This Form 144 is a routine post-vesting sale by a director/10% holder who has been consistently selling under a 10b5-1 plan. No new signal — the insider's selling pattern is already well-established. Monitor for any change in the pace or size of future sales, which could indicate a shift in insider sentiment.
Price Chart
Executive Summary
Director and 10% stockholder K. Charles Janac filed a Form 144 to sell 11,452 shares of Arteris common stock, valued at approximately $282,406, on October 5, 2026. The shares were acquired via restricted stock units vesting on October 1, 2026. This is a routine sale following a vesting event, and the insider has been executing consistent sales under a 10b5-1 plan over the past several months, reducing the signaling weight of this particular filing.
Key Facts
- Insider K. Charles Janac (Director, Officer, 10% holder) intends to sell 11,452 shares of Arteris common stock.
- Proceeds estimated at $282,406 based on filing date price.
- Shares were acquired via restricted stock units that vested on October 1, 2026.
- Janac has been selling under a 10b5-1 plan, with prior sales in July, August, and September 2026 totaling over $10 million.
- The sale is a routine post-vesting disposition, not a discretionary open-market sale.
Financial Impact
Sale of 11,452 shares valued at ~$282,406 — less than 0.6% of the company's market cap based on the filing's reference to 49,152,102 shares outstanding.
Risk Factors
- Insider selling, even under a 10b5-1 plan, can signal lack of conviction if it accelerates materially beyond the established pattern.
Investment Themes
Documents Analyzed
This report is based on 3 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (Primary) | 0001950047-26-010041 |
| Document: 0001950047-26-010041-index.html | 0001950047-26-010041 |
| Document: 0001950047-26-010041.txt | 0001950047-26-010041 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 5, 2026 21d ago | 144 | $24.13 | awaiting T+60 | — | $19.44 (−19.44%) |
Oct 5, 2026 21d ago | Insider Cluster | $24.13 | awaiting T+60 | — | $19.44 (+19.44%) |
Sep 3, 2026 7w ago | Insider Cluster | $21.37 | awaiting T+60 | — | $19.44 (+9.03%) |
Sep 3, 2026 7w ago | Insider Cluster | $21.37 | awaiting T+60 | — | $19.44 (+9.03%) |
Aug 6, 2026 11w ago | Institutional Cluster | $31.62 | awaiting T+60 | — | $19.44 (−38.52%) |
Aug 5, 2026 11w ago | Insider Cluster | $31.62 | awaiting T+60 | — | $19.44 (+38.52%) |
Jul 21, 2026 13w ago | Press Release | $34.22 $19.67 | ▼ −42.52% | ▼ −45.37% | $19.44 (−43.19%) |
Jul 8, 2026 15w ago | Insider Cluster | $36.11 $24.66 | ▲ +31.71% | ▲ +34.09% | $19.44 (+46.16%) |
Jul 6, 2026 16w ago | Insider Cluster | $31.32 $23.64 | ▲ +24.52% | ▲ +26.52% | $19.44 (+37.93%) |
Jul 6, 2026 16w ago | Insider Cluster | $31.32 $23.64 | ▲ +24.52% | ▲ +26.52% | $19.44 (+37.93%) |
US Market Status
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