NATUS MEDICAL INC DEL

CUSIP: 639050103 Class: COM

NEEDHAM INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001167212)

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

Q2 2014
Shares 10,000 Value ($000) $251 Avg Close — Range —
Q1 2014
Shares 10,000 Value ($000) $258 Avg Close — Range —
Q4 2013
Shares 20,000 Value ($000) $450 Avg Close — Range —
Q3 2013
Shares 30,000 Value ($000) $426 Avg Close — Range —
Q2 2013
Shares 30,000 Value ($000) $410 Avg Close — Range —