[Form 4] COGENT COMMUNICATIONS HOLDINGS, INC. Insider Trading Activity

Rhea-AI Filing Summary

Cogent Communications (CCOI) director Lewis H. Ferguson received 2,395 shares of common stock as a quarterly director compensation payment dated 09/30/2025. The form reports the shares were acquired at no cash price and are owned directly by Mr. Ferguson, bringing his total holdings to 23,267 shares. The filing is a routine Section 16 disclosure reflecting director equity compensation for Q3 2025.

Positive

• Director received equity compensation of 2,395 shares for Q3 2025, aligning director incentives with shareholder interests
• Reporting appears complete and signed, fulfilling Section 16 disclosure requirements

Negative

• None.

Insights

Financial Analyst

TL;DR: Routine director equity grant of 2,395 shares, modest change to insider ownership and limited market impact.

The Form 4 documents a non-cash acquisition of 2,395 common shares by a board director as part of quarterly director compensation. This increases the director's direct holdings to 23,267 shares. The transaction is a standard compensation-related report and, absent larger patterns of insider buying or selling, is unlikely to be material to the companys valuation or near-term trading. No cash price was reported for the grant and no derivative transactions were disclosed.

Corporate Governance Expert

TL;DR: Governance disclosure is timely and complete for a routine director stock compensation event.

The filing identifies the reporting person as a director and shows the shares are held directly. The explanatory note clarifies these shares represent a quarterly payment for Q3 2025 service. The Form 4 appears properly executed and signed, fulfilling Section 16 reporting obligations for equity compensation. There are no indications of related-party transfers or indirect ownership structures in this filing.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

FERGUSON Lewis H

(Last) (First) (Middle)

2450 N ST NW

4TH FLOOR

(Street)

WASHINGTON DC 20037

(City) (State) (Zip)

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

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

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
09/30/2025

4. 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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
common stock	09/30/2025		A		2,395(1)	A	$0	23,267	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. The shares of common stock reported reflects a quarterly payment to directors for Q3 2025 service. All shares are owned directly by Mr. Ferguson, a director of Cogent Communications Holdings, Inc.

	/s/ Lewis Ferguson	10/01/2025
	** 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 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.

FAQ

What did Lewis H. Ferguson report on Form 4 for CCOI?

He reported receiving 2,395 shares of common stock as a quarterly director compensation payment dated 09/30/2025, bringing his total to 23,267 shares.

Was any cash price paid for the shares in the Form 4 filing?

The transaction is reported with a $0 price, indicating the shares were granted as compensation rather than purchased.

How is the ownership held according to the filing?

The filing states all shares are owned directly by Mr. Ferguson.

Does the Form 4 show any derivative transactions or disposals?

No. Table II (derivative securities) shows no transactions and Table I reports an acquisition only; there are no dispositions reported.

What is the filing date and signature on the Form 4?

The form is signed by Lewis Ferguson and dated 10/01/2025.