Skip to contentEsaka Fumihide — Ambiq Micro, Inc. insider: 13 transactions · InsiderLensInsider trading activity of Esaka Fumihide
- Transactions on record
- 13
- since Oct 6, 2025
- Open-market buys
- 0
- Open-market sells
- 1
- $4.2M
- Companies traded
- 1
- last filing May 18, 2026
Figures computed from official regulatory filings — methodology.
Companies where Esaka Fumihide has traded
Track record of Esaka Fumihide
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of Esaka Fumihide
Co-insiders of Esaka Fumihide
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KPCB XVI Associates, LLCAmbiq Micro, Inc.
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 18, 2026 | ExerciseD | -7,936 | 0.00 USD | $0 | SEC |
| May 18, 2026 | Exercise | 14,537 | 12.60 USD | $183.2K | SEC |
| May 18, 2026 | Exercise | 45,463 | 8.12 USD | $369.2K | SEC |
| May 18, 2026 | ExerciseD | -60,000 | 0.00 USD | $0 | SEC |
| May 18, 2026 | ExerciseD | -6,601 | 0.00 USD | $0 | SEC |
| May 18, 2026 | ExerciseD | -45,463 | 0.00 USD | $0 | SEC |
| May 18, 2026 | Sell | -60,000 | 70.02 USD | $4.2M | SEC |
| May 18, 2026 | Exercise | 60,000 | 8.12 USD | $487.2K | SEC |
| Apr 2, 2026 | Award | 160,616 | 0.00 USD | $0 | SEC |
| Mar 10, 2026 | Award | 160,616 | 0.00 USD | $0 | SEC |
| Feb 10, 2026 | Exercise | 53,660 | 5.88 USD | $315.5K | SEC |
| Feb 10, 2026 | ExerciseD | -53,660 | 0.00 USD | $0 | SEC |
| Oct 6, 2025 | Award | 159,907 | 0.00 USD | $0 | SEC |