NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

BOKF, NA's Holding History (CIK: 0000009634)

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

Q1 2021
Shares 19,018 Value ($000) $821 Avg Close — Range —
Q4 2020
Shares 18,474 Value ($000) $812 Avg Close — Range —
Q3 2020
Shares 15,479 Value ($000) $553 Avg Close — Range —
Q2 2020
Shares 13,906 Value ($000) $538 Avg Close — Range —
Q1 2020
Shares 14,965 Value ($000) $495 Avg Close — Range —
Q1 2016
Shares 9,043 Value ($000) $272 Avg Close — Range —
Q4 2015
Shares 8,254 Value ($000) $237 Avg Close — Range —
Q3 2015
Shares 7,869 Value ($000) $218 Avg Close — Range —
Q2 2015
Shares 7,780 Value ($000) $230 Avg Close — Range —
Q1 2015
Shares 6,476 Value ($000) $207 Avg Close — Range —