Amplitude, Inc. - Class A (AMPL) SEC filings

AMPL SEC filings moved a median of -0.67% by the close. AMPL SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the AMPL overview →

46 measured AMPL SEC filing events.

Where these AMPL SEC filings landedvs 46 measured AMPL SEC filing reactions
AMPL SEC filingMiddle 50% · -3.78% to +0.39%Zero: 0.00%Median: -0.67%Median -0.67%-5.00%0+5.00%
Middle 50% of AMPL SEC filing reactions-3.78% to +0.39%
Median reaction (to close)-0.67%
Measured reactions46
Point-in-time · zero look-ahead

Half of the 46 AMPL SEC filing events with a measured close landed between -3.78% and +0.39%; 39% closed up.

DateHeadlineEvent5-minTo close
Form 8-K Amplitude, Inc. For: Oct 15SEC filing · Form 8-K-0.31%-7.41%
Form 10-Q Amplitude, Inc. For: Jun 30SEC filing · Form 10-Q+0.25%+6.21%
Form 8-K Amplitude, Inc. For: Aug 05SEC filing · Form 8-K+0.25%+6.21%
Form 8-K Amplitude, Inc. For: Jun 09SEC filing · Form 8-K-1.63%+2.08%
Form 10-Q Amplitude, Inc. For: Mar 31SEC filing · Form 10-Q+0.00%-2.48%
Form 8-K Amplitude, Inc. For: May 06SEC filing · Form 8-K+0.00%-2.48%
Form ARS Amplitude, Inc. For: Dec 31SEC filing · Form ARS-1.14%+0.28%
Form DEF 14A Amplitude, Inc. For: Jun 09SEC filing · Form DEF-1.14%+0.28%
Form DEFA14A Amplitude, Inc.SEC filing · Form DEFA14A-1.14%+0.28%
Form 8-K Amplitude, Inc. For: Feb 24SEC filing · Form 8-K-2.66%-1.63%
Form 10-K Amplitude, Inc. For: Dec 31SEC filing · Form 10-K+2.29%-0.83%
Form S-8 Amplitude, Inc.SEC filing · Form S-8+1.84%+0.43%
Form 8-K Amplitude, Inc. For: Feb 18SEC filing · Form 8-K+2.29%-0.83%
Form 10-Q Amplitude, Inc. For: Sep 30SEC filing · Form 10-Q-0.90%-0.60%
Form 8-K Amplitude, Inc. For: Nov 05SEC filing · Form 8-K-0.90%-0.60%
Form 10-Q Amplitude, Inc. For: Jun 30SEC filing · Form 10-Q+0.25%-8.56%
Form 8-K Amplitude, Inc. For: Aug 06SEC filing · Form 8-K+0.25%-8.56%
Form 8-K Amplitude, Inc. For: Jun 06SEC filing · Form 8-K+1.06%-3.73%
Form 10-Q Amplitude, Inc. For: Mar 31SEC filing · Form 10-Q-2.10%+5.21%
Form 8-K Amplitude, Inc. For: May 07SEC filing · Form 8-K-2.10%+5.21%
Form ARS Amplitude, Inc. For: Dec 31SEC filing · Form ARS-1.53%+0.00%
Form DEF 14A Amplitude, Inc. For: Jun 12SEC filing · Form DEF-1.53%+0.00%
Form DEFA14A Amplitude, Inc.SEC filing · Form DEFA14A-1.53%+0.00%
Form 8-K Amplitude, Inc. For: Mar 28SEC filing · Form 8-K+0.75%+1.69%
Form 8-K Amplitude, Inc. For: Feb 22SEC filing · Form 8-K+1.18%+0.16%
Form 10-K Amplitude, Inc. For: Dec 31SEC filing · Form 10-K-2.65%-3.80%
Form S-8 Amplitude, Inc.SEC filing · Form S-8-2.65%-3.80%
Form 8-K Amplitude, Inc. For: Feb 19SEC filing · Form 8-K-4.68%-2.96%
Form 10-Q Amplitude, Inc. For: Sep 30SEC filing · Form 10-Q-7.36%-10.09%
Form 8-K Amplitude, Inc. For: Nov 07SEC filing · Form 8-K-7.36%-10.09%
Form 10-Q Amplitude, Inc. For: Jun 30SEC filing · Form 10-Q-3.69%-5.36%
Form 8-K Amplitude, Inc. For: Aug 08SEC filing · Form 8-K-3.69%-5.36%
Form 8-K Amplitude, Inc. For: Aug 05SEC filing · Form 8-K+2.31%+4.75%
Form 8-K Amplitude, Inc. For: Jun 11SEC filing · Form 8-K-0.63%-4.13%
Form 8-K Amplitude, Inc. For: May 23SEC filing · Form 8-K-0.31%-0.73%
Form 10-Q Amplitude, Inc. For: Mar 31SEC filing · Form 10-Q-1.79%-3.90%
Form 8-K Amplitude, Inc. For: May 09SEC filing · Form 8-K-1.79%-3.90%
Form ARS Amplitude, Inc. For: Dec 31SEC filing · Form ARS-1.21%-1.01%
Form DEF 14A Amplitude, Inc. For: Jun 11SEC filing · Form DEF-1.21%-1.01%
Form DEFA14A Amplitude, Inc.SEC filing · Form DEFA14A-1.21%-1.01%
Form PRE 14A Amplitude, Inc. For: Jun 11SEC filing · Form PRE-0.83%+0.83%
Form 10-K Amplitude, Inc. For: Dec 31SEC filing · Form 10-K+7.16%+27.98%
Form 8-K Amplitude, Inc. For: Feb 20SEC filing · Form 8-K+7.16%+27.98%
Form S-8 Amplitude, Inc.SEC filing · Form S-8+7.16%+27.98%
Form 10-Q Amplitude, Inc. For: Sep 30SEC filing · Form 10-Q-5.15%+0.10%
Form 8-K Amplitude, Inc. For: Nov 07SEC filing · Form 8-K-5.15%+0.10%
That’s how AMPL usually reacts to SEC filings — get an email when it moves on news →
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