Securitize COO granted 109,913 RSUs in award

Securitize Corp.’s COO received a substantial RSU equity award that vests over time starting in 2027.

Rhea-AI Filing Summary

Securitize Corp. (symbol: SECZ) is the issuer of record for a Form 4 filing submitted to the SEC. Miller William Dawson reported acquisition or exercise transactions in this Form 4 filing.

Securitize Corp. (SECZ) reported that Chief Operating Officer Miller William Dawson received a grant of 109,913 Restricted Stock Units (RSUs) on September 10, 2026. Each RSU represents a contingent right to one common share, bringing his reported direct holdings to 126,201 common shares/RSUs, with vesting beginning July 23, 2027.

Insider Trade Summary

Grant/Award: 109,913 shares

Grant/Award 1 txn

Insider Miller William Dawson

Role Chief Operating Officer

Type	Security	Shares	Price	Value
Grant/Award	Common Shares F1	109,913	$0.00	$0.00

Holdings After Transaction: Common Shares — 126,201 shares (Direct)

Footnotes (1)

1. 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.

Key Figures

RSUs granted: 109,913 units Shares/RSUs held after transaction: 126,201 units Transaction price per share: $0.00 per unit +2 more

5 metrics

RSUs granted 109,913 units Grant to COO on September 10, 2026

Shares/RSUs held after transaction 126,201 units Direct holdings reported following the grant

Transaction price per share $0.00 per unit Equity award, not a market purchase

Initial vesting portion 25% Vests on July 23, 2027 (First Vesting Date)

Remaining vesting portion 75% Vests in 12 equal installments every three months after July 23, 2027

Key Terms

Restricted Stock Unit ("RSU"), contingent right, vested, First Vesting Date

4 terms

Restricted Stock Unit ("RSU") financial

"Each Restricted Stock Unit ("RSU") represents a contingent right"

contingent right financial

"represents a contingent right to receive one share"

vested financial

"Twenty-five percent (25%) of the RSUs shall become vested"

First Vesting Date financial

"on July 23, 2027 ("First Vesting Date")"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did SECZ report for its COO on September 10, 2026?

Securitize Corp. reported that COO Miller William Dawson received a grant of 109,913 RSUs on September 10, 2026, recorded as an acquisition under an equity award, not a market purchase.

How many Securitize Corp. (SECZ) shares or RSUs does the COO hold after this grant?

After the September 10, 2026 RSU grant, COO Miller William Dawson is reported as directly holding 126,201 common shares/RSUs of Securitize Corp.

What are the vesting terms of the COO’s 109,913 RSU grant at SECZ?

For the 109,913 RSUs, 25% vest on July 23, 2027, and the remaining 75% vest in 12 equal installments every three months after that First Vesting Date.

Does Securitize Corp.’s COO pay a purchase price for the 109,913 RSUs?

No cash purchase price is reported. The Form 4 shows a $0.00 transaction price per share, indicating the 109,913 RSUs were received as a grant or award rather than bought in the market.

Was the SECZ COO’s RSU grant made under a Rule 10b5-1 trading plan?

The filing’s Rule 10b5-1 checkbox is reported as unchecked, and no footnote describes a trading plan, so the RSU grant is not affirmed as made under a Rule 10b5-1 plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 09/14/2026 - 02:47 PM Accepted by SEC EDGAR 09/14/2026 - 02:46 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Miller William Dawson

(Last) (First) (Middle)

78 SW 7TH ST STE 500

(Street)

MIAMI FLORIDA 33130

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
Securitize Corp. [ SECZ ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chief Operating Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Shares	09/10/2026		A		109,913(1)	A	$0	126,201	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

Remarks:

	/s/ Jerome Roche, attorney-in-fact for William Dawson Miller	09/12/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)