CSCO Rule 144 notice lists 5,512 RSUs

Company: CSCO — notice of proposed sale under Rule 144 for Common Stock.

Rhea-AI Filing Summary

Company: CSCO — notice of proposed sale under Rule 144 for Common Stock.

The filing lists 5,512 Restricted Stock Units dated 05/10/2026 as securities to be sold and reports prior 10b5-1 sales of 4,892 shares on 03/20/2026 for $381,449.79.

Insights

Securities Counsel

Rule 144 notice records proposed resale of RSUs and prior 10b5-1 activity.

The filing lists 5,512 Restricted Stock Units dated 05/10/2026 as the securities intended for sale under Rule 144. It separately documents prior 10b5-1 sales of 4,892 shares on 03/20/2026 for $381,449.79.

Timing and exact proceeds treatment for the listed RSUs are not detailed in the excerpt; subsequent filings or broker confirmations would show settlement mechanics and purchaser identity.

Key Figures

RSUs to be sold: 5,512 shares Prior 10b5-1 sales: 4,892 shares Proceeds reported for prior sale: $381,449.79 +1 more

4 metrics

RSUs to be sold 5,512 shares Securities To Be Sold; date <date>05/10/2026</date>

Prior 10b5-1 sales 4,892 shares Securities Sold During The Past 3 Months; date <date>03/20/2026</date>

Proceeds reported for prior sale $381,449.79 Proceeds from 10b5-1 sale on <date>03/20/2026</date>

Numeric entry present 636,801.36 Figure shown in filing header/excerpt without explicit label

Key Terms

Restricted Stock Units, 10b5-1, Rule 144

3 terms

Restricted Stock Units financial

"Securities To Be Sold | Common | 05/10/2026 | Restricted Stock Units"

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

10b5-1 regulatory

"10b5-1 Sales for MARK PATTERSON ... Common | 03/20/2026"

A 10b5-1 plan is a pre-set schedule that lets company insiders buy or sell shares according to written instructions made when they do not possess material, nonpublic information. Think of it as a timed automatic payment for stock trades: it helps insiders avoid accusations of trading on secret information and gives outside investors a clearer signal about whether sales are routine or potentially informative about the company’s prospects.

Rule 144 regulatory

"Form type indicated as 144: Filer Information"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

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

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Accepted by SEC EDGAR 05/15/2026 - 04:21 PM EDT Learn about SEC filing dates

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	0002080779
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	CISCO SYSTEMS, INC.
SEC File Number	001-39940
Address of Issuer	170 West Tasman Drive San Jose CALIFORNIA 95134
Phone	4085264000
Name of Person for Whose Account the Securities are To Be Sold	MARK PATTERSON
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	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	5512	636801.36	3949893042	05/15/2026	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	05/10/2026	Restricted Stock Units	Issuer			5512	05/10/2026	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
10b5-1 Sales for MARK PATTERSON 170 West Tasman Drive San Jose CA 95134	Common	03/20/2026	4892	381449.79

144: Remarks and Signature

Remarks
Date of Notice	05/15/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/19/2025
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	/s/ Mark Peterson
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)