Esaka Fumihide
SEC insider (Form 3/4/5 filer). CIK 0002078454. Chief Executive Officer at Ambiq Micro, Inc. (AMBQ). 39 reported Form 4/5 transactions since Sep 2024; latest on Oct 15, 2026. Located in AUSTIN, TX.
Companies Esaka Fumihide has filed insider reports for
- Ambiq Micro, Inc. (AMBQ): Director, Officer, Chief Executive Officer
Esaka Fumihide
CIK: 0002078454
Transaction Breakdown
High conviction signal
Position reduction
Derivative conversions
Compensation grants
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
Ambiq Micro, Inc.
Discretionary Trading P&L
Holdings
Transaction History (39 total)
- Oct 15, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect2.8K shares at avg. $51.15$143K - Oct 15, 2026AMBQ
Ambiq Micro, Inc.
ExerciseDirect5K shares at avg. $8.12$41K - Oct 15, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect1.2K shares at avg. $51.85$62K - Oct 15, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect500 shares at avg. $49.13$25K - Oct 15, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect500 shares at avg. $50.02$25K - Oct 2, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect8.6K shares at avg. $69.77$599K - Oct 2, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect7.1K shares at avg. $69.11$492K - Oct 2, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect862 shares at avg. $71.86$62K - Sep 15, 2026AMBQ
Ambiq Micro, Inc.
ExerciseDirect13.5K shares at avg. $8.12$110K - Sep 15, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect3.8K shares at avg. $59.56$225K
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Oct 15, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 2,800 | $51.15 | $143,214 | Direct |
| Oct 15, 2026 | AMBQ Ambiq Micro, Inc. | Exercise | 5,000 | $8.12 | $40,600 | Direct |
| Oct 15, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 1,200 | $51.85 | $62,226 | Direct |
| Oct 15, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 500 | $49.13 | $24,567 | Direct |
| Oct 15, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 500 | $50.02 | $25,011 | Direct |
| Oct 2, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 8,585 | $69.77 | $598,994 | Direct |
| Oct 2, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 7,113 | $69.11 | $491,567 | Direct |
| Oct 2, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 862 | $71.86 | $61,943 | Direct |
| Sep 15, 2026 | AMBQ Ambiq Micro, Inc. | Exercise | 13,500 | $8.12 | $109,620 | Direct |
| Sep 15, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 3,785 | $59.56 | $225,444 | Direct |
1-10 of 39 transactions