Joseph H. Robinson - 25 Mar 2026 Form 4 Insider Report for SmartStop Self Storage REIT, Inc. (SMA)

Reporting relationship: Chief Operations Officer
Issuer ticker: SMA
Reported as of: 25 Mar 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 27 Mar 2026, 18:04:23 UTC
Prior SEC filing: 03 Apr 2025
Source filing: View source filing
Reporting owner signature: /s/ Joseph H Robinson

Key filing fact

Joseph H. Robinson filed Form 4 for SmartStop Self Storage REIT, Inc. (SMA) on 27 Mar 2026.

Key facts

This page summarizes Joseph H. Robinson's Form 4 filing for SmartStop Self Storage REIT, Inc. (SMA).
2 reported transactions and 3 derivative rows are listed below.
Accepted by SEC: 27 Mar 2026, 18:04.

Change

Previous filing in this sequence was filed on 03 Apr 2025.
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 0001790230 Primary reporting owner

Robinson Joseph H

Relationship: Chief Operations Officer
Address: 10 TERRACE ROAD, LADERA RANCH
Signature: /s/ Joseph H Robinson
Signature date: 27 Mar 2026

Reported non-derivative transactions

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

SMA holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 2,830
Date: 25 Mar 2026
Ownership: Direct
Footnotes: F1

Reported derivative securities

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

SMA transaction Derivative

Long-Term Incentive Plan Units

Award

Transaction value
Shares: +7,245
Change %: +29%
Price: $0.000000^*
Shares after: 31,964
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 7,245
Exercise price: $0.000000
Footnotes: F2, F3

SMA transaction Derivative

Long-Term Incentive Plan Units

Award

Transaction value
Shares: +11,558
Change %: +61%
Price: $0.000000^*
Shares after: 30,487
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 11,558
Exercise price: $0.000000
Footnotes: F2, F4

SMA holding Derivative

Long-Term Incentive Plan Units

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 29,319
Date: 25 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 29,319
Exercise price: $0.000000
Footnotes: F2, F5

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

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 5 footnotes

Footnote F1

Includes shares of Common Stock previously reported as being owned by the Reporting Person, less .53 shares of Common Stock that were redeemed by the Issuer in connection with a fractional share redemption conducted by the Issuer with respect to its outstanding Common Stock as of July 30, 2025.

Footnote F2

Represents long-term incentive plan units ("LTIP Units") of SmartStop OP, L.P., the Issuer's operating partnership (the "Operating Partnership"). Vested LTIP Units are convertible into common units of the Operating Partnership ("Common Units"). Common Units are redeemable by the holder for, at the election of the Issuer, shares of the Issuer's Common Stock on a one-for-one basis or the cash value of such shares.

Footnote F3

Represents 7,245 LTIP Units issued to the Reporting Person pursuant to the Issuer's incentive plan, which LTIP Units vest ratably over four years commencing on December 31 of the year of grant, subject to the Reporting Person's continued employment or service through each vesting date.

Footnote F4

Represents 11,558 LTIP Units issued to the Reporting Person pursuant to the Issuer's incentive plan, which number is equal to 200% of the target number of LTIP Units to be issued upon vesting. The actual number of LTIP Units to be issued upon vesting can range from 0% to 100% of the number of LTIP Units reported, based on achievement of specified performance measures. Assuming the achievement of the specified performance measures, the LTIP Units, as adjusted, will vest no later than January 31, 2029.

Footnote F5

Represents LTIP Units previously reported as being owned by the Reporting Person. The LTIP Units vest ratably over four years commencing on the first anniversary of the issuance thereof, subject to the Reporting Person's continued employment or service through each vesting date.