CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

BERKSHIRE ASSET MANAGEMENT LLC/PA's Holding History (CIK: 0000949012)

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

Q3 2025

Shares 2,792 Value ($000) $229 Avg Close $64.97 Range $50.94 - $81.93

Q3 2021

Shares 6,501 Value ($000) $237 Avg Close $35.29 Range $32.36 - $37.53

Q2 2021

Shares 6,550 Value ($000) $268 Avg Close $38.31 Range $33.97 - $41.06

Q1 2021

Shares 6,550 Value ($000) $285 Avg Close $33.60 Range $30.34 - $38.69

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	2,792	$229	$64.97	$50.94 - $81.93
Q3 2021	6,501	$237	$35.29	$32.36 - $37.53
Q2 2021	6,550	$268	$38.31	$33.97 - $41.06
Q1 2021	6,550	$285	$33.60	$30.34 - $38.69