Ambarella Inc.

AMBA·NASDAQ·$93.57Share Price as of 11/2·$4BMarket Cap as of 11/2

Financials

10-QQ2 ended 07/31/2609/04/26 10-QQ1 ended 04/30/2606/02/26 10-KFY 202603/23/26 10-QQ3 ended 10/31/2512/04/25 10-QQ2 ended 07/31/2509/03/25

Disclosures

8-KCurrent report09/03/26 8-KCurrent report07/01/26 8-KCurrent report05/28/26 8-KCurrent report02/27/26 8-KCurrent report02/26/26

Prospectuses and Registrations

S-8Registration of securities for employees08/03/26 S-8Registration of securities for employees12/06/24 S-8Registration of securities for employees11/19/21 S-8Registration of securities for employees11/19/21 S-8 POSPost-effective amendment (S-8)11/19/21

Proxies

DEFA14AAdditional proxy materials06/10/26 DEF 14ADefinitive proxy05/15/26 DEFA14AAdditional proxy materials05/15/26 DEF 14ADefinitive proxy04/25/25 DEFA14AAdditional proxy materials04/25/25

Ownership

Form 4Insider transaction09/28/26 144Proposed sale of securities09/25/26 Form 4Insider transaction09/21/26 144Proposed sale of securities09/18/26 Form 4Insider transaction09/18/26

Other

SDConflict Minerals disclosure05/29/26 ARSAnnual report to shareholders05/15/26 SDConflict Minerals disclosure06/02/25 ARSAnnual report to shareholders04/25/25 SDConflict Minerals disclosure05/31/24