SMA Form 144: Insider resale notices filed

SMA filing a Form 144 notice reporting proposed sales of Common Stock by an affiliate.

Rhea-AI Filing Summary

SMA filing a Form 144 notice reporting proposed sales of Common Stock by an affiliate. The filing lists three sale entries dated 03/16/2026, 04/16/2026 and 05/18/2026 with the associated values shown in the excerpt. It also lists restricted stock vesting entries in June 2019 and a broker-dealer Fidelity Brokerage Services LLC entry.

Insights

Corporate Governance Analyst

Form 144 discloses proposed insider resale activity; entries are routine notice filings.

The excerpt shows multiple proposed sale entries by an individual, with dates and numeric values recorded under "Securities Sold During The Past 3 Months." This filing is an administrative disclosure of intended or completed resale activity.

Timing and cash-flow treatment are not detailed beyond the listed dates; subsequent filings would show actual transaction settlement details if any.

Key Figures

Sale entry 03/16/2026: 13944.25 Sale entry 04/16/2026: 13506.50 Sale entry 05/18/2026: 12609.75 +4 more

7 metrics

Sale entry 03/16/2026 13944.25 Securities sold during past 3 months

Sale entry 04/16/2026 13506.50 Securities sold during past 3 months

Sale entry 05/18/2026 12609.75 Securities sold during past 3 months

Restricted stock vesting 06/10/2019 52 Restricted Stock Vesting, Compensation

Restricted stock vesting 06/12/2019 219 Restricted Stock Vesting, Compensation

Restricted stock vesting 06/24/2019 154 Restricted Stock Vesting, Compensation

Broker-dealer listed Fidelity Brokerage Services LLC Named broker-dealer on filing header

Key Terms

Form 144, Restricted Stock Vesting, Broker-dealer

3 terms

Form 144 regulatory

"Securities Sold During The Past 3 Months"

Form 144 is a document that investors must file with the government when they plan to sell a large number of shares of a company's stock. It helps ensure transparency so everyone knows how many shares are being sold and when, which can impact the stock's price.

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | Compensation"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Broker-dealer market

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI"

A broker-dealer is a licensed firm or individual that both executes trades on behalf of clients (acting as a broker) and buys or sells securities for its own account (acting as a dealer). Investors care because broker-dealers provide the plumbing of markets — they place orders, hold or move cash and securities, offer research or advice, and their stability and fees directly affect trade execution, costs, and the safety of client funds; think of them as a combined travel agent and taxi for your investments.

FAQ

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

What does SMA's Form 144 show about insider sales?

The Form 144 lists proposed or reported sales of Common Stock by an affiliate on 03/16/2026, 04/16/2026, and 05/18/2026. The filing records dates and numeric values but does not provide settlement details or proceeds allocation in the excerpt.

Who is the reporting person on the SMA Form 144?

The excerpt identifies David J. Mueller with an address in Ladera Ranch, CA, as the reporting person associated with the sale entries. It also shows Fidelity Brokerage Services LLC as a broker-dealer listed for certain securities.

Does the filing show how many shares vested under SMA compensation plans?

The excerpt lists restricted stock vesting entries dated 06/10/2019, 06/12/2019, and 06/24/2019 with numeric counts shown, reflecting compensation vesting events recorded in the filing excerpt.

Are transaction proceeds or uses disclosed in this Form 144 excerpt?

This excerpt records dates and numeric values for reported sales but does not disclose explicit proceeds recipients or how any proceeds would be used. Settlement and cash-flow details are not provided in the visible text.

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

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Accepted by SEC EDGAR 06/16/2026 - 09:56 AM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001672825
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	SmartStop Self Storage REIT, Inc.
SEC File Number	001-42584
Address of Issuer	10 TERRACE ROAD LADERA RANCH CALIFORNIA 92694
Phone	949 429 6600
Name of Person for Whose Account the Securities are To Be Sold	Mueller David J
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	425	13787.00	55365295	06/16/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	06/10/2019	Restricted Stock Vesting	Issuer			52	06/10/2019	Compensation
Common	06/12/2019	Restricted Stock Vesting	Issuer			219	06/12/2019	Compensation
Common	06/24/2019	Restricted Stock Vesting	Issuer			154	06/24/2019	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
David J. Mueller 10 Terrace Rd. Ladera Ranch CA 92694	Common	03/16/2026	425	13944.25
David J. Mueller 10 Terrace Rd. Ladera Ranch CA 92694	Common	04/16/2026	425	13506.50
David J. Mueller 10 Terrace Rd. Ladera Ranch CA 92694	Common	05/18/2026	425	12609.75

144: Remarks and Signature

Remarks
Date of Notice	06/16/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/15/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Jennifer Ruchti, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for David J. Mueller
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)