Pres Chen Sells 8,205 Of Ambiq Micro Inc >AMBQ

SOURCE: Form 4 ISSUER: Ambiq Micro Inc SYMBOL: AMBQ FILER: Chen Sean Chihhsiang TITLE: President DATE TRANSACTION SHARES PRICE VALUE 10/2/26 Surrender* 5,802 $69.60 $403,794 10/5/26 Sale 8,205 $66.78 $547,950 (10b5-1 Plan Indicated)** OWNERSHIP: 106,268 (Direct) * - Insiders can surrender shares back to the company to pay taxes or cover the cost of an option exercise or vesting. ** - A 10b5-1 plan enables an insider to establish a program to make trans- actions according to an advance plan. Such a program allows an insider to continue with planned transactions even if he or she comes into possession of material non-public information. --------------------------------------- HISTORICAL ACTIVITY -------------------------------------- AVG REMAINING INSIDER NAME ROLE TRADE DATES TRANS SHARES FLAGS PRICE HOLDINGS Chen Sean Chihhsiang Pres 10/05/26 Sell 8,205 b 67.81 106,268 Hanson Scott McLean Officer/Dir 09/15/26 Sell 7,000 bo 60.36 221,226 Esaka Fumihide CEO 09/11-09/15/26 Sell 63,500 bo 61.65 460,460 Chen Sean Chihhsiang Pres 09/14/26 Sell 15,000 bo 60.14 120,275 Zhang Ker Dir 09/11/26 Sell 10,000 63.67 20,366 Chen Sean Chihhsiang Pres 09/04/26 Sell 15,000 bo 57.38 120,275 Zha