Ambarella, Inc. - Ordinary Shares (AMBA) SEC filings

AMBA SEC filings moved a median of -1.08% by the close. AMBA SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the AMBA overview →

48 measured AMBA SEC filing events.

Where these AMBA SEC filings landedvs 48 measured AMBA SEC filing reactions
AMBA SEC filingMiddle 50% · -4.47% to +0.43%Zero: 0.00%Median: -1.08%Median -1.08%-6.00%0+6.00%
Middle 50% of AMBA SEC filing reactions-4.47% to +0.43%
Median reaction (to close)-1.08%
Measured reactions48
Point-in-time · zero look-ahead

Half of the 48 AMBA SEC filing events with a measured close landed between -4.47% and +0.43%; 33% closed up.

DateHeadlineEvent5-minTo close
Form 10-Q AMBARELLA INC For: Jul 31SEC filing · Form 10-Q+0.16%-1.25%
Form 8-K AMBARELLA INC For: Sep 03SEC filing · Form 8-K-4.75%-0.46%
Form S-8 AMBARELLA INCSEC filing · Form S-8+2.27%-0.18%
Form 8-K AMBARELLA INC For: Jun 26SEC filing · Form 8-K-0.11%-11.06%
Form DEFA14A AMBARELLA INCSEC filing · Form DEFA14A-1.67%-4.67%
Form 10-Q AMBARELLA INC For: Apr 30SEC filing · Form 10-Q+0.42%+1.53%
Form SD AMBARELLA INCSEC filing · Form SD+4.87%+3.81%
Form 8-K AMBARELLA INC For: May 28SEC filing · Form 8-K-8.17%-12.39%
Form ARS AMBARELLA INC For: Jan 31SEC filing · Form ARS-1.41%-3.76%
Form DEF 14A AMBARELLA INC For: Jun 26SEC filing · Form DEF-1.41%-3.76%
Form DEFA14A AMBARELLA INCSEC filing · Form DEFA14A-1.41%-3.76%
Form 10-K AMBARELLA INC For: Jan 31SEC filing · Form 10-K—-1.10%
Form 8-K AMBARELLA INC For: Feb 23SEC filing · Form 8-K+3.25%+7.07%
Form 8-K AMBARELLA INC For: Feb 23SEC filing · Form 8-K-0.38%+0.57%
Form 10-Q AMBARELLA INC For: Oct 31SEC filing · Form 10-Q+0.32%+0.98%
Form 8-K AMBARELLA INC For: Nov 24SEC filing · Form 8-K-5.57%-6.47%
Form 10-Q AMBARELLA INC For: Jul 31SEC filing · Form 10-Q—+1.04%
Form 8-K AMBARELLA INC For: Aug 28SEC filing · Form 8-K+7.37%-1.27%
Form 8-K AMBARELLA INC For: Jun 04SEC filing · Form 8-K+1.48%+1.82%
Form 10-Q AMBARELLA INC For: Apr 30SEC filing · Form 10-Q+0.32%+0.58%
Form SD AMBARELLA INCSEC filing · Form SD+0.05%+1.37%
Form 8-K AMBARELLA INC For: May 29SEC filing · Form 8-K-9.27%-10.93%
Form ARS AMBARELLA INC For: Jan 31SEC filing · Form ARS+1.14%+0.02%
Form DEF 14A AMBARELLA INC For: Jun 04SEC filing · Form DEF+1.14%+0.02%
Form DEFA14A AMBARELLA INCSEC filing · Form DEFA14A+1.14%+0.02%
Form 8-K AMBARELLA INC For: Apr 02SEC filing · Form 8-K-0.38%+4.28%
Form 10-K AMBARELLA INC For: Jan 31SEC filing · Form 10-K-0.08%+0.78%
Form 8-K AMBARELLA INC For: Feb 24SEC filing · Form 8-K-2.41%-8.40%
Form 8-K AMBARELLA INC For: Feb 26SEC filing · Form 8-K-9.16%-22.54%
Form 8-K AMBARELLA INC For: Dec 20SEC filing · Form 8-K-1.03%-0.54%
Form 10-Q AMBARELLA INC For: Oct 31SEC filing · Form 10-Q-0.36%-0.03%
Form S-8 AMBARELLA INCSEC filing · Form S-8-0.29%+3.31%
Form 8-K AMBARELLA INC For: Nov 26SEC filing · Form 8-K-3.50%-9.20%
Form 10-Q AMBARELLA INC For: Jul 31SEC filing · Form 10-Q-0.13%-1.34%
Form 8-K AMBARELLA INC For: Aug 27SEC filing · Form 8-K-3.54%-8.03%
Form 10-Q AMBARELLA INC For: Apr 30SEC filing · Form 10-Q-0.28%-0.66%
Form SD AMBARELLA INCSEC filing · Form SD-0.13%-6.12%
Form 8-K AMBARELLA INC For: May 30SEC filing · Form 8-K-5.96%-0.83%
Form DEFA14A AMBARELLA INCSEC filing · Form DEFA14A-1.60%-4.40%
Form 8-K AMBARELLA INC For: May 02SEC filing · Form 8-K+0.12%-1.08%
Form ARS AMBARELLA INC For: Jan 31SEC filing · Form ARS+0.12%-1.08%
Form DEF 14A AMBARELLA INC For: Jun 12SEC filing · Form DEF+0.12%-1.08%
Form DEFA14A AMBARELLA INCSEC filing · Form DEFA14A+0.12%-1.08%
Form 10-K AMBARELLA INC For: Jan 31SEC filing · Form 10-K+0.83%-1.44%
Form 8-K AMBARELLA INC For: Feb 22SEC filing · Form 8-K-0.10%-5.83%
Form 8-K AMBARELLA INC For: Feb 27SEC filing · Form 8-K-8.01%-10.79%
Form 10-Q AMBARELLA INC For: Oct 31SEC filing · Form 10-Q+0.00%+0.38%
Form 8-K AMBARELLA INC For: Nov 30SEC filing · Form 8-K+0.80%-2.35%
That’s how AMBA usually reacts to SEC filings — get an email when it moves on news →
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Other Technology 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.