Insider filing report for Changes in Beneficial Ownership
- Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
- Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
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- Peter Lynch
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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549 |
SCHEDULE 13D
Under the Securities Exchange Act of 1934
(Amendment No. 1)*
|
CYPHERPUNK TECHNOLOGIES INC. (Name of Issuer) |
Common Stock, par value $0.001 per share (Title of Class of Securities) |
52187K200 (CUSIP Number) |
William McEvoy Winklevoss Treasury Investments, LLC, 301 N Market Street Suite 1463 Wilmington, DE, 19801 646-751-4444 (Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications) |
10/08/2025 (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).
SCHEDULE 13D
|
| CUSIP No. | 52187K200 |
| 1 |
Name of reporting person
Winklevoss Capital Fund, LLC | ||||||||
| 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
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
12,084,463.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
19.9 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
|
| CUSIP No. | 52187K200 |
| 1 |
Name of reporting person
Winklevoss Treasury Investments, LLC | ||||||||
| 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
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
12,084,463.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
19.9 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
|
| CUSIP No. | 52187K200 |
| 1 |
Name of reporting person
Winklevoss Capital Management, LLC | ||||||||
| 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
DELAWARE
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
12,084,463.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
19.9 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
OO |
SCHEDULE 13D
|
| CUSIP No. | 52187K200 |
| 1 |
Name of reporting person
Tyler Howard Winklevoss | ||||||||
| 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)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
12,084,463.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
19.9 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| CUSIP No. | 52187K200 |
| 1 |
Name of reporting person
Cameron Howard Winklevoss | ||||||||
| 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)
AF | ||||||||
| 5 |
Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)
![]() | ||||||||
| 6 | Citizenship or place of organization
UNITED STATES
| ||||||||
| Number of Shares Beneficially Owned by Each Reporting Person With: |
| ||||||||
| 11 | Aggregate amount beneficially owned by each reporting person
12,084,463.00 | ||||||||
| 12 | Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)
![]() | ||||||||
| 13 | Percent of class represented by amount in Row (11)
19.9 % | ||||||||
| 14 | Type of Reporting Person (See Instructions)
IN |
SCHEDULE 13D
|
| Item 1. | Security and Issuer | |
| (a) | Title of Class of Securities:
Common Stock, par value $0.001 per share | |
| (b) | Name of Issuer:
CYPHERPUNK TECHNOLOGIES INC. | |
| (c) | Address of Issuer's Principal Executive Offices:
47 Thorndike Street, Suite B1-1, Cambridge,
MASSACHUSETTS
, 02141. | |
Item 1 Comment:
This Amendment No. 1 (this "Amendment No. 1" or this "Schedule 13D/A") amends and supplements the statement on Schedule 13D originally filed with the Securities and Exchange Commission (the "SEC") on October 16, 2025 (the "Statement") by the Reporting Persons. Unless otherwise defined herein, capitalized terms used in this Amendment No. 1 shall have the meanings ascribed to them in the Statement. Unless amended or supplemented below, the information in the Statement remains unchanged. | ||
| Item 4. | Purpose of Transaction | |
Item 4 of the Statement is hereby amended and supplemented as follows: On October 8, 2025, WTI ("Assignor") entered into a Warrant Assignment and Assumption Agreement (the "Agreement" with Who Datz LLC, a Wyoming LLC ("Assignee"), pursuant to which Assignor irrevocably conveyed, transferred, assigned and delivered unto Assignee and its successors and assigns, forever, free and clear of any and all liens, claims and encumbrances of any nature whatsoever, all right, title, and interest in and to (i) Common Warrants to purchase up to an aggregate of 5,616,906 shares of Common Stock (the "Assigned Common Warrant Portion"), (ii) all rights and obligations appurtenant to and inherent in the Assigned Common Warrant Portion, and (iii) any transferable rights affecting or relating to the Assigned Common Warrant Portion, for no additional consideration. | ||
| Item 5. | Interest in Securities of the Issuer | |
| (a) | The Reporting Persons each beneficially own an aggregate of 12,084,463 shares of Common Stock (including 3,800,702 shares of Common Stock issuable upon exercise of Pre-Funded Warrants or Common Warrants) (the "Subject Shares") which represent approximately 19.99% of the outstanding shares of Common Stock, based on 56,651,840 shares of Common Stock outstanding as of November 10, 2025, and assumes the exercise of certain of the Pre-Funded Warrants or Common Warrants in an amount not to exceed the Beneficial Ownership Limitation. The Reporting Persons disclaim beneficial ownership of the shares of Common Stock owned by Howard Winklevoss, the father of Tyler Winklevoss and Cameron Winklevoss. Each of the Reporting Persons may be deemed to have the shared power to vote or direct the vote of (and the shared power to dispose or direct the disposition of) all of the Subject Shares. | |
| (b) | See Items 7-11 of the cover pages and Item 5(a) above. | |
| (c) |
Except as set forth in Item 4 of the Schedule 13D/A, no transactions in the shares of Common Stock have been effected by the Reporting Persons in the past sixty (60) days. | |
| (d) | No person other than the Reporting Persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Subject Shares beneficially owned by such Reporting Persons. | |
| (e) | Not applicable. | |
| Item 6. | Contracts, Arrangements, Understandings or Relationships With Respect to Securities of the Issuer | |
Item 4 is incorporated by reference. | ||
| Item 7. | Material to be Filed as Exhibits. | |
Exhibit 99.1 - Joint Filing Agreement among the Reporting Persons (incorporated by reference to Exhibit 99.1 to the Reporting Persons' Schedule 13D filed with the SEC on October 16, 2025). | ||
| 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.
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