# EDGAR Filing Document

**Accession Number:** 0001840904
**File Stem:** 0001140361-25-046932
**Filing Date:** 2025-12
**Character Count:** 3572
**Document Hash:** 4da57c8e1c99db88a66178720e9f9c2b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-046932.hdr.sgml**: 20251231

**ACCESSION NUMBER**: 0001140361-25-046932

**CONFORMED SUBMISSION TYPE**: 15-12G

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20251231

**DATE AS OF CHANGE**: 20251230

**EFFECTIVENESS DATE**: 20251231

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Atai Beckley N.V.
- **CENTRAL INDEX KEY:** 0001840904
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** P7
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 15-12G
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40493
- **FILM NUMBER:** 251615578

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** PROF. J.H. BAVINCKLAAN 7
- **CITY:** AMSTELVEEN
- **PROVINCE COUNTRY:** P7
- **ZIP:** 1183
- **BUSINESS PHONE:** 49 89 2153 9035

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** PROF. J.H. BAVINCKLAAN 7
- **CITY:** AMSTELVEEN
- **PROVINCE COUNTRY:** P7
- **ZIP:** 1183

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ATAI Life Sciences N.V.
- **DATE OF NAME CHANGE:** 20210622

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** ATAI Life Sciences B.V.
- **DATE OF NAME CHANGE:** 20210115

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### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION

### Washington, D.C. 20549

### FORM 15

#### CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION

#### UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934

#### OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d)

#### OF THE SECURITIES EXCHANGE ACT OF 1934

#### Commission File Number: 001-40493

#### <br>

## ATAI BECKLEY N.V.

#### (Exact name of registrant as specified in its charter)

#### Prof. J.H. Bavincklaan 7

#### 1183 AT Amstelveen

#### The Netherlands

#### +49 89 2153 9035

#### (Address, including zip code, and telephone number, including area code, of registrant's principal executive offices)

#### Common shares, par value €0.10 per share

#### (Title of each class of securities covered by this Form)

#### None

#### (Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

Rule 12g-4(a)(1) ☒

Rule 12g-4(a)(2) ☐

Rule 12h-3(b)(1)(i) <br> ☒

Rule 12h-3(b)(1)(ii) <br> ☐

Rule 15d-6 ☐

Approximate number of holders of record as of the certification or notice date:

Common shares, par value €0.10 per share: 0

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Explanatory Note: On December 30, 2025, Atai Beckley N.V. merged with and into atai Life Sciences Luxembourg S.A. (the "Surviving Company"), with the Surviving Company surviving the merger and thereafter converting into a Delaware corporation (the "Delaware Conversion"). At the effective time of the Delaware Conversion, the Surviving Company changed its name to AtaiBeckley Inc.

Pursuant to the requirements of the Securities Exchange Act of 1934, AtaiBeckley Inc. (formerly atai Life Sciences Luxembourg S.A.), as successor by merger to Atai Beckley N.V., has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

**ATAIBECKLEY INC.**<br> (as successor by merger to Atai Beckley N.V.)<br>

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| | | |
|:---|:---|:---|
| Date: December 30, 2025 | By: | /s/ Ryan Barrett |
|  |  | Ryan Barrett |
|  |  | Chief Legal and Business Officer |

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