CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q4 2025

Shares 6,852 Value ($000) $600 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 6,872 Value ($000) $564 Avg Close $64.97 Range $50.94 - $81.93

Q2 2025

Shares 6,842 Value ($000) $360 Avg Close $46.30 Range $36.82 - $52.47

Q1 2025

Shares 6,825 Value ($000) $312 Avg Close $48.55 Range $43.53 - $54.30

Q4 2024

Shares 6,758 Value ($000) $321 Avg Close $46.35 Range $42.94 - $49.78

Q3 2024

Shares 6,858 Value ($000) $310 Avg Close $40.86 Range $36.03 - $44.95

Q2 2024

Shares 6,765 Value ($000) $263 Avg Close $33.68 Range $29.54 - $39.21

Q1 2024

Shares 6,845 Value ($000) $226 Avg Close $30.45 Range $28.32 - $32.29

Q4 2023

Shares 6,790 Value ($000) $207 Avg Close $27.12 Range $23.85 - $29.36

Q3 2023

Shares 7,240 Value ($000) $221 Avg Close $30.70 Range $28.22 - $33.67

Q2 2023

Shares 9,787 Value ($000) $343 Avg Close $30.60 Range $28.39 - $33.72

Q1 2023

Shares 9,787 Value ($000) $345 Avg Close $32.11 Range $29.39 - $34.14

Q4 2022

Shares 12,334 Value ($000) $394 Avg Close $29.73 Range $26.59 - $31.97

Q3 2022

Shares 12,267 Value ($000) $356 Avg Close $30.75 Range $26.45 - $34.17

Q2 2022

Shares 11,902 Value ($000) $375 Avg Close $31.05 Range $28.04 - $33.53

Q1 2022

Shares 11,565 Value ($000) $427 Avg Close $34.93 Range $30.29 - $38.80

Q4 2021

Shares 32,899 Value ($000) $1,225 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 33,216 Value ($000) $1,212 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 32,739 Value ($000) $1,339 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 32,406 Value ($000) $1,410 Avg Close $33.60 Range $30.34 - $38.69

Q4 2020

Shares 32,867 Value ($000) $1,183 Avg Close $30.87 Range $27.10 - $33.50

Q3 2020

Shares 33,452 Value ($000) $1,084 Avg Close $26.66 Range $22.06 - $29.33

Q2 2020

Shares 33,464 Value ($000) $867 Avg Close $19.40 Range $15.19 - $24.47

Q1 2020

Shares 34,593 Value ($000) $711 Avg Close $22.10 Range $14.86 - $25.72

Q4 2019

Shares 34,230 Value ($000) $996 Avg Close $24.43 Range $22.45 - $26.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,852	$600	$85.98	$77.39 - $96.64
Q3 2025	6,872	$564	$64.97	$50.94 - $81.93
Q2 2025	6,842	$360	$46.30	$36.82 - $52.47
Q1 2025	6,825	$312	$48.55	$43.53 - $54.30
Q4 2024	6,758	$321	$46.35	$42.94 - $49.78
Q3 2024	6,858	$310	$40.86	$36.03 - $44.95
Q2 2024	6,765	$263	$33.68	$29.54 - $39.21
Q1 2024	6,845	$226	$30.45	$28.32 - $32.29
Q4 2023	6,790	$207	$27.12	$23.85 - $29.36
Q3 2023	7,240	$221	$30.70	$28.22 - $33.67
Q2 2023	9,787	$343	$30.60	$28.39 - $33.72
Q1 2023	9,787	$345	$32.11	$29.39 - $34.14
Q4 2022	12,334	$394	$29.73	$26.59 - $31.97
Q3 2022	12,267	$356	$30.75	$26.45 - $34.17
Q2 2022	11,902	$375	$31.05	$28.04 - $33.53
Q1 2022	11,565	$427	$34.93	$30.29 - $38.80
Q4 2021	32,899	$1,225	$33.34	$31.26 - $35.25
Q3 2021	33,216	$1,212	$35.29	$32.36 - $37.53
Q2 2021	32,739	$1,339	$38.31	$33.97 - $41.06
Q1 2021	32,406	$1,410	$33.60	$30.34 - $38.69
Q4 2020	32,867	$1,183	$30.87	$27.10 - $33.50
Q3 2020	33,452	$1,084	$26.66	$22.06 - $29.33
Q2 2020	33,464	$867	$19.40	$15.19 - $24.47
Q1 2020	34,593	$711	$22.10	$14.86 - $25.72
Q4 2019	34,230	$996	$24.43	$22.45 - $26.10