Cadence director sells 1,511 shares via trust

CADENCE DESIGN SYSTEMS INC director James D. Plummer reported an indirect sale of common stock and updated his holdings.

Rhea-AI Filing Summary

CADENCE DESIGN SYSTEMS INC director James D. Plummer reported an indirect sale of common stock and updated his holdings. On June 11, 2026, the Plummer Family Trust sold 1,511 shares in an open-market transaction at $381.34 per share, executed under a pre-arranged Rule 10b5-1 Trading Plan adopted on March 12, 2026. After this sale, the trust held 23,264 shares indirectly. A separate holding entry shows 3,120 shares held directly by Plummer.

Insider Trade Summary 10b5-1

Net Seller: 1,511 shares

Net Sell 2 txns

Insider PLUMMER JAMES D

Role Director

Sold 1,511 shs ($576K)

Type	Security	Shares	Price	Value
Sale	Common Stock	1,511	$381.34	$576K
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 23,264 shares (Indirect, Held by Trust); Common Stock — 3,120 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 3/12/2026 by the Reporting Person.
2. F2. Shares held by the Plummer Family Trust.

Key Figures

Shares sold: 1,511 shares Sale price: $381.34 per share Indirect holdings after sale: 23,264 shares +2 more

5 metrics

Shares sold 1,511 shares Open-market sale on June 11, 2026

Sale price $381.34 per share Price for 1,511 shares sold

Indirect holdings after sale 23,264 shares Plummer Family Trust position after transaction

Direct holdings reported 3,120 shares Directly held common stock as a holding entry

Net share change -1,511 shares Net buy/sell shares in this Form 4

Key Terms

Rule 10b5-1 Trading Plan, open-market sale, indirect, Plummer Family Trust, +1 more

5 terms

Rule 10b5-1 Trading Plan regulatory

"The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/12/2026"

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.

indirect financial

"direct_or_indirect: I, nature_of_ownership: Held by Trust"

Plummer Family Trust financial

"Shares held by the Plummer Family Trust."

Common Stock financial

"security_title: Common Stock"

Common stock represents ownership shares in a company, giving investors a stake in its success and a say in important decisions through voting rights. It is the most common type of stock traded on markets and can provide income through dividends, as well as potential for value growth. For investors, holding common stock means sharing in the company’s profits and risks.

FAQ

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

What insider transaction did CADENCE DESIGN SYSTEMS (CDNS) director James D. Plummer report?

James D. Plummer reported an indirect open-market sale of 1,511 shares of Cadence Design Systems common stock. The shares were sold on June 11, 2026 at $381.34 per share by the Plummer Family Trust.

Was the CADENCE DESIGN SYSTEMS (CDNS) insider sale made under a Rule 10b5-1 plan?

Yes. The filing states the transaction was effected pursuant to a Rule 10b5-1 Trading Plan adopted on March 12, 2026. Such plans pre-schedule trades, making the timing more routine and less about short-term market views.

How many CADENCE DESIGN SYSTEMS (CDNS) shares did the Plummer Family Trust hold after the sale?

Following the June 11, 2026 transaction, the Plummer Family Trust held 23,264 shares of Cadence Design Systems common stock indirectly. This figure reflects the position after selling 1,511 shares in the reported open-market transaction.

Does James D. Plummer also hold CADENCE DESIGN SYSTEMS (CDNS) shares directly?

Yes. A separate holding entry in the Form 4 shows James D. Plummer holding 3,120 shares of Cadence Design Systems common stock directly. This entry is reported as a holding, distinct from the indirect sale by the Plummer Family Trust.

What was the sale price per share in the CADENCE DESIGN SYSTEMS (CDNS) insider transaction?

The Plummer Family Trust sold 1,511 shares of Cadence Design Systems common stock at $381.34 per share. This price applies specifically to the June 11, 2026 open-market sale reported in the Form 4 filing.

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

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Accepted by SEC EDGAR 06/15/2026 - 06:33 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^*

PLUMMER JAMES D

(Last) (First) (Middle)

2655 SEELY AVENUE, BLDG. 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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/11/2026

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	06/11/2026		S		1,511(1)	D	$381.34	23,264	I	Held by Trust(2)
Common Stock								3,120	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 3/12/2026 by the Reporting Person.

2. Shares held by the Plummer Family Trust.

Remarks:

	/s/ Ahalya Hildreth, Attorney-in-Fact for James D. Plummer	06/15/2026
	** 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)