Jon Colin

Insider

First SEC filing: Oct. 3, 2011 · Latest: Oct. 3, 2011

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

PESI buying Dec. 4, 2008

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 48 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

48 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 1, 2011	PESI	A	4,873	$0.90	$4,386	192,332 Direct	+2.60%	Acquired	288.0% (price as of 2026-08-19)
July 1, 2011	PESI	A	7,194	$1.04	$7,482	187,459 Direct	+3.99%	Acquired	235.8% (price as of 2026-08-19)
April 1, 2011	PESI	A	7,506	$1.13	$8,482	180,265 Direct	+4.34%	Acquired	209.0% (price as of 2026-08-19)
Jan. 4, 2011	PESI	A	6,544	$1.22	$7,984	172,759 Direct	+3.94%	Acquired	186.2% (price as of 2026-08-19)
Oct. 1, 2010	PESI	A	7,186	$1.25	$8,982	166,215 Direct	+4.52%	Acquired	179.4% (price as of 2026-08-19)
Sept. 29, 2010	PESI	A	12,000	$1.68	$20,160	12,000 Direct	—	Acquired	107.9% (price as of 2026-08-19)
July 1, 2010	PESI	A	7,039	$1.21	$8,517	158,321 Direct	+4.65%	Acquired	188.6% (price as of 2026-08-19)
April 1, 2010	PESI	A	4,762	$1.68	$8,000	151,282 Direct	+3.25%	Acquired	107.9% (price as of 2026-08-19)
Jan. 4, 2010	PESI	A	4,405	$1.70	$7,488	147,228 Direct	+3.08%	Acquired	105.4% (price as of 2026-08-19)
Dec. 14, 2009	PESI	M	5,000	$1.25	$6,250	142,823 Direct	+3.63%	Acquired	179.4% (price as of 2026-08-19)
Dec. 14, 2009	PESI	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Oct. 1, 2009	PESI	A	4,558	$1.76	$8,022	137,823 Direct	+3.42%	Acquired	98.4% (price as of 2026-08-19)
July 29, 2009	PESI	A	12,000	$2.67	$32,040	12,000 Direct	—	Acquired	30.8% (price as of 2026-08-19)
July 1, 2009	PESI	A	4,132	$1.82	$7,520	133,265 Direct	+3.20%	Acquired	91.9% (price as of 2026-08-19)
April 1, 2009	PESI	A	5,470	$1.46	$7,986	129,133 Direct	+4.42%	Acquired	139.2% (price as of 2026-08-19)
Jan. 2, 2009	PESI	A	8,533	$0.94	$8,021	123,663 Direct	+7.41%	Acquired	271.5% (price as of 2026-08-19)
Dec. 4, 2008	PESI	P	10,600	$0.89	$9,434	115,130 Direct	+10.14%	Acquired	292.4% (price as of 2026-08-19)
Oct. 1, 2008	PESI	A	4,306	$1.57	$6,760	104,530 Direct	+4.30%	Acquired	122.4% (price as of 2026-08-19)
Aug. 5, 2008	PESI	A	3,109	$2.01	$6,249	88,450 Direct	+3.64%	Acquired	73.7% (price as of 2026-08-19)
Aug. 5, 2008	PESI	A	3,104	$1.85	$5,742	91,554 Direct	+3.51%	Acquired	88.8% (price as of 2026-08-19)
Aug. 5, 2008	PESI	A	5,556	$1.22	$6,778	97,110 Direct	+6.07%	Acquired	186.2% (price as of 2026-08-19)
Aug. 5, 2008	PESI	A	3,114	$2.17	$6,757	100,224 Direct	+3.21%	Acquired	60.9% (price as of 2026-08-19)
Aug. 5, 2008	PESI	A	12,000	$2.34	$28,080	12,000 Direct	—	Acquired	49.2% (price as of 2026-08-19)
May 20, 2008	PESI	M	5,000	$1.75	$8,750	85,341 Direct	+6.22%	Acquired	99.5% (price as of 2026-08-19)
May 20, 2008	PESI	M	5,000	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
Aug. 2, 2007	PESI	A	2,899	$1.55	$4,493	71,041 Direct	+4.25%	Acquired	125.3% (price as of 2026-08-19)
Aug. 2, 2007	PESI	A	2,586	$1.74	$4,500	73,627 Direct	+3.64%	Acquired	100.7% (price as of 2026-08-19)
Aug. 2, 2007	PESI	A	3,782	$1.78	$6,732	77,409 Direct	+5.14%	Acquired	96.2% (price as of 2026-08-19)
Aug. 2, 2007	PESI	A	2,932	$2.30	$6,744	80,341 Direct	+3.79%	Acquired	51.8% (price as of 2026-08-19)
Aug. 2, 2007	PESI	A	12,000	$2.95	$35,400	12,000 Direct	—	Acquired	18.4% (price as of 2026-08-19)
July 27, 2006	PESI	A	2,727	$1.65	$4,500	58,591 Direct	+4.88%	Acquired	111.6% (price as of 2026-08-19)
July 27, 2006	PESI	A	3,593	$1.25	$4,491	62,184 Direct	+6.13%	Acquired	179.4% (price as of 2026-08-19)
July 27, 2006	PESI	A	3,141	$1.43	$4,492	65,325 Direct	+5.05%	Acquired	144.2% (price as of 2026-08-19)
July 27, 2006	PESI	A	2,817	$1.60	$4,507	68,142 Direct	+4.31%	Acquired	118.3% (price as of 2026-08-19)
July 27, 2006	PESI	A	12,000	$2.15	$25,800	12,000 Direct	—	Acquired	62.4% (price as of 2026-08-19)
July 27, 2005	PESI	A	3,727	$1.21	$4,510	46,107 Direct	+8.79%	Acquired	188.6% (price as of 2026-08-19)
July 27, 2005	PESI	A	3,317	$1.36	$4,511	49,424 Direct	+7.19%	Acquired	156.8% (price as of 2026-08-19)
July 27, 2005	PESI	A	3,315	$1.36	$4,508	52,739 Direct	+6.71%	Acquired	156.8% (price as of 2026-08-19)
July 27, 2005	PESI	A	3,125	$1.44	$4,500	55,864 Direct	+5.93%	Acquired	142.5% (price as of 2026-08-19)
July 27, 2005	PESI	A	12,000	$1.84	$22,080	12,000 Direct	—	Acquired	89.8% (price as of 2026-08-19)
July 28, 2004	PESI	A	2,655	$1.70	$4,514	39,028 Direct	+7.30%	Acquired	105.4% (price as of 2026-08-19)
July 28, 2004	PESI	A	3,352	$1.34	$4,492	42,380 Direct	+8.59%	Acquired	160.6% (price as of 2026-08-19)
July 28, 2004	PESI	A	12,000	$1.70	$20,400	69,000 Direct	+21.05%	Acquired	105.4% (price as of 2026-08-19)
July 27, 2004	PESI	A	2,400	$1.88	$4,512	24,739 Direct	+10.74%	Acquired	85.7% (price as of 2026-08-19)
July 27, 2004	PESI	A	2,927	$1.54	$4,508	27,666 Direct	+11.83%	Acquired	126.8% (price as of 2026-08-19)
July 27, 2004	PESI	A	3,226	$1.40	$4,516	30,892 Direct	+11.66%	Acquired	149.4% (price as of 2026-08-19)
July 27, 2004	PESI	A	3,552	$1.27	$4,511	34,444 Direct	+11.50%	Acquired	175.0% (price as of 2026-08-19)
July 27, 2004	PESI	A	1,929	$2.33	$4,495	36,373 Direct	+5.60%	Acquired	49.9% (price as of 2026-08-19)
July 29, 2003	PESI	A	12,000	—	—	12,000 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
Sept. 29, 2010	PESI	Stock Option	Common Stock (12,000)	$1.68	Sept. 29, 2020	12,000	Acquired
Dec. 14, 2009	PESI	Stock Option	Common Stock (5,000)	$1.25	Dec. 15, 2009	5,000	Disposed
July 29, 2009	PESI	Stock Option	Common Stock (12,000)	$2.67	July 29, 2019	12,000	Acquired
Aug. 5, 2008	PESI	Stock Option	Common Stock (12,000)	$2.34	Aug. 5, 2018	12,000	Acquired
May 20, 2008	PESI	Stock Option	Common Stock (5,000)	$1.75	May 20, 2008	5,000	Disposed
Aug. 2, 2007	PESI	Stock Option	Common Stock (12,000)	$2.95	Aug. 2, 2017	12,000	Acquired
July 27, 2006	PESI	Stock Option	Common Stock (12,000)	$2.15	July 27, 2016	12,000	Acquired
July 27, 2005	PESI	Stock Option	Common Stock (12,000)	$1.84	July 27, 2015	12,000	Acquired
July 28, 2004	PESI	Stock Option	Common Stock (12,000)	$1.70	July 28, 2014	12,000	Acquired
July 29, 2003	PESI	Stock Option	Common Stock (12,000)	$1.99	July 29, 2013	12,000	Acquired

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