# EDGAR Filing Document

**Accession Number:** 0002007919
**File Stem:** 9999999995-25-001825
**Filing Date:** 2025-6
**Character Count:** 1457
**Document Hash:** 1879a45087b755558281b977daded4ef
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-001825.hdr.sgml**: 20250605

**ACCESSION NUMBER**: 9999999995-25-001825

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250604

**DATE AS OF CHANGE**: 20250605

**EFFECTIVENESS DATE**: 20250604

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Inhibrx Biosciences, Inc.
- **CENTRAL INDEX KEY:** 0002007919
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 990613523
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-280127
- **FILM NUMBER:** 251024935

**BUSINESS ADDRESS:**
- **STREET 1:** 11025 N. TORREY PINES ROAD, SUITE 140
- **CITY:** LA JOLLA
- **STATE:** CA
- **ZIP:** 92037
- **BUSINESS PHONE:** (858) 795-4220

**MAIL ADDRESS:**
- **STREET 1:** 11025 N. TORREY PINES ROAD, SUITE 140
- **CITY:** LA JOLLA
- **STATE:** CA
- **ZIP:** 92037

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Ibex SpinCo, Inc.
- **DATE OF NAME CHANGE:** 20240111

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** June 4, 2025

**Accession Number:** 0002007919-25-000075

**Form Type:** POS AM

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**CIK:** 0002007919

**Company Name:** Inhibrx Biosciences, Inc.

**File Number:** 333-280127