Cogent Communications CFO Sells 7,300 Shares of Common Stock

Cogent Communications Holdings, Inc. reported an insider stock sale by its vice president and CFO.

Accepted by SEC EDGAR 12/12/2025 - 04:21 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Cogent Communications Holdings, Inc. reported an insider stock sale by its vice president and CFO. On 12/11/2025, the officer sold 7,300 shares of Cogent common stock at a price of $23.99 per share. After this transaction, the reporting person directly beneficially owns 88,200 shares of Cogent common stock, as disclosed in a Form 4 filed for a single reporting person.

Insider Trade Summary

Net Seller: 7,300 shares

Net Sell 1 txn

Insider WEED THADDEUS GERARD

Role VICE PRESIDENT, CFO

Sold 7,300 shs ($175K)

Share of Position Sold 7.6%

Type	Security	Shares	Price	Value
Sale	common stock	7,300	$23.99	$175K

Holdings After Transaction: common stock — 88,200 shares (Direct)

Holdings Before and After: common stock, 95,500 to 88,200 shares (Direct)

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did Cogent Communications (CCOI) disclose?

Cogent Communications disclosed that its vice president and CFO sold 7,300 shares of the company’s common stock at $23.99 per share.

On what date did CCOI's CFO sell Cogent Communications shares and at what price?

The Cogent Communications CFO sold shares on 12/11/2025 at a price of $23.99 per share.

How many Cogent Communications (CCOI) shares does the CFO own after the sale?

Following the reported transaction, the CFO directly beneficially owns 88,200 shares of Cogent Communications common stock.

What is the role of the reporting person in Cogent Communications (CCOI)?

The reporting person is an officer of Cogent Communications, serving as vice president and chief financial officer (CFO).

Was this Cogent Communications Form 4 filed by more than one insider?

No. The Form 4 indicates it was filed by one reporting person, not jointly with others.

Did the Cogent Communications CFO report any derivative securities in this Form 4?

No derivative securities transactions are listed in Table II; the reported activity involves only common stock.

What type of security did the Cogent Communications (CCOI) insider transaction involve?

The transaction involved Cogent Communications common stock reported in Table I – Non-Derivative Securities.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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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

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

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^*

WEED THADDEUS GERARD

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	VICE PRESIDENT, CFO

3. Date of Earliest Transaction (Month/Day/Year)
12/11/2025

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	12/11/2025		S		7,300	D	$23.99	88,200	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:

	/s/ Thaddeus Weed	12/12/2025
	** 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.