# EDGAR Filing Document

**Accession Number:** 0001222082
**File Stem:** 0001222082-26-000002
**Filing Date:** 2026-3
**Character Count:** 5606
**Document Hash:** 55b9814b4235dc5fd22b82ae9be12901
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001222082-26-000002.hdr.sgml**: 20260415

**ACCESSION NUMBER**: 0001222082-26-000002

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260318

**FILED AS OF DATE**: 20260318

**DATE AS OF CHANGE**: 20260318

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** BUTITTA CYNTHIA M
- **CENTRAL INDEX KEY:** 0001222082

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-38547
- **FILM NUMBER:** 26771636

**MAIL ADDRESS:**
- **STREET 1:** C/O OLEMA PHARMACEUTICALS, INC.
- **STREET 2:** 780 BRANNAN STREET
- **CITY:** SAN FRANCISCO
- **STATE:** CA
- **ZIP:** 94103
**ISSUER**: 

**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

**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

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>BUTITTA CYNTHIA M<br><sub>(Last) (First) (Middle)</sub><br>c/o Autolus Therapeutics plc<br>The MediaWorks, 191 Wood Ln, White City<br><sub>(Street)</sub><br>London,  W12 7FP<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>Autolus Therapeutics plc [ AUTL ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-03-18 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<br>_ _ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| American Depositary Shares | <sup>(1)</sup> | <sup>(1)</sup> | Ordinary Shares | 10000 | <sup>(1)</sup> | D |  |
| Share Option (right to buy) | <sup>(2)</sup> | 2028-03-08 | American Depositary Shares | 47095 | $8.38 | D |  |
| Share Option (right to buy) | <sup>(2)</sup> | 2029-03-28 | American Depositary Shares | 25000 | $30.24 | D |  |
| Share Option (right to buy) | <sup>(2)</sup> | 2030-06-18 | American Depositary Shares | 12500 | $13.25 | D |  |
| Share Option (right to buy) | <sup>(2)</sup> | 2031-06-18 | American Depositary Shares | 12500 | $7.57 | D |  |
| Share Option (right to buy) | <sup>(2)</sup> | 2032-06-28 | American Depositary Shares | 20000 | $2.84 | D |  |
| Share Option (right to buy) | <sup>(2)</sup> | 2033-06-30 | American Depositary Shares | 105000 | $2.38 | D |  |
| Share Option (right to buy) | <sup>(2)</sup> | 2034-06-28 | American Depositary Shares | 80000 | $3.48 | D |  |
| Share Option (right to buy) | <sup>(3)</sup> | 2035-06-26 | American Depositary Shares | 80000 | $2.32 | D |  |

---

### Footnotes:

(1) Each American Depositary Share is convertible at any time at the option of the Reporting Person into one Ordinary Share.

(2) Fully vested and exercisable.

(3) This option vested or vests in twelve equal monthly installments commencing on July 26, 2025.

**Signature:** /s/ Cynthia Butitta  
**Date:** 2026-03-18

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**