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Form 8-K

sec.gov
RTB The article is a Form 8-K filing announcing the departure of a co-founder and board member to focus on another company. No financial performance or future outlook is discussed. NAKA Mentioned as the company where a departing director of RTB Digital, Inc. will focus his CEO role. No specific information about Nakamoto's performance or prospects is provided.

8-K — RTB Digital, Inc.

Accession: 0001185185-26-002368

Filed: 2026-06-05

Period: 2026-06-01

CIK: 0001419275

SIC: 8742 (SERVICES-MANAGEMENT CONSULTING SERVICES)

Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Item: Financial Statements and Exhibits

Documents

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UNITED

STATES

SECURITIES

AND EXCHANGE COMMISSION

Washington,

D.C. 20549

FORM

8-K

Current

Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date

of Report (Date of earliest event reported): June 1, 2026

RTB Digital, Inc.

(Exact

name of registrant as specified in its charter)

Nevada

001-34294

22-3962936

(State

or other jurisdiction

of incorporation)

(Commission

File Number)

(I.R.S.

Employer

Identification No.)

3111 Camino Del Rio North, Suite 400

San Diego, CA 92108

(Address of principal executive offices

and zip code)

Registrant’s

telephone number, including area code: (855) 201-1613

Check the appropriate box below if

the Form 8-K is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐

Written

communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting

material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement

communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement

communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to

Section 12(b) of the Exchange Act:

Title

of each class

Trading

Symbol(s)

Name

of each exchange on which registered

Common Stock, par value $0.001 per share

RTB

The

Nasdaq Stock

Market LLC

(Nasdaq Capital Market)

Indicate

by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405

of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging

growth company ☐

If

an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying

with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 5.02 Departure of Directors or Certain

Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On June 1, 2026, RTB Digital, Inc., a Nevada corporation

(the “Company”) announced that co-founder David Bailey of the recently acquired business, will depart the board of directors

to focus on his role as Chief Executive Officer of Nakamoto, Inc. (NASDAQ Symbol: NAKA).

Mr. Bailey helped launch RTB as a founding investor

and board member, including the latest round of funding, and served for the second time on a public-company board with founder James Heckman.

“David is a great friend and has been a critical

partner to Roundtable,” said Heckman. “We are grateful for his support and are excited to watch him grow Nakamoto.

Mr. Bailey’s departure is not a result of any

disagreement between the parties, or on any matter relating to the Company’s operations, policies or practices.

1

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.

Name of Exhibit

104*

Cover Page

Interactive Data File (embedded within the inline XBRL document).

* Filed or furnished herewith

2

SIGNATURES

Pursuant

to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its

behalf by the undersigned hereunto duly authorized.

RYVYL Inc.

By:

/s/ James Heckman

Name:

James Heckman

Title:

Chief Executive Officer

Dated: June 5,

2026

3

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