Form 4/A for GLW Corning Inc.
Accepted 2026-01-22 00:00:00 ET · period of report 2026-01-15 · accession 0000024741-26-000029 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMA | 2026-01-22 | 2026-01-15 | GLW | Kammerud Jordana Daryl | SVP | M - OptEx | $0.00 | +1,990 | 34.8K | +6% | $0 |
| DA | 2026-01-22 | 2026-01-15 | GLW | Kammerud Jordana Daryl | SVP | F - Tax | $93.49 | -1,990 | 32.8K | -6% | -$186.0K |
| DMA | 2026-01-22 | 2026-01-15 | GLW | Kammerud Jordana Daryl | SVP | M - OptEx | $0.00 | -1,990 | 9,923 | -17% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-01-15 | M | A | 474 | $0.00 | 34,315 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-15 | M | A | 258 | $0.00 | 33,841 | D | — | — | |
| 3 | Common | Common Stock | 2026-01-15 | M | A | 484 | $0.00 | 33,583 | D | — | — | |
| 4 | Common | Common Stock | 2026-01-15 | M | A | 327 | $0.00 | 33,099 | D | — | — | |
| 5 | Common | Common Stock | 2026-01-15 | M | A | 447 | $0.00 | 34,762 | D | — | — | |
| 6 | Common | Common Stock | 2026-01-15 | F | D | 1,990 | $93.49 | 32,772 | D | — | — | (F1) Shares withheld to satisfy the reporting person's tax withholding obligations. |
| 7 | Derivative | Performance Share Unit | 2026-01-15 | M | D | 447 | $0.00 | 13,603 | D | — · — to — | 447 Common Stock | (F8) Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. (F10) Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement. |
| 8 | Derivative | Performance Share Unit | 2026-01-15 | M | D | 474 | $0.00 | 6,435 | D | — · — to — | 474 Common Stock | (F8) Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. (F9) Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement. |
| 9 | Derivative | Restricted Stock Unit | 2026-01-15 | M | D | 327 | $0.00 | 5,670 | D | — · — to — | 327 Common Stock | (F2) Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock. (F3) The restricted stock units (RSUs) vest 100% on April 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. |
| 10 | Derivative | Restricted Stock Unit | 2026-01-15 | M | D | 258 | $0.00 | 3,804 | D | — · — to — | 258 Common Stock | (F7) This balance reflects the forfeiture of 8,125 restricted stock units on January 15, 2026. (F2) Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock. (F6) The restricted stock units (RSUs) vest 100% on April 14, 2028. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. |
| 11 | Derivative | Restricted Stock Unit | 2026-01-15 | M | D | 484 | $0.00 | 9,923 | D | — · — to — | 484 Common Stock | (F5) This balance reflects the forfeiture of 5,204 restricted stock units on January 15, 2026. (F2) Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock. (F4) The restricted stock units (RSUs) vest 100% on April 15, 2027. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. |