,000	$27.87	$83,610	22,612 Direct	+15.30%	Acquired	94.2% (price as of 2026-08-20)
April 16, 2012	SLB	M	3,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Jan. 19, 2012	SLB	A	21,614	—	—	21,614 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 19, 2012	SLB	A	1,386	—	—	1,386 Direct	—	Acquired	(price as of 2026-08-20)
April 21, 2011	SLB	A	10,000	—	—	10,000 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 20, 2011	SLB	A	1,192	—	—	1,192 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 20, 2011	SLB	A	13,808	—	—	13,808 Direct	—	Acquired	(price as of 2026-08-20)
Oct. 18, 2010	SLB	M	4,000	$41.14	$164,560	19,092 Direct	+26.50%	Acquired	31.6% (price as of 2026-08-20)
Oct. 18, 2010	SLB	M	4,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
April 28, 2010	SLB	M	1,500	$32.46	$48,690	14,905 Direct	+11.19%	Acquired	66.7% (price as of 2026-08-20)
April 28, 2010	SLB	M	1,500	—	—	591 Direct	-71.74%	Disposed	(price as of 2026-08-20)
Jan. 21, 2010	SLB	A	1,459	—	—	1,459 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 21, 2010	SLB	A	17,541	—	—	17,541 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 22, 2009	SLB	A	2,642	—	—	2,642 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 22, 2009	SLB	A	22,358	—	—	22,358 Direct	—	Acquired	(price as of 2026-08-20)
Aug. 8, 2008	SLB	M	945	$32.62	$30,826	12,985 Direct	+7.85%	Acquired	65.9% (price as of 2026-08-20)
Aug. 8, 2008	SLB	F	330	$93.22	$30,763	12,655 Direct	-2.54%	Disposed	-41.9% (price as of 2026-08-20)
Aug. 8, 2008	SLB	M	3	$32.62	$98	12,658 Direct	+0.02%	Acquired	65.9% (price as of 2026-08-20)
Aug. 8, 2008	SLB	F	1	$93.22	$93	12,657 Direct	-0.01%	Disposed	-41.9% (price as of 2026-08-20)
Aug. 8, 2008	SLB	M	945	—	—	1,427 Direct	-39.84%	Disposed	(price as of 2026-08-20)
Aug. 8, 2008	SLB	M	3	—	—	3 Direct	-50.00%	Disposed	(price as of 2026-08-20)
May 5, 2008	SLB	M	909	$32.46	$29,506	9,139 Direct	+11.04%	Acquired	66.7% (price as of 2026-08-20)
May 5, 2008	SLB	F	290	$101.40	$29,406	8,849 Direct	-3.17%	Disposed	-46.6% (price as of 2026-08-20)
May 5, 2008	SLB	M	4,396	$27.81	$122,253	13,245 Direct	+49.68%	Acquired	94.6% (price as of 2026-08-20)
May 5, 2008	SLB	F	1,205	$101.40	$122,187	12,040 Direct	-9.10%	Disposed	-46.6% (price as of 2026-08-20)
May 5, 2008	SLB	M	4,396	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
May 5, 2008	SLB	M	909	—	—	2,091 Direct	-30.30%	Disposed	(price as of 2026-08-20)
Jan. 17, 2008	SLB	A	1,177	—	—	1,177 Direct	—	Acquired	(price as of 2026-08-20)
Jan. 17, 2008	SLB	A	10,823	—	—	10,823 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 11, 2007	SLB	S	1,528	$100.00	$152,800	8,084 Direct	-15.90%	Disposed	-45.9% (price as of 2026-08-20)
Aug. 6, 2007	SLB	M	1,284	$23.01	$29,545	8,644 Direct	+17.45%	Acquired	135.2% (price as of 2026-08-20)
Aug. 6, 2007	SLB	S	500	$86.30	$43,150	8,144 Direct	-5.78%	Disposed	-37.3% (price as of 2026-08-20)
Aug. 6, 2007	SLB	M	2,116	$32.62	$69,024	10,260 Direct	+25.98%	Acquired	65.9% (price as of 2026-08-20)
Aug. 6, 2007	SLB	S	200	$86.28	$17,256	10,060 Direct	-1.95%	Disposed	-37.3% (price as of 2026-08-20)
Aug. 6, 2007	SLB	S	200	$86.27	$17,254	9,860 Direct	-1.99%	Disposed	-37.3% (price as of 2026-08-20)
Aug. 6, 2007	SLB	S	100	$86.22	$8,622	9,760 Direct	-1.01%	Disposed	-37.2% (price as of 2026-08-20)
Aug. 6, 2007	SLB	S	148	$86.21	$12,759	9,612 Direct	-1.52%	Disposed	-37.2% (price as of 2026-08-20)
Aug. 6, 2007	SLB	M	1,284	—	—	1,716 Direct	-42.80%	Disposed	(price as of 2026-08-20)
Aug. 6, 2007	SLB	M	2,116	—	—	2,372 Direct	-47.15%	Disposed	(price as of 2026-08-20)
July 19, 2007	SLB	A	2,275	—	—	2,275 Direct	—	Acquired	(price as of 2026-08-20)
July 19, 2007	SLB	A	17,725	—	—	17,725 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
Jan. 16, 2014	SLB	Incentive Stock Option (right to buy)	Common Stock, $0.01 par value per share (1,126)	$88.76	Jan. 16, 2024	1,126	Acquired
Jan. 16, 2014	SLB	NQ Stock Option (right to buy)w/tandem tax w/h right	Common Stock, $0.01 par value per share (18,874)	$88.76	Jan. 16, 2024	18,874	Acquired
Jan. 16, 2014	SLB	RSU (restricted stock unit)	Common Stock, $0.01 par value per share (10,000)	$0.00	—	10,000	Acquired
Jan. 17, 2013	SLB	Incentive Stock Option (right to buy)	Common Stock, $0.01 par value per share (1,365)	$73.25	Jan. 17, 2023	1,365	Acquired
Jan. 17, 2013	SLB	NQ Stock Option (right to buy) w/tandem Tax w/h right	Common Stock, $0.01 par value per share (12,635)	$73.25	Jan. 17, 2023	12,635	Acquired
Jan. 17, 2013	SLB	Performance Share Unit (PSU)	Common Stock, $0.01 par value per share (2,450)	$0.00	—	2,450	Acquired
Jan. 17, 2013	SLB	Performance Share Unit (PSU)	Common Stock, $0.01 par value per share (2,450)	$0.00	—	2,450	Acquired
Jan. 17, 2013	SLB	Performance Share Unit (PSU)	Common Stock, $0.01 par value per share (4,900)	$0.00	—	4,900	Acquired
April 16, 2012	SLB	Incentive Stock Option (right to buy)	Common Stock, $0.01 par value per share (3,000)	$27.87	April 17, 2012	3,000	Disposed
Jan. 19, 2012	SLB	NQ Stock Option (right to buy) w/ tandem Tax w/h right	Common Stock, $0.01 par value per share (21,614)	$72.11	Jan. 19, 2022	21,614	Acquired
Jan. 19, 2012	SLB	Incentive Stock Option (right to buy)	Common Stock, $0.01 par value per share (1,386)	$72.11	Jan. 19, 2022	1,386	Acquired
April 21, 2011	SLB	NQ Stock Option (right to buy) w/ tandem Tax w/h right	Common Stock, $0.01 par value per share (10,000)	$90.06	April 21, 2021	10,000	Acquired
Jan. 20, 2011	SLB	Incentive Stock Option (right to buy)	Common Stock, $0.01 par value per share (1,192)	$83.88	Jan. 20, 2021	1,192	Acquired
Jan. 20, 2011	SLB	NQ Stock Option (right to buy) w/ tandem Tax w/h right	Common Stock, $0.01 par value per share (13,808)	$83.88	Jan. 20, 2021	13,808	Acquired
Oct. 18, 2010	SLB	Incentive Stock Option (right to buy)	Common Stock, $0.01 par value per share (4,000)	$41.14	Oct. 19, 2010	4,000	Disposed
April 28, 2010	SLB	Incentive Stock Option (right to buy)	Common Stock (1,500)	$32.46	Jan. 19, 2015	1,500	Disposed
Jan. 21, 2010	SLB	Incentive Stock Option (right to buy)	Common Stock (1,459)	$68.50	Jan. 21, 2020	1,459	Acquired
Jan. 21, 2010	SLB	NQ Stock Option (right to buy) w/ tandem Tax w/h right	Common Stock (17,541)	$68.50	Jan. 21, 2020	17,541	Acquired
Jan. 22, 2009	SLB	Incentive Stock Option (right to buy)	Common Stock (2,642)	$37.84	Jan. 22, 2019	2,642	Acquired
Jan. 22, 2009	SLB	NQ Stock Option (right to buy) w/ tandem Tax w/h right	Common Stock (22,358)	$37.84	Jan. 22, 2019	22,358	Acquired
Aug. 8, 2008	SLB	Incentive Stock Option (right to buy)	Common Stock (945)	$32.62	July 21, 2014	945	Disposed
Aug. 8, 2008	SLB	Non-Qualified Stock Option (right to buy)	Common Stock (3)	$32.62	July 21, 2014	3	Disposed
May 5, 2008	SLB	Incentive Stock Option (right to buy)	Common Stock (4,396)	$27.81	April 21, 2009	4,396	Disposed
May 5, 2008	SLB	Incentive Stock Option (right to buy)	Common Stock (909)	$32.46	Jan. 19, 2015	909	Disposed
Jan. 17, 2008	SLB	Incentive Stock Option (right to buy)	Common Stock (1,177)	$84.93	Jan. 17, 2018	1,177	Acquired
Jan. 17, 2008	SLB	NQ Stock Option (right to buy) w/ tandem Tax w/h right	Common Stock (10,823)	$84.93	Jan. 17, 2018	10,823	Acquired
Aug. 6, 2007	SLB	Incentive Stock Option (right to buy)	Common Stock (1,284)	$23.01	July 16, 2013	1,284	Disposed
Aug. 6, 2007	SLB	Incentive Stock Option (right to buy)	Common Stock (2,116)	$32.62	July 21, 2014	2,116	Disposed
July 19, 2007	SLB	Incentive Stock Option (right to buy)	Common Stock (2,275)	$92.70	July 19, 2017	2,275	Acquired
July 19, 2007	SLB	NQ Stock Option (right to buy) w/ tandem Tax w/h right	Common Stock (17,725)	$92.70	July 19, 2017	17,725	Acquired

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

Initial ownership (Form 3) 10 holdings

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

Date	Ticker	Security	Shares	Ownership
June 28, 2007	SLB	Common Stock	7,157	Direct
June 28, 2007	SLB	Incentive Stock Option (right to buy)→ Common Stock (3,000)	3,000	Direct
June 28, 2007	SLB	Incentive Stock Option (right to buy)→ Common Stock (4,396)	4,396	Direct
June 28, 2007	SLB	Incentive Stock Option (right to buy)→ Common Stock (3,000)	3,000	Direct
June 28, 2007	SLB	Incentive Stock Option (right to buy)→ Common Stock (3,000)	3,000	Direct
June 28, 2007	SLB	Incentive Stock Option (right to buy)→ Common Stock (4,488)	4,488	Direct
June 28, 2007	SLB	Incentive Stock Option (right to buy)→ Common Stock (4,000)	4,000	Direct
June 28, 2007	SLB	Incentive Stock Option (right to buy)→ Common Stock (2,440)	2,440	Direct
June 28, 2007	SLB	Non-Qualified Stock Option (right to buy)→ Common Stock (6)	6	Direct
June 28, 2007	SLB	Non-Qualified Stock Option (right to buy)→ Common Stock (560)	560	Direct