Prothena Corporation plc - Ordinary Shares (PRTA) SEC filings

PRTA SEC filings moved a median of +0.11% by the close. PRTA SEC filings — 10-K, 10-Q, 8-K and the rest — each read against the price at its own news timestamp. Back to the PRTA overview →

61 measured PRTA SEC filing events.

Where these PRTA SEC filings landedvs 61 measured PRTA SEC filing reactions
PRTA SEC filingMiddle 50% · -2.14% to +2.58%Zero: 0.00%Median: +0.11%Median +0.11%-4.00%0+4.00%
Middle 50% of PRTA SEC filing reactions-2.14% to +2.58%
Median reaction (to close)+0.11%
Measured reactions61
Point-in-time · zero look-ahead

Half of the 61 PRTA SEC filing events with a measured close landed between -2.14% and +2.58%; 51% closed up.

DateHeadlineEvent5-minTo close
Form 8-K PROTHENA CORP PUBLIC For: Oct 02SEC filing · Form 8-K-1.69%-0.36%
Form 10-Q PROTHENA CORP PUBLIC For: Jun 30SEC filing · Form 10-Q-2.40%+2.58%
Form 8-K PROTHENA CORP PUBLIC For: Aug 06SEC filing · Form 8-K-2.40%+2.58%
Form 8-K PROTHENA CORP PUBLIC For: May 14SEC filing · Form 8-K+3.67%-0.72%
Form 10-Q PROTHENA CORP PUBLIC For: Mar 31SEC filing · Form 10-Q+0.86%-2.46%
Form 8-K PROTHENA CORP PUBLIC For: May 07SEC filing · Form 8-K+0.86%-2.46%
Form ARS PROTHENA CORP PUBLIC For: Dec 31SEC filing · Form ARS+2.06%+0.11%
Form DEF 14A PROTHENA CORP PUBLIC For: May 14SEC filing · Form DEF+2.06%+0.11%
Form DEFA14A PROTHENA CORP PUBLICSEC filing · Form DEFA14A+2.06%+0.11%
Form EFFECT PROTHENA CORP PUBLICSEC filing · Form EFFECT+0.11%+2.97%
Form 10-K PROTHENA CORP PUBLIC For: Dec 31SEC filing · Form 10-K+0.00%+3.41%
Form 8-K PROTHENA CORP PUBLIC For: Feb 27SEC filing · Form 8-K+0.00%+3.41%
Form POS AM PROTHENA CORP PUBLICSEC filing · Form POS+0.00%+3.41%
Form POSASR PROTHENA CORP PUBLICSEC filing · Form POSASR+0.00%+3.41%
Form 8-K PROTHENA CORP PUBLIC For: Feb 19SEC filing · Form 8-K-2.40%-3.84%
Form 8-K PROTHENA CORP PUBLIC For: Dec 10SEC filing · Form 8-K-1.25%-3.86%
Form 8-K PROTHENA CORP PUBLIC For: Nov 19SEC filing · Form 8-K+2.57%-0.69%
Form 10-Q PROTHENA CORP PUBLIC For: Sep 30SEC filing · Form 10-Q+0.57%+0.67%
Form 8-K PROTHENA CORP PUBLIC For: Nov 06SEC filing · Form 8-K+0.57%+0.67%
Form DEFA14A PROTHENA CORP PUBLICSEC filing · Form DEFA14A+0.57%+0.67%
Form DEF 14A PROTHENA CORP PUBLIC For: Nov 19SEC filing · Form DEF-0.10%+0.78%
Form DEFA14A PROTHENA CORP PUBLICSEC filing · Form DEFA14A-0.10%+0.78%
Form PRE 14A PROTHENA CORP PUBLIC For: Nov 19SEC filing · Form PRE+0.27%+1.62%
Form 8-K PROTHENA CORP PUBLIC For: Aug 27SEC filing · Form 8-K+0.61%+0.24%
Form S-8 PROTHENA CORP PUBLICSEC filing · Form S-8-0.65%-0.39%
Form 8-K PROTHENA CORP PUBLIC For: Aug 06SEC filing · Form 8-K-2.79%+5.32%
Form 10-Q PROTHENA CORP PUBLIC For: Jun 30SEC filing · Form 10-Q+0.43%+0.00%
Form 8-K PROTHENA CORP PUBLIC For: Aug 04SEC filing · Form 8-K+0.43%+0.00%
Form 8-K PROTHENA CORP PUBLIC For: Jul 30SEC filing · Form 8-K+1.14%-0.58%
Form 8-K PROTHENA CORP PUBLIC For: Jun 13SEC filing · Form 8-K+1.60%-3.38%
Form 8-K PROTHENA CORP PUBLIC For: Jun 15SEC filing · Form 8-K+2.47%+3.47%
Form 8-K PROTHENA CORP PUBLIC For: May 23SEC filing · Form 8-K+3.86%-4.38%
Form 8-K PROTHENA CORP PUBLIC For: May 13SEC filing · Form 8-K+2.95%+4.08%
Form 10-Q PROTHENA CORP PUBLIC For: Mar 31SEC filing · Form 10-Q+7.98%+5.84%
Form 8-K PROTHENA CORP PUBLIC For: May 08SEC filing · Form 8-K+7.98%+5.84%
Form ARS PROTHENA CORP PUBLIC For: Dec 31SEC filing · Form ARS-1.34%-2.25%
Form DEF 14A PROTHENA CORP PUBLIC For: May 13SEC filing · Form DEF-1.34%-2.25%
Form DEFA14A PROTHENA CORP PUBLICSEC filing · Form DEFA14A-1.34%-2.25%
Form 10-K PROTHENA CORP PUBLIC For: Dec 31SEC filing · Form 10-K+0.00%+3.27%
Form 8-K PROTHENA CORP PUBLIC For: Feb 20SEC filing · Form 8-K-2.61%-2.20%
Form 8-K PROTHENA CORP PUBLIC For: Dec 29SEC filing · Form 8-K+1.19%-8.40%
Form 10-Q PROTHENA CORP PUBLIC For: Sep 30SEC filing · Form 10-Q+1.21%-0.75%
Form 8-K PROTHENA CORP PUBLIC For: Nov 12SEC filing · Form 8-K+1.21%-0.75%
Form 8-K PROTHENA CORP PUBLIC For: Sep 23SEC filing · Form 8-K-5.15%-15.59%
Form 10-Q PROTHENA CORP PUBLIC For: Jun 30SEC filing · Form 10-Q+0.00%-5.08%
Form 8-K PROTHENA CORP PUBLIC For: Aug 08SEC filing · Form 8-K+0.00%-5.08%
Form S-8 PROTHENA CORP PUBLICSEC filing · Form S-8+0.00%-5.08%
Form 8-K PROTHENA CORP PUBLIC For: May 24SEC filing · Form 8-K+0.28%+0.77%
Form 8-K PROTHENA CORP PUBLIC For: May 14SEC filing · Form 8-K-0.89%+0.27%
Form 10-Q PROTHENA CORP PUBLIC For: Mar 31SEC filing · Form 10-Q-3.27%-1.57%
Form 8-K PROTHENA CORP PUBLIC For: May 08SEC filing · Form 8-K-3.27%-1.57%
Form ARS PROTHENA CORP PUBLIC For: Dec 31SEC filing · Form ARS-1.28%+4.94%
Form DEF 14A PROTHENA CORP PUBLIC For: May 14SEC filing · Form DEF-1.28%+4.94%
Form DEFA14A PROTHENA CORP PUBLICSEC filing · Form DEFA14A-1.28%+4.94%
Form 10-K PROTHENA CORP PUBLIC For: Dec 31SEC filing · Form 10-K+0.93%+0.70%
Form S-3ASR PROTHENA CORP PUBLICSEC filing · Form S-3ASR+0.93%+0.70%
Form 8-K PROTHENA CORP PUBLIC For: Feb 21SEC filing · Form 8-K+1.81%-0.18%
Form 8-K PROTHENA CORP PUBLIC For: Feb 15SEC filing · Form 8-K+2.41%-1.51%
Form 8-K PROTHENA CORP PUBLIC For: Jan 08SEC filing · Form 8-K-4.50%+11.86%
Form 10-Q PROTHENA CORP PUBLIC For: Sep 30SEC filing · Form 10-Q+0.64%-2.14%
Form 8-K PROTHENA CORP PUBLIC For: Nov 02SEC filing · Form 8-K+0.64%-2.14%
That’s how PRTA usually reacts to SEC filings — get an email when it moves on news →
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More PRTA: earnings → · analyst actions → · PRTA 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.