Alan R Sielbeck

Insider

First SEC filing: Oct. 3, 2005 · Latest: Oct. 3, 2005

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Insider at

0 buys (P) 0 sells (S) Net: $0 + 13 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

No open-market trades on record; showing all filings.

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Oct. 3, 2005	IESC	A	1,500	$2.80	$4,200	70,481 Direct	+2.17%	Acquired	1309.6% (price as of 2026-08-21)
Sept. 30, 2005	IESC	A	3,000	$2.80	$8,400	3,000 Direct	—	Acquired	1309.6% (price as of 2026-08-21)
July 1, 2005	IESC	A	1,500	$1.85	$2,775	68,981 Direct	+2.22%	Acquired	2033.5% (price as of 2026-08-21)
April 1, 2005	IESC	A	1,500	$2.77	$4,155	67,481 Direct	+2.27%	Acquired	1324.9% (price as of 2026-08-21)
Jan. 3, 2005	IESC	A	1,738	$4.53	$7,873	65,981 Direct	+2.71%	Acquired	771.3% (price as of 2026-08-21)
Oct. 1, 2004	IESC	A	1,610	$4.89	$7,873	64,243 Direct	+2.57%	Acquired	707.1% (price as of 2026-08-21)
Sept. 30, 2004	IESC	A	3,000	$4.81	$14,430	3,000 Direct	—	Acquired	720.6% (price as of 2026-08-21)
July 13, 2004	IESC	A	943	$8.35	$7,874	62,633 Direct	+1.53%	Acquired	372.7% (price as of 2026-08-21)
May 1, 2004	IESC	A	290	$9.75	$2,828	61,690 Direct	+0.47%	Acquired	304.8% (price as of 2026-08-21)
April 1, 2004	IESC	A	323	$11.19	$3,614	61,400 Direct	+0.53%	Acquired	252.7% (price as of 2026-08-21)
Jan. 1, 2004	IESC	A	391	$9.25	$3,617	61,077 Direct	+0.64%	Acquired	326.7% (price as of 2026-08-21)
Oct. 1, 2003	IESC	A	507	$7.14	$3,620	60,686 Direct	+0.84%	Acquired	452.8% (price as of 2026-08-21)
Sept. 30, 2003	IESC	A	3,000	$6.90	$20,700	3,000 Direct	—	Acquired	472.0% (price as of 2026-08-21)

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.

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
Sept. 30, 2005	IESC	Stock Option [F2]	Common Stock (3,000)	$2.80	Sept. 30, 2015	3,000	Acquired
Sept. 30, 2004	IESC	Stock Option [F2]	Common Stock (3,000)	$4.81	Sept. 30, 2014	3,000	Acquired
Sept. 30, 2003	IESC	Stock option [F1]	Common Stock (3,000)	$6.90	Sept. 30, 2013	3,000	Acquired

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