# EDGAR Filing Document

**Accession Number:** 0001730463
**File Stem:** 0001193125-26-155644
**Filing Date:** 2026-4
**Character Count:** 3105
**Document Hash:** 67a6405b12aac3182743cc596d246c34
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-155644.hdr.sgml**: 20260415

**ACCESSION NUMBER**: 0001193125-26-155644

**CONFORMED SUBMISSION TYPE**: DEL AM

**PUBLIC DOCUMENT COUNT**: 2

**FILED AS OF DATE**: 20260415

**DATE AS OF CHANGE**: 20260415

**EFFECTIVENESS DATE**: 20260415

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Autolus Therapeutics plc
- **CENTRAL INDEX KEY:** 0001730463
- **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:** DEL AM
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-295004
- **FILM NUMBER:** 26862955

**BUSINESS ADDRESS:**
- **STREET 1:** THE MEDIAWORKS
- **STREET 2:** 191 WOOD LANE
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** W12 7FP
- **BUSINESS PHONE:** 44 20 3829 6230

**MAIL ADDRESS:**
- **STREET 1:** THE MEDIAWORKS
- **STREET 2:** 191 WOOD LANE
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** W12 7FP

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Autolus Therapeutics Ltd
- **DATE OF NAME CHANGE:** 20180205

![LOGO](g126400g29b63.jpg)

**The MediaWorks, 191 Wood Lane** 

**London, W12 7FP, United Kingdom** 

April 14, 2026

**VIA EDGAR** 

United States Securities and Exchange Commission

Division of Corporation Finance

100 F Street, N.E.

Washington, DC 20549

Re: Delaying Amendment for Autolus Therapeutics plc

Registration Statement on Form S-3 (File No. 333-295004)

Ladies and Gentlemen:

Reference is made to the Registration Statement on Form S-3 (File No. 333-295004) filed with the Securities and Exchange Commission (the "Commission") by Autolus Therapeutics plc on April 13, 2026 (the "Registration Statement"). Pursuant to Rule 473(c) of the Securities Act of 1933, as amended (the "Act"), the following delaying amendment, prescribed by Rule 473(a) of the Act, is hereby incorporated into the facing page of the Registration Statement:

"The registrant hereby amends this registration statement on such date or dates as may be necessary to delay its effective date until the registrant shall file a further amendment which specifically states that this registration statement shall thereafter become effective in accordance with section 8(a) of the Securities Act of 1933 or until the registration statement shall become effective on such date as the Commission acting pursuant to said section 8(a), may determine."

No fees are required in connection with this filing. If you have any questions or comments in connection with this delaying amendment, please contact our legal counsel, Cooley LLP, Attention: Christian Plaza (+1 703 456 8006), email: cplaza@cooley.com or, in his absence, Courtney T. Thorne (+44 (0) 20 7556 4420), email: cthorne@cooley.com.

Sincerely,

---

| | |
|:---|:---|
| **AUTOLUS THERAPEUTICS PLC** | **AUTOLUS THERAPEUTICS PLC** |
| By: | /s/ Robert Dolski |
| Name: | Robert Dolski |
| Title: | Chief Financial Officer |

---

cc: Christian Plaza, Cooley LLP

Courtney T. Thorne, Cooley LLP