[Form 3] Cogent Communications Holdings, Inc. Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

This Form 3 shows that Mark Andrew Harris, serving as VP & Chief Revenue Officer and a director, directly owns 4,500 shares of Cogent Communications Holdings, Inc. (CCOI). The holdings include 500 restricted shares vesting in two equal installments on May 1, 2026 and November 1, 2026, and 3,500 restricted shares vesting in seven equal installments on each May 1 and November 1 through November 1, 2028. The form is an initial Section 16 filing reporting beneficial ownership.

Insights

Financial Analyst

TL;DR: Routine initial insider disclosure; shows modest direct ownership with multi-year vesting schedule.

The filing is a standard Form 3 reporting an officer/director's initial beneficial ownership of 4,500 common shares. The position and restricted-share vesting timeline are explicitly stated, which informs timing of potential insider-supplied shares to the market but does not reflect immediate material ownership relative to the company. No options, derivatives, or indirect holdings are reported.

Corporate Governance Expert

TL;DR: Governance disclosure is complete for initial report; vesting schedule provides transparency on insider alignment.

The document fulfills Section 16 requirements by identifying the reporting person, role (VP & Chief Revenue Officer; director), and exact share counts with vesting details. The staged vesting through 2028 indicates retained alignment incentives but does not signal any immediate governance change or control shift. No amendments or joint filers are indicated.

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

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1. Name and Address of Reporting Person^*

Harris Mark Andrew

(Last) (First) (Middle)

2450 N ST NW

(Street)

WASHINGTON DC 20037

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
09/02/2025

3. Issuer Name and Ticker or Trading Symbol
COGENT COMMUNICATIONS HOLDINGS, INC. [ CCOI ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VP & Chief Revenue Officer

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

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)
common stock	4,500(1)	D

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:

1. Includes 500 shares of restricted stock which vests in two equal installments on May 1, 2026 and November 1, 2026 and also includes 3,500 shares of restricted stock which vests in seven equal installments on each of May 1 and November 1, through November 1, 2028.

	/s/ Mark Andrew Harris	09/02/2025
	** 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.

FAQ

What shares did Mark Andrew Harris report on Form 3 for CCOI?

He reported direct ownership of 4,500 shares of Cogent Communications Holdings, Inc. (CCOI).

How many of the reported CCOI shares are restricted and what is the vesting schedule?

The filing discloses 500 restricted shares vesting in two equal installments on May 1, 2026 and November 1, 2026, and 3,500 restricted shares vesting in seven equal installments each May 1 and November 1 through November 1, 2028.

What is Mark Harris's role at CCOI as stated in the filing?

The filing lists him as a Director and an Officer with the title VP & Chief Revenue Officer.

Does the Form 3 report any derivative securities or indirect ownership?

No. The Form 3 reports only non-derivative common stock owned directly; no derivatives or indirect ownership are disclosed.

Was this Form 3 filed jointly or by a single reporting person?

The form indicates it was filed by one reporting person (Mark Andrew Harris).