MAITLAND PETER K

Vice President at USG CORP · on record since Feb 13, 2006

Insider trading activity of MAITLAND PETER K

Transactions on record: 32; since Jan 5, 2004

Open-market buys: 0

Open-market sells: 4; $1.7M

Companies traded: 1; last filing Aug 9, 2007

Figures computed from official regulatory filings — .

Companies where MAITLAND PETER K has traded

USG CORP32 tx · $5M · Aug 9, 2007

Track record of MAITLAND PETER K

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of MAITLAND PETER K

Co-insiders of MAITLAND PETER K

1109519 ONTARIO LTDUSG CORP
810679 ONTARIO LTDUSG CORP
Armario JoseUSG CORP
Banas Kenneth R.USG CORP
BARNETT ROBERT LUSG CORP
BELZ RAYMOND TUSG CORP
BERKSHIRE HATHAWAY INCUSG CORP
BOSOWSKI EDWARD MUSG CORP
BROWN KEITH AUSG CORP
BUFFETT WARREN EUSG CORP
BURKE THOMAS ANDREWUSG CORP
BURROWS BRAIN WUSG CORP
Carter Matthew JrUSG CORP
C & G Verwaltungs GmbHUSG CORP
COOK BRIAN JUSG CORP
COTTING JAMES CUSG CORP
CRUTCHER LAWRENCE MUSG CORP
Dannessa Dominic AUSG CORP
Deely BrendanUSG CORP
Fairfax (Barbados) International Corp.USG CORP
FAIRFAX FINANCIAL HOLDINGS LTD/ CANUSG CORP
Falcon Insurance Co (Hong Kong) LtdUSG CORP
FERGUSON STANLEY LUSG CORP
FLEMING RICHARD HUSG CORP
FOOTE WILLIAM CUSG CORP
FORD W DOUGLASUSG CORP
FOX DAVID WUSG CORP
GEBR. KNAUF VERWALTUNGSGESELLSCHAFT KG .USG CORP
Griffin Christopher R.USG CORP
HAGGERTY GRETCHEN RUSG CORP
HERNANDEZ WILLIAM HUSG CORP
HILZINGER MATTHEW FUSG CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
USG CORPListing unverified	Aug 9, 2007	Other	-236	42.20	$10K	SEC
USG CORPListing unverified	Mar 27, 2007	Award	695	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
USG CORPListing unverified	Mar 27, 2007	AwardD (derivative)	2,425	49.61	$120.3K	SEC
USG CORPListing unverified	Aug 9, 2006	Award	3,200	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
USG CORPListing unverified	Aug 9, 2006	AwardD (derivative)	5,800	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
USG CORPListing unverified	Jul 28, 2006	Other	3,584	40.00	$143.4K	SEC
USG CORPListing unverified	Jul 28, 2006	OtherD (derivative)	-3,584	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
USG CORPListing unverified	May 5, 2006	ExerciseD (derivative)	-5,000	34.60	$173K	SEC
USG CORPListing unverified	May 5, 2006	Sell	-5,000	105.21	$526.1K	SEC
USG CORPListing unverified	May 5, 2006	ExerciseD (derivative)	-5,000	48.42	$242.1K	SEC
USG CORPListing unverified	May 5, 2006	Sell	-3,000	105.21	$315.6K	SEC
USG CORPListing unverified	May 5, 2006	Exercise	5,000	48.42	$242.1K	SEC
USG CORPListing unverified	May 5, 2006	Sell	-3,000	105.21	$315.6K	SEC
USG CORPListing unverified	May 5, 2006	Exercise	5,000	34.60	$173K	SEC
USG CORPListing unverified	May 5, 2006	ExerciseD (derivative)	-3,000	50.87	$152.6K	SEC
USG CORPListing unverified	May 5, 2006	Exercise	3,000	46.14	$138.4K	SEC
USG CORPListing unverified	May 5, 2006	Sell	-5,000	105.21	$526.1K	SEC
USG CORPListing unverified	May 5, 2006	ExerciseD (derivative)	-3,000	46.14	$138.4K	SEC
USG CORPListing unverified	May 5, 2006	Exercise	3,000	50.87	$152.6K	SEC
USG CORPListing unverified	Feb 13, 2006	OtherD (derivative)	-25.95	—	n/a (No price was disclosed in the filing)	SEC
USG CORPListing unverified	Aug 8, 2005	ExerciseD (derivative)	-14,000	50.00 USD	$700K	SEC
USG CORPListing unverified	Aug 8, 2005	Other	-3,039	50.00 USD	$152K	SEC
USG CORPListing unverified	Aug 8, 2005	Other	-813	50.00 USD	$40.7K	SEC
USG CORPListing unverified	Aug 8, 2005	Exercise	-6,297	50.00 USD	$314.9K	SEC
USG CORPListing unverified	Aug 8, 2005	ExerciseD (derivative)	-5,000	50.00 USD	$250K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
USG CORPListing unverified	Aug 9, 2007	Other	-236	42.20	$10K	SEC
USG CORPListing unverified	Mar 27, 2007	Award	695	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
USG CORPListing unverified	Mar 27, 2007	AwardD (derivative)	2,425	49.61	$120.3K	SEC
USG CORPListing unverified	Aug 9, 2006	Award	3,200	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
USG CORPListing unverified	Aug 9, 2006	AwardD (derivative)	5,800	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
USG CORPListing unverified	Jul 28, 2006	Other	3,584	40.00	$143.4K	SEC
USG CORPListing unverified	Jul 28, 2006	OtherD (derivative)	-3,584	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))	SEC
USG CORPListing unverified	May 5, 2006	ExerciseD (derivative)	-5,000	34.60	$173K	SEC
USG CORPListing unverified	May 5, 2006	Sell	-5,000	105.21	$526.1K	SEC
USG CORPListing unverified	May 5, 2006	ExerciseD (derivative)	-5,000	48.42	$242.1K	SEC
USG CORPListing unverified	May 5, 2006	Sell	-3,000	105.21	$315.6K	SEC
USG CORPListing unverified	May 5, 2006	Exercise	5,000	48.42	$242.1K	SEC
USG CORPListing unverified	May 5, 2006	Sell	-3,000	105.21	$315.6K	SEC
USG CORPListing unverified	May 5, 2006	Exercise	5,000	34.60	$173K	SEC
USG CORPListing unverified	May 5, 2006	ExerciseD (derivative)	-3,000	50.87	$152.6K	SEC
USG CORPListing unverified	May 5, 2006	Exercise	3,000	46.14	$138.4K	SEC
USG CORPListing unverified	May 5, 2006	Sell	-5,000	105.21	$526.1K	SEC
USG CORPListing unverified	May 5, 2006	ExerciseD (derivative)	-3,000	46.14	$138.4K	SEC
USG CORPListing unverified	May 5, 2006	Exercise	3,000	50.87	$152.6K	SEC
USG CORPListing unverified	Feb 13, 2006	OtherD (derivative)	-25.95	—	n/a (No price was disclosed in the filing)	SEC
USG CORPListing unverified	Aug 8, 2005	ExerciseD (derivative)	-14,000	50.00 USD	$700K	SEC
USG CORPListing unverified	Aug 8, 2005	Other	-3,039	50.00 USD	$152K	SEC
USG CORPListing unverified	Aug 8, 2005	Other	-813	50.00 USD	$40.7K	SEC
USG CORPListing unverified	Aug 8, 2005	Exercise	-6,297	50.00 USD	$314.9K	SEC
USG CORPListing unverified	Aug 8, 2005	ExerciseD (derivative)	-5,000	50.00 USD	$250K	SEC