NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q4 2022
Shares 15,569 Value ($000) $574 Avg Close — Range —
Q3 2022
Shares 9,010 Value ($000) $340 Avg Close — Range —
Q2 2022
Shares 336 Value ($000) $10 Avg Close — Range —
Q1 2022
Shares 9,725 Value ($000) $395 Avg Close — Range —
Q2 2021
Shares 76 Value ($000) $3 Avg Close — Range —
Q1 2021
Shares 127 Value ($000) $5 Avg Close — Range —
Q2 2020
Shares 404 Value ($000) $16 Avg Close — Range —
Q1 2020
Shares 4,863 Value ($000) $161 Avg Close — Range —
Q4 2019
Shares 1,647 Value ($000) $70 Avg Close — Range —
Q3 2019
Shares 1,471 Value ($000) $62 Avg Close — Range —
Q1 2019
Shares 7,116 Value ($000) $316 Avg Close — Range —
Q4 2018
Shares 1,239 Value ($000) $56 Avg Close — Range —
Q1 2018
Shares 2,255 Value ($000) $114 Avg Close — Range —