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AtaiBeckley deregisters stock plan shares post-merger

AtaiBeckley Inc. terminates its equity plan registrations and deregisters remaining S-8 shares after being acquired and becoming a wholly owned Eli Lilly subsidiary.

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Form Type
POS AM

Rhea-AI Filing Summary

AtaiBeckley Inc. (ATAI) is filing post-effective amendments to two Form S-8 registration statements to deregister all remaining shares of its common stock that were registered for issuance under its 2021 Incentive Award Plan and 2020 Employee, Director and Consultant Equity Incentive Plan.

The amendments follow the completion of a merger on September 11, 2026, in which Albali Acquisition Corporation, an indirect wholly owned subsidiary of Eli Lilly and Company, merged with and into AtaiBeckley Inc., leaving AtaiBeckley as the surviving corporation and a wholly owned subsidiary of Eli Lilly. As a result, all offerings and sales under the S-8 registration statements have been terminated, and after these amendments there will be no remaining securities registered under those statements.

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Merger Agreement date July 15, 2026 Date of Agreement and Plan of Merger among AtaiBeckley Inc., Eli Lilly and Company, and Albali Acquisition Corporation
Merger closing date September 11, 2026 Date Albali Acquisition Corporation merged with and into AtaiBeckley Inc.
Registered securities remaining after amendments 0 shares Company states there will be no remaining securities registered under the affected Form S-8 registration statements
Post-Effective Amendments regulatory
"These Post-Effective Amendments are being filed by AtaiBeckley Inc."
Post-effective amendments are official updates filed with securities regulators after a registration statement or prospectus has become effective, used to correct, add, or clarify information about a securities offering. They matter to investors because they change the facts investors rely on—like terms, risks, or financial details—similar to a company releasing an updated product manual after launch; those changes can affect the value or risk of an investment decision.
Registration Statements on Form S-8 regulatory
"under the following Registration Statements on Form S-8"
Agreement and Plan of Merger regulatory
"pursuant to an Agreement and Plan of Merger"
An Agreement and Plan of Merger is a formal document where two companies agree to combine into one, outlining how the process will happen. It’s like a step-by-step plan for merging, and it matters because it shows both sides have agreed on the details before the official transition takes place.
wholly owned subsidiary financial
"becoming a wholly owned subsidiary of Parent"
A wholly owned subsidiary is a company whose entire ownership is held by another company (the parent), so the parent controls decisions, operations, and finances. Think of it as a fully controlled branch that runs as its own legal entity but whose results flow straight into the parent’s financial statements; investors watch these structures because they affect consolidated revenue, risk exposure, and how profits, liabilities, and cash flow are allocated across the corporate group.
Rule 478 regulatory
"in reliance upon Rule 478 under the Securities Act of 1933"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What action is AtaiBeckley Inc. (ATAI) taking in this post-effective amendment?

AtaiBeckley Inc. is filing post-effective amendments to its Form S-8 registration statements to deregister all remaining shares of common stock that were registered but unsold or unissued under its 2021 Incentive Award Plan and 2020 Employee, Director and Consultant Equity Incentive Plan.

Why is AtaiBeckley Inc. (ATAI) deregistering the remaining S-8 shares?

The company is deregistering these shares because, following completion of a merger on September 11, 2026 with a subsidiary of Eli Lilly and Company, it has terminated all offerings and sales of securities under the Form S-8 registration statements.

What was the merger transaction involving AtaiBeckley Inc. (ATAI)?

On September 11, 2026, Albali Acquisition Corporation, an indirect wholly owned subsidiary of Eli Lilly and Company, merged with and into AtaiBeckley Inc. under a Merger Agreement dated July 15, 2026, with AtaiBeckley continuing as the surviving corporation and becoming a wholly owned subsidiary of Eli Lilly.

Which AtaiBeckley Inc. equity plans are affected by this deregistration?

The deregistration applies to shares registered under the AtaiBeckley Inc. 2021 Incentive Award Plan and the 2020 Employee, Director and Consultant Equity Incentive Plan, removing all securities that remained unsold or unissued under the corresponding Form S-8 registration statements.

Will any securities remain registered by AtaiBeckley Inc. under these S-8 statements?

No. The company states that after giving effect to these post-effective amendments, there will be no remaining securities registered by AtaiBeckley Inc. pursuant to the affected Form S-8 registration statements.

Where can investors find the full terms of the AtaiBeckley Inc. merger?

The company states that the Merger Agreement is attached as Exhibit 2.1 to its Current Report on Form 8-K filed on July 16, 2026, which provides the complete terms of the merger and related transactions.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Learn about SEC filing dates
As filed with the Securities and Exchange Commission on September 11, 2026
Registration No. 333-257482
Registration No. 333-294123

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


POST-EFFECTIVE AMENDMENT NO. 2 TO FORM S-8 REGISTRATION STATEMENT NO. 333-257482
POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-294123

FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933



AtaiBeckley Inc.
(Exact name of registrant as specified in its charter)



Delaware
 
41-3357923
(State or other jurisdiction of
incorporation or organization)
 
(I.R.S. Employer
Identification Number)

Eli Lilly and Company Global Headquarters
Lilly Corporate Center
Indianapolis, Indiana 46285
(Address of Principal Executive Offices)
 
 
46285
(Zip Code)

AtaiBeckley Inc. 2021 Incentive Award Plan
2020 Employee, Director and Consultant Equity Incentive Plan
(Full title of the Plans)
 
Jonathan R. Haug
President
AtaiBeckley Inc.
Eli Lilly and Company Global Headquarters
Lilly Corporate Center
Indianapolis, Indiana 46285
(Name and address of agent for service)
 
(317) 276-2000
(Telephone number, including area code, of agent for service)



Copy to:

Emily Oldshue
Nicholas Roper
Ropes & Gray LLP
Prudential Tower, 800 Boylston Street
Boston, Massachusetts 02199
(617) 951-7000



Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer
Accelerated filer
       
Non-accelerated filer
Smaller reporting company
       
   
Emerging growth company
 
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 7(a)(2)(B) of the Securities Act.  ☐
 


DEREGISTRATION OF SECURITIES
 
These Post-Effective Amendments (these “Post-Effective Amendments”) are being filed by AtaiBeckley Inc. (the “Registrant”) to deregister all shares of the Registrant’s common stock, par value $0.01 per share (the “Shares”), that remain unsold or otherwise unissued under the following Registration Statements on Form S-8 (each, a “Registration Statement”, and collectively, the “Registration Statements”) previously filed with the U.S. Securities and Exchange Commission (the “SEC”):

 
Registration Statement No. 333-257482, filed with the SEC by a predecessor issuer to the Registrant on June 28, 2021, as amended by Post-Effective Amendment No.1 thereto filed on December 31, 2025, pertaining to the registration of (i) 61,927,910 Shares that are or may become issuable under the Registrant’s 2021 Incentive Award Plan and (ii) 18,525,696 Shares that are issuable under the Registrant’s 2020 Employee, Director and Consultant Equity Incentive Plan.


Registration Statement No. 333-294123, filed with the SEC on March 6, 2026, pertaining to the registration of (i) an additional 27,971,012 Shares that have been automatically added to the number of Shares authorized for issuance under the Registrant’s 2021 Incentive Award Plan and (ii) an additional 701,945 Shares that became or may become issuable under the Registrant’s 2021 Incentive Award Plan.

On September 11, 2026, pursuant to an Agreement and Plan of Merger (the “Merger Agreement”), dated as of July 15, 2026, by and among the Registrant, Eli Lilly and Company, an Indiana corporation (“Parent”), and Albali Acquisition Corporation, a Delaware corporation and an indirect wholly owned subsidiary of Parent (“Merger Sub”), Merger Sub merged with and into the Registrant (the “Merger”), with the Registrant continuing as the surviving corporation and becoming a wholly owned subsidiary of Parent. As a result of the transactions contemplated by the Merger Agreement, the Registrant has terminated any and all offerings and sales of securities pursuant to the Registration Statements. In accordance with the undertakings made by the Registrant in each Registration Statement to remove from registration, by means of a post-effective amendment, any of the securities of the Registrant registered under such Registration Statement which remain unsold at the termination of the offering, the Registrant hereby terminates the effectiveness of each Registration Statement and removes from registration all of the securities that remain unsold under each Registration Statement as of the date hereof, if any. Each Registration Statement is hereby amended, as appropriate, to reflect the deregistration of such securities. After giving effect to these Post-Effective Amendments, there will be no remaining securities registered by the Registrant pursuant to the Registration Statements.
 
The foregoing description of the Merger, the Merger Agreement and the transactions contemplated thereby does not purport to be complete and is subject to, and qualified in its entirety by, the Merger Agreement, which is attached as Exhibit 2.1 to the Registrant’s Current Report on Form 8-K filed with the SEC on July 16, 2026.


SIGNATURE
 
Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused these Post-Effective Amendments to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Indianapolis, State of Indiana, on September 11, 2026.

 
ATAIBECKLEY INC.
     
 
By:
/s/ Jonathan R. Haug
   
Name: Jonathan R. Haug
   
Title:   President
 
No other person is required to sign these Post-Effective Amendments in reliance upon Rule 478 under the Securities Act of 1933, as amended.



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