# EDGAR Filing Document

**Accession Number:** 0001621227
**File Stem:** 9999999995-25-003290
**Filing Date:** 2025-11
**Character Count:** 1576
**Document Hash:** 1a966f50ff77a3bf1efd2fbaee3d46b3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-003290.hdr.sgml**: 20251117

**ACCESSION NUMBER**: 9999999995-25-003290

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251114

**DATE AS OF CHANGE**: 20251117

**EFFECTIVENESS DATE**: 20251114

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Adaptimmune Therapeutics PLC
- **CENTRAL INDEX KEY:** 0001621227
- **STANDARD INDUSTRIAL CLASSIFICATION:** BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** X0
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-286639
- **FILM NUMBER:** 251489163

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 60 JUBILEE AVENUE
- **STREET 2:** MILTON PARK
- **CITY:** ABINGDON, OXFORDSHIRE
- **PROVINCE COUNTRY:** X0
- **BUSINESS PHONE:** 44 1235 430000

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** 60 JUBILEE AVENUE
- **STREET 2:** MILTON PARK
- **CITY:** ABINGDON, OXFORDSHIRE
- **PROVINCE COUNTRY:** X0

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Adaptimmune Ltd
- **DATE OF NAME CHANGE:** 20141001

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

## Notice of Effectiveness

**Date:** November 14, 2025

**Accession Number:** 0001104659-25-103158

**Form Type:** POS AM

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**CIK:** 0001621227

**Company Name:** Adaptimmune Therapeutics PLC

**File Number:** 333-286639