VISTA GOLD CORP

Ticker: VGZ CUSIP: 927926303 Class: COM NEW

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

Note: Option positions (PUT/CALL) are excluded.

Q4 2019

Shares 350,000 Value ($000) $254 Avg Close $0.72 Range $0.52 - $0.85

Q3 2019

Shares 611,138 Value ($000) $464 Avg Close $0.87 Range $0.66 - $1.05

Q2 2019

Shares 313,182 Value ($000) $238 Avg Close $0.64 Range $0.52 - $0.83

Q1 2019

Shares 280,000 Value ($000) $191 Avg Close $0.69 Range $0.53 - $0.92

Q4 2018

Shares 280,000 Value ($000) $147 Avg Close $0.51 Range $0.37 - $0.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	350,000	$254	$0.72	$0.52 - $0.85
Q3 2019	611,138	$464	$0.87	$0.66 - $1.05
Q2 2019	313,182	$238	$0.64	$0.52 - $0.83
Q1 2019	280,000	$191	$0.69	$0.53 - $0.92
Q4 2018	280,000	$147	$0.51	$0.37 - $0.60