Cadence Design Systems director proposes $438K sale

The notice also reports a prior sale of 1,250 shares on August 25, 2026, valued at $401,095.

Rhea-AI Filing Summary

Cadence Design Systems Inc. (CDNS) director Alberto Sangiovanni Vincentelli gave notice of a proposed sale of 1,250 common shares held in the Alberto Sangiovanni-Vincentelli Trust, with an aggregate market value of $437,590 and an approximate sale date of October 1, 2026, through Charles Schwab & Co., Inc. The shares are listed as acquired through a restricted stock lapse on February 9, 2016. The notice also reports 1,250 shares sold during the prior three months, on August 25, 2026, with an aggregate market value of $401,095.

Key Figures

Proposed shares for sale: 1,250 shares Aggregate market value: $437,590 Approximate sale date: October 1, 2026 +3 more

6 metrics

Proposed shares for sale 1,250 shares Common shares held in the Alberto Sangiovanni-Vincentelli Trust

Aggregate market value $437,590 Proposed sale

Approximate sale date October 1, 2026 Proposed sale

Prior shares sold 1,250 shares Sale reported for August 25, 2026, during the prior three months

Prior sale aggregate market value $401,095 Sale reported for August 25, 2026

Issuer shares outstanding 275,393,000 shares Shares outstanding listed in the notice

Key Terms

Rule 144, Restricted Stock Lapse, aggregate market value

3 terms

Rule 144 regulatory

"paragraph (a) of Rule 144"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Restricted Stock Lapse financial

"Restricted Stock Lapse"

aggregate market value financial

"aggregate market value"

Aggregate market value is the combined price you would pay to buy all outstanding shares of a company or all companies in a group at current market prices — essentially the sum of each stock’s market capitalization. It matters to investors because it shows the overall size and weight of an investment or sector (like the total cost to buy every piece of a puzzle), helps compare scale across companies or markets, and influences index composition and risk exposure.

FAQ

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

How many CDNS shares did Alberto Sangiovanni Vincentelli propose to sell?

Alberto Sangiovanni Vincentelli gave notice of a proposed sale of 1,250 CDNS common shares, with an aggregate market value of $437,590 and an approximate sale date of October 1, 2026. The shares are held in the Alberto Sangiovanni-Vincentelli Trust.

What prior CDNS share sale did Alberto Sangiovanni Vincentelli report?

The notice reports 1,250 shares sold on August 25, 2026, with an aggregate market value of $401,095, during the prior three months.

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

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Available on EDGAR 10/01/2026 - 04:07 PM Accepted by SEC EDGAR 10/01/2026 - 04:07 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001181490
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	CADENCE DESIGN SYSTEMS INC
SEC File Number	000-15867
Address of Issuer	2655 SEELY AVENUE BLDG 5 SAN JOSE CALIFORNIA 95134
Phone	4089431234
Name of Person for Whose Account the Securities are To Be Sold	SANGIOVANNI VINCENTELLI ALBERTO
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Charles Schwab & Co., Inc. 3000 Schwab Way Westlake TX 76262	1250	437590.00	275393000	10/01/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/09/2016	Restricted Stock Lapse	CADENCE DESIGN SYSTEMS, INC.			1250	02/09/2016	Equity Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ALBERTO SANGIOVANNI VINCENTELLI 2655 SEELY AVENUE BLDG 5 SAN JOSE CA 95134	CADENCE DESIGN SYSTEMS INC	08/25/2026	1250	401095.00

144: Remarks and Signature

Remarks	Shares sold in the ALBERTO SANGIOVANNI-VINCENTELLI TRUST.
Date of Notice	10/01/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	05/12/2026
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	ALBERTO SANGIOVANNI VINCENTELLI TTEE
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)