AMBA SEC Filings: 8-K, 10-Q, S-3 & 424B – Ambarella

Financials

TYPE

HEADLINE

FILED AT

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Sep 4, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Jun 2, 2026

10-K

Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]

Mar 23, 2026

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Dec 4, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Sep 3, 2025

10-Q

Form 10-Q - Quarterly report [Sections 13 or 15(d)]

Jun 3, 2025

News

TYPE

HEADLINE

FILED AT

8-K

Ambarella, Inc. Reports Second Quarter Fiscal Year 2027 Financial Results

Sep 3, 2026

8-K

Ambarella, Inc. Announces Results of 2026 Annual Meeting of Shareholders

Jul 1, 2026

8-K

Ambarella, Inc. Announces First Quarter Fiscal Year 2027 Financial Results

May 28, 2026

8-K

Ambarella Approves Fiscal Year 2027 Annual Bonus Plan with Increased Target Pool

Feb 27, 2026

8-K

Ambarella Announces Fourth Quarter and Fiscal Year 2026 Financial Results

Feb 26, 2026

8-K

Ambarella, Inc. Announces Third Quarter Fiscal Year 2026 Financial Results

Nov 25, 2025

Prospectus

TYPE

HEADLINE

FILED AT

424B4

6,000,000 Shares

Oct 10, 2012

Registrations

TYPE

HEADLINE

FILED AT

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Aug 3, 2026

S-8

Form S-8 - Securities to be offered to employees in employee benefit plans

Dec 6, 2024

S-8 POS

Registration

Nov 19, 2021

S-8 POS

Registration

Nov 19, 2021

S-8 POS

Registration

Nov 19, 2021

S-8 POS

Registration

Nov 19, 2021

Proxies

TYPE

HEADLINE

FILED AT

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Jun 10, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

May 15, 2026

DEF 14A

Form DEF 14A - Other definitive proxy statements

May 15, 2026

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

Apr 25, 2025

DEF 14A

Form DEF 14A - Other definitive proxy statements

Apr 25, 2025

DEFA14A

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material

May 22, 2024

Ownerships

TYPE

HEADLINE

FILED AT

SCHEDULE 13G/A

VANGUARD PORTFOLIO MANAGEMENT LLC (Filed by)

Oct 30, 2026

PAISLEY CHRISTOPHER B (Reporting)

Sep 28, 2026

144

Form 144 - Report of proposed sale of securities

Sep 25, 2026

Young John Alexander (Reporting)

Sep 21, 2026

Wang Feng-Ming (Reporting)

Sep 18, 2026

Ju Chi-Hong (Reporting)

Sep 18, 2026

Other

TYPE

HEADLINE

FILED AT

Form SD - Specialized disclosure report

May 29, 2026

Form SD - Specialized disclosure report

Jun 2, 2025

Form SD - Specialized disclosure report

May 31, 2024

Form SD - Specialized disclosure report

May 31, 2023

LETTER

Form UPLOAD - SEC-generated letter

Dec 21, 2022

CORRESP

Form CORRESP - Correspondence

Nov 29, 2022

Ambarella, Inc. AMBA · SEC Filings