Chen Sean Chihhsiang
CIK: 0002078559•President and COO
Officer
Primary company: Ambiq Micro, Inc. (AMBQ)
Chen Sean Chihhsiang is a corporate insider (President and COO) at Ambiq Micro, Inc. (AMBQ) filing SEC Form 4 transactions. 29 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 | 15,000 | $8.12 | $122K | 119,423 | 10/14/2026 Filed: 10/14/2026 | Filing → | |
| Sale | 200 | $54.27 | $11K | 106,268 | 10/14/2026 Filed: 10/14/2026 | Filing → | |
| Sale | 4,000 | $53.44 | $214K | 106,468 | 10/14/2026 Filed: 10/14/2026 | Filing → | |
| Sale | 2,000 | $52.47 | $105K | 110,468 | 10/14/2026 Filed: 10/14/2026 | Filing → | |
| Sale | 1,261 | $51.53 | $65K | 112,468 | 10/14/2026 Filed: 10/14/2026 | Filing → | |
| Sale | 7,539 | $50.13 | $378K | 113,729 | 10/14/2026 Filed: 10/14/2026 | Filing → | |
| Exercise | 15,000 | $8.12 | $122K | 121,268 | 10/14/2026 Filed: 10/14/2026 | Filing → | |
| Sale | 100 | $69.51 | $7K | 106,268 | 10/5/2026 Filed: 10/2/2026 | Filing → | |
| Sale | 800 | $68.08 | $54K | 106,368 | 10/5/2026 Filed: 10/2/2026 | Filing → | |
| Sale | 1,797 | $67.29 | $121K | 107,168 | 10/5/2026 Filed: 10/2/2026 | Filing → | |
| Sale | 5,508 | $66.38 | $366K | 108,965 | 10/5/2026 Filed: 10/2/2026 | Filing → | |
| Sale | 302 | $71.86 | $22K | 114,473 | 10/2/2026 Filed: 10/2/2026 | Filing → | |
| Sale | 3,008 | $69.77 | $210K | 114,775 | 10/2/2026 Filed: 10/2/2026 | Filing → | |
| Sale | 2,492 | $69.11 | $172K | 117,783 | 10/2/2026 Filed: 10/2/2026 | Filing → | |
| Exercise | 15,000 | $8.12 | $122K | 134,423 | 9/14/2026 Filed: 9/14/2026 | Filing → | |
| Sale | 1,400 | $60.83 | $85K | 120,275 | 9/14/2026 Filed: 9/14/2026 | Filing → | |
| Sale | 11,000 | $60.24 | $663K | 121,675 | 9/14/2026 Filed: 9/14/2026 | Filing → | |
| Sale | 2,600 | $59.36 | $154K | 132,675 | 9/14/2026 Filed: 9/14/2026 | Filing → | |
| Exercise | 15,000 | $8.12 | $122K | 135,275 | 9/14/2026 Filed: 9/14/2026 | Filing → | |
| Exercise | 15,000 | $8.12 | $122K | 149,423 | 9/4/2026 Filed: 9/4/2026 | Filing → |
Type
Exercise
Shares
15,000
Price
$8.12
Value
$122K
Type
Sale
Shares
200
Price
$54.27
Value
$11K
Type
Sale
Shares
4,000
Price
$53.44
Value
$214K
Type
Sale
Shares
2,000
Price
$52.47
Value
$105K
Type
Sale
Shares
1,261
Price
$51.53
Value
$65K
Type
Sale
Shares
7,539
Price
$50.13
Value
$378K
Type
Exercise
Shares
15,000
Price
$8.12
Value
$122K
Type
Sale
Shares
100
Price
$69.51
Value
$7K
Type
Sale
Shares
800
Price
$68.08
Value
$54K
Type
Sale
Shares
1,797
Price
$67.29
Value
$121K
Type
Sale
Shares
5,508
Price
$66.38
Value
$366K
Type
Sale
Shares
302
Price
$71.86
Value
$22K
Type
Sale
Shares
3,008
Price
$69.77
Value
$210K
Type
Sale
Shares
2,492
Price
$69.11
Value
$172K
Type
Exercise
Shares
15,000
Price
$8.12
Value
$122K
Type
Sale
Shares
1,400
Price
$60.83
Value
$85K
Type
Sale
Shares
11,000
Price
$60.24
Value
$663K
Type
Sale
Shares
2,600
Price
$59.36
Value
$154K
Type
Exercise
Shares
15,000
Price
$8.12
Value
$122K
Type
Exercise
Shares
15,000
Price
$8.12
Value
$122K
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