Corning Ownership & Insider Activity

Corning (GLW) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.7% of shares outstanding. Institutional investors hold 53.0%. Over the past 90 days, insiders made 2 sales worth $3.5M.

Shares Outstanding

861.388M

Shares Float

761.655M

Insider Shares Owned

5.618M

Insider % Owned

0.7%

Institutional Shares Held

456.193M

Institutional % Held

53.0%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$3.5M total

Net Activity

Net Selling

Net Value (90d)

-$3.5M

Corning Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 4, 2026	Michelle Gullo	SENIOR VICE PRESIDENT & CHRO	SELL	9.874K	$152.29	$1.5M
Aug 28, 2026	LEWIS STEVERSON	VICE CHAIRMAN, EVP AND CLAO	SELL	13.100K	$151.29	$2.0M
Jun 9, 2026	WENDELL WEEKS	CHAIRMAN, CEO AND PRESIDENT	SELL-OPTIONS	—	$106.75	$15.9M
May 22, 2026	Jaymin Amin	SVP AND CHIEF TECH. OFFICER	SELL	19.478K	$109.57	$5.0M
May 15, 2026	Avery Nelson III	EXECUTIVE VICE PRESIDENT & COO	SELL	20.000K	$195.93	$3.9M
May 13, 2026	Ronald Verkleeren	SVP EMERGING INNOVATIONS GROUP	SELL	10.000K	$207.77	$2.1M
May 11, 2026	MICHAUNE TILLMAN	SVP AND GENERAL COUNSEL	SELL	3.260K	$207.02	$675K
May 11, 2026	Soumya Seetharam	SENIOR VICE PRESIDENT & CDIO	SELL	20.000K	$206.23	$4.1M
May 11, 2026	John Zhang	EXEC. VICE PRESIDENT & CCDO	SELL	10.000K	$198.34	$2.0M
May 8, 2026	LEWIS STEVERSON	VICE CHAIRMAN, EVP AND CLAO	SELL	27.750K	$196.06	$5.4M
May 8, 2026	Michelle Gullo	SENIOR VICE PRESIDENT & CHRO	SELL	5.315K	$189.03	$1.0M
May 8, 2026	Stefan Becker	SVP, FINANCE & CORP CONTROLLER	SELL	21.000K	$188.08	$3.9M

Date	Member	Party	Chamber	Action	Amount
Sep 24, 2026	Maria Elvira Salazar	R	House	Sale (Partial)	$1,001 - $15,000
Sep 8, 2026	Maria Elvira Salazar	R	House	Purchase	$1,001 - $15,000
Sep 8, 2026	Maria Elvira Salazar	R	House	Purchase	$1,001 - $15,000
Sep 4, 2026	Maria Elvira Salazar	R	House	Sale (Partial)	$1,001 - $15,000
Sep 4, 2026	Maria Elvira Salazar	R	House	Sale (Partial)	$1,001 - $15,000
Mar 27, 2026	Alan Armstrong	R	Senate	Sale	$100,001 - $250,000
Mar 25, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Mar 19, 2026	Maria Elvira Salazar	R	House	Purchase	$15,001 - $50,000
Mar 19, 2026	Maria Elvira Salazar	R	House	Purchase	$15,001 - $50,000
May 28, 2025	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
May 22, 2025	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
May 14, 2025	Marjorie Taylor Greene	R	House	Purchase	$1,001 - $15,000
May 5, 2025	Marjorie Taylor Greene	R	House	Purchase	$1,001 - $15,000
Apr 17, 2025	Josh Gottheimer	D	House	Sale	$15,001 - $50,000
Apr 9, 2025	Josh Gottheimer	D	House	Sale	$1,001 - $15,000
Apr 8, 2025	Robert Bresnahan	R	House	Purchase	$1,001 - $15,000
Jan 30, 2025	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
Jan 27, 2025	Josh Gottheimer	D	House	Purchase	$1,001 - $15,000
Nov 1, 2024	Marjorie Taylor Greene	R	House	Purchase	$1,001 - $15,000
Oct 24, 2024	Thomas Suozzi	D	House	Sale	$1,001 - $15,000