U S G Corp

ESSEX INVESTMENT MANAGEMENT CO LLC

Report date

6/30/2014

Quarter

2014 Q2

Filed

7/23/2014

Shares

109,670

Value ($000)

3,304

Weight

0.5%

2013 Q4 - 2014 Q2 (3 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2014 Q2	7/23/2014	3,304	0.5%	109,670	6/30/2014
2014 Q1	4/28/2014	2,617	0.4%	79,977	3/31/2014
2013 Q4	1/28/2014	2,411	0.3%	84,947	12/31/2013