CHEN SEAN CHIHHSIANG

PrivateCIK: 2078559
Location

AUSTIN, TX

Senior insider sale

President and COO at AMBIQ MICRO, INC. — senior position signals high conviction

$1.69M

30K shares

What this filing means

CHEN SEAN CHIHHSIANG plans to sell 30K shares of AMBIQ MICRO, INC. valued at approximately $1.69M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderCHEN SEAN CHIHHSIANGCIK 2078559
IssuerAMBIQ MICRO, INC.CIK 1500412
Officer· President and COO
Since Mar 2026
30K
Shares to sell
$1.69M
Approx. market value
30K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
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Exercise of Stock Options

Cash

9/4/2026
30K
Total acquired30K
Planned & Completed Dispositions1
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NYSEPlanned

Units to sell

30K

Market value

$1.69M

9/4/2026
Total

Units

30K

Value

$1.69M