X0609 4 2026-06-01 false 0001667011 Arteris, Inc. AIP 0001888542 Alpern Paul L false C/O ARTERIS, INC. 900 E. HAMILTON AVE., SUITE 300 CAMPBELL CA 95008 false true false false VP and General Counsel true Common Stock 2026-06-01 4 M false 4000.00 0.56 A 90386.00 D Common Stock 2026-06-01 4 M false 2500.00 9.28 A 92886.00 D Common Stock 2026-06-01 4 S false 11504.00 35.9848 D 81382.00 D Common Stock 2026-06-01 4 S false 998.00 36.3895 D 80384.00 D Incentive Stock Option (right to buy) 0.56 2026-06-01 4 M false 4000.00 0.00 D 2029-10-23 Common Stock 4000.00 61000.00 D Non-Qualified Stock Option (right to buy) 9.28 2026-06-01 4 M false 2500.00 0.00 D 2035-02-20 Common Stock 2500.00 27500.00 D Transaction made pursuant to a 10b5-1 trading plan that was adopted by the Reporting Person on February 23, 2026. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $35.27 to $36.26 inclusive. The Reporting Person undertakes to provide 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 price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $36.28 to $36.56 inclusive. The Reporting Person undertakes to provide 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. Incentive stock option, 25% of the total shares vested on August 26, 2020; thereafter, 1/48th of the total shares vested monthly for 3 years, beginning on September 26, 2020. Non-qualified stock options, vesting in 16 equal quarterly installments of 1/16th each, beginning on April 1, 2025. /s/ Paul Alpern 2026-06-03