Cadence (NASDAQ: CDNS) SVP sells 1,000 shares under 10b5-1 plan

Rhea-AI Filing Summary

Cadence Design Systems senior vice president Paul Cunningham reported an open-market sale of 1,000 shares of common stock at $280.19 per share. After this transaction, he directly holds 128,586 shares. The sale was executed under a pre-arranged Rule 10b5-1 trading plan adopted on March 14, 2025, indicating it was scheduled in advance rather than timed discretionarily.

Insider Trade Summary 10b5-1

Net Seller: 1,000 shares ($280,190)

Net Sell 1 txn

Insider Cunningham Paul

Role Sr. Vice President

Sold 1,000 shs ($280K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,000	$280.19	$280K

Holdings After Transaction: Common Stock — 128,586 shares (Direct)

Footnotes (1)

1. [object Object]

Key Figures

Shares sold: 1,000 shares Sale price per share: $280.19 per share Shares held after transaction: 128,586 shares +2 more

5 metrics

Shares sold 1,000 shares Open-market sale of common stock on April 1, 2026

Sale price per share $280.19 per share Price for the reported open-market sale

Shares held after transaction 128,586 shares Direct ownership following the sale

Trading plan adoption date March 14, 2025 Adoption date of Rule 10b5-1 Trading Plan

Net shares sold according to summary 1,000 shares Net-sell direction in transaction summary

Key Terms

Rule 10b5-1 Trading Plan, open-market sale, Form 4

3 terms

Rule 10b5-1 Trading Plan regulatory

"The transaction reported in this Form 4 was 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.

open-market sale financial

"transaction_action": "open-market sale""

An open-market sale is when a shareholder sells existing shares directly on a public exchange to any willing buyer, rather than through a private deal. Think of it like putting goods on a busy market stall where price is set by supply and demand; for investors it matters because such sales increase available supply, can put short-term downward pressure on the stock price, and signal changes in liquidity or investor confidence.

Form 4 regulatory

"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan"

Form 4 is a official document that company insiders, such as executives or major shareholders, file with regulators whenever they buy or sell company shares. It provides transparency about how those with inside knowledge are trading, helping investors see if insiders are confident in the company's prospects or may be selling for personal reasons. This information can influence investor decisions by revealing insiders' perspectives on the company's value.

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^*

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)
04/01/2026

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	04/01/2026		S		1,000(1)	D	$280.19	128,586	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. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/14/2025 by the Reporting Person.

Remarks:

	/s/ Ahalya Hildreth, Attorney-in-Fact for Paul Cunningham	04/03/2026
	** 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 CDNS executive Paul Cunningham report?

Paul Cunningham reported an open-market sale of 1,000 Cadence Design Systems (CDNS) common shares. The shares were sold at $280.19 each, and the transaction was disclosed on a Form 4 insider trading report filed with regulators.

At what price did Paul Cunningham sell Cadence (CDNS) shares?

He sold 1,000 Cadence Design Systems shares at $280.19 per share. This price reflects the execution level for the reported open-market trade, as disclosed in the Form 4 insider transaction filing.

How many Cadence (CDNS) shares does Paul Cunningham hold after the sale?

Following the transaction, Paul Cunningham directly holds 128,586 shares of Cadence Design Systems common stock. This post-transaction holding is stated in the Form 4 and shows he retains a substantial equity position after the reported sale.

Was Paul Cunningham’s CDNS share sale made under a Rule 10b5-1 plan?

Yes. The filing notes the transaction was executed under a Rule 10b5-1 Trading Plan adopted on March 14, 2025. Such pre-arranged plans schedule trades in advance, reducing the significance of short-term market timing decisions.

What role does Paul Cunningham hold at Cadence Design Systems (CDNS)?

Paul Cunningham is identified as a senior vice president at Cadence Design Systems. His officer status is disclosed in the Form 4, which lists his title and confirms he is an executive-level reporting person under SEC insider transaction rules.