# EDGAR Filing Document

**Accession Number:** 0001419275
**File Stem:** 0001185185-26-002280
**Filing Date:** 2026-6
**Character Count:** 6728
**Document Hash:** 1f5e1ecce838a3dc6400a8eb1a2a4907
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001185185-26-002280.hdr.sgml**: 20260601

**ACCESSION NUMBER**: 0001185185-26-002280

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260521

**FILED AS OF DATE**: 20260601

**DATE AS OF CHANGE**: 20260601

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Bailey David F
- **CENTRAL INDEX KEY:** 0001843661

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-34294
- **FILM NUMBER:** 261053107

**MAIL ADDRESS:**
- **STREET 1:** 225 LIBERTY STREET
- **STREET 2:** 27TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10281
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** RTB Digital, Inc.
- **CENTRAL INDEX KEY:** 0001419275
- **STANDARD INDUSTRIAL CLASSIFICATION:** SERVICES-MANAGEMENT CONSULTING SERVICES [8742]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 000000000
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 3131 CAMINO DEL RIO NORTH, SUITE 1400
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92108
- **BUSINESS PHONE:** 619-631-8261

**MAIL ADDRESS:**
- **STREET 1:** 3131 CAMINO DEL RIO NORTH, SUITE 1400
- **CITY:** SAN DIEGO
- **STATE:** CA
- **ZIP:** 92108

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** RYVYL Inc.
- **DATE OF NAME CHANGE:** 20221013

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GreenBox POS
- **DATE OF NAME CHANGE:** 20190222

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** GreenBox POS, LLC
- **DATE OF NAME CHANGE:** 20180613

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

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Bailey David F<br><sub>(Last) (First) (Middle)</sub><br>300 10TH AVE SOUTH<br><sub>(Street)</sub><br>NASHVILLE, TN 37203<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>RTB Digital, Inc. [ RTB ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2026-05-21 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director   [ ] 10% Owner<br>[ ] Officer (give title below)   [ ] Other (specify below)<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 Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |
| Common stock, par value $0.001 | 26524 | D |  |
| Common stock, par value $0.001 | 179373 | I | By 210K Capital, LP<sup>(1)</sup> |
| Common stock, par value $0.001 | 213075 | I | By BTC, Inc.<sup>(2)</sup> |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Stock Options<sup>(3)</sup> | 2028-08-12 | 2035-08-12 | Common Stock, par value $0.001 | 72941 | $1.89 | D |  |
| Warrant to purchase common stock<sup>(4)</sup> | 2026-09-24 | 2027-03-06 | Common Stock, par value $0.001 | 35875 | $11.15 | I | By 210K Capital, LP |

---

### Footnotes:

(1) As general partner and a controlling person of 210K Capital, LP., Mr. Bailey has influence over 210K Capital, LP's entire holding of 179,373 shares of Common Stock, and therefore, has beneficial ownership. Mr. Bailey disclaims beneficial ownership except to the extent of his pecuniary interests.

(2) As president and a controlling person of BTC Inc., Mr. Bailey has influence over BTC Inc.'s entire holding of 213,075 shares of Common Stock, and therefore, has beneficial ownership. Mr. Bailey disclaims beneficial ownership except to the extent of his pecuniary interests.

(3) Represents a stock option originally granted by RTB Digital, Inc. on August 12, 2025, which was assumed by the Issuer in connection with the business combination between the Issuer and RTB Digital, Inc. Following the transaction, the option became exercisable for shares of the Issuer's common stock on substantially the same terms as in effect immediately prior to the transaction, with appropriate adjustments to the number of underlying shares and exercise price, and continues to vest in accordance with its original vesting schedule, subject to the Reporting Person's continued service with the Issuer.

(4) Represents a common stock purchase warrant issued pursuant to the RTB Digital, Inc. Securities Purchase Agreement dated March 6, 2026, which became exercisable upon the closing of the business combination between the Issuer and RTB Digital, Inc. and is exercisable for up to 35,875 shares of the Issuer's common stock for twelve months following such closing, subject to adjustments as provided therein. The Reporting Person is a control person of 210k Capital, LP and deemed to beneficially own the securities held by 210k Capital, LP; the Reporting Person disclaims beneficial ownership of such securities except to the extent of his pecuniary interest therein.

**Signature:** /s/ David Bailey  
**Date:** 2026-06-01

### 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.**