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  4. [Form 4] CADENCE DESIGN SYSTEMS INC Insider Trading Activity

Cadence Design (NASDAQ: CDNS) director sells 1,250 shares

Filing Impact
(Moderate)
Filing Sentiment
(Negative)
Form Type
4

Rhea-AI Filing Summary

CADENCE DESIGN SYSTEMS INC (CDNS) director Alberto Sangiovanni-Vincentelli reported selling a total of 1,250 shares of common stock on August 25, 2026 in five open-market transactions. The weighted average prices ranged from about $317.70 to $324.93, and all sales were effected under a Rule 10b5-1 Trading Plan adopted on May 12, 2026.

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Insider SANGIOVANNI VINCENTELLI ALBERTO
Role Director
Sold 1,250 shs ($401K)
Type Security Shares Price Value
Sale Common Stock F1, F2 280 $318.3329 $89K
Sale Common Stock F1 240 $319.31 $77K
Sale Common Stock F1, F3 380 $321.1624 $122K
Sale Common Stock F1, F4 309 $323.5405 $100K
Sale Common Stock F1, F5 41 $324.6637 $13K
Holdings After Transaction: Common Stock — 40,794 shares (Direct)
Footnotes (5)
  1. F1. The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 5/12/2026 by the Reporting Person.
  2. F2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $317.695 to $318.535, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  3. F3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $320.97 to $321.185, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  4. F4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $323.13 to $323.97, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
  5. F5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $324.41 to $324.93, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Total shares sold 1,250 shares Aggregate common stock sales on August 25, 2026
First transaction 280 shares at $318.3329 per share Weighted average price; trades from $317.695 to $318.535
Second transaction 240 shares at $319.3100 per share Common stock sale on August 25, 2026
Third transaction 380 shares at $321.1624 per share Weighted average price; trades from $320.97 to $321.185
Fourth transaction 309 shares at $323.5405 per share Weighted average price; trades from $323.13 to $323.97
Fifth transaction 41 shares at $324.6637 per share Weighted average price; trades from $324.41 to $324.93
Rule 10b5-1 plan adoption date May 12, 2026 Adoption date of trading plan governing these sales
Rule 10b5-1 Trading Plan regulatory
"was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 5/12/2026"
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.
weighted average price financial
"The price reported in Column 4 is a weighted average price."
Weighted average price is the average price of a security where each trade or component is counted according to its size, so bigger trades pull the average more than smaller ones. Think of it like calculating the average cost of a grocery haul where items you bought more of have greater influence on the final per-item cost. Investors use it to understand the true average price paid or received, judge execution quality, and compare trading performance against market movement.
open market or private transaction financial
"transaction code description: Sale in open market or private transaction"

FAQ

What did the CDNS insider Alberto Sangiovanni-Vincentelli report in this Form 4?
He reported selling 1,250 shares of Cadence Design Systems common stock on August 25, 2026 in a series of open-market transactions, pursuant to a Rule 10b5-1 Trading Plan previously adopted.

How many CDNS shares were sold in each transaction on August 25, 2026?
The director sold 280, 240, 380, 309, and 41 shares of Cadence Design Systems common stock in five separate transactions, totaling 1,250 shares.

At what prices were the CDNS shares sold in this Form 4?
Weighted average prices reported were $318.3329, $319.3100, $321.1624, $323.5405, and $324.6637 per share, with individual trades executed in ranges from $317.695 up to $324.93.

Was the CDNS insider trading done under a Rule 10b5-1 plan?
Yes. The filing states that the transactions were effected pursuant to a Rule 10b5-1 Trading Plan adopted on May 12, 2026 by the reporting person.

What is the role of Alberto Sangiovanni-Vincentelli at CDNS?
He is identified as a director of Cadence Design Systems Inc. in the Form 4 reporting these stock sales.

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Form 4 Insider Transactions: What Each Field Means →
SEC Form 4
FORM 4UNITED 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*
SANGIOVANNI VINCENTELLI ALBERTO
(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)
XDirector10% Owner
Officer (give title below)Other (specify below)
2a. Foreign Trading Symbol
3. Date of Earliest Transaction (Month/Day/Year)
08/25/2026		6. Individual or Joint/Group Filing (Check Applicable Line)
XForm 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)
CodeVAmount(A) or (D)Price
Common Stock08/25/2026S280(1)D$318.3329(2)41,764D
Common Stock08/25/2026S240(1)D$319.3141,524D
Common Stock08/25/2026S380(1)D$321.1624(3)41,144D
Common Stock08/25/2026S309(1)D$323.5405(4)40,835D
Common Stock08/25/2026S41(1)D$324.6637(5)40,794D
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)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount 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 5/12/2026 by the Reporting Person.
2. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $317.695 to $318.535, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
3. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $320.97 to $321.185, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
4. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $323.13 to $323.97, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
5. The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $324.41 to $324.93, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
Remarks:
/s/ Ahalya Hildreth, Attorney-in-Fact for Alberto Sangiovanni-Vincentelli08/27/2026
** Signature of Reporting PersonDate
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)

Source: View Original Filing on SEC EDGAR