NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q2 2023
Shares 655 Value ($000) $38 Avg Close — Range —
Q1 2023
Shares 65,341 Value ($000) $3,425 Avg Close — Range —
Q4 2018
Shares 25,604 Value ($000) $1,162 Avg Close — Range —