PACKAGING CORP AMER

Ticker: PKG CUSIP: 695156109 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 20,788 Value ($000) $4,287 Avg Close $202.35 Range $190.33 - $217.23

Q3 2025

Shares 21,461 Value ($000) $4,677 Avg Close $204.01 Range $186.79 - $217.69

Q2 2025

Shares 21,912 Value ($000) $4,129 Avg Close $185.78 Range $169.57 - $198.77

Q1 2025

Shares 20,392 Value ($000) $4,038 Avg Close $208.39 Range $186.56 - $236.70

Q4 2024

Shares 18,960 Value ($000) $4,268 Avg Close $224.51 Range $204.23 - $243.29

Q3 2024

Shares 19,410 Value ($000) $4,181 Avg Close $191.85 Range $169.77 - $211.16

Q2 2024

Shares 19,581 Value ($000) $3,575 Avg Close $174.41 Range $161.85 - $184.54

Q1 2024

Shares 19,528 Value ($000) $3,706 Avg Close $165.18 Range $151.79 - $182.55

Q4 2023

Shares 19,626 Value ($000) $3,197 Avg Close $148.76 Range $135.78 - $162.02

Q3 2023

Shares 18,079 Value ($000) $2,776 Avg Close $136.75 Range $119.56 - $148.54

Q2 2023

Shares 15,684 Value ($000) $2,073 Avg Close $124.12 Range $113.32 - $134.63

Q1 2023

Shares 15,687 Value ($000) $2,178 Avg Close $125.10 Range $116.77 - $134.32

Q4 2022

Shares 15,641 Value ($000) $2 Avg Close $114.21 Range $100.59 - $127.79

Q3 2022

Shares 13,711 Value ($000) $1,540 Avg Close $121.77 Range $99.65 - $131.62

Q2 2022

Shares 13,643 Value ($000) $1,876 Avg Close $138.05 Range $120.40 - $150.31

Q1 2022

Shares 12,710 Value ($000) $1,984 Avg Close $129.65 Range $116.78 - $141.37

Q4 2021

Shares 11,923 Value ($000) $1,623 Avg Close $118.44 Range $110.57 - $126.54

Q3 2021

Shares 11,904 Value ($000) $1,636 Avg Close $124.77 Range $114.15 - $136.11

Q2 2021

Shares 11,902 Value ($000) $1,612 Avg Close $124.99 Range $115.04 - $135.82

Q1 2021

Shares 11,860 Value ($000) $1,595 Avg Close $117.61 Range $110.24 - $127.62

Q4 2020

Shares 11,849 Value ($000) $1,634 Avg Close $107.80 Range $90.71 - $119.12

Q3 2020

Shares 8,787 Value ($000) $958 Avg Close $86.90 Range $78.09 - $97.76

Q2 2020

Shares 5,423 Value ($000) $541 Avg Close $80.20 Range $67.49 - $94.96

Q1 2020

Shares 6,047 Value ($000) $525 Avg Close $81.01 Range $59.81 - $94.15

Q4 2019

Shares 6,096 Value ($000) $683 Avg Close $91.47 Range $83.26 - $95.05

Q3 2019

Shares 6,066 Value ($000) $644 Avg Close $83.39 Range $79.17 - $90.57

Q2 2019

Shares 5,835 Value ($000) $556 Avg Close $78.80 Range $71.62 - $84.63

Q1 2019

Shares 6,384 Value ($000) $634 Avg Close $76.99 Range $66.23 - $82.38

Q4 2018

Shares 7,421 Value ($000) $619 Avg Close $74.71 Range $63.01 - $88.72

Q3 2018

Shares 11,039 Value ($000) $1,211 Avg Close $89.95 Range $85.53 - $95.35

Q2 2018

Shares 13,468 Value ($000) $1,506 Avg Close $92.50 Range $85.42 - $98.67

Q1 2018

Shares 10,193 Value ($000) $1,149 Avg Close $95.04 Range $86.28 - $103.21

Q4 2017

Shares 9,355 Value ($000) $1,128 Avg Close $90.90 Range $84.94 - $95.54

Q3 2017

Shares 8,440 Value ($000) $968 Avg Close $87.21 Range $82.40 - $93.51

Q2 2017

Shares 13,749 Value ($000) $1,532 Avg Close $78.06 Range $69.46 - $88.40

Q1 2017

Shares 13,761 Value ($000) $1,261 Avg Close $70.61 Range $64.59 - $74.47

Q4 2016

Shares 13,826 Value ($000) $1,173 Avg Close $64.06 Range $59.55 - $67.47

Q3 2016

Shares 13,938 Value ($000) $1,133 Avg Close $57.96 Range $49.31 - $63.17

Q2 2016

Shares 18,114 Value ($000) $1,212 Avg Close $49.15 Range $43.90 - $53.57

Q1 2016

Shares 16,848 Value ($000) $1,018 Avg Close $39.93 Range $32.96 - $46.60

Q4 2015

Shares 28,124 Value ($000) $1,773 Avg Close $48.62 Range $43.88 - $51.62

Q3 2015

Shares 28,212 Value ($000) $1,697 Avg Close $48.88 Range $42.96 - $53.79

Q2 2015

Shares 28,624 Value ($000) $1,789 Avg Close $51.10 Range $45.67 - $57.26

Q1 2015

Shares 25,681 Value ($000) $2,008 Avg Close $57.22 Range $52.57 - $61.10

Q4 2014

Shares 21,105 Value ($000) $1,647 Avg Close $51.38 Range $40.86 - $57.69

Q3 2014

Shares 13,654 Value ($000) $871 Avg Close $47.89 Range $45.15 - $51.84

Q2 2014

Shares 13,670 Value ($000) $977 Avg Close $48.69 Range $46.01 - $51.49

Q1 2014

Shares 13,712 Value ($000) $965 Avg Close $48.15 Range $43.19 - $52.87

Q4 2013

Shares 13,764 Value ($000) $871 Avg Close $42.52 Range $38.94 - $45.04

Q3 2013

Shares 13,953 Value ($000) $797 Avg Close $37.66 Range $33.65 - $42.90

Q2 2013

Shares 13,959 Value ($000) $683 Avg Close $32.81 Range $29.18 - $34.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	20,788	$4,287	$202.35	$190.33 - $217.23
Q3 2025	21,461	$4,677	$204.01	$186.79 - $217.69
Q2 2025	21,912	$4,129	$185.78	$169.57 - $198.77
Q1 2025	20,392	$4,038	$208.39	$186.56 - $236.70
Q4 2024	18,960	$4,268	$224.51	$204.23 - $243.29
Q3 2024	19,410	$4,181	$191.85	$169.77 - $211.16
Q2 2024	19,581	$3,575	$174.41	$161.85 - $184.54
Q1 2024	19,528	$3,706	$165.18	$151.79 - $182.55
Q4 2023	19,626	$3,197	$148.76	$135.78 - $162.02
Q3 2023	18,079	$2,776	$136.75	$119.56 - $148.54
Q2 2023	15,684	$2,073	$124.12	$113.32 - $134.63
Q1 2023	15,687	$2,178	$125.10	$116.77 - $134.32
Q4 2022	15,641	$2	$114.21	$100.59 - $127.79
Q3 2022	13,711	$1,540	$121.77	$99.65 - $131.62
Q2 2022	13,643	$1,876	$138.05	$120.40 - $150.31
Q1 2022	12,710	$1,984	$129.65	$116.78 - $141.37
Q4 2021	11,923	$1,623	$118.44	$110.57 - $126.54
Q3 2021	11,904	$1,636	$124.77	$114.15 - $136.11
Q2 2021	11,902	$1,612	$124.99	$115.04 - $135.82
Q1 2021	11,860	$1,595	$117.61	$110.24 - $127.62
Q4 2020	11,849	$1,634	$107.80	$90.71 - $119.12
Q3 2020	8,787	$958	$86.90	$78.09 - $97.76
Q2 2020	5,423	$541	$80.20	$67.49 - $94.96
Q1 2020	6,047	$525	$81.01	$59.81 - $94.15
Q4 2019	6,096	$683	$91.47	$83.26 - $95.05
Q3 2019	6,066	$644	$83.39	$79.17 - $90.57
Q2 2019	5,835	$556	$78.80	$71.62 - $84.63
Q1 2019	6,384	$634	$76.99	$66.23 - $82.38
Q4 2018	7,421	$619	$74.71	$63.01 - $88.72
Q3 2018	11,039	$1,211	$89.95	$85.53 - $95.35
Q2 2018	13,468	$1,506	$92.50	$85.42 - $98.67
Q1 2018	10,193	$1,149	$95.04	$86.28 - $103.21
Q4 2017	9,355	$1,128	$90.90	$84.94 - $95.54
Q3 2017	8,440	$968	$87.21	$82.40 - $93.51
Q2 2017	13,749	$1,532	$78.06	$69.46 - $88.40
Q1 2017	13,761	$1,261	$70.61	$64.59 - $74.47
Q4 2016	13,826	$1,173	$64.06	$59.55 - $67.47
Q3 2016	13,938	$1,133	$57.96	$49.31 - $63.17
Q2 2016	18,114	$1,212	$49.15	$43.90 - $53.57
Q1 2016	16,848	$1,018	$39.93	$32.96 - $46.60
Q4 2015	28,124	$1,773	$48.62	$43.88 - $51.62
Q3 2015	28,212	$1,697	$48.88	$42.96 - $53.79
Q2 2015	28,624	$1,789	$51.10	$45.67 - $57.26
Q1 2015	25,681	$2,008	$57.22	$52.57 - $61.10
Q4 2014	21,105	$1,647	$51.38	$40.86 - $57.69
Q3 2014	13,654	$871	$47.89	$45.15 - $51.84
Q2 2014	13,670	$977	$48.69	$46.01 - $51.49
Q1 2014	13,712	$965	$48.15	$43.19 - $52.87
Q4 2013	13,764	$871	$42.52	$38.94 - $45.04
Q3 2013	13,953	$797	$37.66	$33.65 - $42.90
Q2 2013	13,959	$683	$32.81	$29.18 - $34.98