William Dawson Miller - 10 Sep 2026 Form 4 Insider Report for Securitize Corp. (SECZ)

Reporting relationship: Chief Operating Officer
Issuer ticker: SECZ
Reported as of: 10 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 14 Sep 2026, 14:46:45 UTC
Prior SEC filing: 06 Jul 2026
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 14 Sep 2026.

Key facts

This page summarizes William Dawson Miller's Form 4 filing for Securitize Corp. (SECZ).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 14 Sep 2026, 14:46.

Change

Previous filing in this sequence was filed on 06 Jul 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 0002122535 Primary reporting owner

Miller William Dawson

Relationship: Chief Operating Officer
Address: 78 SW 7TH ST STE 500, MIAMI
Signature: /s/ Jerome Roche, attorney-in-fact for William Dawson Miller
Signature date: 12 Sep 2026

Reported non-derivative transactions

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

SECZ transaction

Common Shares

Award

Transaction value
Shares: +109,913
Change %: +675%
Price: $0.000000^*
Shares after: 126,201
Date: 10 Sep 2026
Ownership: Direct
Footnotes: F1

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Each Restricted Stock Unit ("RSU") represents a contingent right to receive one share of the Issuer's Common Stock. Twenty-five percent (25%) of the RSUs shall become vested on July 23, 2027 ("First Vesting Date"), and the remaining seventy-five percent (75%) of the RSUs shall become vested in twelve (12) equal installments every three (3) months after the First Vesting Date.