SEC Form 4 · accession 0001185185-26-002610

RTB Digital, Inc. · RTB

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Chief Financial Officer · Director · 10% Owner

Period of report

Jun 4, 2026

Accepted (ET)

Jun 22, 2026 · 5:49 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0001419275

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock par value $0.001^F1	Jun 4, 2026	M	145,881	$1.89	A	233,410	I	BFF Ltd.

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Options^F2,F3	$1.89	Jun 4, 2026	M	145,881	D	Sep 12, 2025	Aug 12, 2035	Common Stock, par value $0.001	145,881	182,351	I

F1BFF Ltd. Is a controlled entity under common control with Mr. Madhavji and, as such, he may be deemed to have beneficial ownership over BFF Ltd.'s entire holding of 233,410 shares of Common Stock. Mr. Madhavji disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, if any.
F2On June 4, 2026, 145,881 shares of Common Stock were issued to BFF Ltd. Upon the cash exercise of stock options to purchase 145,881 shares of Common Stock at an exercise price of $1.89 per share.
F3Following the reported transaction, the Reporting Person, through BFF Ltd., continues to hold stock options to purchase 182,351 shares of Common Stock at $1.89 per share, with vesting and expiration dates ranging from August 1, 2026 to August 1, 2028.