# EDGAR Filing Document

**Accession Number:** 0001593222
**File Stem:** 0001193125-26-009171
**Filing Date:** 2026-1
**Character Count:** 7537
**Document Hash:** 65786aa0f51c8713edf631d0a4fd89c5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-009171.hdr.sgml**: 20260109

**ACCESSION NUMBER**: 0001193125-26-009171

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260109

**FILED AS OF DATE**: 20260109

**DATE AS OF CHANGE**: 20260109

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Mazan Michael
- **CENTRAL INDEX KEY:** 0001966374

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-36409
- **FILM NUMBER:** 26524171

**MAIL ADDRESS:**
- **STREET 1:** 3210-666 BURRARD STREET
- **CITY:** VANCOUVER
- **STATE:** A1
- **ZIP:** V6C2X8
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** City Office REIT, Inc.
- **CENTRAL INDEX KEY:** 0001593222
- **STANDARD INDUSTRIAL CLASSIFICATION:** REAL ESTATE INVESTMENT TRUSTS [6798]
- **ORGANIZATION NAME:** 05 Real Estate & Construction
- **EIN:** 981141883
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** SUITE 3210 - 666 BURRARD STREET
- **CITY:** VANCOUVER
- **PROVINCE COUNTRY:** Z4
- **BUSINESS PHONE:** 1-604-806-3353

**MAIL ADDRESS:**
- **ADDRESS IS A NON US LOCATION:** YES
- **STREET 1:** SUITE 3210 - 666 BURRARD STREET
- **CITY:** VANCOUVER
- **PROVINCE COUNTRY:** Z4

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[x] 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**<sup>*</sup><br>Mazan Michael<br><sub>(Last) (First) (Middle)</sub><br>666 BURRARD STREET, SUITE 3210<br><sub>(Street)</sub><br>VANCOUVER, A1 V6C2X8<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2026-01-09 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[ ] Officer (give title below) [ ] Other (specify below)<br>_ _ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>City Office REIT, Inc. [ CIO ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2026-01-09<sup>(1)</sup> | 2026-01-09<sup>(1)</sup> | D |  | 2900 | D | <sup>(1)</sup> | 0 | D |  |
| Common Stock | 2026-01-09<sup>(1)</sup> | 2026-01-09<sup>(1)</sup> | D |  | 39000 | D | <sup>(1)</sup> | 0 | I | Through HoldCo<sup>(3)(4)</sup> |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(1)(2)</sup> | 2026-01-09<sup>(1)</sup> | 2026-01-09<sup>(1)</sup> | D |  |  | 18830 | <sup>(1)(2)</sup> | <sup>(1)(2)</sup> | Common Stock | 18830<sup>(1)(2)</sup> | $7.00 | 0 | D |  |

---

### Footnotes:

(1) On January 9, 2026 (the "Merger Effectiveness Time"), pursuant to the Agreement and Plan of Merger (the "Merger Agreement"), dated as of July 23, 2025, by and among the Issuer, MCME Carell Holdings, LP, a Delaware limited partnership ("Parent"), and MCME Carell Merger Sub, LLC, a Maryland limited liability company ("Merger Sub") the Issuer merged with and into Merger Sub, with Merger Sub surviving as a wholly-owned subsidiary of Parent (the "Merger"). At the Merger Effectiveness Time, each share of Issuer's common stock, par value $0.01 per share, converted into the right to receive $7.00 per share in cash (the "Merger Consideration Price").

(2) Represents Restricted Stock Units previously issued to the Reporting Person. At the Merger Effectiveness Time, each outstanding Restricted Stock Unit converted into the right to receive an amount in cash equal to the Merger Consideration Price.

(3) Represents Performance Restricted Stock Units previously issued to the Reporting Person. At the Merger Effectiveness Time, each outstanding Performance Restricted Stock Unit converted into the right to receive an amount in cash equal to the Merger Consideration Price (assuming that all performance-based vesting conditions applicable to such Performance Restricted Stock Unit were achieved at the actual level of performance through the Merger Effectiveness Time).

(4) Reflects securities directly held by Scarcliffe Beach Holdings Inc. ("HoldCo"). The Reporting Person is a member of HoldCo.

**Remarks:**
As of January 9, 2026, the Reporting Person is no longer subject to Section 16 in connection with transaction of securities of the Issuer.

**Signature:** /s/ Michael Mazan  
**Date:** 2026-01-09

### Remarks:

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.**