Cadence Design Systems SVP sells 2,000 shares

The common-share acquisition and sale were made under a Rule 10b5-1 Trading Plan adopted March 16, 2026.

Rhea-AI Filing Summary

Cadence Design Systems (CDNS) Senior Vice President Paul Cunningham exercised options for 1,000 common shares at a $138.02 exercise price and sold 2,000 common shares at $324.13 per share on October 15, 2026. The common-share acquisition and sale were effected under a Rule 10b5-1 Trading Plan adopted March 16, 2026. The reported option balance after the exercise was 5,328 shares.

Insider Trade Summary 10b5-1

Exercise and sale activity reported; no spread calculated

Exercise and Sale 3 txns

Insider Cunningham Paul

Role Sr. Vice President

Sold 2,000 shs ($648K)

Approx. gross sale proceeds $648K

Approx. exercise cost $138K

Type	Security	Shares	Price	Value
Exercise	Non- Qualified Stock Option (right to buy) F2	1,000	$0.00	$0.00
Exercise	Common Stock F1	1,000	$138.02	$138K
Sale	Common Stock F1	2,000	$324.13	$648K

Holdings After Transaction: Non- Qualified Stock Option (right to buy) — 5,328 contracts (Direct); Common Stock — 119,612 shares (Direct)

Footnotes (2)

1. F1. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person.
2. F2. These options vested at a rate of 1/48th per month starting on March 25, 2021.

Key Figures

Shares sold: 2,000 shares Sale price: $324.13 per share Options exercised: 1,000 shares +4 more

7 metrics

Shares sold 2,000 shares October 15, 2026

Sale price $324.13 per share October 15, 2026

Options exercised 1,000 shares October 15, 2026

Exercise price $138.02 per share Options exercised October 15, 2026

Option balance after exercise 5,328 shares Reported following the October 15, 2026 exercise

Trading plan adoption date March 16, 2026 Rule 10b5-1 Trading Plan applicable to the common-share acquisition and sale

Option vesting rate 1/48th per month Starting March 25, 2021

Key Terms

Rule 10b5-1 Trading Plan, Non- Qualified Stock Option (right to buy), vested at a rate of 1/48th per month

3 terms

Rule 10b5-1 Trading Plan regulatory

"effected pursuant to a Rule 10b5-1 Trading Plan"

A Rule 10b5-1 trading plan is a pre-arranged schedule that allows company insiders to buy or sell stock at specific times, even if they have inside information. It helps prevent accusations of unfair trading by making these transactions look planned and transparent, rather than sneaky or illegal.

Non- Qualified Stock Option (right to buy) financial

"Non- Qualified Stock Option (right to buy)"

vested at a rate of 1/48th per month financial

"These options vested at a rate of 1/48th per month"

FAQ

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

How many CDNS shares did Paul Cunningham sell, and at what price?

Paul Cunningham sold 2,000 common shares at $324.13 per share on October 15, 2026. The sale was effected under a Rule 10b5-1 Trading Plan adopted March 16, 2026.

How many CDNS options did Paul Cunningham exercise?

He exercised options for 1,000 common shares at a $138.02 exercise price on October 15, 2026. The reported option balance after the exercise was 5,328 shares.

How did Paul Cunningham's CDNS options vest?

The options vested at a rate of 1/48th per month, starting March 25, 2021.

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

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Available on EDGAR 10/16/2026 - 05:05 PM EDT Accepted by SEC EDGAR 10/16/2026 - 05:05 PM EDT Learn about SEC filing dates

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^*

Cunningham Paul

(Last) (First) (Middle)

2655 SEELY AVENUE

BUILDING 5

(Street)

SAN JOSE CALIFORNIA 95134

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
CADENCE DESIGN SYSTEMS INC [ CDNS ]

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

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Sr. Vice President

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/15/2026

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	10/15/2026		M		1,000(1)	A	$138.02	121,612	D
Common Stock	10/15/2026		S		2,000(1)	D	$324.13	119,612	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
Non- Qualified Stock Option (right to buy)	$138.02	10/15/2026		M			1,000	(2)	02/25/2028	Common Stock	1,000	$0	5,328	D

Explanation of Responses:

1. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person.

2. These options vested at a rate of 1/48th per month starting on March 25, 2021.

Remarks:

	/s/ Ahalya Hildreth, Attorney-in-Fact for Paul Cunningham	10/16/2026
	** 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)