Yen-Lung Chen

Insider

First SEC filing: March 17, 2014 · Latest: March 17, 2014

On this page

Insider at Companies where this person is a reporting insider.
Insider transactions Every share this person bought or sold, from Form 4 filings.
Derivatives Options and other derivative holdings reported by this person.
Initial holdings The stakes this person held when they first started reporting.

Insider at

AMBA selling June 12, 2026

Insider transactions

0 buys (P) 2 sells (S) Net: $-1,377,838 + 86 non-open-market transactions below last 12 months, based on the transactions shown below

Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted

86 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 12, 2026	AMBA	S	9,856	$67.06	$660,943	66,515 Direct	-12.91%	Disposed	10.1% (price as of 2026-08-20)
March 18, 2026	AMBA	A	2,849	—	—	76,371 Direct	+3.88%	Acquired	(price as of 2026-08-20)
March 17, 2026	AMBA	M	4,651	—	—	73,522 Direct	+6.75%	Acquired	(price as of 2026-08-20)
March 17, 2026	AMBA	M	4,651	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 2, 2026	AMBA	A	7,220	—	—	68,871 Direct	+11.71%	Acquired	(price as of 2026-08-20)
March 2, 2026	AMBA	A	7,220	—	—	7,220 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 10, 2025	AMBA	S	8,492	$84.42	$716,895	61,651 Direct	-12.11%	Disposed	-12.6% (price as of 2026-08-20)
March 5, 2025	AMBA	A	2,249	—	—	70,143 Direct	+3.31%	Acquired	(price as of 2026-08-20)
Feb. 28, 2025	AMBA	A	5,868	—	—	67,894 Direct	+9.46%	Acquired	(price as of 2026-08-20)
Feb. 28, 2025	AMBA	A	5,868	—	—	5,868 Direct	—	Acquired	(price as of 2026-08-20)
Sept. 3, 2024	AMBA	M	5,963	$38.92	$232,080	67,989 Direct	+9.61%	Acquired	89.6% (price as of 2026-08-20)
Sept. 3, 2024	AMBA	S	5,963	$57.56	$343,230	62,026 Direct	-8.77%	Disposed	28.2% (price as of 2026-08-20)
Sept. 3, 2024	AMBA	M	5,963	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 7, 2024	AMBA	A	726	—	—	62,026 Direct	+1.18%	Acquired	(price as of 2026-08-20)
Feb. 29, 2024	AMBA	A	7,740	—	—	61,300 Direct	+14.45%	Acquired	(price as of 2026-08-20)
Feb. 29, 2024	AMBA	A	7,740	—	—	7,740 Direct	—	Acquired	(price as of 2026-08-20)
June 15, 2023	AMBA	A	8,859	—	—	53,560 Direct	+19.82%	Acquired	(price as of 2026-08-20)
June 5, 2023	AMBA	S	8,984	$76.80	$689,971	44,701 Direct	-16.73%	Disposed	-3.9% (price as of 2026-08-20)
April 3, 2023	AMBA	A	4,651	—	—	4,651 Direct	—	Acquired	(price as of 2026-08-20)
March 15, 2023	AMBA	M	7,344	—	—	53,685 Direct	+15.85%	Acquired	(price as of 2026-08-20)
March 15, 2023	AMBA	M	8,538	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 15, 2023	AMBA	M	712	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 15, 2023	AMBA	M	294	—	—	1,174 Direct	-20.03%	Disposed	(price as of 2026-08-20)
March 15, 2023	AMBA	M	380	—	—	3,034 Direct	-11.13%	Disposed	(price as of 2026-08-20)
March 8, 2023	AMBA	A	903	—	—	46,341 Direct	+1.99%	Acquired	(price as of 2026-08-20)
March 2, 2023	AMBA	A	4,651	—	—	4,651 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 16, 2022	AMBA	M	1,383	—	—	45,438 Direct	+3.14%	Acquired	(price as of 2026-08-20)
Dec. 16, 2022	AMBA	M	711	—	—	712 Direct	-49.96%	Disposed	(price as of 2026-08-20)
Dec. 16, 2022	AMBA	M	293	—	—	1,468 Direct	-16.64%	Disposed	(price as of 2026-08-20)
Dec. 16, 2022	AMBA	M	379	—	—	3,414 Direct	-9.99%	Disposed	(price as of 2026-08-20)
Sept. 16, 2022	AMBA	M	1,385	—	—	44,055 Direct	+3.25%	Acquired	(price as of 2026-08-20)
Sept. 16, 2022	AMBA	M	712	—	—	1,423 Direct	-33.35%	Disposed	(price as of 2026-08-20)
Sept. 16, 2022	AMBA	M	294	—	—	1,761 Direct	-14.31%	Disposed	(price as of 2026-08-20)
Sept. 16, 2022	AMBA	M	379	—	—	3,793 Direct	-9.08%	Disposed	(price as of 2026-08-20)
June 16, 2022	AMBA	M	1,383	—	—	42,670 Direct	+3.35%	Acquired	(price as of 2026-08-20)
June 16, 2022	AMBA	M	711	—	—	2,135 Direct	-24.98%	Disposed	(price as of 2026-08-20)
June 16, 2022	AMBA	M	293	—	—	2,055 Direct	-12.48%	Disposed	(price as of 2026-08-20)
June 16, 2022	AMBA	M	379	—	—	4,172 Direct	-8.33%	Disposed	(price as of 2026-08-20)
April 11, 2022	AMBA	A	4,551	—	—	4,551 Direct	—	Acquired	(price as of 2026-08-20)
April 11, 2022	AMBA	A	4,551	—	—	4,551 Direct	—	Acquired	(price as of 2026-08-20)
March 29, 2022	AMBA	S	8,000	$104.22	$833,760	41,287 Direct	-16.23%	Disposed	-29.2% (price as of 2026-08-20)
March 16, 2022	AMBA	M	18,698	—	—	49,287 Direct	+61.13%	Acquired	(price as of 2026-08-20)
March 16, 2022	AMBA	M	8,492	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 16, 2022	AMBA	M	708	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 16, 2022	AMBA	M	712	—	—	2,846 Direct	-20.01%	Disposed	(price as of 2026-08-20)
March 16, 2022	AMBA	M	294	—	—	2,348 Direct	-11.13%	Disposed	(price as of 2026-08-20)
March 8, 2022	AMBA	A	1,975	—	—	30,589 Direct	+6.90%	Acquired	(price as of 2026-08-20)
March 3, 2022	AMBA	M	5,241	$9.99	$52,358	47,855 Direct	+12.30%	Acquired	638.7% (price as of 2026-08-20)
March 3, 2022	AMBA	S	5,241	$96.31	$504,761	42,614 Direct	-10.95%	Disposed	-23.4% (price as of 2026-08-20)
March 3, 2022	AMBA	S	14,000	$97.14	$1,359,960	28,614 Direct	-32.85%	Disposed	-24.0% (price as of 2026-08-20)
March 3, 2022	AMBA	M	5,241	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
Dec. 16, 2021	AMBA	M	1,712	—	—	42,614 Direct	+4.19%	Acquired	(price as of 2026-08-20)
Dec. 16, 2021	AMBA	M	708	—	—	708 Direct	-50.00%	Disposed	(price as of 2026-08-20)
Dec. 16, 2021	AMBA	M	711	—	—	3,558 Direct	-16.65%	Disposed	(price as of 2026-08-20)
Dec. 16, 2021	AMBA	M	293	—	—	2,642 Direct	-9.98%	Disposed	(price as of 2026-08-20)
Dec. 3, 2021	AMBA	M	1,713	—	—	52,902 Direct	+3.35%	Acquired	(price as of 2026-08-20)
Dec. 3, 2021	AMBA	S	10,500	$198.22	$2,081,310	42,402 Direct	-19.85%	Disposed	-62.8% (price as of 2026-08-20)
Dec. 3, 2021	AMBA	S	1,500	$199.04	$298,560	40,902 Direct	-3.54%	Disposed	-62.9% (price as of 2026-08-20)
Sept. 16, 2021	AMBA	M	707	—	—	1,416 Direct	-33.30%	Disposed	(price as of 2026-08-20)
Sept. 16, 2021	AMBA	M	712	—	—	4,269 Direct	-14.29%	Disposed	(price as of 2026-08-20)
Sept. 16, 2021	AMBA	M	294	—	—	2,935 Direct	-9.10%	Disposed	(price as of 2026-08-20)
June 28, 2021	AMBA	S	5,951	$104.09	$619,440	51,189 Direct	-10.41%	Disposed	-29.1% (price as of 2026-08-20)
June 16, 2021	AMBA	M	2,991	—	—	57,140 Direct	+5.52%	Acquired	(price as of 2026-08-20)
June 16, 2021	AMBA	M	1,279	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
June 16, 2021	AMBA	M	708	—	—	2,123 Direct	-25.01%	Disposed	(price as of 2026-08-20)
June 16, 2021	AMBA	M	711	—	—	4,981 Direct	-12.49%	Disposed	(price as of 2026-08-20)
June 16, 2021	AMBA	M	293	—	—	3,229 Direct	-8.32%	Disposed	(price as of 2026-08-20)
March 16, 2021	AMBA	M	14,203	—	—	54,149 Direct	+35.56%	Acquired	(price as of 2026-08-20)
March 16, 2021	AMBA	M	13,148	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 16, 2021	AMBA	M	1,278	—	—	1,279 Direct	-49.98%	Disposed	(price as of 2026-08-20)
March 16, 2021	AMBA	M	708	—	—	2,831 Direct	-20.01%	Disposed	(price as of 2026-08-20)
March 16, 2021	AMBA	M	712	—	—	5,692 Direct	-11.12%	Disposed	(price as of 2026-08-20)
March 12, 2021	AMBA	M	8,289	$8.82	$73,109	48,235 Direct	+20.75%	Acquired	736.7% (price as of 2026-08-20)
March 12, 2021	AMBA	S	5,452	$111.60	$608,443	42,783 Direct	-11.30%	Disposed	-33.9% (price as of 2026-08-20)
March 12, 2021	AMBA	S	2,837	$113.13	$320,950	39,946 Direct	-6.63%	Disposed	-34.8% (price as of 2026-08-20)
March 12, 2021	AMBA	M	5,927	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 12, 2021	AMBA	M	2,362	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 9, 2021	AMBA	A	875	—	—	39,946 Direct	+2.24%	Acquired	(price as of 2026-08-20)
March 4, 2021	AMBA	A	3,522	—	—	3,522 Direct	—	Acquired	(price as of 2026-08-20)
March 4, 2021	AMBA	A	3,522	—	—	3,522 Direct	—	Acquired	(price as of 2026-08-20)
Dec. 16, 2020	AMBA	M	2,696	—	—	39,071 Direct	+7.41%	Acquired	(price as of 2026-08-20)
Dec. 16, 2020	AMBA	M	1,278	—	—	2,557 Direct	-33.32%	Disposed	(price as of 2026-08-20)
Dec. 16, 2020	AMBA	M	707	—	—	3,539 Direct	-16.65%	Disposed	(price as of 2026-08-20)
Dec. 16, 2020	AMBA	M	711	—	—	6,404 Direct	-9.99%	Disposed	(price as of 2026-08-20)
Dec. 9, 2020	AMBA	S	6,027	$89.16	$537,367	36,375 Direct	-14.21%	Disposed	-17.2% (price as of 2026-08-20)
Sept. 16, 2020	AMBA	M	2,699	—	—	42,402 Direct	+6.80%	Acquired	(price as of 2026-08-20)
Sept. 16, 2020	AMBA	M	1,279	—	—	3,835 Direct	-25.01%	Disposed	(price as of 2026-08-20)
Sept. 16, 2020	AMBA	M	708	—	—	4,246 Direct	-14.29%	Disposed	(price as of 2026-08-20)
Sept. 16, 2020	AMBA	M	712	—	—	7,115 Direct	-9.10%	Disposed	(price as of 2026-08-20)
June 16, 2020	AMBA	M	2,697	—	—	39,703 Direct	+7.29%	Acquired	(price as of 2026-08-20)
June 16, 2020	AMBA	M	1,278	—	—	5,114 Direct	-19.99%	Disposed	(price as of 2026-08-20)
June 16, 2020	AMBA	M	708	—	—	4,954 Direct	-12.50%	Disposed	(price as of 2026-08-20)
June 16, 2020	AMBA	M	711	—	—	7,827 Direct	-8.33%	Disposed	(price as of 2026-08-20)
June 5, 2020	AMBA	M	5,555	$8.82	$48,995	42,561 Direct	+15.01%	Acquired	736.7% (price as of 2026-08-20)
June 5, 2020	AMBA	S	5,555	$55.82	$310,080	37,006 Direct	-13.05%	Disposed	32.2% (price as of 2026-08-20)
June 5, 2020	AMBA	M	5,555	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-20)
March 27, 2020	AMBA	A	2,496	—	—	37,006 Direct	+7.23%	Acquired	(price as of 2026-08-20)
March 25, 2020	AMBA	A	8,538	—	—	8,538 Direct	—	Acquired	(price as of 2026-08-20)
March 25, 2020	AMBA	A	8,538	—	—	8,538 Direct	—	Acquired	(price as of 2026-08-20)
March 17, 2020	AMBA	M	4,973	—	—	34,510 Direct	+16.84%	Acquired	(price as of 2026-08-20)

Showing latest 100 of 255 transactions

P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding

Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.

Derivative holdings (Form 4 Table II)

Options, RSUs and convertible securities reported on Form 4 Table II.

Date	Ticker	Security	Underlying	Exercise price	Expiration	Shares	A/D
March 17, 2026	AMBA	Performance Stock Units	Ordinary Shares (4,651)	—	March 15, 2026	4,651	Disposed
March 2, 2026	AMBA	Performance Stock Units	Ordinary Shares (7,220)	—	March 15, 2029	7,220	Acquired
Feb. 28, 2025	AMBA	Performance Stock Units	Ordinary Shares (5,868)	—	March 15, 2028	5,868	Acquired
Sept. 3, 2024	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (5,963)	$38.92	Sept. 7, 2024	5,963	Disposed
Feb. 29, 2024	AMBA	Performance Stock Units	Ordinary Shares (7,740)	—	—	7,740	Acquired
April 3, 2023	AMBA	Performance Stock Units	Ordinary Shares (4,651)	—	March 15, 2026	4,651	Acquired
March 15, 2023	AMBA	Performance Stock Units	Ordinary Shares (8,538)	—	—	8,538	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (712)	—	March 15, 2023	712	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (294)	—	March 15, 2024	294	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (380)	—	March 15, 2025	380	Disposed
March 2, 2023	AMBA	Restricted Stock Units	Ordinary Shares (4,651)	—	—	4,651	Acquired
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (711)	—	March 15, 2023	711	Disposed
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (293)	—	March 15, 2024	293	Disposed
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (379)	—	March 15, 2025	379	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (712)	—	March 15, 2023	712	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (294)	—	March 15, 2024	294	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (379)	—	March 15, 2025	379	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (711)	—	March 15, 2023	711	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (293)	—	March 15, 2024	293	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (379)	—	March 15, 2025	379	Disposed
April 11, 2022	AMBA	Performance Stock Units	Ordinary Shares (4,551)	—	March 15, 2025	4,551	Acquired
April 11, 2022	AMBA	Restricted Stock Units	Ordinary Shares (4,551)	—	March 15, 2025	4,551	Acquired
March 16, 2022	AMBA	Performance Stock Units	Ordinary Shares (8,492)	—	March 15, 2022	8,492	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (708)	—	March 15, 2022	708	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (712)	—	March 15, 2023	712	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (294)	—	March 15, 2024	294	Disposed
March 3, 2022	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (5,241)	$9.99	July 9, 2022	5,241	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (708)	—	March 15, 2022	708	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (711)	—	March 15, 2023	711	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (293)	—	March 15, 2024	293	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (707)	—	March 15, 2022	707	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (712)	—	March 15, 2023	712	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (294)	—	March 15, 2024	294	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (1,279)	—	June 15, 2021	1,279	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (708)	—	March 15, 2022	708	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (711)	—	March 15, 2023	711	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (293)	—	March 15, 2024	293	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (13,148)	—	March 15, 2021	13,148	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (1,278)	—	June 15, 2021	1,278	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (708)	—	March 15, 2022	708	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (712)	—	March 15, 2023	712	Disposed
March 12, 2021	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (5,927)	$8.82	Aug. 29, 2021	5,927	Disposed
March 12, 2021	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (2,362)	$8.82	Aug. 30, 2021	2,362	Disposed
March 4, 2021	AMBA	Performance Stock Units	Ordinary Shares (3,522)	—	March 15, 2024	3,522	Acquired
March 4, 2021	AMBA	Restricted Stock Units	Ordinary Shares (3,522)	—	—	3,522	Acquired
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (1,278)	—	June 15, 2021	1,278	Disposed
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (707)	—	March 15, 2022	707	Disposed
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (711)	—	March 15, 2023	711	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (1,279)	—	June 15, 2021	1,279	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (708)	—	March 15, 2022	708	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (712)	—	March 15, 2023	712	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (1,278)	—	June 15, 2021	1,278	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (708)	—	March 15, 2022	708	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (711)	—	March 15, 2023	711	Disposed
June 5, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (5,555)	$8.82	Nov. 2, 2020	5,555	Disposed
March 25, 2020	AMBA	Performance Stock Units	Ordinary Shares (8,538)	—	—	8,538	Acquired
March 25, 2020	AMBA	Restricted Stock Units	Ordinary Shares (8,538)	—	—	8,538	Acquired
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (3,984)	—	March 15, 2020	3,984	Disposed
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (1,278)	—	June 15, 2021	1,278	Disposed
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (707)	—	March 15, 2022	707	Disposed
Dec. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (1,279)	—	June 15, 2021	1,279	Disposed
Dec. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (708)	—	March 15, 2022	708	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (930)	—	Sept. 15, 2019	930	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (1,278)	—	June 15, 2021	1,278	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (708)	—	March 15, 2022	708	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (354)	—	Oct. 7, 2025	354	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (883)	—	March 6, 2026	883	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (929)	—	Sept. 15, 2019	929	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (1,278)	—	June 15, 2021	1,278	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (707)	—	March 15, 2022	707	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (353)	—	Oct. 7, 2025	353	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (883)	—	March 6, 2026	883	Disposed
March 19, 2019	AMBA	Restricted Stock Units	Ordinary Shares (930)	—	Sept. 15, 2019	930	Disposed
March 19, 2019	AMBA	Restricted Stock Units	Ordinary Shares (1,279)	—	June 15, 2021	1,279	Disposed
March 19, 2019	AMBA	Restricted Stock Units	Ordinary Shares (353)	—	Oct. 7, 2025	353	Disposed
March 19, 2019	AMBA	Restricted Stock Units	Ordinary Shares (882)	—	March 6, 2026	882	Disposed
March 8, 2019	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (2,037)	$3.20	July 8, 2019	2,037	Disposed
March 7, 2019	AMBA	Performance Stock Units	Ordinary Shares (8,492)	—	March 15, 2022	8,492	Acquired
March 7, 2019	AMBA	Restricted Stock Units	Ordinary Shares (8,492)	—	March 15, 2022	8,492	Acquired
March 4, 2019	AMBA	Restricted Stock Units	Ordinary Shares (13,148)	—	March 15, 2021	13,148	Acquired
Dec. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (929)	—	Sept. 15, 2019	929	Disposed
Dec. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (1,278)	—	June 15, 2021	1,278	Disposed
Dec. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (353)	—	Oct. 7, 2025	353	Disposed
Dec. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (883)	—	March 6, 2026	883	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (930)	—	Sept. 15, 2019	930	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (1,278)	—	June 15, 2021	1,278	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (1,160)	—	Sept. 7, 2024	1,160	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (354)	—	Oct. 7, 2025	354	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (882)	—	March 6, 2026	882	Disposed
June 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (929)	—	Sept. 15, 2019	929	Disposed
June 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (1,159)	—	Sept. 7, 2024	1,159	Disposed
June 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (353)	—	Oct. 7, 2025	353	Disposed
June 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (883)	—	March 6, 2026	883	Disposed
June 7, 2018	AMBA	Restricted Stock Units	Ordinary Shares (15,340)	—	June 15, 2021	15,340	Acquired
March 16, 2018	AMBA	Restricted Stock Units	Ordinary Shares (930)	—	Sept. 15, 2019	930	Disposed
March 16, 2018	AMBA	Restricted Stock Units	Ordinary Shares (1,160)	—	Sept. 7, 2024	1,160	Disposed
March 16, 2018	AMBA	Restricted Stock Units	Ordinary Shares (353)	—	Oct. 7, 2025	353	Disposed
March 16, 2018	AMBA	Restricted Stock Units	Ordinary Shares (882)	—	March 6, 2026	882	Disposed
Feb. 26, 2018	AMBA	Restricted Stock Units	Ordinary Shares (3,984)	—	—	3,984	Acquired
Dec. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (929)	—	Sept. 15, 2019	929	Disposed

Showing latest 100 of 172 transactions

Exercise/conversion price is blank when not applicable (e.g. RSUs).

Initial ownership (Form 3) 8 holdings

Securities held when first becoming an insider, per SEC Form 3.

Date	Ticker	Security	Shares	Ownership
March 17, 2014	AMBA	Stock Option (right to buy)→ Ordinary Shares (2,037)	2,037	Direct
March 17, 2014	AMBA	Stock Option (right to buy)→ Ordinary Shares (5,555)	5,555	Direct
March 17, 2014	AMBA	Stock Option (right to buy)→ Ordinary Shares (5,927)	5,927	Direct
March 17, 2014	AMBA	Stock Option (right to buy)→ Ordinary Shares (2,362)	2,362	Direct
March 17, 2014	AMBA	Stock Option (right to buy)→ Ordinary Shares (11,575)	11,575	Direct
March 17, 2014	AMBA	Restricted Stock Unit→ Ordinary Shares (9,000)	9,000	Direct
March 17, 2014	AMBA	Restricted Stock Unit→ Ordinary Shares (5,834)	5,834	Direct
March 17, 2014	AMBA	Restricted Stock Unit→ Ordinary Shares (19,688)	19,688	Direct