Senior insider sale
President and COO at AMBIQ MICRO, INC. — senior position signals high conviction
$2.16M
35.80K shares
What this filing means
CHEN SEAN CHIHHSIANG plans to sell 35.80K shares of AMBIQ MICRO, INC. valued at approximately $2.16M. 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.
Filed: 10/2/2026ACC: 0002078559-26-000012
Officer· President and COO
Since Mar 2026
35.80K
Shares to sell
$2.16M
Approx. market value
5.80K
Acquired (3 months)
1
Planned
2 completed
Securities Acquired — Last 3 Months1
Restricted Stock Units
Services Rendered
10/2/2025
5.80KTotal acquired5.80K
| Acquisition Date | Type | Amount Acquired | Gift |
|---|---|---|---|
10/2/2025 | Restricted Stock Units Services Rendered | 5.80K | — |
| Total | 5.80K | ||
Planned & Completed Dispositions3
Completed
—Completed
Units to sell
15K
Market value
$902.1K
9/14/2026
—Completed
Units to sell
15K
Market value
$857.6K
9/4/2026
Planned — Approximate Date
NYSEPlanned
Units to sell
5.80K
Market value
$401.2K
10/2/2026
Total
Units
35.80K
Value
$2.16M
| Date | Units to Sell | Approx. Market Value | Exchange | Status |
|---|---|---|---|---|
| Completed | ||||
9/14/2026 | 15K | $902.1K | — | Completed |
9/4/2026 | 15K | $857.6K | — | Completed |
| Planned — Approximate Date | ||||
10/2/2026 | 5.80K | $401.2K | NYSE | Planned |
| Total | 35.80K | $2.16M | ||