# EDGAR Filing Document

**Accession Number:** 0001270185
**File Stem:** 0001104659-25-125251
**Filing Date:** 2025-12
**Character Count:** 7892
**Document Hash:** 761a73dfce45b1fe7cac8a00c73c1050
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001104659-25-125251.hdr.sgml**: 20251230

**ACCESSION NUMBER**: 0001104659-25-125251

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20251223

**FILED AS OF DATE**: 20251230

**DATE AS OF CHANGE**: 20251230

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** ONSI DOUGLAS E
- **CENTRAL INDEX KEY:** 0001270185

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-37990
- **FILM NUMBER:** 251614690

**MAIL ADDRESS:**
- **STREET 1:** C/O TOLERRX INC
- **STREET 2:** 300 TECHNOLOGY SQUARE
- **CITY:** CAMBRIDGE
- **STATE:** MA
- **ZIP:** 02139
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CYPHERPUNK TECHNOLOGIES INC.
- **CENTRAL INDEX KEY:** 0001509745
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 274412575
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 47 THORNDIKE STREET
- **STREET 2:** SUITE B1-1
- **CITY:** CAMBRIDGE
- **STATE:** MA
- **ZIP:** 02142
- **BUSINESS PHONE:** 617 252 4343

**MAIL ADDRESS:**
- **STREET 1:** 47 THORNDIKE STREET
- **STREET 2:** SUITE B1-1
- **CITY:** CAMBRIDGE
- **STATE:** MA
- **ZIP:** 02142

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LEAP THERAPEUTICS, INC.
- **DATE OF NAME CHANGE:** 20160818

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** Dekkun Corp
- **DATE OF NAME CHANGE:** 20110107

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

[ ] Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>ONSI DOUGLAS E<br><sub>(Last) (First) (Middle)</sub><br>C/O CYPHERPUNK TECHNOLOGIES INC.<br>47 THORNDIKE STREET SUITE B1-1<br><sub>(Street)</sub><br>CAMBRIDGE, MA 02141<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-12-23 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_CEO,CFO,Pres.,GC,Treas.&Sec._ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>CYPHERPUNK TECHNOLOGIES INC. [ CYPH ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-12-23 |  | J<sup>(1)</sup> |  | 2136<sup>(1)</sup> | D | 0<sup>(1)</sup> | 0<sup>(1)</sup> | I | See footnotes<sup>(1)(2)</sup> |
| Common Stock | 2025-12-23 |  | J<sup>(1)</sup> |  | 712<sup>(3)</sup> | A | 0<sup>(1)</sup> | 106858 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | 0<sup>(4)</sup> | 2025-12-23 |  | A |  | 2600000 |  | <sup>(5)</sup> | <sup>(5)</sup> | Common Stock | 2600000 | $0 | 2600000 | D |  |

---

### Footnotes:

(1) Pro rata distribution from Nine Capital Partners, LLC ("Nine Capital Partners") of an aggregate of 2,136 shares of Cypherpunk Technologies Inc. ("Company") common stock, par value $0.001 per share ("Common Stock"), with 712 shares of Common Stock distributed to each of Messrs. Christopher K. Mirabelli, Douglas E. Onsi and Augustine Lawlor, respectively. Messrs. Mirabelli, Onsi and Lawlor are the Managing Members of Nine Capital Partners and as such, beneficially own and share voting and dispositive power with respect to all of the securities owned by Nine Capital Partners, LLC.

(2) The reporting person disclaims beneficial ownership of these shares except to the extent of his proportionate pecuniary interest therein.

(3) Reflects a de minimis adjustment due to rounding.

(4) Represents restricted stock units ("RSUs") to be settled on a 1 for 1 basis for shares of Company Common Stock. The RSUs were awarded pursuant to the Company's 2025 Equity Incentive Plan for no consideration.

(5) The RSUs will vest at (i) 12/36th on October 8, 2026 and (ii) 1/36th on the eighth (8th) day of each month thereafter (each, a "Vesting Date"), subject to the reporting person's continued service with the Company. Subject to the terms of the RSU award and applicable tax withholdings, the Company shall settle vested RSUs for Common Stock on the earliest to occur of (i) the first payroll period on or after the date the reporting person's employment with or service to the Company ceases, (ii) the first payroll period on or after the eighth (8th) day of the calendar month of June following any such Vesting Date applicable to such vested RSU or (iii) the first payroll period on or after the eighth (8th) day of the month of December following any such Vesting Date.

**Signature:** /s/ Douglas E. Onsi  
**Date:** 2025-12-29

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**