PSIVIDA CORP

CUSIP: 74440J101 Class: COM

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

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

Q1 2018
Shares 145,821 Value ($000) $178 Avg Close — Range —
Q4 2017
Shares 160,612 Value ($000) $173 Avg Close — Range —