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Home › PDUFA Calendar › IBRX

ImmunityBio, Inc. (IBRX) FDA catalysts & readout calendar

Updated ·next FDA decision on the calendar
ImmunityBio, Inc. · 1 upcoming · 4 past FDA decisions

Upcoming FDA catalysts

IBRX · Jan 6, 2027ANKTIVA (N-803) + BCG: BCG-unresponsive papillary NMIBC

FDA decision history (4)

Jan 16, 2026✕ CRLFDA decisionNov 5, 2025unverifiedFDA decisionAug 13, 2025unverifiedFDA decisionFeb 19, 2025✓ ApprovedFDA decision

Clinical readouts (1)

2026-09ALT-803
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This page aggregates IBRX'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.

IBRX 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 2026-07-16 ($7.45), IBRX is +8.1% to $8.05 at the close on 2026-08-28. The highest close since that baseline is +12.8% above it.
32 of 120 sessions elapsed, 88 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%.
IBRX's past FDA decisions (n=10)
DecisionOutcomeT-120 to eveT-120 to peak
2026-01-16CRL+38.1%+38.1%
2025-11-05CRL-16.5%+38.2%
2025-08-13CRL-36.7%+0.0%
2025-02-19APPROVAL-21.2%+45.2%
2024-04-22APPROVAL+157.1%+201.0%
2023-05-11CRL+2.8%+11.9%
2022-06-06CRL-37.8%+28.3%
2022-03-02CRL-36.3%+4.2%
2021-10-19CRL-53.8%+0.0%
2021-09-13CRL-74.0%+0.0%
Median across these 10 decisions: -28.7% from T-120 to the eve, +20.1% to the peak. A median over 10 events describes this stock's past only. It is not a forecast, and the cohort figures on the run-up study are the larger statistical base.

Common questions

When is the next FDA decision or readout for ImmunityBio, Inc. (IBRX)?

September 2026. The next catalyst for ImmunityBio, Inc. is ALT-803 (readout). That date is known to the month only. 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 Dates are taken from FDA notices, company filings or ClinicalTrials.gov, and we do not publish a specific day when the source only gives a month or a quarter.

Has ImmunityBio, Inc. (IBRX) had an FDA decision before?

Yes, 4 in our archive: 1 approval(s) and 3 Complete Response Letter(s). The most recent was on January 16, 2026 and was a Complete Response Letter. Each one has its own page with the source document and the share-price reaction we measured.

How has IBRX stock moved into its FDA decisions?

Measured from this company's own daily closing prices: Median across these 10 decisions: -28.7% from T-120 to the eve, +20.1% to the peak. These are historical measurements of what already happened, not forecasts, and we publish no price targets or probability of approval.

Where does this IBRX 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.