Chen Sean Chihhsiang sold AMBQ
May 15, 2026 · Form 4 insider transaction
Chen Sean Chihhsiang sold 23,334 shares of Ambiq Micro, Inc. at $71.37 per share, a transaction worth $1.67M. The trade was recorded as open-market sale and disclosed on an SEC Form 4, filed 3 days after the transaction.
Direction
Disposed (sell-side)
Shares
23,334
Price
$71.37
Total value
$1.67M
InsiderChen Sean Chihhsiang
RoleOfficer
CompanyAmbiq Micro, Inc. (AMBQ)
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateMay 15, 2026
Filing dateMay 18, 2026
Shares owned after120,275
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
The reported price in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $71.025 to $71.85 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.