Owens-Corning Ownership & Insider Activity

Owens-Corning (OC) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 4.8% of shares outstanding. Institutional investors hold 76.5%.

Shares Outstanding

79.049M

Shares Float

68.835M

Insider Shares Owned

3.866M

Insider % Owned

4.8%

Institutional Shares Held

60.496M

Institutional % Held

76.5%

Ownership Breakdown

Net Insider Activity by Month

Owens-Corning Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
May 28, 2026	Barthelemy Rachel Marcon	PRESIDENT, DOORS	SELL	700.000	$120.71	$84K
May 8, 2026	Mari Doerfler	VICE PRESIDENT AND CONTROLLER	SELL	1.926K	$120.92	$233K

Date	Member	Party	Chamber	Action	Amount
Oct 7, 2025	Tommy Tuberville	R	Senate	S	$15,001 - $50,000
Oct 29, 2024	Tommy Tuberville	R	Senate	S (Partial)	$15,001 - $50,000