CIK 0001500412 · Non-accelerated filer<br>Smaller reporting company<br>Emerging growth company
Ambiq Micro, Inc.
Sign in to watch- Ticker
- AMBQ
- Exchange
- NYSE
- Industry
- Semiconductors & Related Devices
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 271911389
- Phone
- (512) 879-2850
- Business address
- 6500 RIVER PLACE BOULEVARD, BUILDING 7, SUITE 200, AUSTIN, TX, 78730
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $20,736,302
- in 15 filings, $14.7M under 10b5-1 plans
Net −$20,736,302. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Who's trading
90 days
- Esaka Fumihide −$11.6M Chief Executive Officer sold 30% of stake
- Hanson Scott McLean −$4.7M Chief Technology Officer sold 27% of stake
- Chen Sean Chihhsiang −$3.5M President and COO sold 36% of stake
- ZHANG KER −$645K Director sold 33% of stake
- Winzeler Jeffrey G −$380K Chief Financial Officer sold 5% of stake
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2025-10-02 | Winzeler Jeffrey G Chief Financial Officer | Grant or award | +52,667 | 52,667 | ||
| 2025-07-31 | Chen Timothy Director | Conversion | +70,592 | 70,592 | ||
| 2025-07-31 | Chen Timothy Director | Conversion · Series F-1 Convertible Preferred Stock | −1,707,853 | 0 | ||
| 2025-07-31 | KPCB XVI Associates, LLC 10% owner | Conversion | +748,046 | 1,172,079 | ||
| 2025-07-31 | KPCB XVI Associates, LLC 10% owner | Conversion | +98,958 | 1,271,037 | ||
| 2025-07-31 | KPCB XVI Associates, LLC 10% owner | Conversion | +23,294 | 1,294,331 | ||
| 2025-07-31 | KPCB XVI Associates, LLC 10% owner | Conversion | +194,618 | 1,488,949 | ||
| 2025-07-31 | KPCB XVI Associates, LLC 10% owner | Conversion · Series C Convertible Preferred Stock | −748,046 | 0 | ||
| 2025-07-31 | KPCB XVI Associates, LLC 10% owner | Conversion · Series D Convertible Preferred Stock | −98,958 | 0 | ||
| 2025-07-31 | KPCB XVI Associates, LLC 10% owner | Conversion · Series E Convertible Preferred Stock | −22,594 | 0 | ||
| 2025-07-31 | KPCB XVI Associates, LLC 10% owner | Conversion · Series F Convertible Preferred Stock | −171,064 | 0 | ||
| 2025-07-31 | HSIEH Wen Hsuan Director | Conversion | +394,989 | 394,989 | ||
| 2025-07-31 | HSIEH Wen Hsuan Director | Conversion · Series G Convertible Preferred Stock | −394,989 | 0 | ||
| 2025-07-29 | Chen Timothy Director | Grant or award | +47,618 | 47,618 | ||
| 2025-07-29 | ZHANG KER Director | Grant or award | +23,809 | 23,809 | ||
| 2025-07-29 | TAUTGES JOSEPH A Director | Grant or award | +56,546 | 56,546 |
Page 9 of 9 · 176 trades