Form 144: 2,400 RSU-linked shares notified for sale

Form 144 filing: A reporting person submitted notice to sell 2,400 common shares of Charles Schwab Corp. tied to RSU vesting on 03/01/2026.

Accepted by SEC EDGAR 03/05/2026 - 01:33 PM EST Learn about SEC filing dates

Rhea-AI Filing Summary

Form 144 filing: A reporting person submitted notice to sell 2,400 common shares of Charles Schwab Corp. tied to RSU vesting on 03/01/2026.

The excerpt also discloses prior open-market sales of 4,800 common shares on 12/08/2025 for $94,991.20. The filing lists a broker/market designation of NASDAQ and a filing date of 03/05/2026.

Insights

Insider Transactions Specialist

TL;DR: Notice of intended disposition of vested RSUs totaling 2,400 shares; prior sale of 4,800 shares is disclosed.

The filing lists a proposed sale of 2,400 common shares associated with RSU Vesting on 03/01/2026. The transaction is reported as an issuer-related vesting event rather than an open-market purchase.

Past activity shows a sale of 4,800 shares on 12/08/2025 for $94,991.20. Timing and exact sale mechanics for the 2,400 shares are not detailed in the excerpt; subsequent filings may report execution details.

FAQ

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

What does CCOI's Form 144 report on 03/05/2026?

The Form 144 reports a proposed disposition of 2,400 common shares tied to RSU vesting on 03/01/2026. It lists the market as NASDAQ and the filing date as 03/05/2026.

How many shares were sold previously by the reporting person?

The filing discloses prior sales of 4,800 common shares on 12/08/2025 for $94,991.20. That sale is reported separately from the 2,400-share notice.

Who is the reporting person named in the excerpt?

The excerpt names Henry Kilmer with an address in Washington, DC, as the reporting person associated with past sales and the Form 144 notice regarding the 2,400 shares.

Are the 2,400 shares being sold immediately or upon vesting?

The 2,400-share notice is tied to RSU Vesting on 03/01/2026, indicating the disposition is connected to vesting. The excerpt does not specify exact execution mechanics or sale timing after vesting.

What cash amount is disclosed for the prior sale?

The prior sale of 4,800 shares on 12/08/2025 is shown with proceeds of $94,991.20 in the excerpt. No proceeds are shown for the 2,400-share notice.

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

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Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001599812
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	COGENT COMMUNICATIONS HOLDINGS, INC.
SEC File Number	000-51829
Address of Issuer	2450 N STREET, NW WASHINGTON DISTRICT OF COLUMBIA 20037
Phone	2022954200
Name of Person for Whose Account the Securities are To Be Sold	KILMER HENRY W
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab Corp. 3000 Schwab Way Westlake TX 76262	2400	55200.00	50062158	03/05/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/01/2026	RSU Vesting	Issuer			2400	03/01/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Henry Kilmer 2450 N STREET, NW, WASHINGTON, DC DC 20037	Common	12/08/2025	4800	94991.20

144: Remarks and Signature

Remarks
Date of Notice	03/05/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	Henry Kilmer
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)