Form 4: Ambiq Micro CEO Sells Shares
Insider Transaction (Form 4)
Fumihide Esaka, Chief Executive Officer and a Director of Ambiq Micro, Inc., sold 16,560 shares of common stock on October 2, 2026.
Summary
- Open-market sale: disposed of 7,113 Common Stock at $69.11 ($491,567) on October 2, 2026; holds 453,347 after (Direct).
- Open-market sale: disposed of 8,585 Common Stock at $69.77 ($598,994) on October 2, 2026; holds 444,762 after (Direct).
- Open-market sale: disposed of 862 Common Stock at $71.86 ($61,943) on October 2, 2026; holds 443,900 after (Direct).
Sentiment
Score: 3
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $1,152,504 of stock on the open market.
Insider Transactions
Fumihide Esaka — Director, Officer (Chief Executive Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-10-02 | Open-market sale | Common Stock | 7,113 | $69 | $491.6K | 453,347 |
| 2026-10-02 | Open-market sale | Common Stock | 8,585 | $70 | $599.0K | 444,762 |
| 2026-10-02 | Open-market sale | Common Stock | 862 | $72 | $61.9K | 443,900 |
Key Dates
| Date | Description |
|---|---|
| 2026-10-02 | Open-market sale (7,113 shares) |
| 2026-10-02 | Open-market sale (8,585 shares) |
| 2026-10-02 | Open-market sale (862 shares) |
Keywords
insider transaction, Form 4, AMBQ, Ambiq Micro, Inc., bearish, Fumihide Esaka
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