TransAlta Corporation Ordinary Shares (TAC) SEC filings
TAC SEC filings moved a median of +0.47% by the close. TAC SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the TAC overview →
100 measured TAC SEC filing events.
Where these TAC SEC filings landedvs 100 measured TAC SEC filing reactions
| Middle 50% of TAC SEC filing reactions | -1.24% to +2.21% |
|---|---|
| Median reaction (to close) | +0.47% |
| Measured reactions | 100 |
Point-in-time · zero look-ahead
Half of the 100 TAC SEC filing events with a measured close landed between -1.24% and +2.21%; 58% closed up.
| Date | Headline | Event | 5-min | To close |
|---|---|---|---|---|
| Form 6-K TRANSALTA CORP For: Oct 05 | SEC filing · Form 6-K | -0.11% | -0.61% | |
| Form 6-K TRANSALTA CORP For: Sep 14 | SEC filing · Form 6-K | +0.51% | -2.71% | |
| Form 6-K TRANSALTA CORP For: Jul 31 | SEC filing · Form 6-K | +0.70% | -2.95% | |
| Form 6-K TRANSALTA CORP For: Jun 30 | SEC filing · Form 6-K | +0.70% | -2.95% | |
| Form 6-K TRANSALTA CORP For: Jul 29 | SEC filing · Form 6-K | -0.47% | +0.63% | |
| Form 6-K TRANSALTA CORP For: Jun 30 | SEC filing · Form 6-K | -0.66% | -0.51% | |
| Form 6-K TRANSALTA CORP For: Jun 15 | SEC filing · Form 6-K | -0.52% | +1.27% | |
| Form 6-K TRANSALTA CORP For: Jun 09 | SEC filing · Form 6-K | +1.04% | -0.40% | |
| Form 6-K TRANSALTA CORP For: Jun 05 | SEC filing · Form 6-K | +0.83% | -1.42% | |
| Form SUPPL TRANSALTA CORP | SEC filing · Form SUPPL | -0.69% | -2.08% | |
| Form 6-K TRANSALTA CORP For: Jun 03 | SEC filing · Form 6-K | -0.15% | -1.52% | |
| Form SUPPL TRANSALTA CORP | SEC filing · Form SUPPL | -0.15% | -1.52% | |
| Form 6-K TRANSALTA CORP For: Mar 31 | SEC filing · Form 6-K | -2.05% | +0.63% | |
| Form 6-K TRANSALTA CORP For: May 06 | SEC filing · Form 6-K | -2.05% | +0.63% | |
| Form 6-K TRANSALTA CORP For: Apr 30 | SEC filing · Form 6-K | -0.40% | +0.08% | |
| Form 6-K TRANSALTA CORP For: Apr 29 | SEC filing · Form 6-K | +0.50% | +3.23% | |
| Form 6-K TRANSALTA CORP For: Apr 20 | SEC filing · Form 6-K | -0.63% | +0.08% | |
| Form 6-K TRANSALTA CORP For: Apr 07 | SEC filing · Form 6-K | -1.57% | -1.00% | |
| Form 6-K TRANSALTA CORP For: Mar 12 | SEC filing · Form 6-K | +0.35% | +0.73% | |
| Form 6-K TRANSALTA CORP For: Mar 23 | SEC filing · Form 6-K | -2.70% | +1.43% | |
| Form 6-K TRANSALTA CORP For: Mar 17 | SEC filing · Form 6-K | -0.75% | -1.35% | |
| Form 6-K TRANSALTA CORP For: Mar 02 | SEC filing · Form 6-K | -2.06% | -1.49% | |
| Form 40-F TRANSALTA CORP For: Dec 31 | SEC filing · Form 40-F | +2.72% | +1.03% | |
| Form 6-K TRANSALTA CORP For: Dec 31 | SEC filing · Form 6-K | +2.72% | +1.03% | |
| Form 6-K TRANSALTA CORP For: Feb 27 | SEC filing · Form 6-K | +2.72% | +1.03% | |
| Form 6-K TRANSALTA CORP For: Jan 27 | SEC filing · Form 6-K | -0.22% | +0.65% | |
| Form 6-K TRANSALTA CORP For: Dec 22 | SEC filing · Form 6-K | +0.32% | +2.01% | |
| Form 6-K TRANSALTA CORP For: Dec 18 | SEC filing · Form 6-K | +0.24% | -1.34% | |
| Form 6-K TRANSALTA CORP For: Dec 17 | SEC filing · Form 6-K | -0.37% | -6.15% | |
| Form 6-K TRANSALTA CORP For: Dec 11 | SEC filing · Form 6-K | -0.92% | -2.70% | |
| Form 6-K TRANSALTA CORP For: Dec 12 | SEC filing · Form 6-K | -0.92% | -2.70% | |
| Form 6-K TRANSALTA CORP For: Dec 15 | SEC filing · Form 6-K | +1.70% | +0.44% | |
| Form SUPPL TRANSALTA CORP | SEC filing · Form SUPPL | -0.92% | -2.70% | |
| Form SUPPL TRANSALTA CORP | SEC filing · Form SUPPL | -0.45% | +0.49% | |
| Form 6-K TRANSALTA CORP For: Dec 09 | SEC filing · Form 6-K | -0.20% | -1.83% | |
| Form F-10EF TRANSALTA CORP | SEC filing · Form F-10EF | +4.63% | +2.45% | |
| Form 6-K TRANSALTA CORP For: Nov 17 | SEC filing · Form 6-K | +1.23% | -2.80% | |
| Form 6-K TRANSALTA CORP For: Nov 06 | SEC filing · Form 6-K | +0.07% | +8.65% | |
| Form 6-K TRANSALTA CORP For: Sep 30 | SEC filing · Form 6-K | +0.07% | +8.65% | |
| Form 6-K TRANSALTA CORP For: Oct 22 | SEC filing · Form 6-K | -0.12% | +2.87% | |
| Form 6-K TRANSALTA CORP For: Oct 08 | SEC filing · Form 6-K | -0.26% | +0.00% | |
| Form 6-K TRANSALTA CORP For: Sep 18 | SEC filing · Form 6-K | -2.75% | -1.23% | |
| Form 6-K TRANSALTA CORP For: Aug 01 | SEC filing · Form 6-K | +2.42% | +3.08% | |
| Form 6-K TRANSALTA CORP For: Jun 30 | SEC filing · Form 6-K | +2.42% | +3.08% | |
| Form 6-K TRANSALTA CORP For: Jul 29 | SEC filing · Form 6-K | +0.20% | +0.29% | |
| Form 6-K TRANSALTA CORP For: Jul 03 | SEC filing · Form 6-K | -1.20% | -1.94% | |
| Form 6-K TRANSALTA CORP For: May 27 | SEC filing · Form 6-K | +0.32% | +2.33% | |
| Form 6-K TRANSALTA CORP For: Mar 31 | SEC filing · Form 6-K | +0.33% | -6.68% | |
| Form 6-K TRANSALTA CORP For: May 07 | SEC filing · Form 6-K | +0.33% | -6.68% | |
| Form 6-K TRANSALTA CORP For: Apr 24 | SEC filing · Form 6-K | -0.23% | +2.63% | |
| Form 6-K TRANSALTA CORP For: Apr 23 | SEC filing · Form 6-K | +0.58% | +2.21% | |
| Form 6-K TRANSALTA CORP For: Apr 08 | SEC filing · Form 6-K | +0.23% | +0.23% | |
| Form 6-K TRANSALTA CORP For: Mar 28 | SEC filing · Form 6-K | -0.81% | +0.54% | |
| Form 6-K TRANSALTA CORP For: Mar 26 | SEC filing · Form 6-K | -0.21% | -1.47% | |
| Form 6-K TRANSALTA CORP For: Mar 07 | SEC filing · Form 6-K | +0.10% | +1.60% | |
| Form 40-F TRANSALTA CORP For: Dec 31 | SEC filing · Form 40-F | +1.67% | +4.64% | |
| Form 6-K TRANSALTA CORP For: Dec 31 | SEC filing · Form 6-K | +1.67% | +4.64% | |
| Form 6-K TRANSALTA CORP For: Feb 20 | SEC filing · Form 6-K | +1.67% | +4.64% | |
| Form 6-K TRANSALTA CORP For: Jan 16 | SEC filing · Form 6-K | +1.79% | +4.69% | |
| Form 6-K TRANSALTA CORP For: Dec 09 | SEC filing · Form 6-K | +0.92% | +0.23% | |
| Form 6-K TRANSALTA CORP For: Dec 04 | SEC filing · Form 6-K | +1.82% | +1.21% | |
| Form 6-K TRANSALTA CORP For: Nov 14 | SEC filing · Form 6-K | +0.34% | +2.22% | |
| Form 6-K TRANSALTA CORP For: Nov 05 | SEC filing · Form 6-K | +3.90% | +10.70% | |
| Form 6-K TRANSALTA CORP For: Sep 30 | SEC filing · Form 6-K | +3.90% | +10.70% | |
| Form 6-K TRANSALTA CORP For: Oct 23 | SEC filing · Form 6-K | +0.59% | +0.20% | |
| Form 6-K TRANSALTA CORP For: Oct 04 | SEC filing · Form 6-K | +0.80% | -1.14% | |
| Form 6-K TRANSALTA CORP For: Sep 17 | SEC filing · Form 6-K | +0.32% | -0.85% | |
| Form 6-K TRANSALTA CORP For: Sep 03 | SEC filing · Form 6-K | +0.23% | +1.84% | |
| Form 6-K TRANSALTA CORP For: Aug 22 | SEC filing · Form 6-K | +0.58% | +1.63% | |
| Form 6-K TRANSALTA CORP For: Aug 01 | SEC filing · Form 6-K | +2.22% | +6.54% | |
| Form 6-K TRANSALTA CORP For: Jun 30 | SEC filing · Form 6-K | +2.22% | +6.54% | |
| Form 6-K TRANSALTA CORP For: Jul 29 | SEC filing · Form 6-K | -0.68% | -0.27% | |
| Form 6-K TRANSALTA CORP For: Jul 04 | SEC filing · Form 6-K | -0.29% | -1.14% | |
| Form 6-K TRANSALTA CORP For: Jun 24 | SEC filing · Form 6-K | -0.42% | -0.99% | |
| Form 6-K TRANSALTA CORP For: May 27 | SEC filing · Form 6-K | +0.42% | -1.11% | |
| Form 6-K TRANSALTA CORP For: May 21 | SEC filing · Form 6-K | -0.56% | -1.25% | |
| Form 6-K TRANSALTA CORP For: Mar 31 | SEC filing · Form 6-K | +2.32% | +2.46% | |
| Form 6-K TRANSALTA CORP For: May 03 | SEC filing · Form 6-K | +2.32% | +2.46% | |
| Form 6-K TRANSALTA CORP For: Apr 30 | SEC filing · Form 6-K | -1.17% | -3.35% | |
| Form 6-K TRANSALTA CORP For: Apr 24 | SEC filing · Form 6-K | +0.68% | +3.80% | |
| Form 6-K TRANSALTA CORP For: Apr 25 | SEC filing · Form 6-K | -1.17% | -3.35% | |
| Form 6-K TRANSALTA CORP For: Apr 24 | SEC filing · Form 6-K | +0.68% | +3.80% | |
| Form 6-K TRANSALTA CORP For: Apr 19 | SEC filing · Form 6-K | -0.15% | -0.46% | |
| Form 6-K TRANSALTA CORP For: Mar 28 | SEC filing · Form 6-K | +0.56% | +1.20% | |
| Form 6-K TRANSALTA CORP For: Mar 22 | SEC filing · Form 6-K | +0.31% | +0.62% | |
| Form 6-K TRANSALTA CORP For: Mar 15 | SEC filing · Form 6-K | +0.60% | -0.31% | |
| Form 40-F TRANSALTA CORP For: Dec 31 | SEC filing · Form 40-F | +2.18% | +6.39% | |
| Form 6-K TRANSALTA CORP For: Dec 31 | SEC filing · Form 6-K | +2.18% | +6.39% | |
| Form 6-K TRANSALTA CORP For: Feb 23 | SEC filing · Form 6-K | +2.18% | +6.39% | |
| Form 6-K TRANSALTA CORP For: Jan 22 | SEC filing · Form 6-K | +0.53% | -1.46% | |
| Form 6-K TRANSALTA CORP For: Jan 03 | SEC filing · Form 6-K | +0.00% | -1.10% | |
| Form 6-K TRANSALTA CORP For: Dec 19 | SEC filing · Form 6-K | +0.15% | +0.15% | |
| Form 6-K TRANSALTA CORP For: Dec 11 | SEC filing · Form 6-K | -0.19% | +2.05% | |
| Form 6-K TRANSALTA CORP For: Nov 21 | SEC filing · Form 6-K | +0.50% | +1.37% | |
| Form 6-K TRANSALTA CORP For: Nov 22 | SEC filing · Form 6-K | +0.50% | +1.37% | |
| Form 6-K TRANSALTA CORP For: Nov 07 | SEC filing · Form 6-K | +2.89% | +0.00% | |
| Form 6-K TRANSALTA CORP For: Sep 30 | SEC filing · Form 6-K | +2.89% | +0.00% | |
| Form 6-K TRANSALTA CORP For: Nov 02 | SEC filing · Form 6-K | +1.04% | +1.30% | |
| Form 6-K TRANSALTA CORP For: Oct 30 | SEC filing · Form 6-K | +1.04% | +1.30% | |
| Form 6-K TRANSALTA CORP For: Oct 19 | SEC filing · Form 6-K | +0.26% | -2.01% |
Keep exploring
More TAC: earnings → · analyst actions → · TAC overview →
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Same sector, same measurement: percent move vs. the price at the news timestamp, read at 30 minutes. Sample sizes differ, so the medians are comparable but the confidence behind them is not. These are each name’s all-news baseline, not its SEC filings — that is what the link opens.