Stefan Becker

CIK: 0001825967

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)5 (15.2%)

Position reduction

Option Exercises (M)13 (39.4%)

Derivative conversions

Awards (A)8 (24.2%)

Compensation grants

Other (G, F, J, C, D, …)7 (21.2%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

GLW

CORNING INC /NY

Officer

Discretionary Trading P&L

Holdings

Transaction History (33 total)

GLW
CORNING INC /NY
May 13, 2026
Gift(G)
Direct
126 shares-
GLW
CORNING INC /NY
May 8, 2026
Sale(S)
Direct
21K shares at avg. $188.08$3.9M
GLW
CORNING INC /NY
Apr 29, 2026
Exercise(M)
Direct
1.1K shares-
GLW
CORNING INC /NY
Apr 29, 2026
Tax Payment(F)
Direct
2.8K shares at avg. $151.90$425K
GLW
CORNING INC /NY
Apr 29, 2026
Exercise(M)
Direct
429 shares-
GLW
CORNING INC /NY
Apr 29, 2026
Exercise(M)
Direct
674 shares-
GLW
CORNING INC /NY
Apr 29, 2026
Exercise(M)
Direct
619 shares-
GLW
CORNING INC /NY
Apr 15, 2026
Exercise(M)
Direct
31K shares-
GLW
CORNING INC /NY
Apr 15, 2026
Exercise(M)
Direct
13.7K shares-
GLW
CORNING INC /NY
Apr 15, 2026
Tax Payment(F)
Direct
22.9K shares at avg. $168.27$3.8M
GLW
CORNING INC /NY
Apr 1, 2026
Award(A)
Restricted Stock Unit
Direct
4.8K shares-
GLW
CORNING INC /NY
Feb 9, 2026
Tax Payment(F)
Direct
815 shares at avg. $131.39$107K
GLW
CORNING INC /NY
Feb 9, 2026
Exercise(M)
Direct
2.1K shares-
GLW
CORNING INC /NY
Feb 4, 2026
Award(A)
Performance Share Unit
Direct
15.2K shares-
GLW
CORNING INC /NY
Feb 4, 2026
Award(A)
Performance Share Unit
Direct
9.4K shares-
GLW
CORNING INC /NY
Feb 4, 2026
Award(A)
Performance Share Unit
Direct
10.2K shares-
GLW
CORNING INC /NY
Oct 29, 2025
Sale(S)
Direct
12.1K shares at avg. $91.28$1.1M
GLW
CORNING INC /NY
Aug 8, 2025
Tax Payment(F)
Direct
1.1K shares at avg. $65.77$71K
GLW
CORNING INC /NY
Aug 8, 2025
Exercise(M)
Direct
2.1K shares-
GLW
CORNING INC /NY
May 29, 2025
Sale(S)
Direct
17.1K shares at avg. $49.68$850K
GLW
CORNING INC /NY
Apr 15, 2025
Tax Payment(F)
Direct
16.8K shares at avg. $41.78$702K
GLW
CORNING INC /NY
Apr 15, 2025
Exercise(M)
Direct
19.7K shares-
GLW
CORNING INC /NY
Apr 15, 2025
Exercise(M)
Direct
13.2K shares-
GLW
CORNING INC /NY
Apr 1, 2025
Award(A)
Restricted Stock Unit
Direct
13.5K shares-
GLW
CORNING INC /NY
Feb 10, 2025
Exercise(M)
Direct
2.1K shares-

		Type	Shares	Price		Ownership
May 13, 2026	GLW CORNING INC /NY	Gift(G)	126	-	$0	Direct
May 8, 2026	GLW CORNING INC /NY	Sale(S)	21,000	$188.08	$3,949,680	Direct
Apr 29, 2026	GLW CORNING INC /NY	Exercise(M)	1,073	-	$0	Direct
Apr 29, 2026	GLW CORNING INC /NY	Tax Payment(F)	2,795	$151.90	$424,561	Direct
Apr 29, 2026	GLW CORNING INC /NY	Exercise(M)	429	-	$0	Direct
Apr 29, 2026	GLW CORNING INC /NY	Exercise(M)	674	-	$0	Direct
Apr 29, 2026	GLW CORNING INC /NY	Exercise(M)	619	-	$0	Direct
Apr 15, 2026	GLW CORNING INC /NY	Exercise(M)	31,046	-	$0	Direct
Apr 15, 2026	GLW CORNING INC /NY	Exercise(M)	13,734	-	$0	Direct
Apr 15, 2026	GLW CORNING INC /NY	Tax Payment(F)	22,861	$168.27	$3,846,820	Direct
Apr 1, 2026	GLW CORNING INC /NY	Award(A) Restricted Stock Unit	4,846	-	-	Direct
Feb 9, 2026	GLW CORNING INC /NY	Tax Payment(F)	815	$131.39	$107,083	Direct
Feb 9, 2026	GLW CORNING INC /NY	Exercise(M)	2,110	-	$0	Direct
Feb 4, 2026	GLW CORNING INC /NY	Award(A) Performance Share Unit	15,225	-	-	Direct
Feb 4, 2026	GLW CORNING INC /NY	Award(A) Performance Share Unit	9,359	-	-	Direct
Feb 4, 2026	GLW CORNING INC /NY	Award(A) Performance Share Unit	10,182	-	-	Direct
Oct 29, 2025	GLW CORNING INC /NY	Sale(S)	12,100	$91.28	$1,104,535	Direct
Aug 8, 2025	GLW CORNING INC /NY	Tax Payment(F)	1,078	$65.77	$70,900	Direct
Aug 8, 2025	GLW CORNING INC /NY	Exercise(M)	2,110	-	-	Direct
May 29, 2025	GLW CORNING INC /NY	Sale(S)	17,106	$49.68	$849,838	Direct
Apr 15, 2025	GLW CORNING INC /NY	Tax Payment(F)	16,794	$41.78	$701,653	Direct
Apr 15, 2025	GLW CORNING INC /NY	Exercise(M)	19,694	-	-	Direct
Apr 15, 2025	GLW CORNING INC /NY	Exercise(M)	13,201	-	-	Direct
Apr 1, 2025	GLW CORNING INC /NY	Award(A) Restricted Stock Unit	13,505	-	-	Direct
Feb 10, 2025	GLW CORNING INC /NY	Exercise(M)	2,109	-	-	Direct

1-25 of 33 transactions

About Becker Stefan

Becker Stefan (SEC CIK 0001825967) files insider reports with the SEC as SVP, Finance & Corp Controller of CORNING INC /NY (GLW).

Signal8 holds 16 ownership filings by Becker Stefan, all Form 4s, filed between Nov 1, 2024 and May 14, 2026. Those filings report 33 transactions, from Aug 14, 2024 to May 13, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Becker Stefan's filings is in CORNING, NY.

Recent filings by Becker Stefan

May 13, 2026: Gift of GLW shares (Form 4, code G).
May 8, 2026: Open-market sale of GLW shares (Form 4, code S).
Apr 29, 2026: Option exercise of GLW shares (Form 4, code M).
Apr 29, 2026: Tax withholding of GLW shares (Form 4, code F).
Apr 29, 2026: Option exercises of GLW shares (3 lines, Form 4, code M).

Other insiders filing for CORNING INC /NY (GLW)

Martin Kevin J, Director
Ferguson Roger W. Jr., Director
CUMMINGS ROBERT F JR, Director
BURNS STEPHANIE, Director
Gullo Michelle L, Senior Vice President & CHRO
WEEKS WENDELL P, Chairman, CEO and President

How to read Form 4 transaction codes