Insider trading activities (stock purchases, sales, and option exercises) reported by insiders of Ambiq Micro, Inc. (AMBQ) since 2025 are shown in Table 1 and Table 2. Table 1 shows the monthly insider trading data of Ambiq Micro, Inc.. Table 2 shows the detailed insider transactions. This company's CIK number is 1500412.
Total stock buying since 2025: $0.
Total stock sales since 2025: $11,262,136.
Total stock option exercises since 2025: $5,447,664.
| Insider Buying | Insider Sales | Option Exercises | ||||
|---|---|---|---|---|---|---|
| Year | Shares | Value | Shares | Value | Shares | Value |
| 2026 | 0 | $0 | 170,496 | $11,262,136 | 464,868 | $5,132,144 |
| 2025 | 0 | $0 | 0 | $0 | 53,660 | $315,520 |
| Trading Period | Insider Buying | Insider Sales | Option Exercises | |||
|---|---|---|---|---|---|---|
| year-month | Shares | Value | Shares | Value | Shares | Value |
| 2026-05 | 0 | $0 | 151,885 | $10,688,971 | 225,937 | $2,121,614 |
| 2026-04 | 0 | $0 | 811 | $21,365 | 0 | $0 |
| 2026-02 | 0 | $0 | 0 | $0 | 238,931 | $3,010,530 |
| 2026-01 | 0 | $0 | 17,800 | $551,800 | 0 | $0 |
| 2025-10 | 0 | $0 | 0 | $0 | 53,660 | $315,520 |
| Trade Date | Insider Name | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2026-05-15 | Chen Sean Chihhsiang (President and COO) | Sale | 55,685 | 70.95 | 3,951,073 |
| 2026-05-15 | Chen Sean Chihhsiang (President and COO) | Option Ex | 55,685 | 5.88 | 327,427 |
| 2026-05-15 | Esaka Fumihide (Chief Executive Officer) | Option Ex | 60,000 | 10.36 | 621,600 |
| 2026-05-15 | Hanson Scott Mclean (Chief Technology Officer) | Option Ex | 8,100 | 8.12 | 65,772 |
| 2026-05-15 | Winzeler Jeffrey G (Chief Financial Officer) | Option Ex | 5,952 | 16.80 | 99,993 |
| 2026-05-14 | Esaka Fumihide (Chief Executive Officer) | Sale | 60,000 | 70.02 | 4,201,140 |
| 2026-05-14 | Esaka Fumihide (Chief Executive Officer) | Option Ex | 60,000 | 8.12 | 487,199 |
| 2026-05-14 | Hanson Scott Mclean (Chief Technology Officer) | Sale | 10,200 | 69.57 | 709,634 |
| 2026-05-14 | Hanson Scott Mclean (Chief Technology Officer) | Option Ex | 10,200 | 8.12 | 82,823 |
| 2026-05-14 | Winzeler Jeffrey G (Chief Financial Officer) | Sale | 26,000 | 70.27 | 1,827,124 |
| 2026-05-14 | Winzeler Jeffrey G (Chief Financial Officer) | Option Ex | 26,000 | 16.80 | 436,800 |
| 2026-04-02 | Connors Michele Kim (General Counsel) | Sale | 811 | 26.34 | 21,365 |
| 2026-02-18 | Hsieh Wen Hsuan | Option Ex | 238,931 | 12.60 | 3,010,530 |
| 2026-01-26 | Hanson Scott Mclean (Chief Technology Officer) | Sale | 10,000 | 31.00 | 310,000 |
| 2026-01-26 | Tautges Joseph A | Sale | 7,800 | 31.00 | 241,800 |
| 2025-10-07 | Esaka Fumihide (Chief Executive Officer) | Option Ex | 53,660 | 5.88 | 315,520 |
Insider trading activities including stock purchases, stock sales, and option exercises of AMBQ listed in the above tables cannot be completely guaranteed as to their accuracy. For more insider trading information of Ambiq Micro, Inc. (symbol AMBQ, CIK number 1500412) see the Securities and Exchange Commission (SEC) website.