Form 4: Ambiq Micro CFO Sells Shares
Insider Transaction (Form 4)
Jeffrey G Winzeler, Chief Financial Officer of Ambiq Micro, Inc., sold 5,455 shares of common stock on October 2, 2026.
Summary
- Open-market sale: disposed of 2,343 Common Stock at $69.11 ($161,921) on October 2, 2026; holds 103,956 after (Direct).
- Open-market sale: disposed of 2,828 Common Stock at $69.77 ($197,316) on October 2, 2026; holds 101,128 after (Direct).
- Open-market sale: disposed of 284 Common Stock at $71.86 ($20,408) on October 2, 2026; holds 100,844 after (Direct).
Sentiment
Score: 4
Explanation: StockSavvy.ai views this as a mildly negative signal: an insider sold $379,645 of stock on the open market.
Insider Transactions
Jeffrey G Winzeler — Officer (Chief Financial Officer)
| Date | Transaction | Security | Shares | Price | Value | Held After |
|---|---|---|---|---|---|---|
| 2026-10-02 | Open-market sale | Common Stock | 2,343 | $69 | $161.9K | 103,956 |
| 2026-10-02 | Open-market sale | Common Stock | 2,828 | $70 | $197.3K | 101,128 |
| 2026-10-02 | Open-market sale | Common Stock | 284 | $72 | $20.4K | 100,844 |
Key Dates
| Date | Description |
|---|---|
| 2026-10-02 | Open-market sale (2,343 shares) |
| 2026-10-02 | Open-market sale (2,828 shares) |
| 2026-10-02 | Open-market sale (284 shares) |
Keywords
insider transaction, Form 4, AMBQ, Ambiq Micro, Inc., bearish, Jeffrey G Winzeler
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