Steven C. Fletcher - 21 May 2026 Form 4 Insider Report for RTB Digital, Inc. (RTB)

Reporting relationship: Director
Issuer ticker: RTB
Reported as of: 21 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 21 May 2026, 16:10:47 UTC
Prior SEC filing: 13 Apr 2026
Next SEC filing: 03 Jun 2026
Source filing: View source filing
Reporting owner signature: /s/ Jasmine Farrington Attorney-in-fact

Key filing fact

Steven C. Fletcher filed Form 4 for RTB Digital, Inc. (RTB) on 21 May 2026.

Key facts

This page summarizes Steven C. Fletcher's Form 4 filing for RTB Digital, Inc. (RTB).
2 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 21 May 2026, 16:10.

Change

Previous filing in this sequence was filed on 13 Apr 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001804143 Primary reporting owner

Fletcher Steven C.

Relationship: Director
Address: 3111 CAMINO DEL RIO NORTH, SUITE 400, SAN DIEGO
Signature: /s/ Jasmine Farrington Attorney-in-fact
Signature date: 21 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

RTB transaction

Common Stock par value $0.001

Other

Transaction value
Shares: +690
Change %
Price: $0.000000^*
Shares after: 690
Date: 21 May 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

RTB transaction Derivative

Stock Options

Other

Transaction value
Shares: +72,941
Change %
Price: $0.000000^*
Shares after: 72,941
Date: 12 Aug 2025
Ownership: Direct
Underlying class: Common Stock, par value $0.001
Underlying amount: 72,941
Exercise price: $1.89
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents a restricted stock award originally granted by RTB Digital, Inc. on October 10, 2025, which was assumed by the Issuer in connection with the business combination between the Issuer and RTB Digital, Inc. Following the transaction, the award was converted into 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 shares, and continues to vest in accordance with its original vesting schedule, subject to the Reporting Person's continued service with the Issuer.

Footnote F2

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.