CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

CHECK CAPITAL MANAGEMENT INC/CA's Holding History (CIK: 0001032814)

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

Q4 2025
Shares 5,050 Value ($000) $442 Avg Close $85.98 Range $77.39 - $96.64
Q3 2025
Shares 5,050 Value ($000) $414 Avg Close $64.97 Range $50.94 - $81.93
Q2 2025
Shares 5,050 Value ($000) $266 Avg Close $46.30 Range $36.82 - $52.47
Q1 2025
Shares 5,050 Value ($000) $231 Avg Close $48.55 Range $43.53 - $54.30
Q4 2024
Shares 5,050 Value ($000) $240 Avg Close $46.35 Range $42.94 - $49.78
Q3 2024
Shares 5,050 Value ($000) $228 Avg Close $40.86 Range $36.03 - $44.95
Q2 2021
Shares 5,100 Value ($000) $209 Avg Close $38.31 Range $33.97 - $41.06
Q1 2021
Shares 5,100 Value ($000) $222 Avg Close $33.60 Range $30.34 - $38.69
Q2 2019
Shares 7,650 Value ($000) $254 Avg Close $26.62 Range $23.82 - $29.24
Q1 2019
Shares 7,650 Value ($000) $253 Avg Close $27.05 Range $23.03 - $29.16
Q4 2018
Shares 7,650 Value ($000) $231 Avg Close $26.17 Range $22.76 - $29.38
Q3 2018
Shares 7,950 Value ($000) $281 Avg Close $26.48 Range $22.14 - $29.90
Q2 2018
Shares 8,199 Value ($000) $226 Avg Close $22.38 Range $21.10 - $23.67
Q1 2018
Shares 8,299 Value ($000) $231 Avg Close $24.81 Range $21.97 - $28.19
Q4 2017
Shares 8,749 Value ($000) $280 Avg Close $25.23 Range $23.59 - $26.36
Q3 2017
Shares 8,749 Value ($000) $262 Avg Close $23.59 Range $22.03 - $25.57
Q2 2017
Shares 9,023 Value ($000) $271 Avg Close $22.77 Range $20.81 - $24.32
Q1 2017
Shares 9,125 Value ($000) $246 Avg Close $20.97 Range $18.97 - $22.43
Q4 2016
Shares 11,348 Value ($000) $275 Avg Close $18.64 Range $17.38 - $19.93
Q3 2016
Shares 16,089 Value ($000) $381 Avg Close $17.37 Range $15.37 - $18.61
Q2 2016
Shares 16,589 Value ($000) $340 Avg Close $15.51 Range $14.06 - $16.55
Q1 2016
Shares 16,589 Value ($000) $347 Avg Close $14.25 Range $12.36 - $16.26
Q4 2015
Shares 17,718 Value ($000) $324 Avg Close $13.86 Range $12.46 - $14.78
Q3 2015
Shares 17,718 Value ($000) $303 Avg Close $13.63 Range $11.66 - $15.13
Q2 2015
Shares 20,634 Value ($000) $407 Avg Close $16.12 Range $14.79 - $17.27
Q1 2015
Shares 21,590 Value ($000) $490 Avg Close $17.82 Range $16.37 - $18.82
Q4 2014
Shares 21,590 Value ($000) $495 Avg Close $15.20 Range $12.68 - $17.59
Q3 2014
Shares 26,540 Value ($000) $513 Avg Close $15.47 Range $14.31 - $16.57
Q2 2014
Shares 30,444 Value ($000) $668 Avg Close $15.67 Range $14.87 - $16.45
Q1 2014
Shares 30,444 Value ($000) $634 Avg Close $13.82 Range $12.14 - $15.48
Q4 2013
Shares 32,483 Value ($000) $579 Avg Close $12.05 Range $10.08 - $13.18
Q3 2013
Shares 32,674 Value ($000) $477 Avg Close $10.75 Range $10.09 - $11.23
Q2 2013
Shares 33,190 Value ($000) $472 Avg Close $10.49 Range $9.09 - $11.82
Q1 2013
Shares 32,290 Value ($000) $430 Avg Close $8.99 Range $8.39 - $9.60
Q4 2012
Shares 27,727 Value ($000) $350 Avg Close — Range —
Q3 2012
Shares 24,955 Value ($000) $328 Avg Close — Range —