SEC Filings

Filing date	Description	Form	View
Mar 20, 2018	25-NSE	25-NSE	0000876661-18-000276.rtf 0000876661-18-000276.pdf
Mar 19, 2018	8-K12B	8-K12B	0001193125-18-087967.rtf 0001193125-18-087967.xls 0001193125-18-087967.pdf
Mar 22, 2010	A preliminary proxy statement providing notification matters to be brought to a vote	PRE 14A	0001193125-10-063120.rtf 0001193125-10-063120.xls 0001193125-10-063120.pdf
Mar 16, 2012	A preliminary proxy statement providing notification matters to be brought to a vote	PRE 14A	0001193125-12-119775.rtf 0001193125-12-119775.xls 0001193125-12-119775.pdf
Mar 24, 2017	A preliminary proxy statement providing notification matters to be brought to a vote	PRE 14A	0001193125-17-095805.rtf 0001193125-17-095805.xls 0001193125-17-095805.pdf
Jul 10, 2007	A statement of beneficial ownership of common stock by certain persons	SC 13G	0000038777-07-000432.rtf 0000038777-07-000432.xls 0000038777-07-000432.pdf
Feb 01, 2008	A statement of beneficial ownership of common stock by certain persons	SC 13G	0001104659-08-006589.rtf 0001104659-08-006589.xls 0001104659-08-006589.pdf
Jan 29, 2010	A statement of beneficial ownership of common stock by certain persons	SC 13G	0001086364-10-007066.rtf 0001086364-10-007066.pdf
Feb 16, 2010	A statement of beneficial ownership of common stock by certain persons	SC 13G	0000812295-10-000107.rtf 0000812295-10-000107.pdf
Feb 11, 2011	A statement of beneficial ownership of common stock by certain persons	SC 13G	0000909012-11-000068.rtf 0000909012-11-000068.pdf

Data provided by Kaleidoscope.

Investor Relations Contact

Larry Busnardo
Vice President, Investor Relations
(303) 312-8514
lbusnardo@hpres.com