David F. Bailey - 21 May 2026 Form 3 Insider Report for RTB Digital, Inc. (RTB)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
3
Accepted by SEC
01 Jun 2026, 19:25:35 UTC
Prior SEC filing
24 Feb 2026
Next SEC filing
28 May 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ David Bailey

Key filing fact

David F. Bailey filed Form 3 for RTB Digital, Inc. (RTB) on 01 Jun 2026.

Key facts

  • This page summarizes David F. Bailey's Form 3 filing for RTB Digital, Inc. (RTB).
  • 0 reported transactions and 2 derivative rows are listed below.
  • Accepted by SEC: 01 Jun 2026, 19:25.

Change

  • Previous filing in this sequence was filed on 24 Feb 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

Official SEC source

Ownership activity is grounded in SEC Form 3 disclosures.

View source filing

Reporting Owners (1)

CIK 0001843661 Primary reporting owner

Bailey David F

Relationship
Director
Address
300 10TH AVE SOUTH, NASHVILLE
Signature
/s/ David Bailey
Signature date
01 Jun 2026

Reported non-derivative transactions

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

RTB holding

Common stock, par value $0.001

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
26,524
Date
21 May 2026
Ownership
Direct
RTB holding

Common stock, par value $0.001

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
179,373
Date
21 May 2026
Ownership
By 210K Capital, LP
Footnotes
F1
RTB holding

Common stock, par value $0.001

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
213,075
Date
21 May 2026
Ownership
By BTC, Inc.
Footnotes
F2

Reported derivative securities

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

RTB holding Derivative

Stock Options

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
21 May 2026
Ownership
Direct
Underlying class
Common Stock, par value $0.001
Underlying amount
72,941
Exercise price
$1.89
Footnotes
F3
RTB holding Derivative

Warrant to purchase common stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after
Date
21 May 2026
Ownership
By 210K Capital, LP
Underlying class
Common Stock, par value $0.001
Underlying amount
35,875
Exercise price
$11.15
Footnotes
F4
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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.

Footnote F4

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.

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