NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

RAMSEY QUANTITATIVE SYSTEMS's Holding History (CIK: 0001132897)

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

Q4 2018
Shares 6,136 Value ($000) $278 Avg Close — Range —
Q3 2018
Shares 8,678 Value ($000) $419 Avg Close — Range —
Q1 2017
Shares 16,130 Value ($000) $525 Avg Close — Range —
Q3 2015
Shares 17,663 Value ($000) $491 Avg Close — Range —