Comparable stake leader
Samsung Display Co., Ltd.
SEC ownership of CORNING INC /NY
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000024741.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
22 Jun 2026
- Public ticker
- GLW on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Samsung Display Co., Ltd.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Samsung Display Co., Ltd.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
22 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000024741
- Issuer location
- Corning, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of CORNING INC /NY (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Samsung Display Co., Ltd.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
22 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 7.9%
13D/G row: Samsung Display Co., Ltd.
Showing 1-8 of 50 holder rows.
Quick read
Samsung Display Co., Ltd. leads the comparable SEC ownership view at 7.9%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Samsung Display Co., Ltd.'s linked filing trail.
Comparable ownership
Top 5
Samsung Display Co., Ltd.
7.9%
VANGUARD CAPITAL MANAGEMENT LLC
6.8%
Jaymin Amin
0.01%
Avery H. Nelson III
0.01%
Edward A. Schlesinger
0.01%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Samsung Display Co., Ltd. |
13D/G
|
7.9%
|
$4,350,640,000
68,000,000 shares
|
-$191,940,000 | 20 Aug 2025 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
6.8%
|
$7,917,036,266
58,226,346 shares
|
$0 | 31 Mar 2026 |
| Jaymin Amin |
3/4/5
SVP and Chief Tech. Officer
|
0.01%
|
$18,491,696
97,002 shares
|
-$6,631,335 | 22 May 2026 |
| Avery H. Nelson III |
3/4/5
Executive Vice President & COO
|
0.01%
|
$14,249,863
73,907 shares
|
-$7,191,479 | 15 May 2026 |
| Edward A. Schlesinger |
3/4/5
Exec. Vice President and CFO
|
0.01%
|
$12,144,064
65,264 shares
|
-$9,188,072 | 07 May 2026 |
| Ronald L. Verkleeren |
3/4/5
SVP Emerging Innovations Group
|
0.01%
|
$10,002,709
48,143 shares
|
-$4,066,288 | 13 May 2026 |
| Michael Paul O'Day |
3/4/5
SVP and GM, Optical Comm.
|
0%
|
$5,319,418
39,122 shares
|
-$1,486,144 | 28 Apr 2026 |
| Lewis A. Steverson |
3/4/5
Vice Chairman, EVP and CLAO
|
0%
|
$5,519,407
28,152 shares
|
-$10,538,088 | 08 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$124,567,484.
Buys
$0
Insiders: 0
Sells
$124,567,484
Insiders: 15
Net
-$124,567,484
Shares: -986,580
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 986,580
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 282,282 | $0 | $54,052,106 | -$54,052,106 |
| 3-6 | 0 | 268,883 | $0 | $37,085,972 | -$37,085,972 |
| 6-9 | 0 | 193,682 | $0 | $17,579,910 | -$17,579,910 |
| 9-12 | 0 | 241,733 | $0 | $15,849,497 | -$15,849,497 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 43 reporting-owner rows connected to CORNING INC /NY. Open a relationship link for the CIK-to-CIK filing trail.
Rows
43
Largest Forms 3/4/5 holder
Wendell P. Weeks
Net 12M change
-$124,567,484
Latest report
30 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Wendell P. Weeks | Chairman, CEO and President, Director | $173,192,719 | -$45,363,842 | -21% | Mixed | 09 Jun 2026 |
| Robert F. Cummings Jr. | Director | $43,725,113 | Mixed | 30 Jun 2026 | ||
| Jaymin Amin | SVP and Chief Tech. Officer | $18,491,696 | -$6,631,335 | -26% | Mixed | 22 May 2026 |
| Avery H. Nelson III | Executive Vice President & COO | $14,249,863 | -$7,191,479 | -34% | Mixed | 15 May 2026 |
| Stephanie Burns | Director | $12,475,675 | Mixed | 30 Jun 2026 | ||
| Edward A. Schlesinger | Exec. Vice President and CFO | $12,144,064 | -$9,188,072 | -43% | Filing P/S | 07 May 2026 |
| Ronald L. Verkleeren | SVP Emerging Innovations Group | $10,002,709 | -$4,066,288 | -29% | Filing P/S | 13 May 2026 |
| Deborah Rieman | Director | $7,896,387 | Mixed | 12 Feb 2025 | ||
| Kevin J. Martin | Director | $7,856,182 | Mixed | 30 Jun 2026 | ||
| Lawrence D. McRae | Retired Vice Chairman | $7,430,968 | Mixed | 15 Apr 2024 | ||
| Hansel E. Tookes II | Retired Director | $6,880,260 | Mixed | 07 Feb 2025 | ||
| Mark S. Wrighton | Retired Director | $6,490,768 | Mixed | 04 Sep 2025 | ||
| Daniel P. Huttenlocher | Director | $6,053,400 | Mixed | 11 Feb 2026 | ||
| Lewis A. Steverson | Vice Chairman, EVP and CLAO | $5,519,407 | -$10,538,088 | -66% | Filing P/S | 08 May 2026 |
| Clark Richard T. | Retired Director | $5,388,631 | Mixed | 01 Nov 2024 | ||
| Michael Paul O'Day | SVP and GM, Optical Comm. | $5,319,418 | -$1,486,144 | -22% | Median | 28 Apr 2026 |
| Soumya Seetharam | Senior Vice President & CDIO | $5,273,359 | -$5,626,849 | -52% | Filing P/S | 11 May 2026 |
| Donald W. Blair | Retired Director | $5,121,194 | Mixed | 01 Nov 2024 | ||
| Leslie A. Brun | Director | $4,009,246 | Mixed | 11 Feb 2026 | ||
| Roger W. Ferguson Jr. | Director | $3,895,628 | Mixed | 30 Jun 2026 |
Recent insider transactions for CORNING INC /NY
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Kevin J. Martin | GLW | Restricted Stock Unit | Award | 0.68% | 137 | 20,234 | 30 Jun 2026 | Direct | ||
| Roger W. Ferguson Jr. | GLW | Restricted Stock Unit | Award | 0.97% | 161 | 16,722 | 30 Jun 2026 | Direct | ||
| Robert F. Cummings Jr. | GLW | Restricted Stock Unit | Award | 0.12% | 161 | 130,762 | 30 Jun 2026 | Direct | ||
| Stephanie Burns | GLW | Restricted Stock Unit | Award | 0.61% | 161 | 26,769 | 30 Jun 2026 | Direct | ||
| Michelle L. Gullo | GLW | Common Stock | Tax liability | -48.8% | -18,378 | 19,258 | 22 Jun 2026 | Direct | ||
| Wendell P. Weeks | GLW | Common Stock | Sale | -9.92% | $18,646,070 | $186.46 | -100,000 | 908,353 | 09 Jun 2026 | Direct |
| Wendell P. Weeks | GLW | Common Stock | Options Exercise | 11% | 100,000 | 1,008,353 | 09 Jun 2026 | Direct | ||
| Wendell P. Weeks | GLW | Stock Options (Right to Buy) | Options Exercise | -66.7% | -100,000 | 49,849 | 09 Jun 2026 | Direct | ||
| Jaymin Amin | GLW | Common Stock | Sale | -22.5% | $5,263,637 | $192.14 | -27,395 | 94,400 | 22 May 2026 | Direct |
| Jaymin Amin | GLW | Common Stock | Options Exercise | 6.95% | 7,917 | 121,795 | 22 May 2026 | Direct | ||
| Jaymin Amin | GLW | Stock Options (Right to Buy) | Options Exercise | -100% | -7,917 | 0 | 22 May 2026 | Direct | ||
| Avery H. Nelson III | GLW | Common Stock | Sale | -22.2% | $3,918,600 | $195.93 | -20,000 | 70,059 | 15 May 2026 | Direct |
| Li Fang | GLW | Common Stock | Options Exercise | 8,725 | 8,725 | 14 May 2026 | Direct | |||
| Li Fang | GLW | Stock Appreciation Rights (SAR) | Options Exercise | -100% | -8,725 | 0 | 14 May 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Common Stock | Sale | -17.2% | $2,077,708 | $207.77 | -10,000 | 48,143 | 13 May 2026 | Direct |
| Stefan Becker | GLW | Common Stock | Gift | -1.73% | -126 | 7,137 | 13 May 2026 | Direct | ||
| Michaune D. Tillman | GLW | Common Stock | Sale | -24.3% | $674,870 | $207.02 | -3,260 | 10,174 | 11 May 2026 | Direct |
| Soumya Seetharam | GLW | Common Stock | Sale | -43.9% | $4,124,646 | $206.23 | -20,000 | 25,570 | 11 May 2026 | Direct |
| John Z. Zhang | GLW | Common Stock | Sale | -66.1% | $1,983,383 | $198.34 | -10,000 | 5,138 | 11 May 2026 | Direct |
| Lewis A. Steverson | GLW | Common Stock | Sale | -49.6% | $5,440,593 | $196.06 | -27,750 | 28,152 | 08 May 2026 | Direct |
| Michelle L. Gullo | GLW | Common Stock | Sale | -12.4% | $1,004,689 | $189.03 | -5,315 | 37,636 | 08 May 2026 | Direct |
| Stefan Becker | GLW | Common Stock | Sale | -74.3% | $3,949,680 | $188.08 | -21,000 | 7,263 | 08 May 2026 | Direct |
| Edward A. Schlesinger | GLW | Common Stock | Sale | -25.7% | $4,198,247 | $186.08 | -22,562 | 65,264 | 07 May 2026 | Direct |
| John Z. Zhang | GLW | Common Stock | Sale | -49.8% | $2,769,984 | $184.67 | -15,000 | 15,138 | 06 May 2026 | Direct |
| Michaune D. Tillman | GLW | Common Stock | Tax liability | -18% | -2,946 | 13,434 | 04 May 2026 | Direct | ||
| Stefan Becker | GLW | Common Stock | Tax liability | -9% | -2,795 | 28,263 | 29 Apr 2026 | Direct | ||
| Stefan Becker | GLW | Common Stock | Options Exercise | 9.89% | 2,795 | 31,058 | 29 Apr 2026 | Direct | ||
| Stefan Becker | GLW | Performance Share Unit | Options Exercise | -14.4% | -1,502 | 8,930 | 29 Apr 2026 | Direct | ||
| Stefan Becker | GLW | Restricted Stock Unit | Options Exercise | -9.12% | -1,293 | 12,886 | 29 Apr 2026 | Direct | ||
| Michael Paul O'Day | GLW | Common Stock | Tax liability | -8.2% | -3,496 | 39,122 | 28 Apr 2026 | Direct | ||
| Wendell P. Weeks | GLW | Common Stock | Tax liability | -15.4% | -165,622 | 908,353 | 15 Apr 2026 | Direct | ||
| Wendell P. Weeks | GLW | Common Stock | Options Exercise | 46.3% | 340,084 | 1,073,975 | 15 Apr 2026 | Direct | ||
| Wendell P. Weeks | GLW | Restricted Stock Unit | Options Exercise | -100% | -104,474 | 0 | 15 Apr 2026 | Direct | ||
| Wendell P. Weeks | GLW | Performance Share Unit | Options Exercise | -100% | -235,610 | 0 | 15 Apr 2026 | Direct | ||
| John Z. Zhang | GLW | Common Stock | Tax liability | -51% | -31,433 | 30,138 | 15 Apr 2026 | Direct | ||
| John Z. Zhang | GLW | Common Stock | Options Exercise | 61,571 | 61,571 | 15 Apr 2026 | Direct | |||
| John Z. Zhang | GLW | Restricted Stock Unit | Options Exercise | -100% | -18,884 | 0 | 15 Apr 2026 | Direct | ||
| John Z. Zhang | GLW | Performance Share Unit | Options Exercise | -100% | -42,687 | 0 | 15 Apr 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Common Stock | Tax liability | -28.2% | -22,843 | 58,143 | 15 Apr 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Common Stock | Options Exercise | 137.6% | 46,903 | 80,986 | 15 Apr 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Restricted Stock Unit | Options Exercise | -100% | -14,332 | 0 | 15 Apr 2026 | Direct | ||
| Ronald L. Verkleeren | GLW | Performance Share Unit | Options Exercise | -100% | -32,571 | 0 | 15 Apr 2026 | Direct | ||
| Lewis A. Steverson | GLW | Common Stock | Tax liability | -47.1% | -49,786 | 55,902 | 15 Apr 2026 | Direct | ||
| Lewis A. Steverson | GLW | Common Stock | Options Exercise | 2953.7% | 102,227 | 105,688 | 15 Apr 2026 | Direct | ||
| Lewis A. Steverson | GLW | Restricted Stock Unit | Options Exercise | -100% | -31,109 | 0 | 15 Apr 2026 | Direct | ||
| Lewis A. Steverson | GLW | Performance Share Unit | Options Exercise | -100% | -71,118 | 0 | 15 Apr 2026 | Direct | ||
| Soumya Seetharam | GLW | Common Stock | Tax liability | -27.9% | -17,622 | 45,570 | 15 Apr 2026 | Direct | ||
| Soumya Seetharam | GLW | Common Stock | Options Exercise | 243.2% | 44,780 | 63,192 | 15 Apr 2026 | Direct | ||
| Soumya Seetharam | GLW | Restricted Stock Unit | Options Exercise | -100% | -13,734 | 0 | 15 Apr 2026 | Direct | ||
| Soumya Seetharam | GLW | Performance Share Unit | Options Exercise | -100% | -31,046 | 0 | 15 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.