ZHANG KER
SEC insider (Form 3/4/5 filer). CIK 0001266870. Director at Ambiq Micro, Inc. (AMBQ). 6 reported Form 4/5 transactions since Sep 2024; latest on Sep 11, 2026. Located in AUSTIN, TX.
Companies ZHANG KER has filed insider reports for
- Ambiq Micro, Inc. (AMBQ): Director
ZHANG KER
CIK: 0001266870
Transaction Breakdown
Open Market Buys (P)0 (0.0%)
High conviction signal
Open Market Sales (S)3 (50.0%)
Position reduction
Option Exercises (M)1 (16.7%)
Derivative conversions
Awards (A)2 (33.3%)
Compensation grants
Other (G, F, J, C, D, …)0 (0.0%)
Gifts, tax withholding, conversions, dispositions to the issuer and other codes
Companies & Roles (1)
AMBQ
Ambiq Micro, Inc.
Director
Discretionary Trading P&L
Holdings
Transaction History (6 total)
- Sep 11, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect9.1K shares at avg. $63.39$577K - Sep 11, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect900 shares at avg. $63.95$58K - Sep 4, 2026AMBQ
Ambiq Micro, Inc.
ExerciseDirect1.8K shares at avg. $5.88$10K - Sep 4, 2026AMBQ
Ambiq Micro, Inc.
SaleDirect185 shares at avg. $56.92$11K - Jun 8, 2026AMBQ
Ambiq Micro, Inc.
AwardDirect5K shares- - Jul 29, 2025AMBQ
Ambiq Micro, Inc.
AwardDirect23.8K shares-
| Type | Shares | Price | Ownership | |||
|---|---|---|---|---|---|---|
| Sep 11, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 9,100 | $63.39 | $576,809 | Direct |
| Sep 11, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 900 | $63.95 | $57,552 | Direct |
| Sep 4, 2026 | AMBQ Ambiq Micro, Inc. | Exercise | 1,785 | $5.88 | $10,496 | Direct |
| Sep 4, 2026 | AMBQ Ambiq Micro, Inc. | Sale | 185 | $56.92 | $10,530 | Direct |
| Jun 8, 2026 | AMBQ Ambiq Micro, Inc. | Award | 4,957 | - | $0 | Direct |
| Jul 29, 2025 | AMBQ Ambiq Micro, Inc. | Award | 23,809 | - | - | Direct |
1-6 of 6 transactions