Ambiq Micro, Inc. (AMBQ) has 10 SEC Form 4 insider filings on record in the last 90 days. No insider purchases were filed — 1 sales totalling $634K. Most recent filing: Sept. 17, 2026.
| Date | Insider | Value | Shares | Stake | Pre-planned | Links |
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| Sept. 17, 2026 filed Sept. 15, 2026 | Hanson Scott McLean Chief Technology Officer | $365,102 | 21,000 | 0% | Yes | |
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| Sept. 15, 2026 filed Sept. 14, 2026 | Chen Sean Chihhsiang President and COO | $780,330 | 45,000 | 0% | Yes | |
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| Sept. 15, 2026 filed Sept. 11, 2026 | ZHANG KER Director | −$634,361 | 10,000 | −33% | No | |
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| Sept. 15, 2026 filed Sept. 11, 2026 | Esaka Fumihide Chief Executive Officer | — | 0 | 0% | Yes | |
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| Sept. 9, 2026 filed Sept. 4, 2026 | Chen Sean Chihhsiang President and COO | $735,758 | 45,000 | 0% | Yes | |
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Showing the 5 most recent of 10 filings in the last 90 days.
Form 4 is the filing company officers, directors and 10% shareholders must submit to the SEC within two business days of trading their own company's stock. Open-market purchases generally carry more signal than sales, which are often scheduled in advance. More on how this works.
Real-time Telegram alerts the moment a Form 4 is filed. Filings shown here are delayed by 72 hours.
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