# EDGAR Filing Document

**Accession Number:** 0002083617
**File Stem:** 0002083617-26-000010
**Filing Date:** 2026-6
**Character Count:** 7417
**Document Hash:** 5a2b183ae4cee0a1223975d68a211f2b
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0002083617-26-000010.hdr.sgml**: 20260612

**ACCESSION NUMBER**: 0002083617-26-000010

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260522

**FILED AS OF DATE**: 20260612

**DATE AS OF CHANGE**: 20260612

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Horowitz Jeff Peter
- **CENTRAL INDEX KEY:** 0002083617

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-43057
- **FILM NUMBER:** 261087913

**MAIL ADDRESS:**
- **STREET 1:** 2443 ASH STREET
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94306
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BITGO HOLDINGS, INC.
- **CENTRAL INDEX KEY:** 0001740604
- **STANDARD INDUSTRIAL CLASSIFICATION:** FINANCE SERVICES [6199]
- **ORGANIZATION NAME:** 09 Crypto Assets
- **EIN:** 823998490
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 0123

**BUSINESS ADDRESS:**
- **STREET 1:** 2443 ASH STREET
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94306
- **BUSINESS PHONE:** (650) 847-0009

**MAIL ADDRESS:**
- **STREET 1:** 2443 ASH STREET
- **CITY:** PALO ALTO
- **STATE:** CA
- **ZIP:** 94306

### 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>Horowitz Jeff Peter<br><sub>(Last) (First) (Middle)</sub><br>C/O BITGO HOLDINGS, INC.<br>101 S. REID STREET, SUITE 307, PMB# 9793<br><sub>(Street)</sub><br>SIOUX FALLS, SD 57103<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-05-22 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_Chief Compliance Officer_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>BITGO HOLDINGS, INC. [ BTGO ] | **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 |
| Class A Common Stock |  |  |  |  |  |  |  | 287662 | 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 |
| Phantom Stock Units (Cash-settled Restricted Stock Units) | <sup>(1)</sup> | 2026-05-22 |  | M |  |  | 521 | <sup>(2)</sup> | <sup>(3)</sup> | Class A Common Stock | 521 | <sup>(1)</sup> | 5478 | D |  |
| Phantom Stock Units (Cash-settled Restricted Stock Units) | <sup>(1)</sup> | 2026-05-22 |  | M |  |  | 1563 | <sup>(4)</sup> | <sup>(3)</sup> | Class A Common Stock | 1563 | <sup>(1)</sup> | 24227 | D |  |

---

### Footnotes:

(1) Each phantom stock unit (each a "Unit") represents the economic equivalent of one share of the Issuer's Class A common stock.  On May 22, 2026, certain Units held by the Reporting Person were settled for cash as described in footnotes (2) and (4) to this Form 4.

(2) The	reported transaction represents the vesting of 260 Units on April 1, 2026 and 261 Units on May 1, 2026, which transaction settled on May 22, 2026.  The	remaining 5,478 Units vest in substantially equal monthly installments.through March 1, 2028, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

(3) This award does not expire; it either vests or is canceled prior to the vesting date.

(4) The	reported transaction represents the vesting of 782 Units on April 18, 2026 and 781 Units on May 18, 2026, which transaction settled on May 22, 2026.  The	remaining 24,227 Units vest in substantially equal monthly installments.through December 18, 2028, subject to the Reporting Person's provision of service to the Issuer on each vesting date.

**Remarks:**
Cash-settled phantom stock units (the "Units") were previously included in the Reporting Person's total Class A common stock holdings reflected in Column 2 of Table I of Form 3 filed on January 21, 2026 and in Column 5 of Table I of Forms 4 filed on January 23, 2026, January 27, 2026 and April 1, 2026.  The Units are reported in Table II of this Form 4, and the Reporting Person's total Class A common stock holdings reflected in Column 5 of Table I have been adjusted accordingly.

**Signature:** /s/ Edward Reginelli, Attorney-in-Fact  
**Date:** 2026-06-12

### 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.**