Philip Wolfson

Insider

First SEC filing: March 15, 2004 · Latest: March 15, 2004

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

EFOI buying March 14, 2008

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 20 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

20 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 24, 2009	EFOI	A	15,000	—	—	83,000 Direct	+22.06%	Acquired	(price as of 2026-08-19)
May 29, 2009	EFOI	A	2,002	$0.67	$1,341	2,002 Direct	—	Acquired	-98.7% (price as of 2026-08-19)
Oct. 1, 2008	EFOI	A	7,000	—	—	68,000 Direct	+11.48%	Acquired	(price as of 2026-08-19)
March 14, 2008	EFOI	P	3,120	$0.12	$374	3,120 Direct	—	Acquired	-92.9% (price as of 2026-08-19)
March 14, 2008	EFOI	P	3,120	$3.08	$9,610	29,011 Direct	+12.05%	Acquired	-99.7% (price as of 2026-08-19)
June 14, 2007	EFOI	A	7,000	$6.45	$45,150	61,000 Direct	+12.96%	Acquired	-99.9% (price as of 2026-08-19)
July 7, 2006	EFOI	A	7,000	$7.33	$51,310	54,000 Direct	+14.89%	Acquired	-99.9% (price as of 2026-08-19)
June 1, 2006	EFOI	S	800	$7.65	$6,120	25,891 Direct	-3.00%	Disposed	-99.9% (price as of 2026-08-19)
May 24, 2006	EFOI	S	100	$8.00	$800	26,691 Direct	-0.37%	Disposed	-99.9% (price as of 2026-08-19)
May 23, 2006	EFOI	S	1,000	$7.80	$7,800	26,791 Direct	-3.60%	Disposed	-99.9% (price as of 2026-08-19)
May 22, 2006	EFOI	M	3,000	$5.12	$15,360	30,791 Direct	+10.79%	Acquired	-99.8% (price as of 2026-08-19)
May 22, 2006	EFOI	S	3,000	$7.51	$22,530	27,791 Direct	-9.74%	Disposed	-99.9% (price as of 2026-08-19)
May 22, 2006	EFOI	M	3,000	$5.12	$15,360	44,000 Direct	-6.38%	Disposed	-99.8% (price as of 2026-08-19)
May 15, 2006	EFOI	M	2,000	$5.12	$10,240	29,791 Direct	+7.20%	Acquired	-99.8% (price as of 2026-08-19)
May 15, 2006	EFOI	S	2,000	$8.27	$16,540	27,791 Direct	-6.71%	Disposed	-99.9% (price as of 2026-08-19)
May 15, 2006	EFOI	M	2,000	$5.12	$10,240	47,000 Direct	-4.08%	Disposed	-99.8% (price as of 2026-08-19)
June 23, 2005	EFOI	A	7,000	$11.66	$81,620	49,000 Direct	+16.67%	Acquired	-99.9% (price as of 2026-08-19)
May 24, 2005	EFOI	S	2,500	$9.39	$23,475	27,791 Direct	-8.25%	Disposed	-99.9% (price as of 2026-08-19)
March 2, 2005	EFOI	S	745	$8.20	$6,109	28,207 Direct	-2.57%	Disposed	-99.9% (price as of 2026-08-19)
March 1, 2005	EFOI	S	2,255	$8.23	$18,559	28,952 Direct	-7.23%	Disposed	-99.9% (price as of 2026-08-19)
Nov. 18, 2004	EFOI	S	1,600	$8.71	$13,936	31,207 Indirect	-4.88%	Disposed	-99.9% (price as of 2026-08-19)
Nov. 18, 2004	EFOI	S	100	$8.73	$873	31,207 Indirect	-0.32%	Disposed	-99.9% (price as of 2026-08-19)
Nov. 18, 2004	EFOI	S	100	$8.66	$866	31,207 Indirect	-0.32%	Disposed	-99.9% (price as of 2026-08-19)
Nov. 18, 2004	EFOI	S	100	$8.59	$859	31,207 Indirect	-0.32%	Disposed	-99.9% (price as of 2026-08-19)
Nov. 18, 2004	EFOI	S	1,100	$8.45	$9,295	31,207 Indirect	-3.40%	Disposed	-99.9% (price as of 2026-08-19)
Aug. 5, 2004	EFOI	S	4,300	$8.40	$36,120	33,291 Indirect	-11.44%	Disposed	-99.9% (price as of 2026-08-19)
Aug. 5, 2004	EFOI	S	500	$8.50	$4,250	33,291 Indirect	-1.48%	Disposed	-99.9% (price as of 2026-08-19)
Aug. 5, 2004	EFOI	S	500	$8.44	$4,220	33,291 Indirect	-1.48%	Disposed	-99.9% (price as of 2026-08-19)
Aug. 5, 2004	EFOI	S	500	$8.42	$4,210	33,291 Indirect	-1.48%	Disposed	-99.9% (price as of 2026-08-19)
Aug. 5, 2004	EFOI	S	200	$8.51	$1,702	33,291 Indirect	-0.60%	Disposed	-99.9% (price as of 2026-08-19)
Aug. 5, 2004	EFOI	S	150	$8.45	$1,268	33,291 Indirect	-0.45%	Disposed	-99.9% (price as of 2026-08-19)
Aug. 5, 2004	EFOI	S	100	$8.52	$852	33,291 Indirect	-0.30%	Disposed	-99.9% (price as of 2026-08-19)
July 30, 2004	EFOI	S	2,084	$9.30	$19,381	31,207 Indirect	-6.26%	Disposed	-99.9% (price as of 2026-08-19)
May 19, 2004	EFOI	A	7,000	$8.60	$60,200	42,000 Direct	+20.00%	Acquired	-99.9% (price as of 2026-08-19)
March 12, 2004	EFOI	S	2,500	$9.27	$23,175	33,291 Direct	-6.98%	Disposed	-99.9% (price as of 2026-08-19)
March 10, 2004	EFOI	M	5,000	$5.62	$28,100	40,000 Direct	+14.29%	Acquired	-99.8% (price as of 2026-08-19)
March 10, 2004	EFOI	S	5,000	$9.90	$49,500	35,791 Direct	-12.26%	Disposed	-99.9% (price as of 2026-08-19)
March 10, 2004	EFOI	M	5,000	$5.62	$28,100	40,791 Direct	+13.97%	Acquired	-99.8% (price as of 2026-08-19)
March 5, 2004	EFOI	M	5,000	$5.12	$25,600	40,000 Direct	+14.29%	Acquired	-99.8% (price as of 2026-08-19)
March 5, 2004	EFOI	M	10,000	$5.88	$58,800	45,000 Direct	+28.57%	Acquired	-99.9% (price as of 2026-08-19)
March 5, 2004	EFOI	S	10,000	$8.65	$86,500	35,791 Direct	-21.84%	Disposed	-99.9% (price as of 2026-08-19)
March 5, 2004	EFOI	M	10,000	$5.88	$58,800	45,791 Direct	+27.94%	Acquired	-99.9% (price as of 2026-08-19)
March 5, 2004	EFOI	S	5,000	$8.65	$43,250	35,791 Direct	-12.26%	Disposed	-99.9% (price as of 2026-08-19)
March 5, 2004	EFOI	M	5,000	$5.12	$25,600	40,791 Direct	+13.97%	Acquired	-99.8% (price as of 2026-08-19)
March 3, 2004	EFOI	S	10,000	$7.75	$77,500	35,791 Direct	-21.84%	Disposed	-99.9% (price as of 2026-08-19)
March 1, 2004	EFOI	S	5,000	$7.75	$38,750	45,791 Direct	-9.84%	Disposed	-99.9% (price as of 2026-08-19)
March 1, 2004	EFOI	M	5,000	$3.94	$19,700	50,791 Direct	+10.92%	Acquired	-99.8% (price as of 2026-08-19)
Feb. 24, 2004	EFOI	M	5,000	$3.94	$19,700	55,000 Direct	+10.00%	Acquired	-99.8% (price as of 2026-08-19)
May 21, 2003	EFOI	A	5,000	$3.65	$18,250	60,000 Direct	+9.09%	Acquired	-99.8% (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
June 24, 2009	EFOI	DIRECTOR STOCK OPTION	COMMON STOCK (15,000)	$0.60	—	15,000	Acquired
Oct. 1, 2008	EFOI	Director Stock Option	Common Stock (7,000)	$2.10	—	7,000	Acquired
March 14, 2008	EFOI	Warrant for Common Stock	Common Stock (3,120)	$3.08	March 14, 2013	3,120	Acquired
June 14, 2007	EFOI	DIRECTOR STOCK OPTION	COMMON STOCK (7,000)	$6.45	—	7,000	Acquired
July 7, 2006	EFOI	DIRECTOR STOCK OPTION	COMMON STOCK (7,000)	$7.33	—	7,000	Acquired
May 22, 2006	EFOI	Stock Option (right to buy)	Common Stock (3,000)	$5.12	May 22, 2006	3,000	Disposed
May 15, 2006	EFOI	Stock Option (right to buy)	Common Stock (2,000)	$5.12	May 22, 2006	2,000	Disposed
June 23, 2005	EFOI	STOCK OPTION	COMMON STOCK (7,000)	$11.66	—	7,000	Acquired
May 19, 2004	EFOI	Director Stock Option	Common Stock (7,000)	$8.60	—	7,000	Acquired
March 10, 2004	EFOI	Stock Option	Common Stock (5,000)	$5.62	May 17, 2005	5,000	Acquired
March 5, 2004	EFOI	Stock Option	Common Stock (5,000)	$5.12	Aug. 18, 2004	5,000	Acquired
March 5, 2004	EFOI	Stock Option	Common Stock (10,000)	$5.88	Aug. 25, 2004	10,000	Acquired
Feb. 24, 2004	EFOI	Director Stock Option	Common Stock (5,000)	$3.94	May 12, 2009	5,000	Acquired
May 21, 2003	EFOI	Director Stock Options	Common Stock (5,000)	$3.65	—	5,000	Acquired

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