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Stock Insider Trading Activity of Chen Sean Chihhsiang
Chen Sean Chihhsiang
Sell
President and COO
AMBQ Oct 14, 2026
Avg Cost/Share
$52.37
Shares
15,000
Total Value
$772,438.22
Owned After
113,729
Chen Sean Chihhsiang
Sell
President and COO
AMBQ Oct 5, 2026
Avg Cost/Share
$67.81
Shares
8,205
Total Value
$547,950.13
Owned After
113,729
Chen Sean Chihhsiang
Sell
President and COO
AMBQ Oct 2, 2026
Avg Cost/Share
$70.25
Shares
5,802
Total Value
$403,794.14
Owned After
113,729
Chen Sean Chihhsiang
Sell
President and COO
AMBQ Sep 4, 2026
Avg Cost/Share
$57.38
Shares
15,000
Total Value
$857,557.59
Owned After
113,729
| Insider | Ticker | Relationship | Date | Transaction | Avg Cost | Shares | Total Value | Owned After | SEC Forms |
|---|---|---|---|---|---|---|---|---|---|
| Chen Sean Chihhsiang | AMBQ | President and COO | Oct 14, 2026 | Sell | $52.37 | 15,000 | $772,438.22 | 113,729 | |
| Chen Sean Chihhsiang | AMBQ | President and COO | Oct 5, 2026 | Sell | $67.81 | 8,205 | $547,950.13 | 113,729 | |
| Chen Sean Chihhsiang | AMBQ | President and COO | Oct 2, 2026 | Sell | $70.25 | 5,802 | $403,794.14 | 113,729 | |
| Chen Sean Chihhsiang | AMBQ | President and COO | Sep 4, 2026 | Sell | $57.38 | 15,000 | $857,557.59 | 113,729 |