David P Williams

Insider

First SEC filing: June 27, 2005 · Latest: June 27, 2005

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.

Insider at

SPXC selling Aug. 14, 2006

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 24 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

24 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
May 4, 2007	SPXC	M	1,667	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
May 4, 2007	SPXC	M	132	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
May 4, 2007	SPXC	M	834	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
May 4, 2007	SPXC	D	1,667	$78.09	$130,176	16,022 Direct	-9.42%	Disposed	957.4% (price as of 2026-08-19)
May 4, 2007	SPXC	M	1,667	—	—	17,689 Direct	+10.40%	Acquired	(price as of 2026-08-19)
May 4, 2007	SPXC	D	132	$78.09	$10,308	16,022 Direct	-0.82%	Disposed	957.4% (price as of 2026-08-19)
May 4, 2007	SPXC	M	132	—	—	16,154 Direct	+0.82%	Acquired	(price as of 2026-08-19)
May 4, 2007	SPXC	D	834	$78.09	$65,127	16,022 Direct	-4.95%	Disposed	957.4% (price as of 2026-08-19)
May 4, 2007	SPXC	M	834	—	—	16,856 Direct	+5.21%	Acquired	(price as of 2026-08-19)
Jan. 4, 2007	SPXC	M	833	—	—	1,667 Direct	-33.32%	Disposed	(price as of 2026-08-19)
Jan. 4, 2007	SPXC	M	833	—	—	834 Direct	-49.97%	Disposed	(price as of 2026-08-19)
Jan. 4, 2007	SPXC	D	1,666	$61.16	$101,893	16,022 Direct	-9.42%	Disposed	1250.1% (price as of 2026-08-19)
Jan. 4, 2007	SPXC	M	1,666	—	—	17,688 Direct	+10.40%	Acquired	(price as of 2026-08-19)
Jan. 3, 2007	SPXC	A	2,500	—	—	16,022 Direct	+18.49%	Acquired	(price as of 2026-08-19)
Aug. 14, 2006	SPXC	S	2,000	$53.13	$106,260	13,522 Direct	-12.88%	Disposed	1454.1% (price as of 2026-08-19)
June 23, 2006	SPXC	M	65	—	—	132 Direct	-32.99%	Disposed	(price as of 2026-08-19)
June 23, 2006	SPXC	D	65	$55.33	$3,596	15,522 Direct	-0.42%	Disposed	1392.3% (price as of 2026-08-19)
June 23, 2006	SPXC	M	65	—	—	15,587 Direct	+0.42%	Acquired	(price as of 2026-08-19)
Feb. 21, 2006	SPXC	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)
Jan. 27, 2006	SPXC	M	833	—	—	1,667 Direct	-33.32%	Disposed	(price as of 2026-08-19)
Jan. 27, 2006	SPXC	D	833	$45.77	$38,126	15,522 Direct	-5.09%	Disposed	1704.0% (price as of 2026-08-19)
Jan. 27, 2006	SPXC	M	833	—	—	16,355 Direct	+5.37%	Acquired	(price as of 2026-08-19)
June 23, 2005	SPXC	A	197	—	—	197 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 28, 2005	SPXC	A	2,500	—	—	2,500 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 25, 2004	SPXC	A	3,800	—	—	3,800 Direct	—	Acquired	(price as of 2026-08-19)

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 4, 2007	SPXC	Phantom Stock [F3]	Common Stock (1,667)	—	Jan. 1, 2009	1,667	Disposed
May 4, 2007	SPXC	Phantom Stock [F3]	Common Stock (132)	—	June 23, 2008	132	Disposed
May 4, 2007	SPXC	Phantom Stock [F3]	Common Stock (834)	—	Jan. 1, 2008	834	Disposed
Jan. 4, 2007	SPXC	Phantom Stock [F3]	Common Stock (2,500)	—	Jan. 1, 2009	833	Disposed
Jan. 4, 2007	SPXC	Phantom Stock [F3]	Common Stock (1,667)	—	Jan. 1, 2008	833	Disposed
June 23, 2006	SPXC	Phantom Stock [F3]	Common Stock (197)	—	June 23, 2008	65	Disposed
Feb. 21, 2006	SPXC	Phantom Stock	Common Stock (2,500)	—	Jan. 1, 2009	2,500	Acquired
Jan. 27, 2006	SPXC	Phantom Stock [F3]	Common Stock (2,500)	—	Jan. 1, 2008	833	Disposed
June 23, 2005	SPXC	Phantom Stock [F3]	Common Stock (197)	—	June 23, 2008	197	Acquired
Feb. 28, 2005	SPXC	Phantom Stock [F3]	Common Stock (2,500)	—	Jan. 1, 2008	2,500	Acquired
Feb. 25, 2004	SPXC	Director Stock Option (right to buy) [F1]	Common Stock (3,800)	$52.00	Feb. 24, 2014	3,800	Acquired

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