UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
WASHINGTON,
D.C. 20549
FORM
6-K
REPORT
OF FOREIGN PRIVATE ISSUER
PURSUANT
TO RULE 13a-16 OR 15d-16 UNDER THE
SECURITIES
EXCHANGE ACT OF 1934
For
the month of April 2026
Commission
File Number 001-43042
ATLAS
CRITICAL MINERALS CORPORATION
(Translation
of registrant’s name into English)
Rua
Antônio de Albuquerque, 156, Suite 1720
Belo
Horizonte, Minas Gerais, Brazil, 30112-010
(Address
of principal executive offices)
Indicate
by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:
Form
20-F ☒ Form 40-F ☐
Resignation
of Rodrigo Menck as Chief Financial Officer and Treasurer
On
April 1, 2026, Mr. Rodrigo Menck notified Atlas Critical Minerals Corporation (the “Company”) that he was resigning as the
Company’s Chief Financial Officer (“CFO”) and Treasurer, effective immediately. Mr. Menck resigned for personal reasons
and not from any disagreement with the Company on any matter relating to the Company’s operations, policies, or practices.
Appointment
of Virgilio Lira Santiago as CFO and Treasurer
The
Company’s Board of Directors (the “Board”) approved the appointment of Virgilio Santiago, age 45, as the Company’s
CFO and Treasurer, effective on April 7, 2026 (the “Appointment Date”).
Mr.
Santiago has 20 years of experience in corporate finance, controllership and governance. From January 2024 to April 2026, Mr. Santiago
served as CFO of Araguaia Níquel Metais Ltda., where he oversaw the financial management of a large-scale greenfield nickel project,
having previously served as Controllership Manager from January 2022 to December 2023. From January 2019 to December 2021, Mr. Santiago
held various finance leadership roles at Ausenco Engenharia, including Regional Senior FP&A Manager for Latin America and Finance
Manager for Brazil, overseeing financial planning and analysis. From July 2016 to December 2018, Mr. Santiago served as Controllership
Manager at Boart Longyear Company in Brazil. Mr. Santiago holds a Bachelor of Arts degree in Economics from PUC Minas, graduating in
2006.
In
connection with his appointment and effective as of the Appointment Date, the Compensation Committee of the Board recommended, and the
Board subsequently approved, compensation for Mr. Santiago consisting of: (i) a monthly salary of $12,000, (ii) an annual bonus of $12,000
subject to the timely filing of the Company’s bi-annual financial reporting on Form 6-K, (iii) an annual bonus of $24,000 subject
to the timely filing of the Company’s Annual Report on Form 20-F, (iv) a grant of 10,000 time-based restricted stock units that
shall vest over four years in equal annual installments beginning on the first anniversary of the grant date, subject to Mr. Santiago’s
continued service to the Company as of each applicable vesting date, and (v) reimbursement for health insurance coverage.
There
are no family relationships between Mr. Santiago and any director or executive officer of the Company, and there are no arrangements
or understandings with any other person pursuant to which Mr. Santiago was selected as an officer. The Company is not aware of any related
party transactions involving Mr. Santiago.
SIGNATURES
Pursuant
to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its
behalf by the undersigned hereunto duly authorized.
| Date: April 7, 2026 |
ATLAS CRITICAL
MINERALS CORPORATION |
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|
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By: |
/s/ Marc
Fogassa |
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Marc Fogassa |
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Chief Executive Officer |