Tether entities report 8.1% Antalpha (ANTA) stake after internal share transfer

Rhea-AI Filing Summary

Tether-affiliated entities updated their ownership disclosure in Antalpha Platform Holding Co. The group of reporting persons continues to beneficially own 1,950,000 Class A Ordinary Shares, representing 8.1% of Antalpha’s outstanding Ordinary Shares based on 23,980,257 shares outstanding as of December 31, 2025.

Effective June 12, 2026, Tether Investments, S.A. de C.V. transferred 1,950,000 Ordinary Shares to Tether International, S.A. de C.V. This was an internal transfer among related entities and did not change the aggregate number of shares beneficially owned by the reporting persons. Voting and dispositive power over these shares is shared among the reporting persons other than Tether Investments.

Key Figures

Beneficial ownership: 1,950,000 shares Ownership percentage: 8.1% Shares outstanding: 23,980,257 shares +1 more

4 metrics

Beneficial ownership 1,950,000 shares Class A Ordinary Shares of Antalpha beneficially owned by reporting persons

Ownership percentage 8.1% Portion of Antalpha Ordinary Shares represented by 1,950,000 shares

Shares outstanding 23,980,257 shares Antalpha Ordinary Shares outstanding as of December 31, 2025

Internal transfer amount 1,950,000 shares Ordinary Shares transferred from Tether Investments to Tether International on June 12, 2026

Key Terms

beneficially own, shared voting and dispositive power, Schedule 13D, pecuniary interest, +1 more

5 terms

beneficially own financial

"The Reporting Persons beneficially own an aggregate of 1,950,000 Ordinary Shares, representing 8.1% of the outstanding Ordinary Shares."

Beneficially own means having the economic rights and risks of a security—such as the right to receive dividends, sell the shares, or profit from price changes—whether or not your name appears on the official share register. Think of it like renting a car: you use it and reap the benefits even if the title lists someone else. Investors care because beneficial ownership determines who truly controls value, must be disclosed under securities rules, and can signal potential influence or trading activity that affects a stock’s price.

shared voting and dispositive power financial

"Each of the Reporting Persons (other than Tether Investments) has shared voting and dispositive power with respect to the beneficially owned 1,950,000 Ordinary Shares."

Schedule 13D regulatory

"This statement on amends the of Tether Global Investments Fund... originally filed ... on October 24, 2025 ... with respect to the Class A Ordinary Shares."

A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.

pecuniary interest financial

"The reporting person disclaims beneficial ownership of these shares except to the extent of the reporting person's pecuniary interest."

Ordinary Shares financial

"Includes 1,950,000 Class A Ordinary Shares, par value $0.001 per share ("Ordinary Shares") of Antalpha Platform Holding Company."

Ordinary shares are a type of ownership stake in a company, giving shareholders a right to participate in the company’s profits and decision-making through voting. They are similar to owning a piece of a business, and their value can rise or fall based on the company's performance. Investors buy ordinary shares to potentially earn dividends and benefit from the company's growth over time.

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Available on EDGAR 06/16/2026 - 01:16 PM Accepted by SEC EDGAR 06/16/2026 - 01:16 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)

Antalpha Platform Holding Co

(Name of Issuer)

Class A Ordinary Shares

(Title of Class of Securities)

G0395R106

(CUSIP Number)

Tether Global Investments Fund
Final Av. La Revolucion, Edif. Centro, Corporativo Presidente Plaza, Nivel 12
San Salvador, H3, 00000
4420 4621 1793

Daniel Woodard
McDermott Will & Schulte LLP, One Vanderbilt Avenue
New York, NY, 10017
(212) 547-5400

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

06/12/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): G0395R106

1

Name of reporting person

Tether Global Investments Fund, S.I.C.A.F., S.A.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

EL SALVADOR

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,950,000.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,950,000.00

11

Aggregate amount beneficially owned by each reporting person

1,950,000.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

8.1 %

14

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person:

Note in relation to Items 8, 10 and 11: Includes 1,950,000 Class A Ordinary Shares, par value $0.001 per share ("Ordinary Shares") of Antalpha Platform Holding Company (the "Issuer") held by Tether International, S.A. de C.V., a controlled subsidiary of Tether Global Investments Fund, S.I.C.A.F., S.A. Note in relation to Item 13: This percentage is calculated based upon 23,980,257 Ordinary Shares outstanding on December 31, 2025, as reported in the Issuer's Annual Report on Form 20-F filed with the Securities and Exchange Commission on April 14, 2026.

SCHEDULE 13D

CUSIP Number(s): G0395R106

1

Name of reporting person

Tether Investments, S.A. de C.V.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

EL SALVADOR

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

0.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

0 %

14

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13D

CUSIP Number(s): G0395R106

1

Name of reporting person

Tether International, S.A. de C.V.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

EL SALVADOR

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,950,000.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,950,000.00

11

Aggregate amount beneficially owned by each reporting person

1,950,000.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

8.1 %

14

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person:

Note in relation to Item 13: This percentage is calculated based upon 23,980,257 Ordinary Shares outstanding on December 31, 2025, as reported in the Issuer's Annual Report on Form 20-F filed with the Securities and Exchange Commission on April 14, 2026.

SCHEDULE 13D

CUSIP Number(s): G0395R106

1

Name of reporting person

Giancarlo Devasini

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

ITALY

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 1,950,000.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 1,950,000.00

11

Aggregate amount beneficially owned by each reporting person

1,950,000.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

8.1 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Note in relation to Items 8, 10 and 11: Includes 1,950,000 Ordinary Shares held by Tether International, S.A. de C.V., a controlled subsidiary of Tether Global Investments Fund, S.I.C.A.F., S.A. Mr. Devasini has a greater than 50% voting interest in Tether Global Investments Fund, S.I.C.A.F., S.A. The reporting person disclaims beneficial ownership of these shares except to the extent of the reporting person's pecuniary interest. Note in relation to Item 13: This percentage is calculated based upon 23,980,257 Ordinary Shares outstanding on December 31, 2025, as reported in the Issuer's Annual Report on Form 20-F filed with the Securities and Exchange Commission on April 14, 2026.

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Class A Ordinary Shares
(b)	Name of Issuer: Antalpha Platform Holding Co
(c)	Address of Issuer's Principal Executive Offices: 7 TEMASEK BOULEVARD, #31-02, SUNTEC TOWER ONE, Singapore, SINGAPORE , 038987.
Item 1 Comment: This statement on Schedule 13D amends the Schedule 13D of Tether Global Investments Fund, S.I.C.A.F., S.A., an El Salvador entity, Tether Investments, S.A. de C.V., an El Salvador entity ("Tether Investments") and Giancarlo Devasini that was originally filed with the Securities and Exchange Commission (the "SEC") on October 24, 2025 (as amended, the "Schedule 13D") with respect to the Class A Ordinary Shares, par value $0.001 per share ("Ordinary Shares") of Antalpha Platform Holding Company, a company incorporated in the Cayman Islands (the "Issuer"). This amendment to the Schedule 13D is being filed by Tether Global Investments Fund, S.I.C.A.F., S.A., Tether International, S.A. de C.V., an El Salvador entity, Tether Investments, and Giancarlo Devasini (collectively, the "Reporting Persons") and constitutes Amendment No. 1 to the Schedule 13D. Capitalized terms used but not defined herein have the meanings given to such terms in the Schedule 13D. Except as set forth herein, the Schedule 13D is unmodified.
Item 4.	Purpose of Transaction
	Item 4 is hereby amended and supplemented to add the following: Effective on June 12, 2026, Tether Investments transferred 1,950,000 Ordinary Shares to Tether International, S.A. de C.V. (the "Transfer"). The Transfer resulted in no change in the aggregate number of Ordinary Shares beneficially owned by the Reporting Persons.
Item 5.	Interest in Securities of the Issuer
(a)	The Reporting Persons beneficially own an aggregate of 1,950,000 Ordinary Shares, representing 8.1% of the outstanding Ordinary Shares. This percentage is calculated based upon 23,980,257 Ordinary Shares outstanding December 31, 2025, as reported in the Issuer's Annual Report on Form 20-F filed with the Securities and Exchange Commission on April 14, 2026.
(b)	Each of the Reporting Persons (other than Tether Investments) has shared voting and dispositive power with respect to the beneficially owned 1,950,000 Ordinary Shares.
(c)	Except for the Transfer, no transactions in the Ordinary Shares were effected by the Reporting Persons since the Reporting Persons' in the last 60 days.
(d)	None.
(e)	Not applicable.
Item 7.	Material to be Filed as Exhibits.
	Schedule A - Executive Officers and Directors Exhibit 1 - Agreement of filing persons relating to filing of joint statement per Rule 13d-1(k).

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Tether Global Investments Fund, S.I.C.A.F., S.A.

Signature:	/s/ Omar Rossi
Name/Title:	Omar Rossi, Sole Administrator
Date:	06/16/2026

Tether Investments, S.A. de C.V.

Signature:	/s/ Giancarlo Devasini
Name/Title:	Giancarlo Devasini, Sole Administrator
Date:	06/16/2026

Tether International, S.A. de C.V.

Signature:	/s/ Giancarlo Devasini
Name/Title:	Giancarlo Devasini, Sole Administrator
Date:	06/16/2026

Giancarlo Devasini

Signature:	/s/ Giancarlo Devasini
Name/Title:	Giancarlo Devasini, individually
Date:	06/16/2026

FAQ

How many Antalpha (ANTA) shares do the Tether reporting persons currently beneficially own?

The reporting persons beneficially own 1,950,000 Class A Ordinary Shares of Antalpha Platform Holding Co. This stake represents an 8.1% interest in the company’s outstanding Ordinary Shares, based on 23,980,257 shares outstanding as of December 31, 2025.

What transaction triggered this Antalpha (ANTA) Schedule 13D/A amendment?

The amendment reflects an internal transfer of 1,950,000 Ordinary Shares effective June 12, 2026. Tether Investments, S.A. de C.V. transferred these shares to Tether International, S.A. de C.V., without changing the reporting persons’ total beneficial ownership in Antalpha.

Did the Tether group’s overall ownership percentage in Antalpha (ANTA) change in this filing?

No, the filing states the reporting persons still beneficially own 8.1% of Antalpha’s Ordinary Shares. The 1,950,000-share position remained the same; only the internal ownership among Tether-affiliated entities was reallocated through the June 12, 2026 transfer.

Which Tether entities are listed as reporting persons for Antalpha (ANTA)?

Reporting persons include Tether Global Investments Fund, S.I.C.A.F., S.A., Tether International, S.A. de C.V., Tether Investments, S.A. de C.V., and Giancarlo Devasini. Tether Investments now reports zero shares, following the transfer to Tether International, S.A. de C.V.

How is the 8.1% ownership stake in Antalpha (ANTA) calculated in this filing?

The 8.1% figure is based on 1,950,000 Ordinary Shares beneficially owned out of 23,980,257 Ordinary Shares outstanding. The outstanding share count comes from Antalpha’s Annual Report on Form 20-F for the year ended December 31, 2025, filed April 14, 2026.

What voting and dispositive powers do the reporting persons have over Antalpha (ANTA) shares?

The filing states that, other than Tether Investments, each reporting person has shared voting and dispositive power over the 1,950,000 Ordinary Shares. No sole voting or sole dispositive power is reported for any of the listed reporting persons.