Ambiq Micro, Inc.

AMBQ·NYSE·$83.55Share Price as of 11/2·$2BMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/11/26 10-QQ1 ended 03/31/2605/12/26 10-KFY 202503/05/26 10-QQ3 ended 09/30/2511/06/25 10-QQ2 ended 06/30/2509/04/25

Disclosures

8-KCurrent report08/11/26 8-KCurrent report07/30/26 8-KCurrent report06/08/26 8-KCurrent report05/12/26 8-KCurrent report03/05/26

Prospectuses and Registrations

424B4Prospectus06/25/26 S-1MEFProspectus / registration06/23/26 S-1Registration statement (IPO)06/22/26 S-8Registration of securities for employees05/12/26 424B4Prospectus01/26/26

Proxies

DEF 14ADefinitive proxy04/22/26 DEFA14AAdditional proxy materials04/22/26

Ownership

Form 4Insider transaction10/16/26 Form 4Insider transaction10/16/26 Form 4Insider transaction10/16/26 Form 4Insider transaction10/06/26 Form 4Insider transaction10/06/26

Other

EFFECTRequest for effectiveness06/23/26 DRSDRS06/11/26 ARSAnnual report to shareholders04/22/26 CORRESPCorrespondence with the SEC01/22/26 EFFECTRequest for effectiveness01/22/26