RTB Digital insider buys 11,000 shares at $8.32

The ten-percent owner reported 4,204,028 shares held directly after the transaction.

Rhea-AI Filing Summary

RTB Digital, Inc. ten-percent owner Jason Christopher Dorsett purchased 11,000 shares of Common Stock at $8.32 per share on September 21, 2026. The reported direct holdings after the purchase were 4,204,028 shares. No Rule 10b5-1 plan is reported.

Insider Trade Summary

Net Buyer: 11,000 shares

Net Buy 1 txn

Insider Dorsett Jason Christopher

Role 10% Owner

Bought 11,000 shs ($92K)

Type	Security	Shares	Price	Value
Purchase	Common Stock	11,000	$8.32	$92K

Holdings After Transaction: Common Stock — 4,204,028 shares (Direct)

Key Figures

Shares purchased: 11,000 shares Purchase price: $8.32 per share Direct holdings after purchase: 4,204,028 shares

3 metrics

Shares purchased 11,000 shares September 21, 2026

Purchase price $8.32 per share September 21, 2026

Direct holdings after purchase 4,204,028 shares Reported after the September 21, 2026 purchase

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did RTB Digital's ten-percent owner buy?

Jason Christopher Dorsett purchased 11,000 shares of RTB Digital Common Stock on September 21, 2026.

What price did the RTB ten-percent owner pay per share?

The reported purchase price was $8.32 per share on September 21, 2026.

How many RTB shares did the ten-percent owner hold after the purchase?

The reported direct holdings after the purchase were 4,204,028 shares.

Was the RTB share purchase made under a Rule 10b5-1 plan?

No Rule 10b5-1 plan is reported for the purchase.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/23/2026 - 01:12 PM Accepted by SEC EDGAR 09/23/2026 - 01:11 PM Learn about SEC filing dates

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

Dorsett Jason Christopher

(Last) (First) (Middle)

200 CALLE SAN AGUSTIN

(Street)

SAN JUAN PUERTO RICO 00901

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
RTB Digital, Inc. [ RTB ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	X	10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/21/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/21/2026		P		11,000	A	$8.32	4,204,028	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	/s/ Anibal Pablo Escanellas Juan, Attorney-in-Fact for Jason Christopher Dorsett	09/23/2026
	** Signature of Reporting Person	Date
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.
* Form 4: SEC 1474 (03-26)