CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

Citizens National Bank Trust Department's Holding History (CIK: 0001806425)

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

Q4 2025

Shares 21,200 Value ($000) $1,856 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 21,560 Value ($000) $1,769 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 22,115 Value ($000) $1,163 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 22,215 Value ($000) $1,017 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 24,745 Value ($000) $1,176 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 25,995 Value ($000) $1,174 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 28,310 Value ($000) $1,100 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 33,322 Value ($000) $1,098 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 33,937 Value ($000) $1,033 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 28,787 Value ($000) $877 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 25,717 Value ($000) $901 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 29,417 Value ($000) $1,038 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 29,417 Value ($000) $1 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 29,342 Value ($000) $852 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 16,375 Value ($000) $516 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 10,825 Value ($000) $381 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 10,390 Value ($000) $387 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 16,450 Value ($000) $600 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 17,200 Value ($000) $703 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 17,200 Value ($000) $748 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 21,200 Value ($000) $764 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 21,200 Value ($000) $687 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 21,200 Value ($000) $549 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 26,900 Value ($000) $552 Avg Close $22.10 Range $14.86 - $25.72

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	21,200	$1,856	$85.98	$77.39 - $96.64
Q3 2025	21,560	$1,769	$64.97	$50.94 - $81.93
Q2 2025	22,115	$1,163	$46.30	$36.82 - $52.47
Q1 2025	22,215	$1,017	$48.55	$43.53 - $54.30
Q4 2024	24,745	$1,176	$46.35	$42.94 - $49.78
Q3 2024	25,995	$1,174	$40.86	$36.03 - $44.95
Q2 2024	28,310	$1,100	$33.68	$29.54 - $39.21
Q1 2024	33,322	$1,098	$30.45	$28.32 - $32.29
Q4 2023	33,937	$1,033	$27.12	$23.85 - $29.36
Q3 2023	28,787	$877	$30.70	$28.22 - $33.67
Q2 2023	25,717	$901	$30.60	$28.39 - $33.72
Q1 2023	29,417	$1,038	$32.11	$29.39 - $34.14
Q4 2022	29,417	$1	$29.73	$26.59 - $31.97
Q3 2022	29,342	$852	$30.75	$26.45 - $34.17
Q2 2022	16,375	$516	$31.05	$28.04 - $33.53
Q1 2022	10,825	$381	$34.93	$30.29 - $38.80
Q4 2021	10,390	$387	$33.34	$31.26 - $35.25
Q3 2021	16,450	$600	$35.29	$32.36 - $37.53
Q2 2021	17,200	$703	$38.31	$33.97 - $41.06
Q1 2021	17,200	$748	$33.60	$30.34 - $38.69
Q4 2020	21,200	$764	$30.87	$27.10 - $33.50
Q3 2020	21,200	$687	$26.66	$22.06 - $29.33
Q2 2020	21,200	$549	$19.40	$15.19 - $24.47
Q1 2020	26,900	$552	$22.10	$14.86 - $25.72