SCHEDULE 13G/A 0000919574-24-003825 0001167212 XXXXXXXX LIVE 1 Common Stock, par value $0.001 per share 09/30/2025 0001667011 Arteris, Inc. 04302A104 900 E. Hamilton Ave, Suite 300 Campbell CA 95008 Rule 13d-1(c) NEEDHAM INVESTMENT MANAGEMENT L.L.C. b DE 0.00 3325000.00 0.00 3325000.00 3325000.00 N 7.8 IA OO NEEDHAM ASSET MANAGEMENT, LLC b DE 0.00 3325000.00 0.00 3325000.00 3325000.00 N 7.8 HC OO NEEDHAM AGGRESSIVE GROWTH FUND b MD 0.00 2650000.00 0.00 2650000.00 2650000.00 N 6.2 IV OO GEORGE A. NEEDHAM b X1 0.00 3325000.00 0.00 3325000.00 3325000.00 N 7.8 HC IN Arteris, Inc. 900 E. Hamilton Ave., Suite 300, Campbell, California, United States of America Needham Investment Management L.L.C. Needham Asset Management, LLC Needham Aggressive Growth Fund George A. Needham Needham Investment Management L.L.C. 250 Park Avenue, 10th Floor New York, New York 10117-1099 United States of America Needham Asset Management, LLC c/o Needham Investment Management L.L.C. 250 Park Avenue, 10th Floor New York, New York 10117-1099 United States of America Needham Aggressive Growth Fund c/o Needham Investment Management L.L.C. 250 Park Avenue, 10th Floor New York, New York 10117-1099 United States of America George A. Needham c/o Needham Investment Management L.L.C. 250 Park Avenue, 10th Floor New York, New York 10117-1099 United States of America Needham Investment Management L.L.C. - Delaware Needham Asset Management, LLC - Delaware Needham Aggressive Growth Fund - Maryland George A. Needham - United States Y Needham Investment Management L.L.C. - 3,325,000 Needham Asset Management, LLC - 3,325,000 Needham Aggressive Growth Fund - 2,650,000 George A. Needham - 3,325,000 Needham Investment Management L.L.C. - 7.8% Needham Asset Management, LLC - 7.8% Needham Aggressive Growth Fund - 6.2% George A. Needham - 7.8% Needham Investment Management L.L.C. - 0 Needham Asset Management, LLC - 0 Needham Aggressive Growth Fund - 0 George A. Needham - 0 Needham Investment Management L.L.C. - 3,325,000 Needham Asset Management, LLC - 3,325,000 Needham Aggressive Growth Fund - 2,650,000 George A. Needham - 3,325,000 Needham Investment Management L.L.C. - 0 Needham Asset Management, LLC - 0 Needham Aggressive Growth Fund - 0 George A. Needham - 0 Needham Investment Management L.L.C. - 3,325,000 Needham Asset Management, LLC - 3,325,000 Needham Aggressive Growth Fund - 2,650,000 George A. Needham - 3,325,000 Y N All of the securities reported in this Schedule 13G Amendment No. 1 are directly owned by advisory clients of Needham Investment Management L.L.C.. None of those advisory clients, other than Needham Aggressive Growth Fund, may be deemed to beneficially own more than 5% of the Common Stock, par value $0.001 per share. N Please see Exhibit B attached hereto. Y Y N By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11. Exhibit A - Joint Filing Agreement Exhibit B - Control Person Identification NEEDHAM INVESTMENT MANAGEMENT L.L.C. By: /s/ James W. Giangrasso 11/13/2025 NEEDHAM ASSET MANAGEMENT, LLC By: /s/ James W. Giangrasso 11/13/2025 NEEDHAM AGGRESSIVE GROWTH FUND By: /s/ James W. Giangrasso 11/13/2025 GEORGE A. NEEDHAM By: /s/ George A. Needham 11/13/2025 * Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his, her or its pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of the securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose. To the extent that "ownership of 5 percent or less of a class" was indicated in Item 5, such response only applies to the Reporting Person(s) that indicated elsewhere herein that it beneficially owns five percent (5%) or less of the class.