Altimmune, Inc. (ALT) SEC filings

ALT SEC filings moved a median of -0.84% by the close. ALT SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the ALT overview →

51 measured ALT SEC filing events.

Where these ALT SEC filings landedvs 49 measured ALT SEC filing reactions
ALT SEC filingMiddle 50% · -2.99% to +4.68%Zero: 0.00%Median: -0.84%Median -0.84%-6.00%0+6.00%
Middle 50% of ALT SEC filing reactions-2.99% to +4.68%
Median reaction (to close)-0.84%
Measured reactions49
Point-in-time · zero look-ahead

Half of the 49 ALT SEC filing events with a measured close landed between -2.99% and +4.68%; 41% closed up.

DateHeadlineEvent5-minTo close
Form 10-Q Altimmune, Inc. For: Jun 30SEC filing · Form 10-Q-1.36%-2.37%
Form 8-K Altimmune, Inc. For: Aug 12SEC filing · Form 8-K+1.15%-3.93%
Form 8-K Altimmune, Inc. For: Jul 28SEC filing · Form 8-K-4.75%-5.38%
Form 8-K Altimmune, Inc. For: Jun 16SEC filing · Form 8-K-0.94%-0.38%
Form 10-Q Altimmune, Inc. For: Mar 31SEC filing · Form 10-Q-0.83%-2.99%
Form 8-K Altimmune, Inc. For: May 13SEC filing · Form 8-K-3.17%+0.67%
Form S-8 Altimmune, Inc.SEC filing · Form S-8-0.83%-2.99%
Form 8-K Altimmune, Inc. For: Apr 22SEC filing · Form 8-K+0.00%-1.41%
Form S-3MEF Altimmune, Inc.SEC filing · Form S-3MEF+1.45%-7.07%
Form 8-K Altimmune, Inc. For: Apr 16SEC filing · Form 8-K+1.10%-1.41%
Form ARS Altimmune, Inc. For: Dec 31SEC filing · Form ARS+0.55%-2.75%
Form DEF 14A Altimmune, Inc. For: Apr 16SEC filing · Form DEF+0.55%-2.75%
Form 10-K Altimmune, Inc. For: Dec 31SEC filing · Form 10-K-2.26%+0.00%
Form PRE 14A Altimmune, Inc. For: Apr 16SEC filing · Form PRE-2.26%+0.00%
Form 8-K Altimmune, Inc. For: Mar 05SEC filing · Form 8-K-1.91%-14.51%
Form S-8 Altimmune, Inc.SEC filing · Form S-8-2.06%-3.30%
Form 8-K Altimmune, Inc. For: Feb 02SEC filing · Form 8-K-0.55%-6.22%
Form 8-K Altimmune, Inc. For: Jan 27SEC filing · Form 8-K+1.16%-1.73%
Form 8-K Altimmune, Inc. For: Dec 19SEC filing · Form 8-K-9.45%-14.29%
Form EFFECT Altimmune, Inc.SEC filing · Form EFFECT-0.37%+4.86%
Form 8-K Altimmune, Inc. For: Nov 30SEC filing · Form 8-K-1.99%-2.38%
Form 10-Q Altimmune, Inc. For: Sep 30SEC filing · Form 10-Q+1.77%+4.32%
Form 8-K Altimmune, Inc. For: Nov 06SEC filing · Form 8-K+1.71%+3.68%
Form S-3 Altimmune, Inc.SEC filing · Form S-3+1.77%+4.32%
Form 8-K Altimmune, Inc. For: Oct 01SEC filing · Form 8-K-0.64%+2.04%
Form 8-K Altimmune, Inc. For: Sep 25SEC filing · Form 8-K-1.28%+2.04%
Form ARS Altimmune, Inc. For: Dec 31SEC filing · Form ARS-0.28%-0.84%
Form DEF 14A Altimmune, Inc. For: Sep 25SEC filing · Form DEF-0.28%-0.84%
Form 10-Q Altimmune, Inc. For: Jun 30SEC filing · Form 10-Q+1.43%
Form 8-K Altimmune, Inc. For: Aug 12SEC filing · Form 8-K-0.87%
Form 8-K Altimmune, Inc. For: Jun 26SEC filing · Form 8-K+10.03%+22.79%
Form 10-Q Altimmune, Inc. For: Mar 31SEC filing · Form 10-Q+1.04%-1.55%
Form 8-K Altimmune, Inc. For: May 13SEC filing · Form 8-K-7.71%-5.57%
Form EFFECT Altimmune, Inc.SEC filing · Form EFFECT+0.65%+9.83%
Form 8-K Altimmune, Inc. For: Mar 13SEC filing · Form 8-K+0.65%+9.83%
Form 10-K Altimmune, Inc. For: Dec 31SEC filing · Form 10-K+1.29%+7.26%
Form 8-K Altimmune, Inc. For: Feb 24SEC filing · Form 8-K+6.71%+7.72%
Form S-3 Altimmune, Inc.SEC filing · Form S-3+1.29%+7.26%
Form S-8 Altimmune, Inc.SEC filing · Form S-8+1.29%+7.26%
Form 8-K Altimmune, Inc. For: Feb 24SEC filing · Form 8-K-1.13%-4.68%
Form 8-K Altimmune, Inc. For: Nov 15SEC filing · Form 8-K+1.22%-2.72%
Form 10-Q Altimmune, Inc. For: Sep 30SEC filing · Form 10-Q+5.23%-2.36%
Form 8-K Altimmune, Inc. For: Nov 11SEC filing · Form 8-K+10.37%+24.54%
Form 8-K Altimmune, Inc. For: Nov 12SEC filing · Form 8-K+5.49%+15.73%
Form 8-K Altimmune, Inc. For: Sep 26SEC filing · Form 8-K+0.44%-5.82%
Form 8-K Altimmune, Inc. For: Aug 13SEC filing · Form 8-K+1.45%+4.68%
Form ARS Altimmune, Inc. For: Dec 31SEC filing · Form ARS+1.45%+4.68%
Form DEF 14A Altimmune, Inc. For: Sep 26SEC filing · Form DEF+1.45%+4.68%
Form 10-Q Altimmune, Inc. For: Jun 30SEC filing · Form 10-Q+0.78%-3.59%
Form 8-K Altimmune, Inc. For: Aug 08SEC filing · Form 8-K-0.69%+9.14%
Form 8-K Altimmune, Inc. For: Jun 25SEC filing · Form 8-K-2.35%-13.72%
That’s how ALT usually reacts to SEC filings — get an email when it moves on news →
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Other Healthcare names and their SEC filings

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.