AMBA

Ambarella Inc

Company with tickers: AMBA

CIK

1280263

CUSIP

G037AX101

Shares Outstanding

43,868,185

13F Activity (30d)

198 filings 193 filers

Trades by corporate insiders — officers, directors and holders of more than 10% of the shares — disclosed to the SEC on Forms 3, 4 and 5. Form 4 must be filed within two business days of the trade.

Date	Insider	Role	Type	Shares	Price	Value	After
2026-05-26	Wang Feng-Ming	Director, CEO	Sell	9,150	$92.05	$842,246	806,061
2026-05-26	Young John Alexander	CFO	Convert	400	$55.80	$22,320	118,023
2026-05-26	Young John Alexander	CFO	Convert	400	—	—	24,600
2026-05-26	Young John Alexander	CFO	Sell	400	$96.00	$38,400	117,623
2026-05-26	Wang Feng-Ming	Director, CEO	Sell	6,065	$91.23	$553,306	815,211
2026-05-26	Wang Feng-Ming	Director, CEO	Sell	17,285	$90.38	$1,562,203	821,276
2026-04-21	Young John Alexander	CFO	Sell	1,971	$60.00	$118,260	117,623
2026-03-19	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	2,155	$54.14	$116,672	167,941
2026-03-19	Wang Feng-Ming	Director, CEO	Sell	8,083	$54.14	$437,614	838,561
2026-03-19	Lee Chan W	Chief Operations Officer	Sell	3,641	$54.14	$197,124	160,049
2026-03-19	Young John Alexander	CFO	Sell	3,038	$54.14	$164,477	119,594
2026-03-18	Wang Feng-Ming	Director, CEO	Award	15,686	—	—	846,644
2026-03-18	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Award	5,930	—	—	170,096
2026-03-18	Chen Yun-Lung	VP, Business Development and M	Award	2,849	—	—	76,371
2026-03-18	Lee Chan W	Chief Operations Officer	Award	7,320	—	—	163,690
2026-03-18	Young John Alexander	CFO	Award	5,560	—	—	122,632
2026-03-17	Wang Feng-Ming	Director, CEO	Convert	27,598	—	—	849,934
2026-03-17	Wang Feng-Ming	Director, CEO	Convert	27,598	—	—	0
2026-03-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2026-03-17	Young John Alexander	CFO	Sell	4,577	$52.77	$241,528	117,072
2026-03-17	Wang Feng-Ming	Director, CEO	Sell	18,976	$52.77	$1,001,364	830,958
2026-03-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	4,729	$52.77	$249,549	164,166
2026-03-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Convert	9,553	—	—	0
2026-03-17	Lee Chan W	Chief Operations Officer	Convert	13,678	—	—	0
2026-03-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Convert	9,553	—	—	168,895
2026-03-17	Young John Alexander	CFO	Convert	3,556	—	—	0
2026-03-17	Young John Alexander	CFO	Convert	3,556	—	—	121,649
2026-03-17	Lee Chan W	Chief Operations Officer	Sell	6,729	$52.77	$355,089	156,370
2026-03-17	Chen Yun-Lung	VP, Business Development and M	Convert	4,651	—	—	0
2026-03-17	Lee Chan W	Chief Operations Officer	Convert	13,678	—	—	163,099
2026-03-17	Chen Yun-Lung	VP, Business Development and M	Convert	4,651	—	—	73,522
2026-03-02	Wang Feng-Ming	Director, CEO	Sell	1,900	$58.77	$111,663	816,079
2026-03-02	Wang Feng-Ming	Director, CEO	Convert	50,000	—	—	0
2026-03-02	Chen Yun-Lung	VP, Business Development and M	Award	7,220	—	—	68,871
2026-03-02	Wang Feng-Ming	Director, CEO	Award	53,203	—	—	822,182
2026-03-02	Lee Chan W	Chief Operations Officer	Award	24,701	—	—	149,267
2026-03-02	Wang Feng-Ming	Director, CEO	Convert	50,000	$41.36	$2,068,000	818,979
2026-03-02	Wang Feng-Ming	Director, CEO	Sell	32,460	$60.91	$1,977,226	781,019
2026-03-02	Chen Yun-Lung	VP, Business Development and M	Award	7,220	—	—	7,220
2026-03-02	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2026-03-02	Lee Chan W	Chief Operations Officer	Award	24,701	—	—	24,701
2026-03-02	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Award	17,329	—	—	17,329
2026-03-02	Wang Feng-Ming	Director, CEO	Award	53,203	—	—	53,203
2026-03-02	Young John Alexander	CFO	Award	15,201	—	—	15,201
2026-03-02	Young John Alexander	CFO	Award	15,201	—	—	117,939
2026-03-02	Bryant Gregory M	EVP & Pres. Global Bus. Units	Award	2,457	—	—	2,457
2026-03-02	Wang Feng-Ming	Director, CEO	Sell	2,600	$59.53	$154,770	813,479
2026-03-02	Wang Feng-Ming	Director, CEO	Sell	1,000	$56.83	$56,832	817,979
2026-03-02	Wang Feng-Ming	Director, CEO	Sell	12,040	$61.42	$739,540	768,979
2026-03-02	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Award	17,329	—	—	159,188

Showing 1–50 of 1,253 transactions