Stocks
AMBA AMBARELLA INC

AMBA

AMBARELLA INC

Company with tickers: AMBA

CIK

1280263

CUSIP

G037AX101

Shares Outstanding

43,861,484

Price History Institutional Holders Short Volume Short Interest Fails to Deliver SEC Filings Earnings Calls Insider Trades Congressional Trades

Date	Insider	Role	Type	Shares	Price	Value	After
2026-04-21	Young John Alexander	CFO	Sell	1,971	$60.00	$118,260	117,623
2026-03-19	Young John Alexander	CFO	Sell	3,038	$54.14	$164,477	119,594
2026-03-19	Lee Chan W	Chief Operations Officer	Sell	3,641	$54.14	$197,124	160,049
2026-03-19	Wang Feng-Ming	Director, CEO	Sell	8,083	$54.14	$437,614	838,561
2026-03-19	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	2,155	$54.14	$116,672	167,941
2026-03-18	Young John Alexander	CFO	Award	5,560	—	—	122,632
2026-03-18	Lee Chan W	Chief Operations Officer	Award	7,320	—	—	163,690
2026-03-18	Wang Feng-Ming	Director, CEO	Award	15,686	—	—	846,644
2026-03-18	Chen Yun-Lung	VP, Business Development and M	Award	2,849	—	—	76,371
2026-03-18	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Award	5,930	—	—	170,096
2026-03-17	Young John Alexander	CFO	Convert	3,556	—	—	121,649
2026-03-17	Young John Alexander	CFO	Convert	3,556	—	—	0
2026-03-17	Young John Alexander	CFO	Sell	4,577	$52.77	$241,528	117,072
2026-03-17	Lee Chan W	Chief Operations Officer	Convert	13,678	—	—	163,099
2026-03-17	Lee Chan W	Chief Operations Officer	Sell	6,729	$52.77	$355,089	156,370
2026-03-17	Lee Chan W	Chief Operations Officer	Convert	13,678	—	—	0
2026-03-17	Wang Feng-Ming	Director, CEO	Sell	18,976	$52.77	$1,001,364	830,958
2026-03-17	Wang Feng-Ming	Director, CEO	Convert	27,598	—	—	0
2026-03-17	Wang Feng-Ming	Director, CEO	Convert	27,598	—	—	849,934
2026-03-17	Chen Yun-Lung	VP, Business Development and M	Convert	4,651	—	—	73,522
2026-03-17	Chen Yun-Lung	VP, Business Development and M	Convert	4,651	—	—	0
2026-03-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Convert	9,553	—	—	168,895
2026-03-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Convert	9,553	—	—	0
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	Other	8,000	—	—	8,000
2026-03-02	Chen Yun-Lung	VP, Business Development and M	Award	7,220	—	—	7,220
2026-03-02	Chen Yun-Lung	VP, Business Development and M	Award	7,220	—	—	68,871
2026-03-02	Young John Alexander	CFO	Award	15,201	—	—	117,939
2026-03-02	Young John Alexander	CFO	Award	15,201	—	—	15,201
2026-03-02	Lee Chan W	Chief Operations Officer	Award	24,701	—	—	24,701
2026-03-02	Lee Chan W	Chief Operations Officer	Award	24,701	—	—	149,267
2026-03-02	Wang Feng-Ming	Director, CEO	Sell	12,040	$61.42	$739,540	768,979
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	2,600	$59.53	$154,770	813,479
2026-03-02	Wang Feng-Ming	Director, CEO	Award	53,203	—	—	53,203
2026-03-02	Wang Feng-Ming	Director, CEO	Sell	32,460	$60.91	$1,977,226	781,019
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	Award	53,203	—	—	822,182
2026-03-02	Wang Feng-Ming	Director, CEO	Convert	50,000	—	—	0
2026-03-02	Wang Feng-Ming	Director, CEO	Sell	1,900	$58.77	$111,663	816,079
2026-03-02	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Award	17,329	—	—	159,188
2026-03-02	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Award	17,329	—	—	17,329
2026-03-02	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2026-03-02	Bryant Gregory M	EVP & Pres. Global Bus. Units	Award	2,457	—	—	2,457
2026-02-23	Bryant Gregory M	EVP & Pres. Global Bus. Units	Other	0	—	—	0
2026-01-05	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	7,728	$75.58	$584,105	146,039
2026-01-05	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2025-12-30	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	3,765	$70.32	$264,755	153,767
2025-12-30	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2025-12-26	PAISLEY CHRISTOPHER B	Director	Sell	500	$72.18	$36,090	41,279
2025-12-19	Wang Feng-Ming	Director, CEO	Gift	15,000	—	—	768,979
2025-12-18	Young John Alexander	CFO	Sell	3,791	$72.96	$276,591	102,738
2025-12-17	Lee Chan W	Chief Operations Officer	Sell	2,406	$71.82	$172,799	124,566
2025-12-17	Young John Alexander	CFO	Sell	2,579	$71.82	$185,224	106,529
2025-12-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2025-12-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	1,342	$71.82	$96,382	157,532
2025-12-17	Wang Feng-Ming	Director, CEO	Sell	4,950	$71.82	$355,509	783,979
2025-12-16	Schwarting Elizabeth M	Director	Sell	624	$72.38	$45,163	6,690
2025-12-15	RICHARDSON DAVID JEFFREY	Director	Gift	2,531	—	—	25,812
2025-12-15	RICHARDSON DAVID JEFFREY	Director	Gift	2,531	—	—	2,498
2025-10-14	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	6,156	$80.96	$498,390	158,874
2025-10-13	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	5,057	$81.29	$411,093	165,030
2025-10-13	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2025-10-06	Schwarting Elizabeth M	Director	Sell	2,664	$85.38	$227,445	7,314
2025-09-17	Lee Chan W	Chief Operations Officer	Sell	1,947	$79.43	$154,650	126,972
2025-09-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	1,168	$79.43	$92,774	170,087
2025-09-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2025-09-17	Young John Alexander	CFO	Sell	2,566	$79.43	$203,817	109,108
2025-09-17	Kohn Leslie	Director, Chief Technology Officer	Sell	2,249	$79.43	$178,638	977,428
2025-09-17	Wang Feng-Ming	Director, CEO	Sell	4,928	$79.43	$391,431	788,929
2025-09-10	Chen Yun-Lung	VP, Business Development and M	Sell	8,492	$84.42	$716,895	61,651
2025-09-02	Schwarting Elizabeth M	Director	Award	2,498	—	—	9,978
2025-09-02	RICHARDSON DAVID JEFFREY	Director	Award	2,498	—	—	5,029
2025-09-02	RICHARDSON DAVID JEFFREY	Director	Other	23,281	—	—	23,281
2025-09-02	PAISLEY CHRISTOPHER B	Director	Award	2,498	—	—	41,779
2025-09-02	Breithaupt Chantelle Yvette	Senior Vice President, CFO	Award	2,498	—	—	4,940
2025-09-02	Hon Hsiao-Wuen	Director	Award	2,498	—	—	30,776
2025-09-02	Hu Chenming	Director	Award	2,498	—	—	29,516
2025-06-25	PAISLEY CHRISTOPHER B	Director	Sell	1,000	$62.58	$62,580	39,281
2025-06-17	Day Christopher	VP, Marketing	Sell	342	$52.26	$17,873	15,099
2025-06-17	Lee Chan W	Chief Operations Officer	Sell	1,601	$52.26	$83,668	128,696
2025-06-17	Kohn Leslie	Director, Chief Technology Officer	Sell	1,715	$52.26	$89,626	979,677
2025-06-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2025-06-17	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	1,108	$52.26	$57,904	171,032
2025-06-17	Wang Feng-Ming	Director, CEO	Sell	4,677	$52.26	$244,420	793,634
2025-06-17	Young John Alexander	CFO	Sell	2,435	$52.26	$127,253	111,451
2025-03-25	PAISLEY CHRISTOPHER B	Director	Sell	500	$55.50	$27,750	40,281
2025-03-18	Day Christopher	VP, Marketing	Sell	479	$55.02	$26,355	15,441
2025-03-18	Kohn Leslie	Director, Chief Technology Officer	Sell	1,584	$55.02	$87,152	981,392
2025-03-18	Wang Feng-Ming	Director, CEO	Sell	3,194	$55.02	$175,734	798,311
2025-03-18	Young John Alexander	CFO	Sell	2,103	$55.02	$115,707	113,886
2025-03-18	Lee Chan W	Chief Operations Officer	Sell	1,468	$55.02	$80,769	130,297
2025-03-18	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	1,034	$55.02	$56,891	172,140
2025-03-18	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Other	8,000	—	—	8,000
2025-03-17	Schwarting Elizabeth M	Director	Other	422	$55.90	$23,591	7,480
2025-03-06	Young John Alexander	CFO	Sell	2,663	$55.11	$146,758	115,755
2025-03-06	Kohn Leslie	Director, Chief Technology Officer	Sell	2,316	$55.11	$127,635	982,976
2025-03-06	Ju Chi-Hong	Senior VP, Systems & GM, Asia	Sell	1,859	$55.11	$102,449	172,940
2025-03-06	Wang Feng-Ming	Director, CEO	Sell	4,104	$55.11	$226,171	801,271
2025-03-06	Day Christopher	VP, Marketing	Sell	834	$55.11	$45,962	15,686