JBIO Jade Biosciences, Inc.

BULLISH Impact: 7/10 8-K
Horizon weeks Filed Jun 1, 2026 Processed 7d 21h ago SEC 0001193125-26-249763
8-K context-dependent: Items 7.01, 8.01
Latest settled — T+5d
JBIO ▼ -8.88% at T+5d
LONG call ✗ call lost -8.88% · α vs SPY -6.13% · entry $18.59 → $16.94
Next anchor: T+20d in 17d
Currently $15.34 · -17.48% from $18.59 entry
Entry anchored
May 29, 03:59 PM ET
via Databento tick
T+1d
-4.52%
call -4.52% · α -4.66%
$17.75
settled 11d ago
T+5d
-8.88%
call -8.88% · α -6.13%
$16.94
settled 5d ago
T+20d
call — · α —
in 17d
T+60d
call — · α —
in 2mo

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Executive Summary

Jade Biosciences reported interim Phase 1 data for JADE101, an anti-APRIL antibody for IgAN. The data showed ~70% mean IgA reduction sustained at 12 weeks at the 700 mg dose, a favorable safety profile, and PK/PD modeling supports every-12-week subcutaneous maintenance dosing. This supports advancing to Phase 2 (JUNIPER, already started) and a planned registrational Phase 3 trial in 1H 2027. The positive clinical data de-risks the program and supports best-in-class positioning in a large $20B+ addressable market.

Actionable Insight

The Phase 1 data strongly supports JADE101's best-in-class potential with Q12W dosing, a key competitive advantage. Monitor JUNIPER Phase 2 interim data expected in 2027 for UPCR-24 results and the planned Phase 3 start in 1H 2027. The stock likely re-rates on pipeline de-risking; watch for near-term volatility from analyst assessments of cross-trial comparisons vs sibeprenlimab/povetacicept.

Key Facts

  • Mean IgA reductions ~70% from baseline sustained at 12 weeks at 700 mg dose
  • Phase 1 healthy volunteer trial (N=32): well-tolerated up to 1,400 mg, no serious adverse events, no discontinuations, no hypogammaglobulinemia
  • IgA-lowering potency ~379-fold higher than sibeprenlimab, ~26-fold higher than povetacicept (cross-study comparison)
  • Half-life at steady state ~24.2 days, ~8.7-fold longer than povetacicept, ~2.6-fold longer than sibeprenlimab
  • Phase 2 IgAN trial (JUNIPER) initiated, interim data expected 2027
  • Registrational Phase 3 trial planned for first half of 2027
  • Cash of $311 million as of March 31, 2026; runway into 1H 2028
  • Company estimates IgAN as $20B+ potential U.S. market alone

Financial Impact

No revenue or financial guidance provided; $311M cash position supports development into 1H 2028

Risk Factors

  • Interim Phase 1 data in healthy volunteers may not fully translate to IgAN patients
  • Cross-study comparisons to competitors are not head-to-head and may overstate differentiation
  • Phase 2/3 clinical or regulatory delays could push timelines
  • IgAN is a competitive landscape with multiple anti-APRIL/BAFF agents in development

Market Snapshot

Exchange
Nasdaq
Sector
Pharmaceutical Preparations
Analyst Consensus
94% bullish (16 analysts)

Documents Analyzed

This report is based on 5 SEC documents filed with EDGAR.

DocumentAccession Number
8-K Filing (Primary)0001193125-26-249763
Document: d124589dex991.htm0001193125-26-249763
Document: 0001193125-26-249763-index-headers.html0001193125-26-249763
Document: 0001193125-26-249763-index.html0001193125-26-249763
Document: 0001193125-26-249763.txt0001193125-26-249763
14 reports for JBIO
Performance horizon
100% Hit rate 6 of 6 directional calls best @ T+20▲ +34.37%May 7, 2026
Filters
Rows
Reports for JBIO — sortable, filterable
Type Now
Jun 5, 2026
7d ago
Press Release
BEARISH ★ 6/10
$16.91 awaiting T+1awaiting T+1$15.34 (+9.28%)
Jun 4, 2026
8d ago
8-K
BEARISH ★ 6/10
$17.52 awaiting T+1awaiting T+1$15.34 (+12.44%)
Jun 4, 2026
8d ago
424B5
BEARISH ★ 7/10
$17.52 awaiting T+1awaiting T+1$15.34 (+12.44%)
Jun 4, 2026
9d ago
Press Release
BEARISH ★ 6/10
$17.74 $16.94▲ +4.51%▲ +1.91%$15.34 (+13.53%)
Jun 3, 2026
9d ago
424B5
BEARISH ★ 6/10
$17.74 $16.94▲ +4.51%▲ +1.94%$15.34 (+13.53%)
Jun 3, 2026
9d ago
Press Release
BEARISH ★ 6/10
$17.74 $16.94▲ +4.51%▲ +1.94%$15.34 (+13.53%)
Jun 1, 2026
11d ago
8-K
BULLISH ★ 7/10
$18.59 $17.75▼ −4.52%▼ −4.66%$15.34 (−17.48%)
May 26, 2026
17d ago
Press Release
NEUTRAL ★ 3/10
$21.50 $20.84▼ −3.07%▼ −3.62%$15.34 (−28.65%)
May 18, 2026
26d ago
EFFECT
BEARISH ★ 7/10
$22.01 $21.88▲ +0.59%▼ −0.06%$15.34 (+30.30%)
May 7, 2026
5w ago
S-3
BEARISH ★ 7/10
$25.81 $24.86▲ +3.68%▲ +3.91%$15.34 (+40.57%)
Showing 10 of 14

US Market Status

Market Closed — Opens Mon (52h 17m)

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