Corning Inc. (GLW)Flputnam Investment Management Co reduced its stake -3,829 shares

139K

Shares reported · -3,829 vs prior quarter

0.42%

Disclosed portfolio weight

$35.4M

Reported value

Holdings as of

Jun 30, 2026

Filed

Aug 6, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Mar 27, 2026CongressDisclosed sale of GLW — reported range $100,001 - $250,000
2. Jun 9, 2026InsiderCEO sold ~$18.6M of GLW shares in the open market
3. Jul 28, 2026Company filing · Form 8-K · ResultsReported its results

What came next

1. Aug 28, 2026InsiderChair sold ~$1.98M of GLW shares in the open market
2. Sep 4, 2026InsiderOfficer sold ~$1.5M of GLW shares in the open market
3. Sep 4, 2026Congress · 1 personMembers of Congress: 2 sales
4. Sep 8, 2026Congress · 1 personMembers of Congress: 2 purchases
5. Sep 24, 2026CongressDisclosed partial sale of GLW — reported range $1,001 - $15,000

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Corning Inc.

For Corning Inc., OQRO holds 3 insider filings (SEC Form 4 or Form 144), 6 Congress trade reports and 65 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its GLW page.

How this filing works

• SEC Form 13F

Other disclosures at Corning Inc.

• House Clerk periodic transaction reportOct 7, 2026
• House Clerk periodic transaction reportOct 7, 2026
• House Clerk periodic transaction reportOct 7, 2026
• House Clerk periodic transaction reportOct 7, 2026
• House Clerk periodic transaction reportOct 7, 2026
• SEC Form 4Sep 9, 2026

Everything OQRO holds on this company is on its GLW page.