| SC 13G/A | 2021-03-10 | FIL Ltd | Norbord Inc. | 0 | 0.0% | EDGAR |
| SC 13G/A | 2021-02-08 | FIL Ltd | Norbord Inc. | 5,417,155 | 6.7% | EDGAR |
| SC 13G/A | 2021-01-25 | LETKO, BROSSEAU & ASSOCIATES INC | Norbord Inc. | 3,849,712 | 4.8% | EDGAR |
| SC 13G/A | 2020-02-10 | FIL Ltd | Norbord Inc. | 9,216,857 | 11.3% | EDGAR |
| SC 13G/A | 2020-02-07 | FIL Ltd | Norbord Inc. | 7,873,906 | 9.6% | EDGAR |
| SC 13G/A | 2020-01-28 | LETKO, BROSSEAU & ASSOCIATES INC | Norbord Inc. | 5,135,534 | 6.3% | EDGAR |
| SC 13G/A | 2019-06-10 | FIL Ltd | Norbord Inc. | 9,329,200 | 11.4% | EDGAR |
| SC 13G/A | 2019-02-13 | FMR LLC | Norbord Inc. | 214,813 | 0.2% | EDGAR |
| SC 13G | 2019-02-13 | FIL Ltd | Norbord Inc. | 7,589,655 | 8.7% | EDGAR |
| SC 13G/A | 2019-02-04 | LETKO, BROSSEAU & ASSOCIATES INC | Norbord Inc. | 5,177,944 | 6.2% | EDGAR |
| SC 13G/A | 2018-02-13 | FMR LLC | Norbord Inc. | 7,833,070 | 9.1% | EDGAR |
| SC 13G/A | 2018-02-02 | BROOKFIELD ASSET MANAGEMENT INC. | Norbord Inc. | 34,787,535 | 40.3% | EDGAR |
| SC 13G/A | 2018-02-02 | LETKO, BROSSEAU & ASSOCIATES INC | Norbord Inc. | 4,704,631 | 5.4% | EDGAR |
| SC 13G | 2017-02-14 | FMR LLC | Norbord Inc. | 5,733,883 | 6.7% | EDGAR |
| SC 13G | 2017-02-10 | BROOKFIELD ASSET MANAGEMENT INC. | Norbord Inc. | 45,407,240 | 52.9% | EDGAR |
| SC 13G | 2017-01-18 | LETKO, BROSSEAU & ASSOCIATES INC | Norbord Inc. | 4,331,466 | 5.1% | EDGAR |