Company: AIP
Filing Date: 2025-12-11
Form Type: S-3
Source: 0001193125-25-316098
Chunk: 39

Company: Arteris, Inc.
Filing Date: 2025-12-11
Form: S-3
Chunk 39
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 to Completion, dated December 11, 2025.

PROSPECTUS SUPPLEMENT

(To Prospectus dated
, 2025)

Up to $75,000,000

Common Stock

We have entered into an Open Market Sale Agreement (sales agreement) with Jefferies LLC
(Jefferies), dated December 11, 2025, relating to shares of our common stock offered by this prospectus supplement and the accompanying prospectus. In accordance with the terms of the sales agreement, pursuant to this prospectus supplement, we may
offer and sell shares of our common stock, $0.001 par value per share, having an aggregate offering price of up to $75,000,000 from time to time through Jefferies acting as our sales agent.

Our common stock is listed on the Nasdaq Global Market under the symbol “AIP”. On December 10, 2025, the last reported sale price
of our common stock on the Nasdaq Global Market was $19.61 per share.

Sales of our common stock, if any, under this prospectus supplement
and the accompanying prospectus will be made by any method permitted that is deemed to be an “at the market offering” as defined in Rule 415(a)(4) promulgated under the Securities Act of 1933, as amended (the Securities Act). Jefferies
is not required to sell any specific amount of securities, but will act as our sales agent using commercially reasonable efforts consistent with its normal trading and sales practices, on mutually agreed terms between Jefferies and us. There is no
arrangement for funds to be received in any escrow, trust or similar arrangement.

The compensation to Jefferies for sales of common stock
pursuant to the sales agreement will be an amount up to 3.0% of the gross proceeds of any shares of common stock sold under the sales agreement. In connection with the sale of the common stock on our behalf, Jefferies will be deemed to be an
“underwriter” within the meaning of the Securities Act and the compensation of Jefferies will be deemed to be underwriting commissions or discounts. We have also agreed to provide indemnification and contribution to Jefferies with
respect to certain liabilities, including liabilities under the Securities Act or the Securities Exchange Act of 1934, as amended (the Exchange Act). See “Plan of Distribution” beginning on page
S-12 for additional information regarding the compensation to be paid to Je