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>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2026-10-14 Sale | 2026-10-16 4:51 pm | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $51.5 | $772,438 | 225,691 (Direct) | View |
| 2026-10-02 Sale | 2026-10-06 6:45 pm | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 14,007 | $67.95 | $951,744 | 106,268 (Direct) | View |
| 2026-09-14 Sale | 2026-09-15 6:57 pm | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $60.14 | $902,130 | 254,698 (Direct) | View |
| 2026-09-04 Sale | 2026-09-09 5:10 pm | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $57.17 | $857,558 | 269,698 (Direct) | View |
| 2026-05-15 Sale | 2026-05-18 5:48 pm | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 55,685 | $70.89 | $3,947,281 | 120,276 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2026-10-14 Exercise | 2026-10-16 4:51 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $8.12 | 225,691 (Direct) | View |
| 2026-10-14 Exercise | 2026-10-16 4:51 pm | N/A 2029-02-20 | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $0 | 225,691 (Direct) | View |
| 2026-09-14 Exercise | 2026-09-15 6:57 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $8.12 | 254,698 (Direct) | View |
| 2026-09-14 Exercise | 2026-09-15 6:57 pm | N/A 2029-02-20 | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $0 | 254,698 (Direct) | View |
| 2026-09-04 Exercise | 2026-09-09 5:10 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $8.12 | 269,698 (Direct) | View |
| 2026-09-04 Exercise | 2026-09-09 5:10 pm | N/A 2029-02-20 | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 15,000 | $0 | 269,698 (Direct) | View |
| 2026-05-15 Exercise | 2026-05-18 5:48 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 55,685 | $5.88 | 120,276 (Direct) | View |
| 2026-05-15 Exercise | 2026-05-18 5:48 pm | N/A 2026-11-02 | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 55,685 | $0 | 120,276 (Direct) | View |
| 2026-03-06 Option Award(A) | 2026-04-02 4:35 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 64,246 | $0 | 120,275 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 5:02 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 64,246 | $0 | 120,275 (Direct) | View |
| 2025-10-02 Option Award | 2025-10-06 5:56 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Sean Chihhsiang President and COO | 56,029 | $0 | 56,029 (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 |