Leslie Kohn

Insider

First SEC filing: Oct. 9, 2012 · Latest: Oct. 9, 2012

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 Sept. 17, 2025

Insider transactions

0 buys (P) 1 sells (S) Net: $-178,638 + 61 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

61 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
Sept. 17, 2025	AMBA	S	2,249	$79.43	$178,638	977,428 Direct	-0.23%	Disposed	-7.9% (price as of 2026-08-19)
June 17, 2025	AMBA	S	1,715	$52.26	$89,626	979,677 Direct	-0.17%	Disposed	40.0% (price as of 2026-08-19)
March 18, 2025	AMBA	S	1,584	$55.02	$87,152	981,392 Direct	-0.16%	Disposed	33.0% (price as of 2026-08-19)
March 6, 2025	AMBA	S	2,316	$55.11	$127,635	982,976 Direct	-0.24%	Disposed	32.8% (price as of 2026-08-19)
March 5, 2025	AMBA	A	6,056	—	—	985,292 Direct	+0.62%	Acquired	(price as of 2026-08-19)
Feb. 28, 2025	AMBA	A	19,560	—	—	979,236 Direct	+2.04%	Acquired	(price as of 2026-08-19)
Feb. 28, 2025	AMBA	A	19,560	—	—	19,560 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 16, 2024	AMBA	S	1,757	$75.41	$132,495	959,676 Direct	-0.18%	Disposed	-3.0% (price as of 2026-08-19)
Sept. 17, 2024	AMBA	S	1,608	$53.54	$86,092	961,433 Direct	-0.17%	Disposed	36.6% (price as of 2026-08-19)
June 18, 2024	AMBA	S	1,623	$55.48	$90,044	963,041 Direct	-0.17%	Disposed	31.9% (price as of 2026-08-19)
March 18, 2024	AMBA	S	1,198	$49.27	$59,025	964,664 Direct	-0.12%	Disposed	48.5% (price as of 2026-08-19)
March 8, 2024	AMBA	S	708	$57.16	$40,469	965,862 Direct	-0.07%	Disposed	28.0% (price as of 2026-08-19)
March 7, 2024	AMBA	A	1,705	—	—	966,570 Direct	+0.18%	Acquired	(price as of 2026-08-19)
Feb. 29, 2024	AMBA	A	24,403	—	—	964,865 Direct	+2.59%	Acquired	(price as of 2026-08-19)
Feb. 29, 2024	AMBA	A	24,403	—	—	35,409 Direct	+221.72%	Acquired	(price as of 2026-08-19)
Dec. 19, 2023	AMBA	S	1,713	$63.04	$107,988	940,462 Direct	-0.18%	Disposed	16.1% (price as of 2026-08-19)
Sept. 18, 2023	AMBA	S	1,671	$57.30	$95,748	942,175 Direct	-0.18%	Disposed	27.7% (price as of 2026-08-19)
June 20, 2023	AMBA	S	1,682	$84.80	$142,634	943,846 Direct	-0.18%	Disposed	-13.7% (price as of 2026-08-19)
June 15, 2023	AMBA	A	27,813	—	—	945,528 Direct	+3.03%	Acquired	(price as of 2026-08-19)
April 3, 2023	AMBA	A	14,663	—	—	14,663 Direct	—	Acquired	(price as of 2026-08-19)
March 17, 2023	AMBA	S	11,881	$76.85	$913,055	917,715 Direct	-1.28%	Disposed	-4.8% (price as of 2026-08-19)
March 15, 2023	AMBA	M	27,736	—	—	929,596 Direct	+3.08%	Acquired	(price as of 2026-08-19)
March 15, 2023	AMBA	M	32,816	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 15, 2023	AMBA	M	2,735	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 15, 2023	AMBA	M	917	—	—	3,669 Direct	-20.00%	Disposed	(price as of 2026-08-19)
March 15, 2023	AMBA	M	1,185	—	—	9,481 Direct	-11.11%	Disposed	(price as of 2026-08-19)
March 2, 2023	AMBA	A	14,663	—	—	14,663 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 16, 2022	AMBA	M	4,837	—	—	904,315 Direct	+0.54%	Acquired	(price as of 2026-08-19)
Dec. 16, 2022	AMBA	S	2,455	$83.77	$205,655	901,860 Direct	-0.27%	Disposed	-12.7% (price as of 2026-08-19)
Dec. 16, 2022	AMBA	M	2,735	—	—	2,735 Direct	-50.00%	Disposed	(price as of 2026-08-19)
Dec. 16, 2022	AMBA	M	917	—	—	4,586 Direct	-16.66%	Disposed	(price as of 2026-08-19)
Dec. 16, 2022	AMBA	M	1,185	—	—	10,666 Direct	-10.00%	Disposed	(price as of 2026-08-19)
Sept. 26, 2022	AMBA	S	6,179	$58.95	$364,252	899,478 Direct	-0.68%	Disposed	24.1% (price as of 2026-08-19)
Sept. 16, 2022	AMBA	M	4,837	—	—	908,133 Direct	+0.54%	Acquired	(price as of 2026-08-19)
Sept. 16, 2022	AMBA	S	2,476	$63.25	$156,607	905,657 Direct	-0.27%	Disposed	15.7% (price as of 2026-08-19)
Sept. 16, 2022	AMBA	M	2,734	—	—	5,470 Direct	-33.33%	Disposed	(price as of 2026-08-19)
Sept. 16, 2022	AMBA	M	918	—	—	5,503 Direct	-14.30%	Disposed	(price as of 2026-08-19)
Sept. 16, 2022	AMBA	M	1,185	—	—	11,851 Direct	-9.09%	Disposed	(price as of 2026-08-19)
June 16, 2022	AMBA	M	4,837	—	—	905,905 Direct	+0.54%	Acquired	(price as of 2026-08-19)
June 16, 2022	AMBA	S	2,609	$66.25	$172,846	903,296 Direct	-0.29%	Disposed	10.4% (price as of 2026-08-19)
June 16, 2022	AMBA	M	2,735	—	—	8,204 Direct	-25.00%	Disposed	(price as of 2026-08-19)
June 16, 2022	AMBA	M	917	—	—	6,421 Direct	-12.50%	Disposed	(price as of 2026-08-19)
June 16, 2022	AMBA	M	1,185	—	—	13,036 Direct	-8.33%	Disposed	(price as of 2026-08-19)
April 11, 2022	AMBA	A	14,221	—	—	14,221 Direct	—	Acquired	(price as of 2026-08-19)
April 11, 2022	AMBA	A	14,221	—	—	14,221 Direct	—	Acquired	(price as of 2026-08-19)
March 16, 2022	AMBA	M	77,827	—	—	939,166 Direct	+9.04%	Acquired	(price as of 2026-08-19)
March 16, 2022	AMBA	S	38,098	$91.20	$3,474,538	901,068 Direct	-4.06%	Disposed	-19.8% (price as of 2026-08-19)
March 16, 2022	AMBA	M	35,604	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 16, 2022	AMBA	M	2,967	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 16, 2022	AMBA	M	2,735	—	—	10,939 Direct	-20.00%	Disposed	(price as of 2026-08-19)
March 16, 2022	AMBA	M	917	—	—	7,338 Direct	-11.11%	Disposed	(price as of 2026-08-19)
March 14, 2022	AMBA	S	1,825	$84.42	$154,066	861,339 Direct	-0.21%	Disposed	-13.3% (price as of 2026-08-19)
March 8, 2022	AMBA	A	5,078	—	—	863,164 Direct	+0.59%	Acquired	(price as of 2026-08-19)
Dec. 16, 2021	AMBA	M	6,618	—	—	876,730 Direct	+0.76%	Acquired	(price as of 2026-08-19)
Dec. 16, 2021	AMBA	S	3,644	$188.88	$688,279	873,086 Direct	-0.42%	Disposed	-61.3% (price as of 2026-08-19)
Dec. 16, 2021	AMBA	M	2,967	—	—	2,967 Direct	-50.00%	Disposed	(price as of 2026-08-19)
Dec. 16, 2021	AMBA	M	2,734	—	—	13,674 Direct	-16.66%	Disposed	(price as of 2026-08-19)
Dec. 16, 2021	AMBA	M	917	—	—	8,255 Direct	-10.00%	Disposed	(price as of 2026-08-19)
Dec. 8, 2021	AMBA	G	15,000	—	—	855,112 Direct	-1.72%	Disposed	(price as of 2026-08-19)
Dec. 3, 2021	AMBA	M	6,619	—	—	873,526 Direct	+0.76%	Acquired	(price as of 2026-08-19)
Dec. 3, 2021	AMBA	S	3,414	$192.69	$657,844	870,112 Direct	-0.39%	Disposed	-62.0% (price as of 2026-08-19)
Sept. 16, 2021	AMBA	M	2,967	—	—	5,934 Direct	-33.33%	Disposed	(price as of 2026-08-19)
Sept. 16, 2021	AMBA	M	2,735	—	—	16,408 Direct	-14.29%	Disposed	(price as of 2026-08-19)
Sept. 16, 2021	AMBA	M	917	—	—	9,172 Direct	-9.09%	Disposed	(price as of 2026-08-19)
June 16, 2021	AMBA	M	10,656	—	—	872,351 Direct	+1.24%	Acquired	(price as of 2026-08-19)
June 16, 2021	AMBA	S	5,444	$101.39	$551,967	866,907 Direct	-0.62%	Disposed	-27.8% (price as of 2026-08-19)
June 16, 2021	AMBA	M	4,037	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
June 16, 2021	AMBA	M	2,967	—	—	8,901 Direct	-25.00%	Disposed	(price as of 2026-08-19)
June 16, 2021	AMBA	M	2,735	—	—	19,143 Direct	-12.50%	Disposed	(price as of 2026-08-19)
June 16, 2021	AMBA	M	917	—	—	10,089 Direct	-8.33%	Disposed	(price as of 2026-08-19)
March 16, 2021	AMBA	M	46,070	—	—	884,112 Direct	+5.50%	Acquired	(price as of 2026-08-19)
March 16, 2021	AMBA	S	22,417	$112.00	$2,510,704	861,695 Direct	-2.54%	Disposed	-34.7% (price as of 2026-08-19)
March 16, 2021	AMBA	M	41,522	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 16, 2021	AMBA	M	4,037	—	—	4,037 Direct	-50.00%	Disposed	(price as of 2026-08-19)
March 16, 2021	AMBA	M	2,967	—	—	11,868 Direct	-20.00%	Disposed	(price as of 2026-08-19)
March 16, 2021	AMBA	M	2,734	—	—	21,878 Direct	-11.11%	Disposed	(price as of 2026-08-19)
March 9, 2021	AMBA	A	2,356	—	—	838,906 Direct	+0.28%	Acquired	(price as of 2026-08-19)
March 9, 2021	AMBA	S	864	$109.70	$94,781	838,042 Direct	-0.10%	Disposed	-33.3% (price as of 2026-08-19)
March 4, 2021	AMBA	A	11,006	—	—	11,006 Direct	—	Acquired	(price as of 2026-08-19)
March 4, 2021	AMBA	A	11,006	—	—	11,006 Direct	—	Acquired	(price as of 2026-08-19)
Feb. 16, 2021	AMBA	S 10b5-1	500	$123.29	$61,645	856,050 Direct	-0.06%	Disposed	-40.7% (price as of 2026-08-19)
Feb. 16, 2021	AMBA	S 10b5-1	2,000	$124.64	$249,280	854,050 Direct	-0.23%	Disposed	-41.3% (price as of 2026-08-19)
Feb. 16, 2021	AMBA	S 10b5-1	2,052	$125.52	$257,567	851,998 Direct	-0.24%	Disposed	-41.7% (price as of 2026-08-19)
Feb. 16, 2021	AMBA	S 10b5-1	1,111	$126.72	$140,786	850,887 Direct	-0.13%	Disposed	-42.3% (price as of 2026-08-19)
Feb. 16, 2021	AMBA	S 10b5-1	1,395	$127.41	$177,737	849,492 Direct	-0.16%	Disposed	-42.6% (price as of 2026-08-19)
Feb. 16, 2021	AMBA	S 10b5-1	12,942	$128.50	$1,663,047	836,550 Direct	-1.52%	Disposed	-43.1% (price as of 2026-08-19)
Dec. 24, 2020	AMBA	G	7,500	—	—	856,550 Direct	-0.87%	Disposed	(price as of 2026-08-19)
Dec. 16, 2020	AMBA	M	9,739	—	—	889,020 Direct	+1.11%	Acquired	(price as of 2026-08-19)
Dec. 16, 2020	AMBA	S 10b5-1	4,970	$90.25	$448,542	884,050 Direct	-0.56%	Disposed	-18.9% (price as of 2026-08-19)
Dec. 16, 2020	AMBA	S 10b5-1	12,655	$89.72	$1,135,407	871,395 Direct	-1.43%	Disposed	-18.5% (price as of 2026-08-19)
Dec. 16, 2020	AMBA	S 10b5-1	5,545	$90.22	$500,270	865,850 Direct	-0.64%	Disposed	-18.9% (price as of 2026-08-19)
Dec. 16, 2020	AMBA	S 10b5-1	1,400	$91.50	$128,100	864,450 Direct	-0.16%	Disposed	-20.0% (price as of 2026-08-19)
Dec. 16, 2020	AMBA	S 10b5-1	400	$92.49	$36,996	864,050 Direct	-0.05%	Disposed	-20.9% (price as of 2026-08-19)
Dec. 16, 2020	AMBA	M	4,037	—	—	8,074 Direct	-33.33%	Disposed	(price as of 2026-08-19)
Dec. 16, 2020	AMBA	M	2,967	—	—	14,835 Direct	-16.67%	Disposed	(price as of 2026-08-19)
Dec. 16, 2020	AMBA	M	2,735	—	—	24,612 Direct	-10.00%	Disposed	(price as of 2026-08-19)
Dec. 4, 2020	AMBA	S 10b5-1	10,000	$92.15	$921,500	879,281 Direct	-1.12%	Disposed	-20.6% (price as of 2026-08-19)
Dec. 2, 2020	AMBA	S 10b5-1	4,690	$84.86	$397,993	896,815 Direct	-0.52%	Disposed	-13.8% (price as of 2026-08-19)
Dec. 2, 2020	AMBA	S 10b5-1	7,500	$85.50	$641,250	889,315 Direct	-0.84%	Disposed	-14.4% (price as of 2026-08-19)
Dec. 2, 2020	AMBA	S 10b5-1	34	$86.46	$2,940	889,281 Direct	0.00%	Disposed	-15.4% (price as of 2026-08-19)

Showing latest 100 of 354 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
Feb. 28, 2025	AMBA	Performance Stock Units	Ordinary Shares (19,560)	—	March 15, 2028	19,560	Acquired
Feb. 29, 2024	AMBA	Performance Stock Units	Ordinary Shares (24,403)	—	—	24,403	Acquired
April 3, 2023	AMBA	Performance Stock Units	Ordinary Shares (14,663)	—	March 15, 2026	14,663	Acquired
March 15, 2023	AMBA	Performance Stock Units	Ordinary Shares (32,816)	—	—	32,816	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (2,735)	—	March 15, 2023	2,735	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (917)	—	March 15, 2024	917	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (1,185)	—	March 15, 2025	1,185	Disposed
March 2, 2023	AMBA	Restricted Stock Units	Ordinary Shares (14,663)	—	—	14,663	Acquired
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (2,735)	—	March 15, 2023	2,735	Disposed
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (917)	—	March 15, 2024	917	Disposed
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (1,185)	—	March 15, 2025	1,185	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (2,734)	—	March 15, 2023	2,734	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (918)	—	March 15, 2024	918	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (1,185)	—	March 15, 2025	1,185	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (2,735)	—	March 15, 2023	2,735	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (917)	—	March 15, 2024	917	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (1,185)	—	March 15, 2025	1,185	Disposed
April 11, 2022	AMBA	Performance Stock Units	Ordinary Shares (14,221)	—	March 15, 2025	14,221	Acquired
April 11, 2022	AMBA	Restricted Stock Units	Ordinary Shares (14,221)	—	March 15, 2025	14,221	Acquired
March 16, 2022	AMBA	Performance Stock Units	Ordinary Shares (35,604)	—	March 15, 2022	35,604	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (2,735)	—	March 15, 2023	2,735	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (917)	—	March 15, 2024	917	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (2,734)	—	March 15, 2023	2,734	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (917)	—	March 15, 2024	917	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (2,735)	—	March 15, 2023	2,735	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (917)	—	March 15, 2024	917	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (2,735)	—	March 15, 2023	2,735	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (917)	—	March 15, 2024	917	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (41,522)	—	March 15, 2021	41,522	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (2,734)	—	March 15, 2023	2,734	Disposed
March 4, 2021	AMBA	Performance Stock Units	Ordinary Shares (11,006)	—	March 15, 2024	11,006	Acquired
March 4, 2021	AMBA	Restricted Stock Units	Ordinary Shares (11,006)	—	—	11,006	Acquired
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (2,735)	—	March 15, 2023	2,735	Disposed
Nov. 24, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (4,369)	$38.92	Sept. 7, 2024	4,369	Disposed
Nov. 23, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (1,800)	$38.92	Sept. 7, 2024	1,800	Disposed
Nov. 20, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (900)	$38.92	Sept. 7, 2024	900	Disposed
Nov. 17, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (10,000)	$38.92	Sept. 7, 2024	10,000	Disposed
Nov. 9, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (4,445)	$8.82	Aug. 29, 2021	4,445	Disposed
Nov. 9, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (3,331)	$38.92	Sept. 7, 2024	3,331	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (2,735)	—	March 15, 2023	2,735	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (2,734)	—	March 15, 2023	2,734	Disposed
March 25, 2020	AMBA	Performance Stock Units	Ordinary Shares (32,816)	—	—	32,816	Acquired
March 25, 2020	AMBA	Restricted Stock Units	Ordinary Shares (32,816)	—	—	32,816	Acquired
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (11,199)	—	March 15, 2020	11,199	Disposed
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
Dec. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
Dec. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (2,614)	—	Sept. 15, 2019	2,614	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (2,967)	—	March 15, 2022	2,967	Disposed
March 19, 2019	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
March 19, 2019	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
March 7, 2019	AMBA	Performance Stock Units	Ordinary Shares (35,604)	—	March 15, 2022	35,604	Acquired
March 7, 2019	AMBA	Restricted Stock Units	Ordinary Shares (35,604)	—	March 15, 2022	35,604	Acquired
March 4, 2019	AMBA	Restricted Stock Units	Ordinary Shares (41,522)	—	March 15, 2021	41,522	Acquired
Dec. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
Dec. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (4,037)	—	June 15, 2021	4,037	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (4,036)	—	June 15, 2021	4,036	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
June 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
June 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
June 7, 2018	AMBA	Restricted Stock Units	Ordinary Shares (48,443)	—	June 15, 2021	48,443	Acquired
March 16, 2018	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
March 16, 2018	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
Feb. 26, 2018	AMBA	Restricted Stock Units	Ordinary Shares (11,199)	—	—	11,199	Acquired
Dec. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
Dec. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
Sept. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
Sept. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (3,500)	—	Aug. 27, 2023	3,500	Disposed
Sept. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
June 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (2,613)	—	Sept. 15, 2019	2,613	Disposed
June 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (3,500)	—	Aug. 27, 2023	3,500	Disposed
June 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
March 28, 2017	AMBA	Restricted Stock Units	Ordinary Shares (26,131)	—	—	26,131	Acquired
March 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (3,500)	—	Aug. 27, 2023	3,500	Disposed
March 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
Dec. 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (3,500)	—	Aug. 27, 2023	3,500	Disposed
Dec. 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
Sept. 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (764)	—	Aug. 27, 2022	764	Disposed
Sept. 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (3,500)	—	Aug. 27, 2023	3,500	Disposed
Sept. 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (2,975)	—	Sept. 7, 2024	2,975	Disposed
June 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (764)	—	Aug. 27, 2022	764	Disposed

Showing latest 100 of 157 transactions

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

Initial ownership (Form 3) 6 holdings

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

Date	Ticker	Security	Shares	Ownership
Oct. 9, 2012	AMBA	Ordinary Shares	1,408,888	Direct
Oct. 9, 2012	AMBA	Stock Option (right to buy)→ Ordinary Shares (88,888)	88,888	Direct
Oct. 9, 2012	AMBA	Stock Option (right to buy)→ Ordinary Shares (66,666)	66,666	Direct
Oct. 9, 2012	AMBA	Stock Option (right to buy)→ Odinary Shares (48,888)	48,888	Direct
Oct. 9, 2012	AMBA	Stock Option (right to buy)→ Ordinary Shares (35,555)	35,555	Direct
Oct. 9, 2012	AMBA	Restricted Stock Units→ Ordinary Shares (12,223)	12,223	Direct