TRANSALTA CORP
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SEC XBRL · annualNo structured XBRL financials available (common for pre-2009 filers, foreign issuers, or companies that never reported as a US public company).
5%+ owners
SEC Schedule 13D / 13G · last 3 yrs- Bank Of Montreal /Can/Passive (13G)May 13, 2026
- Fmr LlcPassive (13G)May 6, 2026
- Royal Bank Of CanadaPassive (13G)Feb 13, 2026
- Millennium Management LlcPassive (13G)Nov 14, 2025
- Goldman Sachs Group IncPassive (13G)Nov 13, 2025
- Bank Of Nova ScotiaPassive (13G)Oct 7, 2025
- Rubric Capital Management LpPassive (13G)Jul 9, 2025
- Brookfield Corp /On/Activist (13D)Jan 8, 2025
Holders who disclosed a 5%+ stake. 13D signals intent to influence or control; 13G is a passive holding. Latest filing per holder — open it for the exact stake.
Short interest
FINRA · bi-monthly| Settlement | Shares short | Days to cover | Δ vs prior |
|---|---|---|---|
| May 15, 2026 | 5.3M | 4.3 | +17.4% |
| Apr 30, 2026 | 4.5M | 3.5 | -12.9% |
| Apr 15, 2026 | 5.2M | 5.4 | -2.9% |
| Mar 31, 2026 | 5.4M | 2.9 | -27.3% |
| Mar 13, 2026 | 7.4M | 4.7 | +13.0% |
Shares sold short as reported to FINRA. Days-to-cover = short shares ÷ average daily volume — higher means more potential squeeze pressure.
Recent SEC filings
All filings ↗- SCHEDULE 13GMay 13, 2026
- SCHEDULE 13G/AMay 6, 2026
- 6-KMay 6, 2026
- 6-KMay 6, 2026
- 6-KFORM 6-KMay 1, 2026
- 6-KMay 1, 2026
- 6-KFORM 6-KApr 30, 2026
- 6-KFORM 6-KApr 20, 2026
- 6-KFORM 6-KApr 7, 2026
- 6-KMar 31, 2026
- 6-KFORM 6-KMar 23, 2026
- 6-KFORM 6-KMar 17, 2026
- 6-KFORM 6-KMar 17, 2026
- 6-KFORM 6-KMar 2, 2026
- 6-KFORM 6-KFeb 27, 2026