NATUS MEDICAL INC DEL

CUSIP: 639050103 Class: COM

Advisors Asset Management, Inc.'s Holding History (CIK: 0001297376)

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

Q1 2019
Shares 1,742 Value ($000) $44 Avg Close — Range —
Q4 2018
Shares 3,143 Value ($000) $107 Avg Close — Range —
Q3 2018
Shares 3,941 Value ($000) $140 Avg Close — Range —
Q2 2018
Shares 12,020 Value ($000) $415 Avg Close — Range —
Q1 2018
Shares 13,003 Value ($000) $405 Avg Close — Range —
Q4 2017
Shares 11,385 Value ($000) $435 Avg Close — Range —
Q3 2017
Shares 11,493 Value ($000) $431 Avg Close — Range —
Q2 2017
Shares 26,639 Value ($000) $994 Avg Close — Range —
Q1 2017
Shares 29,486 Value ($000) $1,157 Avg Close — Range —
Q4 2016
Shares 79,380 Value ($000) $2,762 Avg Close — Range —
Q3 2016
Shares 92,607 Value ($000) $3,639 Avg Close — Range —
Q2 2016
Shares 121,319 Value ($000) $4,586 Avg Close — Range —
Q1 2016
Shares 153,465 Value ($000) $5,898 Avg Close — Range —
Q4 2015
Shares 189,045 Value ($000) $9,084 Avg Close — Range —
Q3 2015
Shares 156,621 Value ($000) $6,179 Avg Close — Range —
Q2 2015
Shares 136,754 Value ($000) $5,820 Avg Close — Range —
Q1 2015
Shares 122,733 Value ($000) $4,844 Avg Close — Range —
Q4 2014
Shares 89,670 Value ($000) $3,232 Avg Close — Range —
Q3 2014
Shares 70,204 Value ($000) $2,072 Avg Close — Range —
Q2 2014
Shares 40,190 Value ($000) $1,010 Avg Close — Range —
Q1 2014
Shares 15,398 Value ($000) $397 Avg Close — Range —