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OBX — Obsidian Therapeutics Inc.

OBX (Obsidian Therapeutics Inc.) stock: $13.87, $856.5M market cap, $355.1M cash, $501.4M EV, $931.8M fully diluted market cap. Next expected readout: Jun-29. Lead program: OBX-115 (Tumor Skin), Phase 2. Data from Fully Diluted's biotech stocks database.

What they do

Obsidian Therapeutics is a clinical-stage biotechnology company pioneering engineered cell and gene therapies, developing its cytoDRiVE platform to create controllable cell therapies with initial programs in oncology.

Source: company website via company website

Share price
$13.87
Market cap
$856.5M
Cash
$355.1M
Enterprise value
$501.4M

Balance sheet

Cash$355.1M
Debt$0.0M
Net cash$355.1M
Enterprise value$501.4M
Basic shares61.8M shares
Fully diluted shares67.2M shares
Fully diluted market cap$931.8M
Cash per share$5.75
Quarterly burn+$0.0M generated

Cash figures as of 2026-06-30. Database snapshot: 2026-11-07.

Share structure

Common
61.8M
Pre-funded warrants
0.0M
Options
5.4M
RSUs
0.0M
Warrants
0.0M
Converts
0.0M
Conv preferred
0.0M
ESPP reserve
—
FDSO
67.2M

Cap table as of 2026-08-10.

Price history

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Next catalyst

amsoki-cel (OBX-115) · Est. Jun 30, 2027 · PCD + 6 wks · guided in 8 mo

Recently reported

OBX-115 Phase 1/2 Mixed · 2026-11-06
OBX-115 · tumor skin, metastatic melanoma, melanoma
Primary: Objective response rate (per RECIST v1.1) at the recommended phase 2 dose in the Phase 1/2 Agni-01 study (lead efficacy measure reported in the release) — 67% objective response rate (ORR) (per RECIST v1.1), including 2 confirmed complete responses (CR) and 8 confirmed partial responses (PR), among 15 patients treated at the recommended phase 2 dose
· Median progression-free survival (mPFS) was 8.3 months and median duration of response (mDOR) was not reached
· 33% of all patients treated at RP2D (5/15) remained in deep, ongoing response at 12 months post-infusion
· Median study follow-up was 14.3 months
· 93% of patients had previously received doublet ICI, and 73% had disease progression after anti-PD-1 + anti-CTLA-4 doublet therapy
· Topline data from the registration-enabling cohort of Agni-01 expected by year-end 2027
Safety: In the pooled safety set (n=37), no dose-limiting toxicities (DLT), treatment-related mortality (TRM), immune effector cell-associated neurotoxicity syndrome (ICANS) or ICU transfers; one reported Grade 3 cytokine release syndrome (CRS)
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