Aptose Biosciences, Inc. - Common Shares (APTO) SEC filings
APTO SEC filings moved a median of -1.44% by the close. APTO SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the APTO overview →
76 measured APTO SEC filing events.
Where these APTO SEC filings landedvs 75 measured APTO SEC filing reactions
| Middle 50% of APTO SEC filing reactions | -4.96% to +1.18% |
|---|---|
| Median reaction (to close) | -1.44% |
| Measured reactions | 75 |
Point-in-time · zero look-ahead
Half of the 75 APTO SEC filing events with a measured close landed between -4.96% and +1.18%; 29% closed up.
| Date | Headline | Event | 5-min | To close |
|---|---|---|---|---|
| Form 8-K Aptose Biosciences Inc. For: Mar 31 | SEC filing · Form 8-K | — | — | |
| Form 8-K Aptose Biosciences Inc. For: Apr 01 | SEC filing · Form 8-K | -20.60% | -14.07% | |
| Form 10-K Aptose Biosciences Inc. For: Dec 31 | SEC filing · Form 10-K | — | +0.30% | |
| Form 8-K Aptose Biosciences Inc. For: Mar 28 | SEC filing · Form 8-K | +0.90% | +0.00% | |
| Form 8-K Aptose Biosciences Inc. For: Mar 18 | SEC filing · Form 8-K | +1.96% | -2.52% | |
| Form 8-K Aptose Biosciences Inc. For: Mar 17 | SEC filing · Form 8-K | -3.06% | -3.32% | |
| Form 8-K Aptose Biosciences Inc. For: Mar 11 | SEC filing · Form 8-K | +0.00% | +2.05% | |
| Form 8-K Aptose Biosciences Inc. For: Feb 18 | SEC filing · Form 8-K | -3.16% | -7.23% | |
| Form 8-K Aptose Biosciences Inc. For: Feb 20 | SEC filing · Form 8-K | -0.30% | -19.46% | |
| Form 8-K Aptose Biosciences Inc. For: Feb 18 | SEC filing · Form 8-K | -8.26% | -2.47% | |
| Form 8-K Aptose Biosciences Inc. For: Feb 07 | SEC filing · Form 8-K | +11.73% | +7.14% | |
| Form 8-K Aptose Biosciences Inc. For: Feb 13 | SEC filing · Form 8-K | +11.73% | +7.14% | |
| Form S-1 Aptose Biosciences Inc. | SEC filing · Form S-1 | +11.73% | +7.14% | |
| Form 8-K Aptose Biosciences Inc. For: Feb 12 | SEC filing · Form 8-K | +0.76% | +8.95% | |
| Form 8-K Aptose Biosciences Inc. For: Feb 03 | SEC filing · Form 8-K | +1.01% | +0.90% | |
| Form 8-K Aptose Biosciences Inc. For: Jan 27 | SEC filing · Form 8-K | -1.53% | -9.11% | |
| Form 8-K Aptose Biosciences Inc. For: Jan 14 | SEC filing · Form 8-K | -3.50% | -5.04% | |
| Form 8-K Aptose Biosciences Inc. For: Jan 13 | SEC filing · Form 8-K | -0.32% | -2.54% | |
| Form 8-K Aptose Biosciences Inc. For: Jan 09 | SEC filing · Form 8-K | +1.10% | -3.30% | |
| Form DEF 14A Aptose Biosciences Inc. For: Jan 27 | SEC filing · Form DEF | +0.04% | -0.21% | |
| Form DEFA14A Aptose Biosciences Inc. | SEC filing · Form DEFA14A | +0.04% | -0.21% | |
| Form 8-K Aptose Biosciences Inc. For: Dec 19 | SEC filing · Form 8-K | -6.63% | +3.33% | |
| Form PRE 14A Aptose Biosciences Inc. For: Jan 27 | SEC filing · Form PRE | -2.49% | -1.97% | |
| Form 8-K Aptose Biosciences Inc. For: Dec 12 | SEC filing · Form 8-K | +3.79% | +4.34% | |
| Form 8-K Aptose Biosciences Inc. For: Dec 09 | SEC filing · Form 8-K | +2.56% | +3.85% | |
| Form 8-K Aptose Biosciences Inc. For: Dec 03 | SEC filing · Form 8-K | +5.91% | -0.59% | |
| Form 8-K Aptose Biosciences Inc. For: Nov 21 | SEC filing · Form 8-K | -2.16% | -3.78% | |
| Form 8-K Aptose Biosciences Inc. For: Nov 22 | SEC filing · Form 8-K | -3.19% | +31.94% | |
| Form EFFECT Aptose Biosciences Inc. | SEC filing · Form EFFECT | -3.19% | +31.94% | |
| Form 8-K Aptose Biosciences Inc. For: Nov 20 | SEC filing · Form 8-K | -3.79% | -17.24% | |
| Form 10-Q Aptose Biosciences Inc. For: Sep 30 | SEC filing · Form 10-Q | +0.00% | -1.28% | |
| Form 8-K Aptose Biosciences Inc. For: Nov 08 | SEC filing · Form 8-K | -4.13% | -8.58% | |
| Form S-1/A Aptose Biosciences Inc. | SEC filing · Form S-1 | +0.00% | +2.48% | |
| Form 8-K Aptose Biosciences Inc. For: Oct 01 | SEC filing · Form 8-K | -3.09% | -2.55% | |
| Form 8-K Aptose Biosciences Inc. For: Sep 05 | SEC filing · Form 8-K | -3.38% | -0.91% | |
| Form 8-K Aptose Biosciences Inc. For: Sep 05 | SEC filing · Form 8-K | +1.55% | -4.50% | |
| Form 8-K Aptose Biosciences Inc. For: Aug 27 | SEC filing · Form 8-K | -6.92% | -13.34% | |
| Form 8-K Aptose Biosciences Inc. For: Aug 15 | SEC filing · Form 8-K | +0.00% | -1.44% | |
| Form 10-Q Aptose Biosciences Inc. For: Jun 30 | SEC filing · Form 10-Q | -7.22% | -4.96% | |
| Form 8-K Aptose Biosciences Inc. For: Aug 08 | SEC filing · Form 8-K | -7.22% | -4.96% | |
| Form S-1 Aptose Biosciences Inc. | SEC filing · Form S-1 | -1.96% | -4.12% | |
| Form 8-K Aptose Biosciences Inc. For: Jul 26 | SEC filing · Form 8-K | +0.00% | -3.90% | |
| Form 8-K Aptose Biosciences Inc. For: Jul 16 | SEC filing · Form 8-K | -1.36% | -6.15% | |
| Form DEF 14A Aptose Biosciences Inc. For: Aug 15 | SEC filing · Form DEF | +0.09% | -0.88% | |
| Form PRE 14A Aptose Biosciences Inc. For: Aug 15 | SEC filing · Form PRE | +4.55% | -3.03% | |
| Form 8-K Aptose Biosciences Inc. For: Jun 18 | SEC filing · Form 8-K | -0.01% | -4.81% | |
| Form 8-K Aptose Biosciences Inc. For: Jun 14 | SEC filing · Form 8-K | -1.06% | -5.32% | |
| Form 8-K Aptose Biosciences Inc. For: Jun 03 | SEC filing · Form 8-K | +0.00% | -1.43% | |
| Form 8-K Aptose Biosciences Inc. For: May 30 | SEC filing · Form 8-K | +0.00% | -1.43% | |
| Form 8-K Aptose Biosciences Inc. For: May 31 | SEC filing · Form 8-K | +3.77% | -8.02% | |
| Form DEF 14A Aptose Biosciences Inc. For: Jun 18 | SEC filing · Form DEF | +0.21% | -2.48% | |
| Form 10-Q Aptose Biosciences Inc. For: Mar 31 | SEC filing · Form 10-Q | +0.82% | -3.27% | |
| Form 8-K Aptose Biosciences Inc. For: May 14 | SEC filing · Form 8-K | +0.82% | -3.27% | |
| Form 8-K Aptose Biosciences Inc. For: May 06 | SEC filing · Form 8-K | +2.90% | +1.65% | |
| Form 8-K Aptose Biosciences Inc. For: Apr 29 | SEC filing · Form 8-K | +0.08% | +0.00% | |
| Form PRE 14A Aptose Biosciences Inc. For: Jun 18 | SEC filing · Form PRE | +1.65% | +0.00% | |
| Form 10-K/A Aptose Biosciences Inc. For: Dec 31 | SEC filing · Form 10-K | +0.00% | +0.00% | |
| Form 8-K Aptose Biosciences Inc. For: Apr 24 | SEC filing · Form 8-K | -2.52% | +2.52% | |
| Form 8-K Aptose Biosciences Inc. For: Apr 02 | SEC filing · Form 8-K | -2.07% | +1.38% | |
| Form 10-K Aptose Biosciences Inc. For: Dec 31 | SEC filing · Form 10-K | +0.49% | +0.00% | |
| Form 8-K Aptose Biosciences Inc. For: Mar 26 | SEC filing · Form 8-K | +0.49% | +0.00% | |
| Form 8-K Aptose Biosciences Inc. For: Mar 18 | SEC filing · Form 8-K | +1.35% | +1.35% | |
| Form 8-K Aptose Biosciences Inc. For: Feb 29 | SEC filing · Form 8-K | -0.04% | -1.09% | |
| Form 8-K Aptose Biosciences Inc. For: Jan 31 | SEC filing · Form 8-K | +0.00% | -5.26% | |
| Form 8-K Aptose Biosciences Inc. For: Jan 25 | SEC filing · Form 8-K | +0.00% | +1.01% | |
| Form 8-K Aptose Biosciences Inc. For: Jan 26 | SEC filing · Form 8-K | -1.67% | +10.00% | |
| Form EFFECT Aptose Biosciences Inc. | SEC filing · Form EFFECT | -1.67% | +10.00% | |
| Form S-1MEF Aptose Biosciences Inc. | SEC filing · Form S-1MEF | -1.67% | +10.00% | |
| Form S-1/A Aptose Biosciences Inc. | SEC filing · Form S-1 | +0.47% | -7.51% | |
| Form S-1/A Aptose Biosciences Inc. | SEC filing · Form S-1 | -3.16% | -5.93% | |
| Form 8-K Aptose Biosciences Inc. For: Dec 09 | SEC filing · Form 8-K | -0.36% | -7.12% | |
| Form S-1/A Aptose Biosciences Inc. | SEC filing · Form S-1 | -0.36% | -7.12% | |
| Form S-1 Aptose Biosciences Inc. | SEC filing · Form S-1 | -3.92% | -4.31% | |
| Form 8-K Aptose Biosciences Inc. For: Nov 30 | SEC filing · Form 8-K | +5.00% | +10.83% | |
| Form 10-Q Aptose Biosciences Inc. For: Sep 30 | SEC filing · Form 10-Q | -6.63% | -26.20% | |
| Form 8-K Aptose Biosciences Inc. For: Nov 09 | SEC filing · Form 8-K | -6.63% | -26.20% |
Keep exploring
More APTO: earnings → · analyst actions → · APTO 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.