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 |
| 2026-05-27 Sale | 2026-05-29 7:51 pm | Ambiq Micro Inc. | AMBQ | Chen Timothy Director | 70,592 | $79.79 | $5,632,525 | 47,618 (Indirect Direct) | View |
| 2026-05-14 Sale | 2026-05-18 6:12 pm | Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer | 26,000 | $69.9 | $1,817,412 | 328,109 (Direct) | View |
| 2026-05-14 Sale | 2026-05-18 5:59 pm | Ambiq Micro Inc. | AMBQ | Hanson Scott McLean Chief Technology Officer | 10,200 | $69.24 | $706,252 | 357,884 (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 |
| 2026-05-14 Sale | 2026-05-18 5:44 pm | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 60,000 | $70.02 | $4,201,122 | 993,216 (Direct) | View |
| 2026-04-02 Sale | 2026-04-06 5:01 pm | Ambiq Micro Inc. | AMBQ | Connors Michele Kim General Counsel | 811 | $26.15 | $21,210 | 60,554 (Direct) | View |
| 2026-01-26 Sale | 2026-01-28 6:15 pm | Ambiq Micro Inc. | AMBQ | TAUTGES JOSEPH A Director | 7,800 | $31 | $241,800 | 48,746 (Direct) | View |
| 2026-01-26 Sale | 2026-01-28 6:12 pm | Ambiq Micro Inc. | AMBQ | Hanson Scott McLean Chief Technology Officer | 10,000 | $31 | $310,000 | 122,818 (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 |
| 2026-06-08 Option Award | 2026-06-10 5:01 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | HSIEH Wen Hsuan Director | 4,957 | $0 | 638,877 (Direct) | View |
| 2026-06-08 Option Award | 2026-06-10 4:46 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Timothy Director | 4,957 | $0 | 52,575 (Direct) | View |
| 2026-06-08 Option Award | 2026-06-10 4:45 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Banks Bernard Bennett Director | 4,957 | $0 | 4,957 (Direct) | View |
| 2026-06-08 Option Award | 2026-06-10 4:43 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | TAUTGES JOSEPH A Director | 4,957 | $0 | 53,703 (Direct) | View |
| 2026-06-08 Option Award | 2026-06-10 4:42 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | ZHANG KER Director | 4,957 | $0 | 28,766 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 5:01 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer | 5,952 | $16.8 | 211,252 (Direct) | View |
| 2026-06-02 Exercise | 2026-06-04 5:01 pm | N/A 2035-06-09 | Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer | 5,952 | $0 | 211,252 (Direct) | View |
| 2025-07-31 Conversion(A) | 2026-05-29 7:49 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Timothy Director | 1,778,445 | $0 | 70,592 (Indirect) | View |
Ownership(A) | 2026-05-29 7:47 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Chen Timothy Director | 0 | $0 | 70,592 (Indirect) | View |
| 2026-05-14 Exercise | 2026-05-18 6:12 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer | 31,952 | $16.8 | 328,109 (Direct) | View |
| 2026-05-14 Exercise | 2026-05-18 6:12 pm | N/A 2035-06-09 | Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer | 31,952 | $0 | 328,109 (Direct) | View |
| 2026-05-14 Exercise | 2026-05-18 5:59 pm | N/A 2028-10-01 | Ambiq Micro Inc. | AMBQ | Hanson Scott McLean Chief Technology Officer | 18,300 | $0 | 357,884 (Direct) | View |
| 2026-05-14 Exercise | 2026-05-18 5:59 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Hanson Scott McLean Chief Technology Officer | 18,300 | $8.12 | 357,884 (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 |
| 2026-05-14 Exercise | 2026-05-18 5:44 pm | N/A 2029-02-20 | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 120,000 | $0 | 993,216 (Direct) | View |
| 2026-05-14 Exercise | 2026-05-18 5:44 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 105,463 | $8.12 | 993,216 (Direct) | View |
| 2026-05-15 Exercise | 2026-05-18 5:44 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 14,537 | $12.6 | 993,216 (Direct) | View |
| 2026-03-06 Option Award(A) | 2026-04-02 4:36 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer | 41,728 | $0 | 94,395 (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(A) | 2026-04-02 4:35 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Hanson Scott McLean Chief Technology Officer | 80,308 | $0 | 203,126 (Direct) | View |
| 2026-03-06 Option Award(A) | 2026-04-02 4:34 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 160,616 | $0 | 391,189 (Direct) | View |
| 2026-03-06 Option Award(A) | 2026-04-02 4:32 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Connors Michele Kim General Counsel | 32,123 | $0 | 61,365 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 5:12 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Connors Michele Kim General Counsel | 32,123 | $0 | 61,365 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 5:06 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer | 41,728 | $0 | 94,395 (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 |
| 2026-03-06 Option Award | 2026-03-10 5:00 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Hanson Scott McLean Chief Technology Officer | 80,308 | $0 | 203,126 (Direct) | View |
| 2026-03-06 Option Award | 2026-03-10 4:49 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 160,616 | $0 | 391,189 (Direct) | View |
| 2026-02-18 Exercise | 2026-02-20 5:47 pm | N/A 2034-06-01 | Ambiq Micro Inc. | AMBQ | HSIEH Wen Hsuan Director | 238,931 | $0 | 633,920 (Indirect) | View |
| 2026-02-18 Exercise | 2026-02-20 5:47 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | HSIEH Wen Hsuan Director | 238,931 | $12.6 | 633,920 (Indirect) | View |
| 2025-10-07 Exercise | 2026-02-10 8:08 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 53,660 | $5.88 | 230,573 (Direct) | View |
| 2025-10-07 Exercise | 2026-02-10 8:08 pm | N/A 2026-01-11 | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 53,660 | $0 | 230,573 (Direct) | View |
| 2026-01-05 Option Award | 2026-01-07 6:04 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Connors Michele Kim General Counsel | 29,242 | $0 | 29,242 (Direct) | View |
| 2025-10-02 Option Award | 2025-10-06 5:58 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Winzeler Jeffrey G Chief Financial Officer | 52,667 | $0 | 52,667 (Direct) | View |
| 2025-10-02 Option Award | 2025-10-06 5:57 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Hanson Scott McLean Chief Financial Officer | 83,819 | $0 | 132,818 (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 |
| 2025-10-02 Option Award | 2025-10-06 5:55 pm | N/A N/A | Ambiq Micro Inc. | AMBQ | Esaka Fumihide Chief Executive Officer | 159,907 | $0 | 176,913 (Direct) | View |
| 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 |