AMBA · Ambarella Inc

$83.75 +1.90 (+2.32%)

Market Cap

$3.68B

43.87M

Notices of intent to sell restricted or control shares, filed with the SEC on Form 144 by insiders and affiliates. A Form 144 signals a planned sale — it does not confirm the shares were actually sold.

Filed	Seller	Relationship	Shares	Market Value	Approx. Sale	Broker
2026-07-09	YUN-LUNG CHEN	Officer	5,958	$468,656	2026-07-09	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-07-01	CHIHONG JOHN JU	Officer	10,000	$888,398	2026-07-01	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-07-01	FENG-MING WANG	Director, Officer	16,250	$1,394,250	2026-07-01	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-06-26	PAISLEY CHRISTOPHER B	Director	250	$15,503	2026-06-26	Fidelity Brokerage Services LLC
2026-06-17	JOHN YOUNG	Officer	1,847	$123,971	2026-06-17	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-06-12	YUN-LUNG CHEN	Officer	9,856	$660,946	2026-06-12	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-05-26	FENG-MING WANG	Director, Officer	32,500	$2,845,375	2026-05-26	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-05-26	JOHN YOUNG	Officer	400	$35,020	2026-05-26	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-04-21	JOHN YOUNG	Officer	1,971	$116,841	2026-04-21	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-03-02	FENG-MING WANG	Director, Officer	50,000	$3,017,000	2026-03-02	Morgan Stanley Smith Barney LLC Executive Financial Services
2026-01-05	CHIHONG JOHN JU	Officer	7,728	$584,103	2026-01-05	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-12-30	CHIHONG JOHN JU	Officer	7,945	$558,161	2025-12-30	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-12-29	PAISLEY CHRISTOPHER B	Director	500	$36,090	2025-12-26	Fidelity Brokerage Services LLC
2025-12-18	JOHN A YOUNG	Officer	3,791	$276,591	2025-12-18	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-12-16	ELIZABETH M SCHWARTING	Director	624	$45,163	2025-12-16	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-12-02	LESLIE KOHN	Officer	150,000	$10,738,845	2025-12-02	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-10-14	CHIHONG JOHN JU	Officer	6,156	$498,390	2025-10-14	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-10-14	CHIHONG JOHN JU	Officer	5,057	$411,093	2025-10-13	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-10-06	ELIZABETH M SCHWARTING	Director	2,664	$227,445	2025-10-06	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-09-22	CHRISTOPHER DAY	Officer	1,000	$89,000	2025-09-22	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-09-19	CHRISTOPHER DAY	Officer	1,000	$84,000	2025-09-19	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-09-18	CHRISTOPHER DAY	Officer	829	$68,393	2025-09-18	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-09-10	YUN-LUNG CHEN	Officer	8,492	$716,895	2025-09-10	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-09-08	CHRISTOPHER DAY	Officer	1,772	$150,620	2025-09-08	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-07-14	CHRISTOPHER DAY	Officer	2,907	$194,289	2025-07-14	Morgan Stanley Smith Barney LLC Executive Financial Services
2025-06-25	PAISLEY CHRISTOPHER B	Director	1,000	$62,580	2025-06-25	Fidelity Brokerage Services LLC
2025-03-25	PAISLEY CHRISTOPHER B	Director	500	$27,750	2025-03-25	Fidelity Brokerage Services LLC
2025-01-16	Lee Chan W	Officer	1,000	$77,210	2025-01-16	Fidelity Brokerage Services LLC
2025-01-15	Lee Chan W	Officer	1,000	$75,900	2025-01-15	Fidelity Brokerage Services LLC
2025-01-14	Lee Chan W	Officer	1,000	$75,680	2025-01-14	Fidelity Brokerage Services LLC
2025-01-13	Lee Chan W	Officer	1,000	$73,500	2025-01-13	Fidelity Brokerage Services LLC
2025-01-10	Lee Chan W	Officer	1,000	$74,120	2025-01-10	Fidelity Brokerage Services LLC
2025-01-08	Lee Chan W	Officer	1,000	$73,480	2025-01-08	Fidelity Brokerage Services LLC
2025-01-07	Lee Chan W	Officer	1,000	$78,730	2025-01-07	Fidelity Brokerage Services LLC
2025-01-06	Lee Chan W	Officer	1,000	$79,150	2025-01-06	Fidelity Brokerage Services LLC
2025-01-03	Day Christopher	Officer	1,247	$97,394	2025-01-03	Morgan Stanley Smith Barney LLC Executive Services
2025-01-03	Lee Chan W	Officer	1,000	$75,060	2025-01-03	Fidelity Brokerage Services LLC
2025-01-02	Lee Chan W	Officer	1,000	$73,320	2025-01-02	Fidelity Brokerage Services LLC
2024-12-26	PAISLEY CHRISTOPHER B	Director	1,500	$110,700	2024-12-26	Fidelity Brokerage Services LLC
2024-12-18	Schwarting Elizabeth M	Director	253	$18,103	2024-12-18	Morgan Stanley Smith Barney LLC Executive Services
2024-12-18	Day Christopher	Officer	929	$70,047	2024-12-18	Morgan Stanley Smith Barney LLC Executive Services
2024-12-09	Ju Chi-Hong	Officer	5,118	$387,475	2024-12-09	Morgan Stanley Smith Barney LLC Executive Services
2024-12-02	Day Christopher	Officer	1,278	$91,511	2024-12-02	Morgan Stanley Smith Barney LLC Executive Services
2024-09-30	Day Christopher	Officer	2,904	$168,432	2024-09-30	Morgan Stanley Smith Barney LLC Executive Services
2024-09-25	PAISLEY CHRISTOPHER B	Director	500	$26,855	2024-09-25	Fidelity Brokerage Services LLC
2024-09-24	Schwarting Elizabeth M	Director	913	$49,977	2024-09-24	Morgan Stanley Smith Barney LLC Executive Services
2024-09-03	Wang Feng-Ming	Officer	36,000	$2,052,000	2024-09-03	MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES
2024-09-03	Chen Yun-Lung	Officer	5,963	$343,220	2024-09-03	Morgan Stanley Smith Barney LLC Executive Services
2024-07-08	Day Christopher	Officer	1,408	$86,814	2024-07-08	Morgan Stanley Smith Barney LLC Executive Services
2024-06-26	Ju Chi-Hong	Officer	6,000	$317,422	2024-06-26	MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES

Showing 1–50 of 64 filings

Key facts CIK 1280263 CUSIP G037AX101 13F (30d) 111 filings 109 filers Visit website Investor relations