NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2023
Shares 4,321 Value ($000) $258 Avg Close — Range —
Q1 2023
Shares 11,256 Value ($000) $590 Avg Close — Range —
Q4 2022
Shares 869 Value ($000) $32 Avg Close — Range —
Q4 2020
Shares 824 Value ($000) $36 Avg Close — Range —
Q3 2020
Shares 9,163 Value ($000) $327 Avg Close — Range —
Q1 2019
Shares 2,669 Value ($000) $118 Avg Close — Range —
Q4 2018
Shares 9,178 Value ($000) $416 Avg Close — Range —
Q1 2018
Shares 1,102 Value ($000) $56 Avg Close — Range —
Q1 2017
Shares 18,299 Value ($000) $596 Avg Close — Range —