CVD EQUIPMENT CORP

Ticker: CVV CUSIP: 126601103 Class: COM

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

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

Q1 2018

Shares 29,085 Value ($000) $266 Avg Close $9.86 Range $8.75 - $11.97

Q4 2017

Shares 32,188 Value ($000) $374 Avg Close $11.51 Range $10.16 - $13.50

Q3 2017

Shares 32,188 Value ($000) $354 Avg Close $11.15 Range $9.80 - $11.90

Q2 2017

Shares 12,724 Value ($000) $141 Avg Close $11.03 Range $9.88 - $12.68

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	29,085	$266	$9.86	$8.75 - $11.97
Q4 2017	32,188	$374	$11.51	$10.16 - $13.50
Q3 2017	32,188	$354	$11.15	$9.80 - $11.90
Q2 2017	12,724	$141	$11.03	$9.88 - $12.68