NATIONAL PRESTO INDS INC

Ticker: NPK CUSIP: 637215104 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 8,852 Value ($000) $783 Avg Close $85.92 Range $79.49 - $94.30

Q3 2020

Shares 10,245 Value ($000) $839 Avg Close $87.32 Range $81.09 - $95.66

Q2 2020

Shares 10,217 Value ($000) $893 Avg Close $85.05 Range $68.17 - $97.90

Q1 2020

Shares 9,512 Value ($000) $674 Avg Close $84.26 Range $66.60 - $93.99

Q4 2019

Shares 7,705 Value ($000) $681 Avg Close $87.02 Range $80.39 - $92.37

Q3 2019

Shares 8,619 Value ($000) $768 Avg Close $90.44 Range $82.38 - $97.82

Q2 2019

Shares 8,189 Value ($000) $764 Avg Close $101.82 Range $89.24 - $112.50

Q1 2019

Shares 10,398 Value ($000) $1,129 Avg Close $116.40 Range $99.24 - $133.12

Q4 2018

Shares 10,631 Value ($000) $1,243 Avg Close $125.24 Range $109.50 - $133.95

Q3 2018

Shares 11,578 Value ($000) $1,501 Avg Close $126.95 Range $115.25 - $140.32

Q2 2018

Shares 11,187 Value ($000) $1,387 Avg Close $107.98 Range $92.00 - $136.65

Q1 2018

Shares 11,759 Value ($000) $1,102 Avg Close $99.25 Range $88.80 - $108.45

Q4 2017

Shares 9,331 Value ($000) $928 Avg Close $109.11 Range $95.50 - $121.40

Q3 2017

Shares 9,275 Value ($000) $987 Avg Close $105.66 Range $95.65 - $114.70

Q2 2017

Shares 9,125 Value ($000) $1,008 Avg Close $105.57 Range $98.05 - $112.45

Q1 2017

Shares 9,235 Value ($000) $944 Avg Close $103.21 Range $91.75 - $112.00

Q4 2016

Shares 8,997 Value ($000) $957 Avg Close $93.06 Range $83.53 - $108.75

Q3 2016

Shares 19,990 Value ($000) $1,755 Avg Close $90.73 Range $85.13 - $96.25

Q2 2016

Shares 20,019 Value ($000) $1,889 Avg Close $87.97 Range $81.96 - $94.35

Q1 2016

Shares 19,823 Value ($000) $1,660 Avg Close $80.09 Range $72.30 - $88.00

Q4 2015

Shares 19,274 Value ($000) $1,597 Avg Close $86.71 Range $78.13 - $94.18

Q3 2015

Shares 19,444 Value ($000) $1,638 Avg Close $81.19 Range $74.57 - $88.00

Q2 2015

Shares 19,205 Value ($000) $1,543 Avg Close $68.50 Range $61.65 - $80.34

Q1 2015

Shares 10,344 Value ($000) $656 Avg Close $61.65 Range $56.04 - $67.90

Q3 2013

Shares 3,660 Value ($000) $258 Avg Close $72.80 Range $68.50 - $77.50

Q2 2013

Shares 3,351 Value ($000) $241 Avg Close $76.01 Range $70.25 - $80.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	8,852	$783	$85.92	$79.49 - $94.30
Q3 2020	10,245	$839	$87.32	$81.09 - $95.66
Q2 2020	10,217	$893	$85.05	$68.17 - $97.90
Q1 2020	9,512	$674	$84.26	$66.60 - $93.99
Q4 2019	7,705	$681	$87.02	$80.39 - $92.37
Q3 2019	8,619	$768	$90.44	$82.38 - $97.82
Q2 2019	8,189	$764	$101.82	$89.24 - $112.50
Q1 2019	10,398	$1,129	$116.40	$99.24 - $133.12
Q4 2018	10,631	$1,243	$125.24	$109.50 - $133.95
Q3 2018	11,578	$1,501	$126.95	$115.25 - $140.32
Q2 2018	11,187	$1,387	$107.98	$92.00 - $136.65
Q1 2018	11,759	$1,102	$99.25	$88.80 - $108.45
Q4 2017	9,331	$928	$109.11	$95.50 - $121.40
Q3 2017	9,275	$987	$105.66	$95.65 - $114.70
Q2 2017	9,125	$1,008	$105.57	$98.05 - $112.45
Q1 2017	9,235	$944	$103.21	$91.75 - $112.00
Q4 2016	8,997	$957	$93.06	$83.53 - $108.75
Q3 2016	19,990	$1,755	$90.73	$85.13 - $96.25
Q2 2016	20,019	$1,889	$87.97	$81.96 - $94.35
Q1 2016	19,823	$1,660	$80.09	$72.30 - $88.00
Q4 2015	19,274	$1,597	$86.71	$78.13 - $94.18
Q3 2015	19,444	$1,638	$81.19	$74.57 - $88.00
Q2 2015	19,205	$1,543	$68.50	$61.65 - $80.34
Q1 2015	10,344	$656	$61.65	$56.04 - $67.90
Q3 2013	3,660	$258	$72.80	$68.50 - $77.50
Q2 2013	3,351	$241	$76.01	$70.25 - $80.50