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).
| 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.
| 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 |