William G Lowrie

Insider

First SEC filing: Sept. 25, 2003 · Latest: Sept. 25, 2003

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

WMB buying Dec. 14, 2010

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 52 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

52 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 19, 2011	WMB	A	4,068	—	—	18,614 Direct	+27.97%	Acquired	(price as of 2026-08-20)
May 16, 2011	WMB	M	3,000	$29.78	$89,340	14,546 Direct	-17.10%	Disposed	202.1% (price as of 2026-08-20)
May 16, 2011	WMB	M	3,000	$29.78	$89,340	63,024 Direct	+5.00%	Acquired	202.1% (price as of 2026-08-20)
Dec. 14, 2010	WMB	P	2,000	$24.00	$48,000	60,024 Direct	+3.45%	Acquired	274.9% (price as of 2026-08-20)
May 20, 2010	WMB	A	6,520	—	—	17,546 Direct	+59.13%	Acquired	(price as of 2026-08-20)
May 17, 2010	WMB	M	3,000	$21.14	$63,420	11,026 Direct	-21.39%	Disposed	325.6% (price as of 2026-08-20)
May 17, 2010	WMB	M	3,000	$21.14	$63,420	58,024 Direct	+5.45%	Acquired	325.6% (price as of 2026-08-20)
Jan. 4, 2010	WMB	D	24,207	$21.61	$523,113	14,026 Direct	-63.31%	Disposed	316.4% (price as of 2026-08-20)
Jan. 4, 2010	WMB	M	24,207	$21.61	$523,113	55,024 Direct	+78.55%	Acquired	316.4% (price as of 2026-08-20)
Dec. 28, 2009	WMB	J	124	$21.25	$2,635	38,233 Direct	+0.33%	Acquired	323.4% (price as of 2026-08-20)
Sept. 14, 2009	WMB	J	144	$18.30	$2,635	38,109 Direct	+0.38%	Acquired	391.7% (price as of 2026-08-20)
June 29, 2009	WMB	J	167	$15.64	$2,612	37,965 Direct	+0.44%	Acquired	475.3% (price as of 2026-08-20)
May 21, 2009	WMB	A	8,026	—	—	37,798 Direct	+26.96%	Acquired	(price as of 2026-08-20)
March 30, 2009	WMB	J	233	$11.07	$2,579	29,772 Direct	+0.79%	Acquired	712.8% (price as of 2026-08-20)
Dec. 29, 2008	WMB	J	185	$13.92	$2,575	29,539 Direct	+0.63%	Acquired	546.4% (price as of 2026-08-20)
Sept. 8, 2008	WMB	J	93	$27.50	$2,558	29,354 Direct	+0.32%	Acquired	227.2% (price as of 2026-08-20)
June 30, 2008	WMB	J	63	$40.31	$2,540	29,261 Direct	+0.22%	Acquired	123.2% (price as of 2026-08-20)
May 15, 2008	WMB	A	3,000	—	—	29,198 Direct	+11.45%	Acquired	(price as of 2026-08-20)
May 15, 2008	WMB	A	931	$37.59	$34,996	30,817 Direct	+3.12%	Acquired	139.4% (price as of 2026-08-20)
March 31, 2008	WMB	J	70	$32.98	$2,309	26,198 Direct	+0.27%	Acquired	172.8% (price as of 2026-08-20)
Dec. 31, 2007	WMB	J	65	$35.78	$2,326	26,128 Direct	+0.25%	Acquired	151.5% (price as of 2026-08-20)
Sept. 10, 2007	WMB	J	72	$31.55	$2,272	26,063 Direct	+0.28%	Acquired	185.2% (price as of 2026-08-20)
June 11, 2007	WMB	J	75	$30.45	$2,284	25,991 Direct	+0.29%	Acquired	195.5% (price as of 2026-08-20)
May 17, 2007	WMB	A	3,000	—	—	25,916 Direct	+13.09%	Acquired	(price as of 2026-08-20)
May 17, 2007	WMB	A	1,228	$28.51	$35,010	29,886 Direct	+4.29%	Acquired	215.6% (price as of 2026-08-20)
March 26, 2007	WMB	J	72	$28.56	$2,056	22,916 Direct	+0.32%	Acquired	215.0% (price as of 2026-08-20)
Dec. 26, 2006	WMB	J	74	$27.42	$2,029	22,844 Direct	+0.32%	Acquired	228.1% (price as of 2026-08-20)
Oct. 24, 2006	WMB	M	6,000	$20.69	$124,140	0 Direct	-100.00%	Disposed	334.9% (price as of 2026-08-20)
Oct. 24, 2006	WMB	M	6,000	$20.69	$124,140	28,658 Direct	+26.48%	Acquired	334.9% (price as of 2026-08-20)
Sept. 11, 2006	WMB	J	87	$23.43	$2,038	22,770 Direct	+0.38%	Acquired	284.0% (price as of 2026-08-20)
June 26, 2006	WMB	J	91	$22.25	$2,025	22,683 Direct	+0.40%	Acquired	304.4% (price as of 2026-08-20)
May 18, 2006	WMB	A	6,000	$20.69	$124,140	6,000 Direct	—	Acquired	334.9% (price as of 2026-08-20)
May 18, 2006	WMB	A	2,658	$20.69	$54,994	22,658 Direct	+13.29%	Acquired	334.9% (price as of 2026-08-20)
March 27, 2006	WMB	J	82	$20.77	$1,703	22,592 Direct	+0.36%	Acquired	333.2% (price as of 2026-08-20)
March 3, 2006	WMB	M	6,000	$17.48	$104,880	0 Direct	-100.00%	Disposed	414.7% (price as of 2026-08-20)
March 3, 2006	WMB	M	6,000	$17.48	$104,880	20,000 Direct	+42.86%	Acquired	414.7% (price as of 2026-08-20)
Dec. 27, 2005	WMB	J	72	$23.15	$1,667	22,510 Direct	+0.32%	Acquired	288.7% (price as of 2026-08-20)
June 27, 2005	WMB	J	59	$18.69	$1,103	22,364 Direct	+0.26%	Acquired	381.4% (price as of 2026-08-20)
May 26, 2005	WMB	M	6,000	$10.87	$65,220	6,000 Direct	-50.00%	Disposed	727.8% (price as of 2026-08-20)
May 26, 2005	WMB	M	6,000	$9.70	$58,200	12,000 Direct	-33.33%	Disposed	827.6% (price as of 2026-08-20)
May 26, 2005	WMB	M	6,000	$10.87	$65,220	14,000 Direct	+75.00%	Acquired	727.8% (price as of 2026-08-20)
May 26, 2005	WMB	M	6,000	$9.70	$58,200	8,000 Direct	+300.00%	Acquired	827.6% (price as of 2026-08-20)
May 19, 2005	WMB	A	7,151	—	—	22,305 Direct	+47.19%	Acquired	(price as of 2026-08-20)
May 19, 2005	WMB	A	6,000	$17.48	$104,880	18,000 Direct	+50.00%	Acquired	414.7% (price as of 2026-08-20)
Dec. 27, 2004	WMB	J	46	$16.09	$740	15,112 Direct	+0.31%	Acquired	459.2% (price as of 2026-08-20)
Sept. 13, 2004	WMB	J	13	$12.31	$160	15,066 Direct	+0.09%	Acquired	630.9% (price as of 2026-08-20)
June 28, 2004	WMB	J	13	$11.98	$156	15,053 Direct	+0.09%	Acquired	651.1% (price as of 2026-08-20)
May 20, 2004	WMB	A	12,648	—	—	15,040 Direct	+528.76%	Acquired	(price as of 2026-08-20)
May 20, 2004	WMB	A	6,000	$10.87	$65,220	12,000 Direct	+100.00%	Acquired	727.8% (price as of 2026-08-20)
March 29, 2004	WMB	J	2	$9.58	$19	2,392 Direct	+0.08%	Acquired	839.2% (price as of 2026-08-20)
Dec. 29, 2003	WMB	J	2	$10.00	$20	2,390 Direct	+0.08%	Acquired	799.8% (price as of 2026-08-20)
Dec. 15, 2003	WMB	A	2,388	$9.70	$23,164	2,388 Direct	—	Acquired	827.6% (price as of 2026-08-20)
Dec. 15, 2003	WMB	A	6,000	$9.70	$58,200	6,000 Direct	—	Acquired	827.6% (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
May 19, 2011	WMB	Restricted Stock Units [F1]	Common stock (4,068)	$30.63	—	4,068	Acquired
May 16, 2011	WMB	Restricted Stock Units	Common Stock (3,000)	$29.78	May 16, 2011	3,000	Disposed
May 20, 2010	WMB	Restricted Stock Units [F1]	Common Stock (6,520)	$19.11	—	6,520	Acquired
May 17, 2010	WMB	Restricted Stock Units	Common Stock (3,000)	$21.14	May 17, 2010	3,000	Disposed
Jan. 4, 2010	WMB	Restricted Stock Units [F2]	Common Stock (24,207)	$21.61	Jan. 4, 2010	24,207	Disposed
Dec. 28, 2009	WMB	Restricted Stock Units	Common Stock (124)	$21.25	—	124	Acquired
Sept. 14, 2009	WMB	Restricted Stock Units	Common Stock (144)	$18.30	—	144	Acquired
June 29, 2009	WMB	Restricted Stock Units	Common Stock (167)	$15.64	—	167	Acquired
May 21, 2009	WMB	Restricted Stock Units [F1]	Common Stock (8,026)	$15.62	—	8,026	Acquired
March 30, 2009	WMB	Restricted Stock Units	Common Stock (233)	$11.07	—	233	Acquired
Dec. 29, 2008	WMB	Restricted Stock Units	Common Stock (185)	$13.92	—	185	Acquired
Sept. 8, 2008	WMB	Restricted Stock Units	Common Stock (93)	$27.50	—	93	Acquired
June 30, 2008	WMB	Restricted Stock Units	Common Stock (63)	$40.31	—	63	Acquired
May 15, 2008	WMB	Restricted Stock Units	Common Stock (3,000)	$37.59	—	3,000	Acquired
March 31, 2008	WMB	Restricted Stock Units	Common Stock (70)	$32.98	—	70	Acquired
Dec. 31, 2007	WMB	Restricted Stock Units	Common Stock (65)	$35.78	—	65	Acquired
Sept. 10, 2007	WMB	Restricted Stock Units	Common Stock (72)	$31.55	—	72	Acquired
June 11, 2007	WMB	Restricted Stock Units	Common Stock (75)	$30.45	—	75	Acquired
May 17, 2007	WMB	Restricted Stock Units [F1]	Common Stock (3,000)	$28.51	—	3,000	Acquired
March 26, 2007	WMB	Restricted Stock Units	Common Stock (72)	$28.56	—	72	Acquired
Dec. 26, 2006	WMB	Deferred Stock	Common Stock (74)	$27.42	—	74	Acquired
Oct. 24, 2006	WMB	Options (Right to Buy)	Common Stock (6,000)	$20.69	June 18, 2016	6,000	Disposed
Sept. 11, 2006	WMB	Deferred Stock	Common Stock (87)	$23.43	—	87	Acquired
June 26, 2006	WMB	Deferred Stock	Common Stock (91)	$22.25	—	91	Acquired
May 18, 2006	WMB	Options (Right to Buy) [F1]	Common Stock (6,000)	$20.69	May 18, 2016	6,000	Acquired
March 27, 2006	WMB	Deferred Stock	Common Stock (82)	$20.77	—	82	Acquired
March 3, 2006	WMB	Stock Options (Right to Buy)	Common Stock (6,000)	$17.48	May 19, 2015	6,000	Disposed
Dec. 27, 2005	WMB	Deferred Stock [F1]	Common Stock (72)	$23.15	Jan. 1, 2010	72	Acquired
June 27, 2005	WMB	Deferred Stock	Common Stock (59)	$18.69	Jan. 1, 2010	59	Acquired
May 26, 2005	WMB	Stock Options (Right to Buy)	Common Stock (6,000)	$10.87	May 20, 2014	6,000	Disposed
May 26, 2005	WMB	Stock Options (Right to Buy)	Common Stock (6,000)	$9.70	Dec. 15, 2013	6,000	Disposed
May 19, 2005	WMB	Deferred Stock [F1]	Common Stock (7,151)	—	Jan. 4, 2010	7,151	Acquired
May 19, 2005	WMB	Options (Right to Buy) [F1]	Common Stock (6,000)	$17.48	May 19, 2015	6,000	Acquired
Dec. 27, 2004	WMB	Deferred Stock [F1]	Common Stock (46)	$16.09	Jan. 1, 2010	46	Acquired
Sept. 13, 2004	WMB	Deferred Stock [F1]	Common Stock (13)	$12.31	Jan. 1, 2010	13	Acquired
June 28, 2004	WMB	Deferred Stock [F1]	Common Stock (13)	$11.98	Jan. 1, 2010	13	Acquired
May 20, 2004	WMB	Deferred Stock [F1]	Common Stock (12,648)	—	Jan. 1, 2010	12,648	Acquired
May 20, 2004	WMB	Options (Right to Buy) [F1]	Common Stock (6,000)	$10.87	May 20, 2014	6,000	Acquired
March 29, 2004	WMB	Deferred Stock [F1]	Common Stock (2)	$9.58	Jan. 1, 2010	2	Acquired
Dec. 29, 2003	WMB	—	Common Stock (2)	$10.00	Jan. 1, 2010	2	Acquired
Dec. 15, 2003	WMB	—	Common Stock (2,388)	$9.70	Jan. 1, 2010	2,388	Acquired
Dec. 15, 2003	WMB	Options (Right to Buy)	Common Stock (6,000)	$9.70	Dec. 15, 2013	6,000	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
Sept. 25, 2003	WMB	—	2,000	Direct