Cadence Design (CDNS) SVP sells 4,732 shares under trading plan

Rhea-AI Filing Summary

CADENCE DESIGN SYSTEMS INC (CDNS) reported that Sr. Vice President Chin-Chi Teng exercised a non-qualified stock option for 1,000 shares of common stock at an exercise price of $202.94 per share on 2026-08-21, leaving 8,668 options outstanding from that grant. On the same date, Teng acquired 1,000 common shares through the exercise and sold 4,732 common shares at $314.49 per share in open-market or private transactions. The acquisition and sale transactions were effected under a Rule 10b5-1 Trading Plan adopted on 2026-02-20.

Insider Trade Summary 10b5-1

Exercise and sale activity reported; no spread calculated

Exercise and Sale 3 txns

Insider TENG CHIN-CHI

Role Sr. Vice President

Sold 4,732 shs ($1.49M)

Approx. gross sale proceeds $1.49M

Approx. exercise cost $203K

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	$202.94	$203K
Sale	Common Stock F1	4,732	$314.49	$1.49M

Holdings After Transaction: Non- Qualified Stock Option (right to buy — 8,668 shares (Direct); Common Stock — 138,049 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 2/20/2026 by the Reporting Person.
2. F2. Option vests at a rate of 1/48th per month.

Key Figures

Shares sold: 4,732 shares Sale price per share: $314.49 per share Options exercised: 1,000 options +4 more

7 metrics

Shares sold 4,732 shares Common stock sale on 2026-08-21 at $314.49 per share

Sale price per share $314.49 per share Price for 4,732 CDNS common shares sold on 2026-08-21

Options exercised 1,000 options Non-qualified stock option exercised into 1,000 common shares on 2026-08-21

Option exercise price $202.94 per share Exercise price for 1,000 CDNS shares underlying the option

Options remaining from grant 8,668 options Non-qualified stock option shares following the exercise transaction

Option expiration date 2030-03-15 Expiration of the reported non-qualified stock option

10b5-1 plan adoption date 2026-02-20 Date the Rule 10b5-1 Trading Plan was adopted by the reporting person

Key Terms

Non- Qualified Stock Option, Rule 10b5-1 Trading Plan, Exercise or conversion of derivative security

3 terms

Non- Qualified Stock Option financial

"security_title: "Non- Qualified Stock Option (right to buy""

Rule 10b5-1 Trading Plan regulatory

"The transaction ... 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.

Exercise or conversion of derivative security financial

"transaction_code_description: "Exercise or conversion of derivative security""

FAQ

What insider transactions did CDNS executive Chin-Chi Teng report on August 21, 2026?

Chin-Chi Teng reported exercising a non-qualified stock option for 1,000 shares at $202.94 and selling 4,732 common shares at $314.49, with all transactions dated 2026-08-21.

How many Cadence Design Systems (CDNS) shares did Chin-Chi Teng sell in this Form 4?

Chin-Chi Teng sold 4,732 shares of CADENCE DESIGN SYSTEMS INC common stock at a price of $314.49 per share on 2026-08-21.

What stock options did Chin-Chi Teng exercise in the latest CDNS Form 4?

He exercised a non-qualified stock option for 1,000 underlying common shares at an exercise price of $202.94 per share, with the option expiring on 2030-03-15 and vesting at 1/48th per month.

How many CDNS options does Chin-Chi Teng hold after the reported exercise?

After exercising 1,000 options, Chin-Chi Teng holds 8,668 options from the reported non-qualified stock option grant, as shown by the total shares following transaction field.

Were Chin-Chi Teng’s CDNS trades made under a Rule 10b5-1 plan?

Yes. The Form 4 notes that the acquisition and sale of CDNS common stock were effected pursuant to a Rule 10b5-1 Trading Plan adopted on 2026-02-20 by the reporting person.

What is the vesting schedule of the CDNS option exercised by Chin-Chi Teng?

A footnote states that the option vests at a rate of 1/48th per month, indicating gradual monthly vesting over a four-year period.

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

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Form 4 Insider Transactions: What Each Field Means →

Available on EDGAR 08/25/2026 - 06:26 PM Accepted by SEC EDGAR 08/25/2026 - 06:25 PM 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^*

TENG CHIN-CHI

(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)

	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)
08/21/2026

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	08/21/2026		M		1,000(1)	A	$202.94	142,781	D
Common Stock	08/21/2026		S		4,732(1)	D	$314.49	138,049	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	$202.94	08/21/2026		M			1,000	(2)	03/15/2030	Common Stock	1,000	$0	8,668	D

Explanation of Responses:

1. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 2/20/2026 by the Reporting Person.

2. Option vests at a rate of 1/48th per month.

Remarks:

	/s/ Ahalya Hildreth, Attorney-in-Fact for Chin-Chi Teng	08/25/2026
	** 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)