Esaka Fumihide
CIK: 0002078454•Chief Executive Officer
OfficerDirector
Primary company: Ambiq Micro, Inc. (AMBQ)
Esaka Fumihide is a corporate insider (Chief Executive Officer) at Ambiq Micro, Inc. (AMBQ) filing SEC Form 4 transactions. 49 transactions. Source: SEC EDGAR.
Companies
Transaction History
Source: SEC EDGAR Form 4 insider transaction filings.
Company | Type | Shares | Price | Value | Shares After | Date | SEC |
|---|---|---|---|---|---|---|---|
| Exercise | 5,000 | $8.12 | $41K | 53,507 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Sale | 1,200 | $51.85 | $62K | 443,900 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Sale | 2,800 | $51.15 | $143K | 445,100 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Sale | 500 | $50.02 | $25K | 447,900 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Sale | 500 | $49.13 | $25K | 448,400 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Exercise | 5,000 | $8.12 | $41K | 448,900 | 10/15/2026 Filed: 10/15/2026 | Filing → | |
| Sale | 862 | $71.86 | $62K | 443,900 | 10/2/2026 Filed: 10/2/2026 | Filing → | |
| Sale | 8,585 | $69.77 | $599K | 444,762 | 10/2/2026 Filed: 10/2/2026 | Filing → | |
| Sale | 7,113 | $69.11 | $492K | 453,347 | 10/2/2026 Filed: 10/2/2026 | Filing → | |
| Exercise | 13,500 | $8.12 | $110K | 58,507 | 9/15/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 100 | $61.00 | $6K | 460,460 | 9/15/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 9,615 | $60.55 | $582K | 460,560 | 9/15/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 3,785 | $59.56 | $225K | 470,175 | 9/15/2026 Filed: 9/11/2026 | Filing → | |
| Exercise | 13,500 | $8.12 | $110K | 473,960 | 9/15/2026 Filed: 9/11/2026 | Filing → | |
| Exercise | 30,993 | $12.60 | $391K | 144,279 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Exercise | 19,007 | $12.60 | $239K | 0 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 7,917 | $63.86 | $506K | 460,460 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Sale | 42,083 | $63.27 | $2.66M | 468,377 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Exercise | 50,000 | $12.60 | $630K | 510,460 | 9/11/2026 Filed: 9/11/2026 | Filing → | |
| Exercise | 11,027 | $12.60 | $139K | 19,007 | 9/2/2026 Filed: 8/31/2026 | Filing → |
Type
Exercise
Shares
5,000
Price
$8.12
Value
$41K
Type
Sale
Shares
1,200
Price
$51.85
Value
$62K
Type
Sale
Shares
2,800
Price
$51.15
Value
$143K
Type
Sale
Shares
500
Price
$50.02
Value
$25K
Type
Sale
Shares
500
Price
$49.13
Value
$25K
Type
Exercise
Shares
5,000
Price
$8.12
Value
$41K
Type
Sale
Shares
862
Price
$71.86
Value
$62K
Type
Sale
Shares
8,585
Price
$69.77
Value
$599K
Type
Sale
Shares
7,113
Price
$69.11
Value
$492K
Type
Exercise
Shares
13,500
Price
$8.12
Value
$110K
Type
Sale
Shares
100
Price
$61.00
Value
$6K
Type
Sale
Shares
9,615
Price
$60.55
Value
$582K
Type
Sale
Shares
3,785
Price
$59.56
Value
$225K
Type
Exercise
Shares
13,500
Price
$8.12
Value
$110K
Type
Exercise
Shares
30,993
Price
$12.60
Value
$391K
Type
Exercise
Shares
19,007
Price
$12.60
Value
$239K
Type
Sale
Shares
7,917
Price
$63.86
Value
$506K
Type
Sale
Shares
42,083
Price
$63.27
Value
$2.66M
Type
Exercise
Shares
50,000
Price
$12.60
Value
$630K
Type
Exercise
Shares
11,027
Price
$12.60
Value
$139K
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