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Insider trade

Corning Inc. (GLW)Officer sold ~$79K

John Z Zhang, Officer at Corning Inc., sold ~$79K of Corning Inc. shares.

~$79K
Approx. value · 1,212 sh @ $65.53
Traded
Aug 12, 2025
Filed
Aug 12, 2025

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. Jul 30, 2025Insider · 4 peopleInsiders: 4 sales (~$5.1M)
  2. Aug 7, 2025Insider · 2 peopleInsiders: 2 sales (~$6.7M)
  3. Aug 11, 2025InsiderOfficer sold ~$1.23M of GLW shares in the open market
  4. Aug 12, 2025 · this disclosureInsiderOfficer sold ~$79K of GLW shares in the open market

What came next

  1. Sep 4, 2025InsiderOfficer sold ~$1.4M of GLW shares in the open market
  2. Sep 10, 20255% stakeSamsung Display Co., Ltd. reported a passive stake (13G) of 7.9%
  3. Sep 17, 2025InsiderOfficer sold ~$1.37M of GLW shares in the open market
  4. Oct 7, 2025Company filing · Form 8-K · Executive changeChanged a top executive or board member“On October 7, 2025, the Board of Directors (the “Board”) of Corning Incorporated (the “Company”) elected Ms. Ami Badani as a director of the Company, effective immediately, and appointed her to the Information Technology Committee and the Finance Committee.”
  5. Oct 28, 2025Company filing · Form 8-K · ResultsReported its results
  6. Oct 29, 2025Insider · 2 peopleInsiders: 2 sales (~$10.1M)
  7. Oct 31, 2025Insider · 2 peopleInsiders: 2 sales (~$4.0M)
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

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.

Other recent filings by John Z Zhang, Exec. Vice President & CCDO

The full history of John Z Zhang, Exec. Vice President & CCDO is on the profile page.

How this filing works

Other disclosures at Corning Inc.

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

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data