William Dawson Miller - 01 Jul 2026 Form 4 Insider Report for Securitize Corp. (SECZ)

Reporting relationship: Director
Issuer ticker: SECZ
Reported as of: 01 Jul 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 06 Jul 2026, 20:44:19 UTC
Source filing: View source filing
Reporting owner signature: /s/ Jerome Roche, attorney-in-fact for William Dawson Miller

Key filing fact

William Dawson Miller filed Form 4 for Securitize Corp. (SECZ) on 06 Jul 2026.

Key facts

This page summarizes William Dawson Miller's Form 4 filing for Securitize Corp. (SECZ).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 06 Jul 2026, 20:44.

Change

No earlier filing in this sequence is available for direct comparison.
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 0002122535 Primary reporting owner

Miller William Dawson

Relationship: Director
Address: 78 SW 7TH STREET, SUITE 500, MIAMI
Signature: /s/ Jerome Roche, attorney-in-fact for William Dawson Miller
Signature date: 06 Jul 2026

Reported non-derivative transactions

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

SECZ transaction

Common Shares

Award

Transaction value
Shares: +16,288
Change %
Price: $0.000000^*
Shares after: 16,288
Date: 01 Jul 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

SECZ transaction Derivative

Stock Options (Right to Buy)

Award

Transaction value
Shares: +142,206
Change %
Price
Shares after: 142,206
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 142,206
Exercise price: $0.3900
Footnotes: F2, F3

SECZ transaction Derivative

Stock Options (Right to Buy)

Award

Transaction value
Shares: +222,196
Change %
Price
Shares after: 222,196
Date: 01 Jul 2026
Ownership: Direct
Underlying class: Common Shares
Underlying amount: 222,196
Exercise price: $0.5900
Footnotes: F2, 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

Represents shares of Securitize Corp. common shares ("Common Shares") related to options held by the reporting person that may become earned by and delivered to the reporting person pursuant to the earnout provided for in that certain business combination agreement, dated as of October 27, 2025, by and between Issuer, Securitize, Inc. ("Securitize"), Cantor Equity Partners II, Inc. and certain other parties thereto (the "Business Combination Agreement"). These Common Shares will generally be earned one-third on the date that the 20-day volume-weighted average price per Common Share attains $15.00, $20.00 and $25.00 over a 30-trading day period during the period beginning 90-days after the closing of the Mergers (as defined below) and ending on July 1, 2031. The Mergers were consummated on July 1, 2026. On July 1, 2026, Issuer changed its name to Securitize Corp. from Securitize Holdings, Inc.

Footnote F2

Represents options to acquire Common Shares received by the reporting person in exchange for options to acquire shares of Securitize common stock in connection with the mergers contemplated by the Business Combination Agreement (the "Mergers").

Footnote F3

As of July 1, 2026, these options were vested and exercisable.

Footnote F4

As of July 1, 2026, 69,436 options were vested and exercisable, with 152,760 of these options remaining unvested. These unvested options will vest 13,887 each quarter.