CORNING INC

Ticker: GLW CUSIP: 219350105 Class: COM

SECURITY NATIONAL BANK OF SO DAK's Holding History (CIK: 0001105909)

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

Q4 2025
Shares 5,683 Value ($000) $498 Avg Close $85.98 Range $77.39 - $96.64
Q3 2025
Shares 5,683 Value ($000) $466 Avg Close $64.97 Range $50.94 - $81.93
Q2 2025
Shares 5,514 Value ($000) $290 Avg Close $46.30 Range $36.82 - $52.47
Q1 2025
Shares 5,516 Value ($000) $253 Avg Close $48.55 Range $43.53 - $54.30
Q4 2024
Shares 5,055 Value ($000) $240 Avg Close $46.35 Range $42.94 - $49.78