Ampco-Pittsburgh Corporation (AP) SEC filings

AP SEC filings moved a median of -2.78% by the close. AP SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the AP overview →

53 measured AP SEC filing events.

Where these AP SEC filings landedvs 51 measured AP SEC filing reactions
AP SEC filingMiddle 50% · -6.96% to +2.64%Zero: 0.00%Median: -2.78%Median -2.78%-10.00%0+10.00%
Middle 50% of AP SEC filing reactions-6.96% to +2.64%
Median reaction (to close)-2.78%
Measured reactions51
Point-in-time · zero look-ahead

Half of the 51 AP SEC filing events with a measured close landed between -6.96% and +2.64%; 35% closed up.

DateHeadlineEvent5-minTo close
Form 8-K AMPCO PITTSBURGH CORP For: Sep 23SEC filing · Form 8-K-1.05%-1.64%
Form 10-Q AMPCO PITTSBURGH CORP For: Jun 30SEC filing · Form 10-Q-0.11%+4.25%
Form 8-K AMPCO PITTSBURGH CORP For: Aug 11SEC filing · Form 8-K-0.11%+4.25%
Form 8-K AMPCO PITTSBURGH CORP For: Jul 08SEC filing · Form 8-K+2.79%-7.17%
Form SD AMPCO PITTSBURGH CORPSEC filing · Form SD-2.27%+0.98%
Form 10-Q AMPCO PITTSBURGH CORP For: Mar 31SEC filing · Form 10-Q-1.35%+6.09%
Form 8-K AMPCO PITTSBURGH CORP For: May 08SEC filing · Form 8-K-1.35%+6.09%
Form 8-K AMPCO PITTSBURGH CORP For: May 12SEC filing · Form 8-K-1.35%+6.09%
Form ARS AMPCO PITTSBURGH CORP For: Dec 31SEC filing · Form ARS-1.08%-3.38%
Form DEF 14A AMPCO PITTSBURGH CORP For: May 08SEC filing · Form DEF-1.08%-3.38%
Form DEFA14A AMPCO PITTSBURGH CORPSEC filing · Form DEFA14A-1.08%-3.38%
Form 10-K AMPCO PITTSBURGH CORP For: Dec 31SEC filing · Form 10-K-10.33%-9.92%
Form 8-K AMPCO PITTSBURGH CORP For: Mar 16SEC filing · Form 8-K-10.33%-9.92%
Form EFFECT AMPCO PITTSBURGH CORPSEC filing · Form EFFECT+0.30%-4.97%
Form POS AM AMPCO PITTSBURGH CORPSEC filing · Form POS+0.89%+11.00%
Form 8-K AMPCO PITTSBURGH CORP For: Dec 09SEC filing · Form 8-K+0.57%+3.71%
Form 8-K AMPCO PITTSBURGH CORP For: Nov 18SEC filing · Form 8-K-0.93%-4.83%
Form 10-Q AMPCO PITTSBURGH CORP For: Sep 30SEC filing · Form 10-Q+3.33%—
Form 8-K AMPCO PITTSBURGH CORP For: Nov 12SEC filing · Form 8-K+3.33%—
Form 8-K AMPCO PITTSBURGH CORP For: Nov 05SEC filing · Form 8-K+0.00%+5.98%
Form 8-K AMPCO PITTSBURGH CORP For: Oct 10SEC filing · Form 8-K-2.17%-7.79%
Form 10-Q AMPCO PITTSBURGH CORP For: Jun 30SEC filing · Form 10-Q-8.41%-6.96%
Form 8-K AMPCO PITTSBURGH CORP For: Aug 12SEC filing · Form 8-K-8.41%-6.96%
Form 8-K AMPCO PITTSBURGH CORP For: Jul 18SEC filing · Form 8-K+0.00%+1.21%
Form 8-K AMPCO PITTSBURGH CORP For: Jun 25SEC filing · Form 8-K+0.85%-1.99%
Form SD AMPCO PITTSBURGH CORPSEC filing · Form SD-1.85%-8.33%
Form 10-Q AMPCO PITTSBURGH CORP For: Mar 31SEC filing · Form 10-Q+1.40%-17.19%
Form 8-K AMPCO PITTSBURGH CORP For: May 12SEC filing · Form 8-K+1.40%-17.19%
Form S-8 AMPCO PITTSBURGH CORPSEC filing · Form S-8+1.40%-17.19%
Form 8-K AMPCO PITTSBURGH CORP For: May 08SEC filing · Form 8-K+1.72%-1.72%
Form ARS AMPCO PITTSBURGH CORP For: Dec 31SEC filing · Form ARS+4.70%+0.00%
Form DEF 14A AMPCO PITTSBURGH CORP For: Mar 28SEC filing · Form DEF+0.00%-0.46%
Form 10-K AMPCO PITTSBURGH CORP For: Dec 31SEC filing · Form 10-K+0.00%+0.00%
Form 8-K AMPCO PITTSBURGH CORP For: Mar 12SEC filing · Form 8-K-0.27%+17.30%
Form S-8 POS AMPCO PITTSBURGH CORPSEC filing · Form S-8+1.26%+1.52%
Form 10-Q AMPCO PITTSBURGH CORP For: Sep 30SEC filing · Form 10-Q-6.59%+1.07%
Form 8-K AMPCO PITTSBURGH CORP For: Nov 12SEC filing · Form 8-K+0.81%+5.62%
Form 10-Q AMPCO PITTSBURGH CORP For: Jun 30SEC filing · Form 10-Q-5.56%-5.63%
Form 8-K AMPCO PITTSBURGH CORP For: Aug 12SEC filing · Form 8-K-5.56%-5.63%
Form 8-K AMPCO PITTSBURGH CORP For: Jul 09SEC filing · Form 8-K+4.63%+13.89%
Form 8-K AMPCO PITTSBURGH CORP For: Jul 10SEC filing · Form 8-K+7.14%+30.36%
Form 8-K AMPCO PITTSBURGH CORP For: Jun 04SEC filing · Form 8-K+2.37%+1.57%
Form SD AMPCO PITTSBURGH CORPSEC filing · Form SD-1.22%-3.07%
Form 8-K AMPCO PITTSBURGH CORP For: May 14SEC filing · Form 8-K-1.55%-11.40%
Form 10-Q AMPCO PITTSBURGH CORP For: Mar 31SEC filing · Form 10-Q-1.55%-11.40%
Form DEF 14A AMPCO PITTSBURGH CORP For: Jun 04SEC filing · Form DEF+0.00%-2.79%
Form DEFA14A AMPCO PITTSBURGH CORPSEC filing · Form DEFA14A+0.00%-2.79%
Form ARS AMPCO PITTSBURGH CORP For: Dec 31SEC filing · Form ARS+0.00%-2.79%
Form PRE 14A AMPCO PITTSBURGH CORP For: Jun 04SEC filing · Form PRE+0.00%+6.82%
Form 10-K AMPCO PITTSBURGH CORP For: Dec 31SEC filing · Form 10-K-6.79%-15.38%
Form 8-K AMPCO PITTSBURGH CORP For: Mar 25SEC filing · Form 8-K-6.79%-15.38%
Form 10-Q AMPCO PITTSBURGH CORP For: Sep 30SEC filing · Form 10-Q+0.00%-2.78%
Form 8-K AMPCO PITTSBURGH CORP For: Nov 13SEC filing · Form 8-K+0.00%-2.78%
That’s how AP usually reacts to SEC filings — get an email when it moves on news →
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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.