Securitize Corp. director files initial ownership

Securitize Corp. director Macieira-Kaufmann Rebecca Lynn has filed an initial insider ownership report.

Accepted by SEC EDGAR 07/06/2026 - 08:50 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Securitize Corp. director Macieira-Kaufmann Rebecca Lynn has filed an initial insider ownership report. The data show no reported transactions, with buy, sell, acquire, and dispose counts all at zero. No common stock or derivative holdings are listed in this filing excerpt.

Key Terms

reportingPersons, transactionSummary, derivativeSummary

3 terms

reportingPersons financial

"The "reportingPersons" section lists Macieira-Kaufmann Rebecca Lynn as the filer."

transactionSummary financial

"The "transactionSummary" block shows zero buys, sells, and other transactions."

derivativeSummary financial

"The "derivativeSummary" section is empty, indicating no derivatives reported."

FAQ

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

Who is the reporting person in Securitize Corp. (SECZ) Form 3?

The reporting person is Macieira-Kaufmann Rebecca Lynn. She is identified as a director of Securitize Corp., not an officer and not a ten percent owner, according to the filing’s structured data.

Does this Securitize Corp. (SECZ) Form 3 show any insider transactions?

No transactions are reported in this Form 3. The transaction summary shows zero buys, sells, acquisitions, and dispositions, and there are no derivative transactions listed for the reporting person.

Are any Securitize Corp. (SECZ) share holdings disclosed for the director?

No share holdings are disclosed in this dataset. The filing’s summary indicates zero holding entries and an empty derivative summary, so no common stock or derivative positions are shown for the director here.

What does the transaction summary indicate for Securitize Corp. (SECZ) Form 3?

The transaction summary indicates neutral activity. Buy, sell, exercise, gift, tax withholding, and restructuring counts are all zero, and net buy/sell direction is recorded as neutral for this reporting person.

Are any derivative securities reported for the Securitize Corp. (SECZ) director?

No derivative securities are reported in this Form 3 data. The derivative summary section is empty, and derivative transaction counts are zero, indicating no options, warrants, or other derivatives disclosed here.

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

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SEC Form 3

FORM 3

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

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Macieira-Kaufmann Rebecca Lynn

(Last) (First) (Middle)

78 SW 7TH STREET, SUITE 500

(Street)

MIAMI FLORIDA 33130

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/01/2026

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

3a. Foreign Trading Symbol

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

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

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

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

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

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Jerome Roche, attorney-in-fact for Rebecca Lynn Macieira-Kaufmann	07/06/2026
	** 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 5 (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 3: SEC 1473 (03-26)