Fumihide Esaka
Director, Chief Executive Officer · 9 filings · Latest: Oct 15, 2026
Ambiq Micro, Inc.
| Ticker | Owner | Relationship | Date | Transaction | Cost | #Shares | Value ($) | #Shares Total | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|
AMBQ | FUMIHIDE ESAKA | — | Aug 14, 2026 | Proposed Sale | $64.34 | 45,500 | $2.9M | — | |
AMBQ | Fumihide Esaka | Director, Chief Executive Officer | May 15, 2026 | Option Exercise | $9.21 | 60,000 | $552.3K | 451,189 | |
AMBQ | Fumihide Esaka | Director, Chief Executive Officer | May 14, 2026 | Sale | $70.02 | 60,000 | $4.2M | 391,189 | |
AMBQ | Fumihide Esaka | Director, Chief Executive Officer | May 14, 2026 | Option Exercise | $8.12 | 60,000 | $487.2K | 451,189 | |
AMBQ | FUMIHIDE ESAKA | — | May 14, 2026 | Proposed Sale | $70.02 | 60,000 | $4.2M | — | |
AMBQ | Fumihide Esaka | Director, Chief Executive Officer | Oct 7, 2025 | Option Exercise | $5.88 | 53,660 | $315.5K | 230,573 |
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