NIU TECHNOLOGIES

Ticker: NIU CUSIP: 65481N100 Class: ADS

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

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

Q4 2019
Shares 159,691 Value ($000) $1,362 Avg Close — Range —
Q3 2019
Shares 159,545 Value ($000) $1,347 Avg Close — Range —