City Office REIT, Inc. (CIO) - Dilution Analysis

Visualizing historical and potential share dilution over time

Dilution Analysis

Low Risk
Limited dilution potential
Last updated: January 23, 2026

Risk Assessment Details

Potential Dilution: 17.0% of current shares
Recent Dilution: 0.55% (2 years)
Historical Dilution Factor: minimal recent dilution
Outstanding Shares
40M
Potential Supply
6.9M
Additional shares possible
Splits
None
Past 2 years

Summary

CIO currently has 40.4M outstanding shares. with limited dilution risk as only 6.86M additional shares (17.0%) are authorized for issuance. The company has minimally diluted shareholders by 0.55% over the past 2 years.

Share Structure Timeline

Outstanding Shares
Total Supply

Historical Data Points

Date Event Outstanding Supply
Jan 23, 2026

POS AM filing: This post-effective amendment relates to the deregistration of unsold securities from a previous registration statement due to the completion of a merger.

40M 6.9M
Nov 07, 2025

10-Q filing | 40.4M shares outstanding

40M 6.9M
Jul 31, 2025

10-Q filing | 40.4M shares outstanding

40M 6.9M
May 02, 2025

10-Q filing | 40.3M shares outstanding

40M 6.9M
Feb 20, 2025

10-K filing | 40.1M shares outstanding

40M 7.1M
Oct 31, 2024

10-Q filing | 40.2M shares outstanding

40M 7.1M
Aug 01, 2024

10-Q filing | 40.2M shares outstanding

40M 7.1M
May 03, 2024

10-Q filing | 40.1M shares outstanding

40M 7.1M
Mar 28, 2024

S-3 filing: City Office REIT, Inc. may offer, issue and sell from time to time, together or separately, common stock, preferred stock, and debt securities in any combination in one offering or multiple offerings, up to an aggregate of $500,000,000.

40M 7.3M
Feb 22, 2024

10-K filing | 39.9M shares outstanding

40M 7.3M
Nov 09, 2023

10-Q filing | 39.9M shares outstanding

40M 7.3M
Aug 03, 2023

10-Q filing | 39.9M shares outstanding

40M 7.3M
May 05, 2023

10-Q filing | 39.9M shares outstanding

40M 7.4M
Feb 23, 2023

10-K filing | 42.1M shares outstanding

42M 5.2M
Nov 07, 2022

10-Q filing | 39.7M shares outstanding

40M 7.5M
Aug 04, 2022

10-Q filing | 41.6M shares outstanding

42M 5.7M
May 05, 2022

10-Q filing | 43.6M shares outstanding

44M 3.7M
Feb 25, 2022

10-K filing | 43.5M shares outstanding

43M 3.7M
Nov 03, 2021

10-Q filing | 43.6M shares outstanding

44M 3.7M
Aug 05, 2021

10-Q filing | 43.5M shares outstanding

43M 3.7M
May 07, 2021

10-Q filing | 43.4M shares outstanding

43M 3.8M
Apr 01, 2021

S-3 filing: City Office REIT, Inc. files an S-3 to offer common stock, preferred stock, and debt securities up to an aggregate of $500,000,000.

47M 0
Feb 25, 2021

10-K filing | 47.2M shares outstanding

47M 0
Nov 05, 2020

10-Q filing | 43.6M shares outstanding

44M 0
Aug 06, 2020

10-Q filing | 47.5M shares outstanding

48M 0
May 07, 2020

10-Q filing | 47.6M shares outstanding

48M 0
Feb 26, 2020

POS AM filing: City Office REIT, Inc. is filing a post-effective amendment to deregister unsold securities from a previous registration statement (File No. 333-218419) after terminating all offerings under that registration statement, effective as of February 25, 2020.

N/A 0
Feb 26, 2020

10-K filing | 4.5M shares outstanding

4.5M 0
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