Monolithic Power Systems, Inc. (MPWR) SEC filings

MPWR SEC filings moved a median of +0.51% by the close. MPWR SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the MPWR overview →

54 measured MPWR SEC filing events.

Where these MPWR SEC filings landedvs 54 measured MPWR SEC filing reactions
MPWR SEC filingMiddle 50% · -1.16% to +2.91%Zero: 0.00%Median: +0.51%Median +0.51%-4.00%0+4.00%
Middle 50% of MPWR SEC filing reactions-1.16% to +2.91%
Median reaction (to close)+0.51%
Measured reactions54
Point-in-time · zero look-ahead

Half of the 54 MPWR SEC filing events with a measured close landed between -1.16% and +2.91%; 56% closed up.

DateHeadlineEvent5-minTo close
Form 8-K MONOLITHIC POWER SYSTEMS For: Sep 10SEC filing · Form 8-K+0.18%+2.80%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Jun 30SEC filing · Form 10-Q+0.82%+3.47%
Form 8-K MONOLITHIC POWER SYSTEMS For: Jul 30SEC filing · Form 8-K+4.46%-4.87%
Form 8-K MONOLITHIC POWER SYSTEMS For: Jun 11SEC filing · Form 8-K+0.72%-0.02%
Form SD MONOLITHIC POWER SYSTEMSSEC filing · Form SD-0.22%+0.15%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Mar 31SEC filing · Form 10-Q-1.39%-0.40%
Form 8-K MONOLITHIC POWER SYSTEMS For: Apr 30SEC filing · Form 8-K-1.36%+1.01%
Form ARS MONOLITHIC POWER SYSTEMS For: Dec 31SEC filing · Form ARS+0.33%+2.85%
Form DEF 14A MONOLITHIC POWER SYSTEMS For: Jun 11SEC filing · Form DEF+0.16%+2.47%
Form DEFA14A MONOLITHIC POWER SYSTEMSSEC filing · Form DEFA14A-0.36%+2.34%
Form 10-K MONOLITHIC POWER SYSTEMS For: Dec 31SEC filing · Form 10-K+1.25%+3.35%
Form 8-K MONOLITHIC POWER SYSTEMS For: Feb 26SEC filing · Form 8-K+1.25%+3.35%
Form 8-K MONOLITHIC POWER SYSTEMS For: Feb 03SEC filing · Form 8-K-4.71%-1.61%
Form 8-K MONOLITHIC POWER SYSTEMS For: Dec 12SEC filing · Form 8-K+1.12%-1.19%
Form 8-K MONOLITHIC POWER SYSTEMS For: Nov 19SEC filing · Form 8-K+0.21%+0.59%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Sep 30SEC filing · Form 10-Q-0.44%-4.29%
Form 8-K MONOLITHIC POWER SYSTEMS For: Oct 30SEC filing · Form 8-K-7.04%-1.49%
Form 8-K MONOLITHIC POWER SYSTEMS For: Sep 11SEC filing · Form 8-K-0.52%-1.28%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Jun 30SEC filing · Form 10-Q-1.93%-3.28%
Form 8-K MONOLITHIC POWER SYSTEMS For: Jul 31SEC filing · Form 8-K-0.08%+6.17%
Form 8-K MONOLITHIC POWER SYSTEMS For: Jun 12SEC filing · Form 8-K+0.13%-1.30%
Form SD MONOLITHIC POWER SYSTEMSSEC filing · Form SD+0.01%-0.60%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Mar 31SEC filing · Form 10-Q-0.15%+0.43%
Form DEFR14A MONOLITHIC POWER SYSTEMSSEC filing · Form DEFR14A+1.29%+2.93%
Form 8-K MONOLITHIC POWER SYSTEMS For: May 01SEC filing · Form 8-K+1.29%+2.93%
Form ARS MONOLITHIC POWER SYSTEMS For: Dec 31SEC filing · Form ARS+0.16%+2.78%
Form DEF 14A MONOLITHIC POWER SYSTEMS For: Jun 12SEC filing · Form DEF+0.20%+3.44%
Form DEFA14A MONOLITHIC POWER SYSTEMSSEC filing · Form DEFA14A+0.16%+3.24%
Form PRE 14A MONOLITHIC POWER SYSTEMS For: Jun 12SEC filing · Form PRE-0.05%-0.88%
Form 8-K MONOLITHIC POWER SYSTEMS For: Mar 26SEC filing · Form 8-K+0.06%+0.65%
Form 8-K MONOLITHIC POWER SYSTEMS For: Mar 20SEC filing · Form 8-K+0.97%-5.19%
Form 10-K MONOLITHIC POWER SYSTEMS For: Dec 31SEC filing · Form 10-K+0.01%-0.55%
Form 8-K MONOLITHIC POWER SYSTEMS For: Feb 06SEC filing · Form 8-K+2.50%+4.89%
Form 8-K MONOLITHIC POWER SYSTEMS For: Dec 13SEC filing · Form 8-K-0.84%+3.56%
Form 8-K MONOLITHIC POWER SYSTEMS For: Nov 11SEC filing · Form 8-K-0.70%-3.14%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Sep 30SEC filing · Form 10-Q-0.23%-2.32%
Form 8-K MONOLITHIC POWER SYSTEMS For: Oct 30SEC filing · Form 8-K-3.76%-8.11%
Form 8-K MONOLITHIC POWER SYSTEMS For: Oct 21SEC filing · Form 8-K+0.70%+1.36%
Form 8-K MONOLITHIC POWER SYSTEMS For: Sep 13SEC filing · Form 8-K+0.05%-1.16%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Jun 30SEC filing · Form 10-Q-1.53%+2.96%
Form 8-K MONOLITHIC POWER SYSTEMS For: Jul 30SEC filing · Form 8-K+1.71%+0.91%
Form 8-K MONOLITHIC POWER SYSTEMS For: Jun 13SEC filing · Form 8-K-0.64%+2.09%
Form DEFA14A MONOLITHIC POWER SYSTEMSSEC filing · Form DEFA14A-0.05%+0.19%
Form SD MONOLITHIC POWER SYSTEMSSEC filing · Form SD-0.00%-0.55%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Mar 31SEC filing · Form 10-Q-0.53%+1.94%
Form 8-K MONOLITHIC POWER SYSTEMS For: May 01SEC filing · Form 8-K+0.95%+4.84%
Form ARS MONOLITHIC POWER SYSTEMS For: Dec 31SEC filing · Form ARS-0.21%-1.16%
Form DEF 14A MONOLITHIC POWER SYSTEMS For: Jun 13SEC filing · Form DEF+0.17%-0.12%
Form DEFA14A MONOLITHIC POWER SYSTEMSSEC filing · Form DEFA14A-0.19%-0.35%
Form 10-K MONOLITHIC POWER SYSTEMS For: Dec 31SEC filing · Form 10-K+0.02%+2.31%
Form 8-K MONOLITHIC POWER SYSTEMS For: Feb 07SEC filing · Form 8-K+4.83%+8.39%
Form 8-K MONOLITHIC POWER SYSTEMS For: Dec 15SEC filing · Form 8-K-0.59%-0.09%
Form 10-Q MONOLITHIC POWER SYSTEMS For: Sep 30SEC filing · Form 10-Q-1.42%-3.61%
Form 8-K MONOLITHIC POWER SYSTEMS For: Oct 30SEC filing · Form 8-K-3.09%+3.79%
That’s how MPWR usually reacts to SEC filings — get an email when it moves on news →
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More MPWR: earnings → · analyst actions → · MPWR 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.