| Filed | Form | Filer | Stake | Shares | Intent | |
|---|---|---|---|---|---|---|
| 2024-11-04 | SC | TCI Fund Management Ltd | — | — | view → | |
| 2022-01-26 | SC | TCI Fund Management Ltd | — | — | view → | |
| 2021-10-18 | SC | TCI Fund Management Ltd | — | — | view → | |
| 2021-09-27 | SC | TCI Fund Management Ltd | — | — | view → | |
| 2021-09-17 | SC | TCI Fund Management Ltd | — | — | view → | |
| 2021-09-13 | SC | TCI Fund Management Ltd | — | — | view → | |
| 2021-09-08 | SC | CASCADE INVESTMENT, L.L.C. | — | — | view → | |
| 2021-09-07 | SC | TCI Fund Management Ltd | — | — | view → | |
| 2021-08-31 | SC | TCI Fund Management Ltd | — | — | view → | |
| 2021-08-06 | SC | CASCADE INVESTMENT, L.L.C. | — | — | view → | |
| 2021-05-04 | SC | CASCADE INVESTMENT, L.L.C. | — | — | view → |
| Settlement | Short Interest | Days to Cover | % Δ vs prior |
|---|---|---|---|
| 2026-10-15 | 4,986,177 | 5.37 | -21.9% |
| 2026-09-30 | 6,384,869 | 5.05 | +18.2% |
| 2026-09-15 | 5,402,423 | 3.25 | -19.8% |
| 2026-08-31 | 6,732,279 | 6.48 | +39.7% |
| 2026-08-14 | 4,820,073 | 3.69 | +3.6% |
| 2026-07-31 | 4,651,995 | 2.55 | +54.3% |
| 2026-07-15 | 3,015,932 | 2.18 | +7.5% |
| 2026-06-30 | 2,806,164 | 1.69 | -53.6% |
| 2026-06-15 | 6,044,119 | 3.07 | -17.6% |
| 2026-05-29 | 7,333,698 | 6.15 | +44.2% |
| 2026-05-15 | 5,086,732 | 4.48 | +129.3% |
| 2026-04-30 | 2,217,974 | 1.36 | +3.4% |
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