CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

Optiver Holding B.V.'s Holding History (CIK: 0001859606)

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

Q4 2025

Shares 96 Value ($000) $8 Avg Close $85.98 Range $77.39 - $96.64

Q3 2025

Shares 1,459 Value ($000) $120 Avg Close $64.97 Range $50.94 - $81.93

Q4 2024

Shares 2,691 Value ($000) $128 Avg Close $46.35 Range $42.94 - $49.78

Q2 2024

Shares 1,911 Value ($000) $74 Avg Close $33.68 Range $29.54 - $39.21

Q4 2021

Shares 244 Value ($000) $9 Avg Close $33.34 Range $31.26 - $35.25

Q3 2021

Shares 244 Value ($000) $9 Avg Close $35.29 Range $32.36 - $37.53

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	96	$8	$85.98	$77.39 - $96.64
Q3 2025	1,459	$120	$64.97	$50.94 - $81.93
Q4 2024	2,691	$128	$46.35	$42.94 - $49.78
Q2 2024	1,911	$74	$33.68	$29.54 - $39.21
Q4 2021	244	$9	$33.34	$31.26 - $35.25
Q3 2021	244	$9	$35.29	$32.36 - $37.53