APERGY CORP

CUSIP: 03755L104 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q1 2020
Shares 136,814 Value ($000) $786 Avg Close — Range —
Q3 2019
Shares 11,004 Value ($000) $298 Avg Close — Range —
Q4 2018
Shares 17,394 Value ($000) $471 Avg Close — Range —
Q3 2018
Shares 45,786 Value ($000) $1,994 Avg Close — Range —