Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>

Stock options: Exercise, Award, Grant, Conversion
Transaction Date |
Reported DateTime |
Exercisable Expiration |
Company | Symnbol | Insider Relationship |
Shares Traded |
Conversion Price |
Shares Owned |
Filing |
2025-07-31 Conversion |
2025-07-31 7:37 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | KPCB XVI Associates LLC Kleiner Perkins Caufield & Byers XVI LLC 10% Owner |
1,258,574 | $0 | 1,488,949 (Indirect) |
View |
2025-07-31 Conversion |
2025-07-31 6:27 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | HSIEH Wen Hsuan Director |
394,989 | $0 | 394,989 (Indirect) |
View |
2025-07-29 Option Award |
2025-07-31 6:23 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | Chen Timothy Director |
47,618 | $0 | 47,618 (Direct) |
View |
2025-07-29 Option Award |
2025-07-31 6:19 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | ZHANG KER Director |
23,809 | $0 | 23,809 (Direct) |
View |
2025-07-29 Option Award |
2025-07-31 6:14 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | TAUTGES JOSEPH A Director |
56,546 | $0 | 56,546 (Direct) |
View |
Ownership |
2025-07-29 7:45 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | KPCB XVI Associates LLC Kleiner Perkins Caufield & Byers XVI LLC 10% Owner |
0 | $0 | 1,488,949 (Indirect) |
View |
Ownership |
2025-07-29 6:22 pm |
N/A 2026-09-07 |
Ambiq Micro Inc. | AMBQ | ZHANG KER Director |
0 | $0 | 32,141 (Direct) |
View |
Ownership |
2025-07-29 6:20 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | HSIEH Wen Hsuan Director |
0 | $0 | 633,920 (Indirect) |
View |
Ownership |
2025-07-29 6:18 pm |
N/A 2035-06-09 |
Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer |
0 | $0 | 142,857 (Direct) |
View |
Ownership |
2025-07-29 6:17 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | Hanson Scott McLean Chief Financial Officer |
0 | $0 | 463,442 (Direct) |
View |
Ownership |
2025-07-29 6:16 pm |
N/A 2026-11-02 |
Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO |
0 | $0 | 428,255 (Direct) |
View |
Ownership |
2025-07-29 6:14 pm |
N/A N/A |
Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer |
0 | $0 | 588,223 (Direct) |
View |