NATIONAL INSTRS CORP

CUSIP: 636518102 Class: Common Stock

MARTINGALE ASSET MANAGEMENT L P's Holding History (CIK: 0000936944)

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

Q4 2020
Shares 13,722 Value ($000) $604 Avg Close — Range —
Q3 2020
Shares 10,617 Value ($000) $380 Avg Close — Range —
Q3 2019
Shares 6,405 Value ($000) $270 Avg Close — Range —
Q2 2019
Shares 24,705 Value ($000) $1,039 Avg Close — Range —
Q1 2019
Shares 30,521 Value ($000) $1,356 Avg Close — Range —
Q1 2017
Shares 12,315 Value ($000) $401 Avg Close — Range —
Q4 2016
Shares 348,831 Value ($000) $10,752 Avg Close — Range —
Q3 2016
Shares 386,541 Value ($000) $10,979 Avg Close — Range —
Q2 2016
Shares 431,694 Value ($000) $11,830 Avg Close — Range —
Q1 2016
Shares 367,050 Value ($000) $11,053 Avg Close — Range —
Q4 2015
Shares 334,150 Value ($000) $9,588 Avg Close — Range —
Q3 2015
Shares 319,347 Value ($000) $8,876 Avg Close — Range —
Q2 2015
Shares 246,129 Value ($000) $7,252 Avg Close — Range —
Q1 2015
Shares 217,428 Value ($000) $6,967 Avg Close — Range —
Q4 2014
Shares 55,666 Value ($000) $1,731 Avg Close — Range —
Q3 2014
Shares 7,613 Value ($000) $236 Avg Close — Range —