sec filings

Form	Description	Filer	Filing date	View
25-NSE	25-NSE		Jun 16, 2015	View HTML 0000876661-15-000253.pdf
25-NSE	25-NSE		Jan 31, 2017	View HTML 0000876661-17-000048.pdf
PRE 14A	A preliminary proxy statement providing notification matters to be brought to a vote		Mar 23, 2012	View HTML 0001193125-12-129962.pdf 0001193125-12-129962.xls
PREM14A	A preliminary proxy statement relating to a merger or acquisition		Nov 09, 2009	View HTML 0001193125-09-229486.pdf 0001193125-09-229486.xls
SC 13G	A statement of beneficial ownership of common stock by certain persons	LORD ABBETT & CO LLC	Feb 14, 2006	View HTML 0001104659-06-009137.pdf 0001104659-06-009137.xls
SC 13G	A statement of beneficial ownership of common stock by certain persons	BERKSHIRE HATHAWAY INC	Feb 14, 2008	View HTML 0001193125-08-031516.pdf 0001193125-08-031516.xls
SC 13G	A statement of beneficial ownership of common stock by certain persons	STATE STREET BANK & TRUST CO	Feb 17, 2009	View HTML 0000093748-09-000049.pdf
SC 13G	A statement of beneficial ownership of common stock by certain persons	BlackRock Inc.	Jan 29, 2010	View HTML 0001086364-10-008366.pdf
SC 13G	A statement of beneficial ownership of common stock by certain persons		Feb 11, 2011	View HTML 0001422848-11-000106.pdf
SC 13G	A statement of beneficial ownership of common stock by certain persons		Feb 09, 2012	View HTML 0001519058-12-000042.pdf