Insider Trading April 6, 2026

Arteris CEO Charles Janac Disposes $375K in Stock Across Two April Trades

Sales tied to RSU tax withholding and a prearranged 10b5-1 plan come as Arteris shares rally sharply year-over-year

By Priya Menon AIP
Arteris CEO Charles Janac Disposes $375K in Stock Across Two April Trades
AIP

Charles Janac, president and chief executive of Arteris, Inc. (NASDAQ:AIP), sold a combined $375,438 of company stock in two transactions on April 2 and April 6. The April 2 sales covered tax obligations from restricted stock units, while the April 6 sale occurred under a 10b5-1 plan adopted March 5, 2025. The moves coincide with a steep share-price run over the past year and a market capitalization of $827.5 million.

Key Points

  • Charles Janac sold 9,009 shares on April 2 at $17.6528 per share for $159,034 to cover RSU-related tax obligations.
  • On April 6, Janac sold 11,800 shares under a 10b5-1 plan adopted March 5, 2025, at a weighted average price of $18.3394, totaling $216,404.
  • Arteris stock has climbed 205% over the past year and 22% in the last week; market capitalization is $827.5 million.

Charles Janac, president and CEO of Arteris, Inc. (NASDAQ:AIP), executed insider sales totaling $375,438 across two dates in early April.

On April 2, Janac sold 9,009 shares of Arteris common stock in several transactions at a price of $17.6528 per share, generating proceeds of $159,034. Those sales were carried out to meet tax liabilities associated with the release of restricted stock units.

Four days later, on April 6, Janac sold an additional 11,800 shares. The April 6 dispositions were executed at prices ranging from $18.20 to $18.63, producing a weighted average price of $18.3394 and total proceeds of $216,404. Janac made the April 6 sale pursuant to a pre-established Rule 10b5-1 trading plan that he adopted on March 5, 2025.

After these transactions, Janac's direct ownership in Arteris stands at 196,729 shares of common stock. He also holds indirect interests amounting to 9,189,071 shares through Bayview Legacy, LLC, and 56,252 shares through the Charles and Lydia Janac Trust.

The insider sales occurred against a backdrop of significant share-price appreciation for Arteris. The stock has risen 205% over the past year and gained 22% in the most recent week. The company is currently valued at a market capitalization of $827.5 million.

Investor-oriented analysis from InvestingPro flagged Arteris as appearing overvalued at current levels. The commentary suggested that deeper valuation and growth analysis is available through a comprehensive Pro Research Report covering this and other U.S. equities.

Separately, Arteris reported fourth-quarter 2025 results that exceeded consensus estimates on both revenue and earnings per share. The company recorded revenue of $20.1 million, ahead of the projected $18.55 million, and reported EPS of negative $0.05 versus an expected negative $0.07. Those results were noted as outperforming forecasts and were highlighted in discussions of the company's recent financial performance.


Context and implications

The April 2 trades were explicitly tied to tax withholding obligations arising from RSU vesting. The April 6 sale was executed under a prearranged 10b5-1 plan adopted March 5, 2025. Beyond the mechanics of these specific sales, the transactions were recorded as insider activity while the share price has seen a marked increase year-over-year.

Risks

  • Stock sales by the CEO could influence investor sentiment in the technology and semiconductor IP sectors.
  • Valuation concerns noted by InvestingPro - Arteris was characterized as appearing overvalued at current price levels.
  • Market reactions to quarterly results and insider transactions may introduce short-term volatility in Arteris shares.

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