CDNS · Cadence Design Systems Inc

Shares transferred as a charitable gift by the Reporting Person.

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

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $343.77 to $344.28, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $337.40 to $338.19, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $336.40 to $337.04, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $340.56 to $341.26, 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.

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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $338.71 to $339.40, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $342.73 to $343.45, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $341.66 to $342.62, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $345.15 to $345.18, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $335.25 to $336.24, 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.

These options vested at a rate of 1/48th per month starting on March 25, 2021.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $390.48 to $391.37, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $384.22 to $385.03, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $378.54 to $379.41, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $388.39 to $389.05, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $387.28 to $388.11, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $380.91 to $381.88, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $389.42 to $390.11, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $383.08 to $383.76, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $381.96 to $382.91, 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.

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

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $379.56 to $380.44, 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.

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.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $385.57 to $386.37, 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.

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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person.

These options vested at a rate of 1/48th per month starting on March 25, 2021.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 3/16/2026 by the Reporting Person.

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.

Shares held by the Plummer Family Trust.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $391.98 to $392.71, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $394.23 to $395.22, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $395.27 to $396.14, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $390.74 to $391.47, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $387.11 to $387.95, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $384.01 to $384.95, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $382.87 to $383.75, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $386.10 to $387.09, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $396.27 to $397.18, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $389.32 to $390.16, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $388.17 to $389.12, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 11/24/2025 by the Reporting Person.

The price reported in Column 4 is a weighted average price. The shares were sold in multiple transactions at prices ranging from $385.08 to $385.99, 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.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 9/6/2024 and first amended on 8/6/2025 by the Reporting Person.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 9/9/2025 by the Reporting Person.

These options vested at a rate of 1/48th per month.

The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted on 9/6/2024 and first amended on 8/6/2025 by the Reporting Person.

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