CORNING INC

Ticker: GLW CUSIP: 219350105 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 181,478 Value ($000) $15,890 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 187,192 Value ($000) $15,355 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 189,049 Value ($000) $9,942 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 176,297 Value ($000) $8,071 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 163,850 Value ($000) $7,786 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 167,650 Value ($000) $7,569 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 169,341 Value ($000) $6,579 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 168,567 Value ($000) $5,556 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 168,151 Value ($000) $5,120 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 154,356 Value ($000) $4,703 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 133,439 Value ($000) $4,676 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 129,047 Value ($000) $4,553 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 128,674 Value ($000) $4 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 111,280 Value ($000) $3,229 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 110,678 Value ($000) $3,487 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 99,951 Value ($000) $3,689 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 96,406 Value ($000) $3,589 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 96,322 Value ($000) $3,515 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 97,066 Value ($000) $3,970 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 96,098 Value ($000) $4,181 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 95,464 Value ($000) $3,437 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 70,505 Value ($000) $2,285 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 43,400 Value ($000) $1,124 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 49,137 Value ($000) $1,009 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 49,528 Value ($000) $1,442 Avg Close $24.43 Range $22.45 - $26.10

Q3 2019

Shares 50,038 Value ($000) $1,427 Avg Close $24.98 Range $22.31 - $28.54

Q2 2019

Shares 46,070 Value ($000) $1,531 Avg Close $26.62 Range $23.82 - $29.24

Q1 2019

Shares 45,996 Value ($000) $1,522 Avg Close $27.05 Range $23.03 - $29.16

Q4 2018

Shares 43,665 Value ($000) $1,319 Avg Close $26.17 Range $22.76 - $29.38

Q3 2018

Shares 66,471 Value ($000) $2,346 Avg Close $26.48 Range $22.14 - $29.90

Q2 2018

Shares 86,922 Value ($000) $2,391 Avg Close $22.38 Range $21.10 - $23.67

Q1 2018

Shares 77,764 Value ($000) $2,168 Avg Close $24.81 Range $21.97 - $28.19

Q4 2017

Shares 77,735 Value ($000) $2,487 Avg Close $25.23 Range $23.59 - $26.36

Q3 2017

Shares 73,453 Value ($000) $2,198 Avg Close $23.59 Range $22.03 - $25.57

Q2 2017

Shares 68,367 Value ($000) $2,054 Avg Close $22.77 Range $20.81 - $24.32

Q1 2017

Shares 68,845 Value ($000) $1,859 Avg Close $20.97 Range $18.97 - $22.43

Q4 2016

Shares 54,529 Value ($000) $1,323 Avg Close $18.64 Range $17.38 - $19.93

Q3 2016

Shares 59,219 Value ($000) $1,401 Avg Close $17.37 Range $15.37 - $18.61

Q2 2016

Shares 86,101 Value ($000) $1,763 Avg Close $15.51 Range $14.06 - $16.55

Q1 2016

Shares 82,582 Value ($000) $1,725 Avg Close $14.25 Range $12.36 - $16.26

Q4 2015

Shares 77,291 Value ($000) $1,413 Avg Close $13.86 Range $12.46 - $14.78

Q3 2015

Shares 78,766 Value ($000) $1,348 Avg Close $13.63 Range $11.66 - $15.13

Q2 2015

Shares 141,327 Value ($000) $2,788 Avg Close $16.12 Range $14.79 - $17.27

Q1 2015

Shares 145,849 Value ($000) $3,308 Avg Close $17.82 Range $16.37 - $18.82

Q4 2014

Shares 233,888 Value ($000) $5,363 Avg Close $15.20 Range $12.68 - $17.59

Q3 2014

Shares 236,772 Value ($000) $4,579 Avg Close $15.47 Range $14.31 - $16.57

Q2 2014

Shares 239,651 Value ($000) $5,260 Avg Close $15.67 Range $14.87 - $16.45

Q1 2014

Shares 266,718 Value ($000) $5,553 Avg Close $13.82 Range $12.14 - $15.48

Q4 2013

Shares 276,225 Value ($000) $4,922 Avg Close $12.05 Range $10.08 - $13.18

Q3 2013

Shares 298,257 Value ($000) $4,352 Avg Close $10.75 Range $10.09 - $11.23

Q2 2013

Shares 300,359 Value ($000) $4,274 Avg Close $10.49 Range $9.09 - $11.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	181,478	$15,890	$85.98	$77.39 - $96.64
Q3 2025	187,192	$15,355	$64.97	$50.94 - $81.93
Q2 2025	189,049	$9,942	$46.30	$36.82 - $52.47
Q1 2025	176,297	$8,071	$48.55	$43.53 - $54.30
Q4 2024	163,850	$7,786	$46.35	$42.94 - $49.78
Q3 2024	167,650	$7,569	$40.86	$36.03 - $44.95
Q2 2024	169,341	$6,579	$33.68	$29.54 - $39.21
Q1 2024	168,567	$5,556	$30.45	$28.32 - $32.29
Q4 2023	168,151	$5,120	$27.12	$23.85 - $29.36
Q3 2023	154,356	$4,703	$30.70	$28.22 - $33.67
Q2 2023	133,439	$4,676	$30.60	$28.39 - $33.72
Q1 2023	129,047	$4,553	$32.11	$29.39 - $34.14
Q4 2022	128,674	$4	$29.73	$26.59 - $31.97
Q3 2022	111,280	$3,229	$30.75	$26.45 - $34.17
Q2 2022	110,678	$3,487	$31.05	$28.04 - $33.53
Q1 2022	99,951	$3,689	$34.93	$30.29 - $38.80
Q4 2021	96,406	$3,589	$33.34	$31.26 - $35.25
Q3 2021	96,322	$3,515	$35.29	$32.36 - $37.53
Q2 2021	97,066	$3,970	$38.31	$33.97 - $41.06
Q1 2021	96,098	$4,181	$33.60	$30.34 - $38.69
Q4 2020	95,464	$3,437	$30.87	$27.10 - $33.50
Q3 2020	70,505	$2,285	$26.66	$22.06 - $29.33
Q2 2020	43,400	$1,124	$19.40	$15.19 - $24.47
Q1 2020	49,137	$1,009	$22.10	$14.86 - $25.72
Q4 2019	49,528	$1,442	$24.43	$22.45 - $26.10
Q3 2019	50,038	$1,427	$24.98	$22.31 - $28.54
Q2 2019	46,070	$1,531	$26.62	$23.82 - $29.24
Q1 2019	45,996	$1,522	$27.05	$23.03 - $29.16
Q4 2018	43,665	$1,319	$26.17	$22.76 - $29.38
Q3 2018	66,471	$2,346	$26.48	$22.14 - $29.90
Q2 2018	86,922	$2,391	$22.38	$21.10 - $23.67
Q1 2018	77,764	$2,168	$24.81	$21.97 - $28.19
Q4 2017	77,735	$2,487	$25.23	$23.59 - $26.36
Q3 2017	73,453	$2,198	$23.59	$22.03 - $25.57
Q2 2017	68,367	$2,054	$22.77	$20.81 - $24.32
Q1 2017	68,845	$1,859	$20.97	$18.97 - $22.43
Q4 2016	54,529	$1,323	$18.64	$17.38 - $19.93
Q3 2016	59,219	$1,401	$17.37	$15.37 - $18.61
Q2 2016	86,101	$1,763	$15.51	$14.06 - $16.55
Q1 2016	82,582	$1,725	$14.25	$12.36 - $16.26
Q4 2015	77,291	$1,413	$13.86	$12.46 - $14.78
Q3 2015	78,766	$1,348	$13.63	$11.66 - $15.13
Q2 2015	141,327	$2,788	$16.12	$14.79 - $17.27
Q1 2015	145,849	$3,308	$17.82	$16.37 - $18.82
Q4 2014	233,888	$5,363	$15.20	$12.68 - $17.59
Q3 2014	236,772	$4,579	$15.47	$14.31 - $16.57
Q2 2014	239,651	$5,260	$15.67	$14.87 - $16.45
Q1 2014	266,718	$5,553	$13.82	$12.14 - $15.48
Q4 2013	276,225	$4,922	$12.05	$10.08 - $13.18
Q3 2013	298,257	$4,352	$10.75	$10.09 - $11.23
Q2 2013	300,359	$4,274	$10.49	$9.09 - $11.82