Atara Biotherapeutics, Inc. (ATRA) SEC filings
ATRA SEC filings moved a median of +0.95% by the close. ATRA SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the ATRA overview →
76 measured ATRA SEC filing events.
Where these ATRA SEC filings landedvs 74 measured ATRA SEC filing reactions
| Middle 50% of ATRA SEC filing reactions | -5.25% to +4.16% |
|---|---|
| Median reaction (to close) | +0.95% |
| Measured reactions | 74 |
Point-in-time · zero look-ahead
Half of the 74 ATRA SEC filing events with a measured close landed between -5.25% and +4.16%; 55% closed up.
| Date | Headline | Event | 5-min | To close |
|---|---|---|---|---|
| Form 10-Q Atara Biotherapeutics, For: Jun 30 | SEC filing · Form 10-Q | -3.36% | +2.04% | |
| Form 8-K Atara Biotherapeutics, For: Aug 12 | SEC filing · Form 8-K | -3.36% | +2.04% | |
| Form 8-K Atara Biotherapeutics, For: Jun 22 | SEC filing · Form 8-K | +0.33% | +5.38% | |
| Form 8-K Atara Biotherapeutics, For: Jun 09 | SEC filing · Form 8-K | -2.33% | -5.14% | |
| Form S-8 Atara Biotherapeutics, | SEC filing · Form S-8 | -2.33% | -5.14% | |
| Form 10-Q Atara Biotherapeutics, For: Mar 31 | SEC filing · Form 10-Q | +9.00% | +13.67% | |
| Form 8-K Atara Biotherapeutics, For: May 12 | SEC filing · Form 8-K | +9.00% | +13.67% | |
| Form 8-K Atara Biotherapeutics, For: May 07 | SEC filing · Form 8-K | -9.47% | +26.18% | |
| Form 8-K Atara Biotherapeutics, For: Apr 30 | SEC filing · Form 8-K | +0.00% | +0.41% | |
| Form DEF 14A Atara Biotherapeutics, For: Apr 24 | SEC filing · Form DEF | -0.20% | +1.01% | |
| Form DEFA14A Atara Biotherapeutics, | SEC filing · Form DEFA14A | -0.20% | +1.01% | |
| Form EFFECT Atara Biotherapeutics, | SEC filing · Form EFFECT | +2.46% | -3.48% | |
| Form S-3 Atara Biotherapeutics, | SEC filing · Form S-3 | +0.30% | -1.19% | |
| Form 10-K Atara Biotherapeutics, For: Dec 31 | SEC filing · Form 10-K | -4.53% | -8.88% | |
| Form 8-K Atara Biotherapeutics, For: Mar 16 | SEC filing · Form 8-K | -4.53% | -8.88% | |
| Form 8-K Atara Biotherapeutics, For: Mar 12 | SEC filing · Form 8-K | -1.55% | +6.65% | |
| Form 8-K Atara Biotherapeutics, For: Mar 03 | SEC filing · Form 8-K | +3.59% | +11.07% | |
| Form 8-K Atara Biotherapeutics, For: Feb 20 | SEC filing · Form 8-K | +0.73% | +1.94% | |
| Form 8-K Atara Biotherapeutics, For: Jan 12 | SEC filing · Form 8-K | -7.55% | -26.68% | |
| Form 8-K Atara Biotherapeutics, For: Dec 30 | SEC filing · Form 8-K | -1.25% | -8.72% | |
| Form 10-Q Atara Biotherapeutics, For: Sep 30 | SEC filing · Form 10-Q | -1.25% | +0.89% | |
| Form 8-K Atara Biotherapeutics, For: Nov 12 | SEC filing · Form 8-K | -1.25% | +0.89% | |
| Form 8-K Atara Biotherapeutics, For: Oct 06 | SEC filing · Form 8-K | +0.16% | +11.64% | |
| Form 8-K Atara Biotherapeutics, For: Sep 02 | SEC filing · Form 8-K | +0.00% | +1.27% | |
| Form 10-Q Atara Biotherapeutics, For: Jun 30 | SEC filing · Form 10-Q | -1.00% | — | |
| Form 8-K Atara Biotherapeutics, For: Aug 11 | SEC filing · Form 8-K | -1.00% | — | |
| Form 8-K Atara Biotherapeutics, For: Jul 14 | SEC filing · Form 8-K | -0.92% | -0.21% | |
| Form 8-K Atara Biotherapeutics, For: Jun 10 | SEC filing · Form 8-K | +0.00% | -1.91% | |
| Form 8-K Atara Biotherapeutics, For: May 14 | SEC filing · Form 8-K | +0.64% | -0.44% | |
| Form 10-Q Atara Biotherapeutics, For: Mar 31 | SEC filing · Form 10-Q | -6.24% | +1.60% | |
| Form 8-K Atara Biotherapeutics, For: May 14 | SEC filing · Form 8-K | -6.24% | +1.60% | |
| Form 8-K Atara Biotherapeutics, For: May 12 | SEC filing · Form 8-K | +1.54% | +2.77% | |
| Form 8-K Atara Biotherapeutics, For: May 05 | SEC filing · Form 8-K | +0.00% | -4.47% | |
| Form DEF 14A Atara Biotherapeutics, For: Jun 10 | SEC filing · Form DEF | +0.00% | +1.49% | |
| Form DEFA14A Atara Biotherapeutics, | SEC filing · Form DEFA14A | +0.00% | +1.49% | |
| Form 8-K Atara Biotherapeutics, For: Mar 31 | SEC filing · Form 8-K | -5.35% | +5.72% | |
| Form 8-K Atara Biotherapeutics, For: Mar 25 | SEC filing · Form 8-K | -1.29% | -2.75% | |
| Form 10-K Atara Biotherapeutics, For: Dec 31 | SEC filing · Form 10-K | -0.29% | -10.98% | |
| Form 8-K Atara Biotherapeutics, For: Mar 07 | SEC filing · Form 8-K | -0.29% | -10.98% | |
| Form 8-K Atara Biotherapeutics, For: Mar 03 | SEC filing · Form 8-K | -2.16% | +2.59% | |
| Form 8-K Atara Biotherapeutics, For: Jan 27 | SEC filing · Form 8-K | +1.33% | +11.47% | |
| Form 8-K Atara Biotherapeutics, For: Jan 21 | SEC filing · Form 8-K | -7.03% | -5.47% | |
| Form S-8 Atara Biotherapeutics, | SEC filing · Form S-8 | -7.03% | -5.47% | |
| Form 8-K Atara Biotherapeutics, For: Jan 16 | SEC filing · Form 8-K | +1.95% | -12.63% | |
| Form 8-K Atara Biotherapeutics, For: Dec 20 | SEC filing · Form 8-K | -1.37% | +7.76% | |
| Form 10-Q Atara Biotherapeutics, For: Sep 30 | SEC filing · Form 10-Q | +14.66% | +17.85% | |
| Form 8-K Atara Biotherapeutics, For: Nov 08 | SEC filing · Form 8-K | +14.66% | +17.85% | |
| Form 8-K Atara Biotherapeutics, For: Oct 14 | SEC filing · Form 8-K | +2.72% | +8.88% | |
| Form 8-K Atara Biotherapeutics, For: Sep 03 | SEC filing · Form 8-K | +2.81% | +10.64% | |
| Form 10-Q Atara Biotherapeutics, For: Jun 30 | SEC filing · Form 10-Q | -3.85% | +2.82% | |
| Form 8-K Atara Biotherapeutics, For: Aug 10 | SEC filing · Form 8-K | -3.85% | +2.82% | |
| Form 8-K Atara Biotherapeutics, For: Jul 17 | SEC filing · Form 8-K | +2.87% | -13.40% | |
| Form 8-K Atara Biotherapeutics, For: Jun 20 | SEC filing · Form 8-K | -0.34% | -7.63% | |
| Form 8-K Atara Biotherapeutics, For: Jun 17 | SEC filing · Form 8-K | -4.27% | -4.61% | |
| Form 8-K Atara Biotherapeutics, For: Jun 10 | SEC filing · Form 8-K | +3.63% | +12.02% | |
| Form S-8 Atara Biotherapeutics, | SEC filing · Form S-8 | +0.18% | -3.90% | |
| Form DEFR14A Atara Biotherapeutics, | SEC filing · Form DEFR14A | -1.85% | +2.92% | |
| Form 10-Q Atara Biotherapeutics, For: Mar 31 | SEC filing · Form 10-Q | +1.73% | -7.04% | |
| Form 8-K Atara Biotherapeutics, For: May 09 | SEC filing · Form 8-K | +1.73% | -7.04% | |
| Form DEF 14A Atara Biotherapeutics, For: Jun 10 | SEC filing · Form DEF | -1.45% | +3.51% | |
| Form DEFA14A Atara Biotherapeutics, | SEC filing · Form DEFA14A | -1.45% | +3.51% | |
| Form PRE 14A Atara Biotherapeutics, For: Jun 10 | SEC filing · Form PRE | -1.30% | -4.42% | |
| Form 8-K Atara Biotherapeutics, For: Mar 26 | SEC filing · Form 8-K | -1.58% | +1.58% | |
| Form 10-K Atara Biotherapeutics, For: Dec 31 | SEC filing · Form 10-K | -1.05% | +4.38% | |
| Form 8-K Atara Biotherapeutics, For: Mar 28 | SEC filing · Form 8-K | -1.05% | +4.38% | |
| Form 8-K Atara Biotherapeutics, For: Feb 22 | SEC filing · Form 8-K | +1.12% | -5.20% | |
| Form 8-K Atara Biotherapeutics, For: Jan 08 | SEC filing · Form 8-K | -4.93% | -4.58% | |
| Form 8-K Atara Biotherapeutics, For: Jan 08 | SEC filing · Form 8-K | +3.18% | +25.65% | |
| Form S-8 Atara Biotherapeutics, | SEC filing · Form S-8 | -1.21% | +0.29% | |
| Form 8-K Atara Biotherapeutics, For: Dec 20 | SEC filing · Form 8-K | +4.84% | -28.08% | |
| Form EFFECT Atara Biotherapeutics, | SEC filing · Form EFFECT | +6.37% | +33.77% | |
| Form 8-K Atara Biotherapeutics, For: Nov 08 | SEC filing · Form 8-K | -11.75% | -50.89% | |
| Form 10-Q Atara Biotherapeutics, For: Sep 30 | SEC filing · Form 10-Q | -3.75% | -5.26% | |
| Form 8-K Atara Biotherapeutics, For: Nov 01 | SEC filing · Form 8-K | -3.48% | -9.85% | |
| Form 8-K Atara Biotherapeutics, For: Oct 31 | SEC filing · Form 8-K | -3.75% | -5.26% | |
| Form S-3 Atara Biotherapeutics, | SEC filing · Form S-3 | -3.48% | -9.85% |
Keep exploring
More ATRA: earnings → · analyst actions → · ATRA overview →
Other Healthcare names and their SEC filings
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| CYTRX CORP (CYTR) | 821 | -0.00% | 43% |
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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.