Cisco (CSCO) legal officer sells 6,586 shares under Rule 10b5-1 plan

Rhea-AI Filing Summary

Cisco Systems EVP and Chief Legal Officer Deborah L. Stahlkopf reported selling 6,586 shares of Cisco common stock in open-market transactions on May 15, 2026. The reported sales occurred at prices between $114.63 and $118.32 per share, as detailed in multiple weighted-average price ranges.

These transactions were executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on December 16, 2025, indicating they were scheduled in advance. Following the sales, she continues to hold 177,223.088 Cisco shares directly.

Insights

Equity analyst

Pre-planned insider sale of 6,586 Cisco shares looks routine.

EVP and Chief Legal Officer Deborah L. Stahlkopf sold 6,586 Cisco common shares on May 15, 2026 in several open-market trades. Reported sale prices ranged from $114.63 to $118.32 per share, disclosed as weighted-average prices across multiple executions.

The filing states these transactions were made under a Rule 10b5-1 plan adopted on December 16, 2025, suggesting a pre-scheduled program rather than discretionary timing. After the sales, she directly holds 177,223.088 shares, indicating a substantial continuing equity stake.

Insider Trade Summary 10b5-1

Net Seller: 6,586 shares ($772,580)

Net Sell 4 txns

Insider Stahlkopf Deborah L

Role EVP and Chief Legal Officer

Sold 6,586 shs ($773K)

Type	Security	Shares	Price	Value
Sale	Common Stock	300	$114.9733	$34K
Sale	Common Stock	1,100	$116.4164	$128K
Sale	Common Stock	2,842	$117.2427	$333K
Sale	Common Stock	2,344	$118.0998	$277K

Holdings After Transaction: Common Stock — 183,509.088 shares (Direct, null)

Footnotes (1)

1. This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on December 16, 2025. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $114.63 to $115.39. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range. Includes 2,575.836 dividend equivalents accrued on vested deferred restricted stock units, 508.957 dividend equivalents accrued on unvested deferred restricted stock units and 3,323.998 dividend equivalents accrued on unvested restricted stock units. Each dividend equivalent is the economic equivalent of one share of Cisco common stock. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $115.79 to $116.73. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $116.86 to $117.85. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $117.86 to $118.32. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

Key Figures

Shares sold: 6,586 shares Highest reported sale price: $118.32 per share Lowest reported sale price: $114.63 per share +2 more

5 metrics

Shares sold 6,586 shares Total Cisco common stock sold on May 15, 2026

Highest reported sale price $118.32 per share Upper end of disclosed weighted-average price ranges

Lowest reported sale price $114.63 per share Lower end of disclosed weighted-average price ranges

Shares held after transaction 177,223.088 shares Direct Cisco holdings following reported sales

Single-block sale example 2,344 shares at $118.0998 One open-market sale of Cisco common stock

Key Terms

Rule 10b5-1 plan, weighted average sales price, dividend equivalents, deferred restricted stock units, +1 more

5 terms

Rule 10b5-1 plan regulatory

"This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on December 16, 2025."

A Rule 10b5-1 plan is a prearranged, written schedule that lets corporate insiders buy or sell company stock at set times or amounts, even if they later learn material nonpublic information. Think of it like setting an automatic thermostat for trades: it creates a clear record that trades were planned in advance, reducing the risk of insider-trading accusations and helping investors trust that insider transactions are routine rather than based on secret information.

weighted average sales price financial

"Represents a weighted average sales price per share. These shares were sold in multiple transactions..."

dividend equivalents financial

"Includes 2,575.836 dividend equivalents accrued on vested deferred restricted stock units..."

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

deferred restricted stock units financial

"Includes 2,575.836 dividend equivalents accrued on vested deferred restricted stock units..."

Deferred restricted stock units are promises by a company to give employees or executives company shares at a future date, subject to conditions like continued employment or performance targets; the delivery and tax event are intentionally delayed. They matter to investors because they affect when new shares may be issued and how executives are motivated—like a paycheck held in escrow that vests over time, influencing potential share dilution and management behavior.

restricted stock units financial

"3,323.998 dividend equivalents accrued on unvested 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.

Form 4 Insider Transactions: What Each Field Means →

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).

X

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^*

Stahlkopf Deborah L

(Last) (First) (Middle)

170 WEST TASMAN DRIVE

(Street)

SAN JOSE CALIFORNIA 95134

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CISCO SYSTEMS, INC. [ CSCO ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP and Chief Legal Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

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

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	05/15/2026		S(1)		300	D	$114.9733(2)	183,509.088(3)	D
Common Stock	05/15/2026		S(1)		1,100	D	$116.4164(4)	182,409.088	D
Common Stock	05/15/2026		S(1)		2,842	D	$117.2427(5)	179,567.088	D
Common Stock	05/15/2026		S(1)		2,344	D	$118.0998(6)	177,223.088	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. This transaction was effected pursuant to a Rule 10b5-1 plan adopted by the reporting person on December 16, 2025.

2. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $114.63 to $115.39. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

3. Includes 2,575.836 dividend equivalents accrued on vested deferred restricted stock units, 508.957 dividend equivalents accrued on unvested deferred restricted stock units and 3,323.998 dividend equivalents accrued on unvested restricted stock units. Each dividend equivalent is the economic equivalent of one share of Cisco common stock.

4. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $115.79 to $116.73. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

5. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $116.86 to $117.85. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

6. Represents a weighted average sales price per share. These shares were sold in multiple transactions at prices ranging from $117.86 to $118.32. The reporting person has provided to the issuer, and undertakes to provide to the staff of the Commission or any security holder of the issuer, upon request, full information regarding the number of shares sold at each separate price within the range.

Remarks:

	/s/ Deborah L. Stahlkopf by Jay Higdon, Attorney-in-Fact	05/19/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Cisco (CSCO) report for Deborah Stahlkopf?

Cisco reported that EVP and Chief Legal Officer Deborah L. Stahlkopf sold 6,586 shares of common stock on May 15, 2026. The trades were open-market sales executed in multiple transactions at disclosed weighted-average prices.

At what prices did Deborah Stahlkopf sell Cisco (CSCO) shares?

The Cisco shares were sold at weighted-average prices within several ranges, from $114.63 to $118.32 per share. Each range reflects multiple individual trades, and detailed breakdowns are available to investors on request from the issuer.

How many Cisco (CSCO) shares does Deborah Stahlkopf hold after this Form 4?

After the reported sales, Deborah L. Stahlkopf directly holds 177,223.088 shares of Cisco common stock. This figure includes dividend equivalents credited on various deferred and restricted stock units, each equivalent to one share of Cisco common stock.

Was the Cisco (CSCO) insider sale made under a Rule 10b5-1 plan?

Yes. The Form 4 states the transactions were effected under a Rule 10b5-1 trading plan adopted on December 16, 2025. Such plans pre-schedule trades, which can make the timing less indicative of the insider’s short-term market view.

What are dividend equivalents mentioned in the Cisco (CSCO) Form 4?

Dividend equivalents are credits tied to deferred or restricted stock units, economically equal to one share of Cisco stock. The filing notes thousands of dividend equivalents accrued on vested and unvested units, which are included in Stahlkopf’s reported share holdings.