# EDGAR Filing Document

**Accession Number:** 0001789769
**File Stem:** 0001789769-26-000034
**Filing Date:** 2026-4
**Character Count:** 1193
**Document Hash:** c35906c6d15c8879d4c4a24c3a82e48e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001789769-26-000034.hdr.sgml**: 20260424

**ACCESSION NUMBER**: 0001789769-26-000034

**CONFORMED SUBMISSION TYPE**: ARS

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260424

**DATE AS OF CHANGE**: 20260424

**EFFECTIVENESS DATE**: 20260424

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Instil Bio, Inc.
- **CENTRAL INDEX KEY:** 0001789769
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 832072195
- **STATE OF INCORPORATION:** NY
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** ARS
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40215
- **FILM NUMBER:** 26894474

**BUSINESS ADDRESS:**
- **STREET 1:** 3963 MAPLE AVENUE
- **STREET 2:** SUITE 350
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75219
- **BUSINESS PHONE:** (972) 499-3350

**MAIL ADDRESS:**
- **STREET 1:** 3963 MAPLE AVENUE
- **STREET 2:** SUITE 350
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75219

### Attached PDF Documents

**Attachment 1:** `instilbioinc10-k2025woexs.pdf`

_No text found in this document._