Robert L Ferguson — SEC Insider Profile, Roles & Companies

Insider at

PESI buying Dec. 3, 2008

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 21 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

21 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 13, 2012	PESI	A	7,894	$0.81	$6,394	290,197 Direct	+2.80%	Acquired	284.2% (price as of 2026-10-02)
July 2, 2012	PESI	A	7,037	$0.88	$6,193	282,303 Direct	+2.56%	Acquired	253.6% (price as of 2026-10-02)
April 2, 2012	PESI	A	4,906	$1.19	$5,838	275,266 Direct	+1.81%	Acquired	161.5% (price as of 2026-10-02)
Jan. 3, 2012	PESI	A	5,032	$1.16	$5,837	270,360 Direct	+1.90%	Acquired	168.3% (price as of 2026-10-02)
Dec. 15, 2011	PESI	G	64,935	·	·	265,328 Direct	-19.66%	Disposed	(price as of 2026-10-02)
Oct. 1, 2011	PESI	A	2,960	$0.90	$2,664	330,263 Direct	+0.90%	Acquired	245.8% (price as of 2026-10-02)
April 1, 2010	PESI	A	2,008	$1.68	$3,373	378,367 Direct	+0.53%	Acquired	85.2% (price as of 2026-10-02)
Jan. 4, 2010	PESI	A	2,482	$1.70	$4,219	376,359 Direct	+0.66%	Acquired	83.1% (price as of 2026-10-02)
Dec. 22, 2009	PESI	J	90,000	·	·	373,877 Direct	+31.70%	Acquired	(price as of 2026-10-02)
Oct. 1, 2009	PESI	A	2,963	$1.76	$5,215	283,877 Direct	+1.05%	Acquired	76.8% (price as of 2026-10-02)
July 29, 2009	PESI	A	12,000	$2.67	$32,040	12,000 Direct	·	Acquired	16.6% (price as of 2026-10-02)
July 1, 2009	PESI	A	2,686	$1.82	$4,889	280,914 Direct	+0.97%	Acquired	71.0% (price as of 2026-10-02)
April 1, 2009	PESI	A	3,778	$1.46	$5,516	278,228 Direct	+1.38%	Acquired	113.2% (price as of 2026-10-02)
Jan. 2, 2009	PESI	A	5,200	$0.09	$468	274,450 Direct	+1.93%	Acquired	3357.8% (price as of 2026-10-02)
Jan. 2, 2009	PESI	A	5,200	$0.94	$4,888	339,385 Direct	+1.56%	Acquired	231.1% (price as of 2026-10-02)
Dec. 3, 2008	PESI	P	64,935	$0.75	$48,701	269,250 Direct	+31.78%	Acquired	314.9% (price as of 2026-10-02)
Dec. 3, 2008	PESI	P	129,870	$0.75	$97,402	334,185 Direct	+63.56%	Acquired	314.9% (price as of 2026-10-02)
Oct. 1, 2008	PESI	A	2,384	$1.57	$3,743	204,315 Direct	+1.18%	Acquired	98.2% (price as of 2026-10-02)
Aug. 5, 2008	PESI	A	1,412	$2.01	$2,838	194,195 Direct	+0.73%	Acquired	54.8% (price as of 2026-10-02)
Aug. 5, 2008	PESI	A	2,368	$1.85	$4,381	196,563 Direct	+1.22%	Acquired	68.2% (price as of 2026-10-02)
Aug. 5, 2008	PESI	A	3,344	$1.22	$4,080	199,907 Direct	+1.70%	Acquired	155.1% (price as of 2026-10-02)
Aug. 5, 2008	PESI	A	2,024	$2.17	$4,392	201,931 Direct	+1.01%	Acquired	43.4% (price as of 2026-10-02)
Aug. 5, 2008	PESI	A	12,000	$2.34	$28,080	12,000 Direct	·	Acquired	33.0% (price as of 2026-10-02)

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
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

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

Initial ownership (Form 3) 12 holdings

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

Date	Ticker	Security	Shares	Ownership
Aug. 24, 2011	PESI	Common Stock	327,303	Direct
Aug. 24, 2011	PESI	Common Stock	24,018	Indirect
Aug. 24, 2011	PESI	Common Stock	27,046	Indirect
Aug. 24, 2011	PESI	Stock Option→ Common Stock (30,000)	30,000	Direct
Aug. 24, 2011	PESI	Stock Option→ Common Stock (12,000)	12,000	Direct
Aug. 24, 2011	PESI	Stock Option→ Common Stock (12,000)	12,000	Direct
Aug. 24, 2011	PESI	Warrant to purchase common stock→ Common Stock (67,500)	67,500	Direct
Aug. 24, 2011	PESI	Stock Option→ Common Stock (30,000)	30,000	Direct
Aug. 2, 2007	PESI	Common Stock	141,719	Direct
Aug. 2, 2007	PESI	Common Stock	24,018	Indirect
Aug. 2, 2007	PESI	Common Stock	27,046	Indirect
Aug. 2, 2007	PESI	Stock Option→ Common Stock (30,000)	30,000	Direct