Owens Corning (OC) Insider Ownership

Historic Insider Ownership Trends

Based on data from the past 90 days ending February 19, 2026, Owens Corning's three largest insider shareholders are Chair And President And Ceo Brian Chambers (364.79K shares), Director J Brian Ferguson (72.08K shares), President And Composites Marcio A Sandri (57.47K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares Report Date
Brian Chambers Chair And President And Ceo 364,785 06 Feb, 2026
J Brian Ferguson 72,082 06 Apr, 2021
Marcio A Sandri President And Composites 57,470 07 Feb, 2025
Ralph F Hake 56,861 06 Apr, 2021
John David Williams 53,041 23 Jan, 2026
Edward F Lonergan 52,255 23 Jan, 2026
Daniel T Smith Evp And Chief Growth Officer 46,895 08 Aug, 2023
W Howard Morris 41,915 14 Apr, 2025
Todd W Fister Evp & Chief Financial Officer 39,397 06 Feb, 2026
Kenneth Scott Parks Evp & Chief Financial Officer 37,295 06 Feb, 2023
Suzanne P Nimocks 35,540 23 Jan, 2026
Gina A. Beredo Evp And Gc And Secretary 31,960 06 Feb, 2026
Gunner Smith President And Roofing 30,053 25 Feb, 2025
Maryann T. Mannen 26,835 23 Jan, 2026
Paula Russell Evp And Chief Hr Officer 25,988 14 Apr, 2025
Christopher O Ball President And Doors 25,255 28 Feb, 2025
Jose Mendez-Andino Evp And Chief Innovation Officer 19,059 06 Feb, 2026
Monaco Nicolas Del President And Roofing 18,995 06 Feb, 2026
Adrienne Elsner 17,801 23 Jan, 2026
De La Nuez Jose Manuel Canovas President And Insulation 15,662 06 Feb, 2026
Rachel Barthelemy Marcon President And Doors 15,619 06 Feb, 2026
Kelly Schmidt Vice President And Controller 15,472 08 Feb, 2023
Eduardo E Cordeiro 15,027 23 Jan, 2026
Alfred E Festa 12,015 23 Jan, 2026
Ann Lizabeth Baymiller Chief Information Officer 8,104 06 Feb, 2026
Paul Edward Martin 7,185 23 Jan, 2026
Mari Doerfler Vice President And Controller 6,186 06 Feb, 2026
Michelle T Collins 1,594 10 Nov, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
05 Feb, 2026 Brian Chambers $.01 Par Value Common D 2,988 $132.23 364,785 D F
05 Feb, 2026 Todd W Fister $.01 Par Value Common D 1,350 $132.23 39,397 D F
05 Feb, 2026 Gina A. Beredo $.01 Par Value Common D 664 $132.23 31,960 D F
05 Feb, 2026 Mari Doerfler $.01 Par Value Common D 147 $132.23 6,186 D F
05 Feb, 2026 Monaco Nicolas Del $.01 Par Value Common D 439 $132.23 18,995 D F
05 Feb, 2026 Rachel Barthelemy Marcon $.01 Par Value Common D 113 $132.23 15,619 D F
05 Feb, 2026 De La Nuez Jose Manuel Canovas $.01 Par Value Common D 156 $132.23 15,662 D F
05 Feb, 2026 Ann Lizabeth Baymiller $.01 Par Value Common D 415 $132.23 8,104 D F
04 Feb, 2026 Brian Chambers $.01 Par Value Common A 27,855 $132.83 367,773 D A
04 Feb, 2026 Todd W Fister $.01 Par Value Common A 7,528 $132.83 40,747 D A
04 Feb, 2026 Gina A. Beredo $.01 Par Value Common A 6,022 $132.83 32,624 D A
04 Feb, 2026 Jose Mendez-Andino $.01 Par Value Common A 3,914 $132.83 19,059 D A
04 Feb, 2026 Mari Doerfler $.01 Par Value Common A 1,473 $132.83 6,333 D A
04 Feb, 2026 Monaco Nicolas Del $.01 Par Value Common A 4,517 $132.83 19,434 D A
04 Feb, 2026 Rachel Barthelemy Marcon $.01 Par Value Common A 3,914 $132.83 15,732 D A
04 Feb, 2026 De La Nuez Jose Manuel Canovas $.01 Par Value Common A 3,914 $132.83 15,818 D A
04 Feb, 2026 Ann Lizabeth Baymiller $.01 Par Value Common A 2,258 $132.83 8,519 D A
02 Feb, 2026 Brian Chambers $.01 Par Value Common D 7,502 $122.17 339,918 D F
02 Feb, 2026 Todd W Fister $.01 Par Value Common D 1,797 $122.17 33,219 D F
02 Feb, 2026 Gina A. Beredo $.01 Par Value Common D 1,390 $122.17 26,602 D F