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Praxis Precision Medicines Inc. (PRAX) FDA catalysts & readout calendar

Updated ·next FDA decision on the calendar
Praxis Precision Medicines Inc. · 2 upcoming · 0 past FDA decisions

Upcoming FDA catalysts

PRAX · Dec 27, 2026Relutrigine (PRAX-562) - (EMBOLD): Developmental epileptic encephalopathies (DEEs)PRAX · Jan 29, 2027ulixacaltamide
Full PDUFA calendar →All FDA decisions →Phase readouts →
See the full 2026 PDUFA calendar →

This page aggregates PRAX's FDA catalysts from pdufa.bio's own calendar and decision archive. Each item links to its source page. Facts and dates only; verify against primary FDA / SEC / company filings.

PRAX run-up, measured

Computed from this stock's own daily closing prices, on the same T-120 basis as the run-up study: the baseline is the close 120 trading sessions before the eve of the decision. These are measurements of what already happened, not predictions.

Run-up so far, this catalyst
Since its T-120 baseline on 2026-07-08 ($332.99), PRAX is +3.5% to $344.75 at the close on 2026-08-28. The highest close since that baseline is +16.0% above it.
38 of 120 sessions elapsed, 82 to go. Cohort context: across 1,839 past decisions the median peak from T-120 was 17.7% and the median move to the day before the decision was 2.0%.
PRAX's past FDA decisions (n=1)
DecisionOutcomeT-120 to eveT-120 to peak
2024-03-26CRL+101.6%+132.2%
With only one decision on record, no median is shown: an average of 1 event would not be a meaningful statistic. The individual figures above are exact. For a statistical base see the run-up study, built on 1,839 decisions.

Common questions

When is the next FDA decision or readout for Praxis Precision Medicines Inc. (PRAX)?

December 27, 2026. The next catalyst for Praxis Precision Medicines Inc. is Relutrigine (PRAX-562) - (EMBOLD) (PDUFA). That date is a confirmed date. One further catalyst is scheduled after it. Dates are taken from FDA notices, company filings or ClinicalTrials.gov, and we do not publish a specific day when the source only gives a month or a quarter.

How has PRAX stock moved into its FDA decisions?

Measured from this company's own daily closing prices: Since its T-120 baseline on 2026-07-08 ($332.99), PRAX is +3.5% to $344.75 at the close on 2026-08-28. The highest close since that baseline is +16.0% above it. These are historical measurements of what already happened, not forecasts, and we publish no price targets or probability of approval.

Where does this PRAX data come from?

FDA publications, company filings with the SEC, company press releases and ClinicalTrials.gov, with share prices measured from daily closing data. Every date and outcome links the document it came from. Where an outcome was inferred from the price reaction rather than read from a filing, the page says so on its face.