Christopher Day

Insider

First SEC filing: Oct. 9, 2012 · Latest: Feb. 17, 2017

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 17, 2025

Insider transactions

0 buys (P) 0 sells (S) Net: $0 + 54 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

54 other filings hidden

Date	Ticker	Code	Shares	Price	Value	Owned after	Δ own	A/D	vs now
June 17, 2025	AMBA	S	342	$52.26	$17,873	15,099 Direct	-2.21%	Disposed	40.0% (price as of 2026-08-19)
March 18, 2025	AMBA	S	479	$55.02	$26,355	15,441 Direct	-3.01%	Disposed	33.0% (price as of 2026-08-19)
March 6, 2025	AMBA	S	834	$55.11	$45,962	15,686 Direct	-5.05%	Disposed	32.8% (price as of 2026-08-19)
March 5, 2025	AMBA	A	1,990	—	—	16,520 Direct	+13.70%	Acquired	(price as of 2026-08-19)
Jan. 3, 2025	AMBA	S	1,247	$78.10	$97,391	14,530 Direct	-7.90%	Disposed	-6.3% (price as of 2026-08-19)
Dec. 18, 2024	AMBA	S	81	$75.41	$6,108	16,625 Direct	-0.48%	Disposed	-3.0% (price as of 2026-08-19)
Dec. 18, 2024	AMBA	S	848	$75.40	$63,939	15,777 Direct	-5.10%	Disposed	-3.0% (price as of 2026-08-19)
Dec. 16, 2024	AMBA	S	482	$75.41	$36,348	16,706 Direct	-2.80%	Disposed	-3.0% (price as of 2026-08-19)
Dec. 2, 2024	AMBA	S	1,278	$71.61	$91,518	17,188 Direct	-6.92%	Disposed	2.2% (price as of 2026-08-19)
Oct. 3, 2024	AMBA	S	2,904	$58.00	$168,432	18,466 Direct	-13.59%	Disposed	26.1% (price as of 2026-08-19)
Sept. 17, 2024	AMBA	S	483	$53.54	$25,860	21,370 Direct	-2.21%	Disposed	36.6% (price as of 2026-08-19)
July 8, 2024	AMBA	S	1,408	$61.66	$86,817	21,599 Direct	-6.12%	Disposed	18.7% (price as of 2026-08-19)
June 18, 2024	AMBA	S	487	$55.48	$27,019	23,007 Direct	-2.07%	Disposed	31.9% (price as of 2026-08-19)
March 18, 2024	AMBA	S	416	$49.27	$20,496	23,494 Direct	-1.74%	Disposed	48.5% (price as of 2026-08-19)
March 8, 2024	AMBA	S	302	$57.16	$17,262	23,692 Direct	-1.26%	Disposed	28.0% (price as of 2026-08-19)
March 7, 2024	AMBA	A	726	—	—	23,994 Direct	+3.12%	Acquired	(price as of 2026-08-19)
Feb. 29, 2024	AMBA	A	7,284	—	—	23,268 Direct	+45.57%	Acquired	(price as of 2026-08-19)
Feb. 29, 2024	AMBA	A	7,284	—	—	7,284 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 19, 2023	AMBA	S	360	$63.04	$22,694	15,984 Direct	-2.20%	Disposed	16.1% (price as of 2026-08-19)
Sept. 18, 2023	AMBA	S	351	$57.30	$20,112	16,344 Direct	-2.10%	Disposed	27.7% (price as of 2026-08-19)
July 12, 2023	AMBA	S	2,285	$82.50	$188,512	16,532 Direct	-12.14%	Disposed	-11.3% (price as of 2026-08-19)
June 20, 2023	AMBA	S	354	$84.80	$30,019	18,817 Direct	-1.85%	Disposed	-13.7% (price as of 2026-08-19)
June 15, 2023	AMBA	A	8,340	—	—	19,171 Direct	+77.00%	Acquired	(price as of 2026-08-19)
June 13, 2023	AMBA	S	3,000	$86.94	$260,820	10,831 Direct	-21.69%	Disposed	-15.8% (price as of 2026-08-19)
June 9, 2023	AMBA	S	4,286	$82.97	$355,609	13,831 Direct	-23.66%	Disposed	-11.8% (price as of 2026-08-19)
April 13, 2023	AMBA	S	3,675	$69.24	$254,457	18,117 Direct	-16.86%	Disposed	5.7% (price as of 2026-08-19)
April 3, 2023	AMBA	A	4,377	—	—	4,377 Direct	—	Acquired	(price as of 2026-08-19)
March 17, 2023	AMBA	S	2,420	$76.85	$185,977	21,792 Direct	-10.00%	Disposed	-4.8% (price as of 2026-08-19)
March 15, 2023	AMBA	M	6,925	—	—	24,212 Direct	+40.06%	Acquired	(price as of 2026-08-19)
March 15, 2023	AMBA	M	8,055	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 15, 2023	AMBA	M	672	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 15, 2023	AMBA	M	275	—	—	1,101 Direct	-19.99%	Disposed	(price as of 2026-08-19)
March 15, 2023	AMBA	M	357	—	—	2,862 Direct	-11.09%	Disposed	(price as of 2026-08-19)
March 9, 2023	AMBA	S	358	$82.25	$29,446	17,096 Direct	-2.05%	Disposed	-11.0% (price as of 2026-08-19)
March 8, 2023	AMBA	A	867	—	—	17,454 Direct	+5.23%	Acquired	(price as of 2026-08-19)
March 2, 2023	AMBA	A	4,377	—	—	4,377 Direct	—	Acquired	(price as of 2026-08-19)
Dec. 20, 2022	AMBA	S	2,214	$81.57	$180,596	16,825 Direct	-11.63%	Disposed	-10.3% (price as of 2026-08-19)
Dec. 20, 2022	AMBA	S	238	$81.82	$19,473	16,587 Direct	-1.41%	Disposed	-10.6% (price as of 2026-08-19)
Dec. 16, 2022	AMBA	M	1,304	—	—	19,702 Direct	+7.09%	Acquired	(price as of 2026-08-19)
Dec. 16, 2022	AMBA	S	663	$83.77	$55,540	19,039 Direct	-3.37%	Disposed	-12.7% (price as of 2026-08-19)
Dec. 16, 2022	AMBA	M	671	—	—	672 Direct	-49.96%	Disposed	(price as of 2026-08-19)
Dec. 16, 2022	AMBA	M	275	—	—	1,376 Direct	-16.66%	Disposed	(price as of 2026-08-19)
Dec. 16, 2022	AMBA	M	358	—	—	3,219 Direct	-10.01%	Disposed	(price as of 2026-08-19)
Dec. 14, 2022	AMBA	S	333	$90.82	$30,243	20,398 Direct	-1.61%	Disposed	-19.4% (price as of 2026-08-19)
Dec. 14, 2022	AMBA	S	2,000	$90.82	$181,640	18,398 Direct	-9.80%	Disposed	-19.4% (price as of 2026-08-19)
Sept. 16, 2022	AMBA	M	1,305	—	—	21,401 Direct	+6.49%	Acquired	(price as of 2026-08-19)
Sept. 16, 2022	AMBA	S	670	$63.25	$42,378	20,731 Direct	-3.13%	Disposed	15.7% (price as of 2026-08-19)
Sept. 16, 2022	AMBA	M	671	—	—	1,343 Direct	-33.32%	Disposed	(price as of 2026-08-19)
Sept. 16, 2022	AMBA	M	276	—	—	1,651 Direct	-14.32%	Disposed	(price as of 2026-08-19)
Sept. 16, 2022	AMBA	M	358	—	—	3,577 Direct	-9.10%	Disposed	(price as of 2026-08-19)
June 16, 2022	AMBA	M	1,303	—	—	20,658 Direct	+6.73%	Acquired	(price as of 2026-08-19)
June 16, 2022	AMBA	S	704	$66.27	$46,654	19,954 Direct	-3.41%	Disposed	10.4% (price as of 2026-08-19)
June 16, 2022	AMBA	M	671	—	—	2,014 Direct	-24.99%	Disposed	(price as of 2026-08-19)
June 16, 2022	AMBA	M	275	—	—	1,927 Direct	-12.49%	Disposed	(price as of 2026-08-19)
June 16, 2022	AMBA	M	357	—	—	3,935 Direct	-8.32%	Disposed	(price as of 2026-08-19)
April 11, 2022	AMBA	A	4,292	—	—	4,292 Direct	—	Acquired	(price as of 2026-08-19)
April 11, 2022	AMBA	A	4,292	—	—	4,292 Direct	—	Acquired	(price as of 2026-08-19)
March 16, 2022	AMBA	M	17,637	—	—	26,760 Direct	+193.32%	Acquired	(price as of 2026-08-19)
March 16, 2022	AMBA	S	7,405	$91.20	$675,336	19,355 Direct	-27.67%	Disposed	-19.8% (price as of 2026-08-19)
March 16, 2022	AMBA	M	8,011	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 16, 2022	AMBA	M	668	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 16, 2022	AMBA	M	672	—	—	2,685 Direct	-20.02%	Disposed	(price as of 2026-08-19)
March 16, 2022	AMBA	M	275	—	—	2,202 Direct	-11.10%	Disposed	(price as of 2026-08-19)
March 14, 2022	AMBA	S	713	$84.42	$60,191	9,042 Direct	-7.31%	Disposed	-13.3% (price as of 2026-08-19)
March 8, 2022	AMBA	A	1,862	—	—	9,755 Direct	+23.59%	Acquired	(price as of 2026-08-19)
Dec. 27, 2021	AMBA	S	724	$205.00	$148,420	7,893 Direct	-8.40%	Disposed	-64.3% (price as of 2026-08-19)
Dec. 16, 2021	AMBA	M	1,614	—	—	9,507 Direct	+20.45%	Acquired	(price as of 2026-08-19)
Dec. 16, 2021	AMBA	S	890	$188.86	$168,085	8,617 Direct	-9.36%	Disposed	-61.3% (price as of 2026-08-19)
Dec. 16, 2021	AMBA	M	668	—	—	668 Direct	-50.00%	Disposed	(price as of 2026-08-19)
Dec. 16, 2021	AMBA	M	671	—	—	3,357 Direct	-16.66%	Disposed	(price as of 2026-08-19)
Dec. 16, 2021	AMBA	M	275	—	—	2,477 Direct	-9.99%	Disposed	(price as of 2026-08-19)
Dec. 7, 2021	AMBA	S	2,522	$205.00	$517,010	8,867 Direct	-22.14%	Disposed	-64.3% (price as of 2026-08-19)
Dec. 7, 2021	AMBA	S	781	$219.20	$171,195	8,086 Direct	-8.81%	Disposed	-66.6% (price as of 2026-08-19)
Dec. 7, 2021	AMBA	S	193	$198.00	$38,214	7,893 Direct	-2.39%	Disposed	-63.0% (price as of 2026-08-19)
Dec. 3, 2021	AMBA	M	1,613	—	—	12,221 Direct	+15.21%	Acquired	(price as of 2026-08-19)
Dec. 3, 2021	AMBA	S	832	$192.69	$160,318	11,389 Direct	-6.81%	Disposed	-62.0% (price as of 2026-08-19)
Sept. 16, 2021	AMBA	M	667	—	—	1,336 Direct	-33.30%	Disposed	(price as of 2026-08-19)
Sept. 16, 2021	AMBA	M	671	—	—	4,028 Direct	-14.28%	Disposed	(price as of 2026-08-19)
Sept. 16, 2021	AMBA	M	275	—	—	2,752 Direct	-9.08%	Disposed	(price as of 2026-08-19)
June 29, 2021	AMBA	S	786	$108.00	$84,888	10,500 Direct	-6.96%	Disposed	-32.3% (price as of 2026-08-19)
June 16, 2021	AMBA	M	2,826	—	—	12,731 Direct	+28.53%	Acquired	(price as of 2026-08-19)
June 16, 2021	AMBA	S	1,445	$101.39	$146,509	11,286 Direct	-11.35%	Disposed	-27.8% (price as of 2026-08-19)
June 16, 2021	AMBA	M	1,212	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
June 16, 2021	AMBA	M	668	—	—	2,003 Direct	-25.01%	Disposed	(price as of 2026-08-19)
June 16, 2021	AMBA	M	671	—	—	4,699 Direct	-12.50%	Disposed	(price as of 2026-08-19)
June 16, 2021	AMBA	M	275	—	—	3,027 Direct	-8.33%	Disposed	(price as of 2026-08-19)
June 14, 2021	AMBA	S	1,412	$105.00	$148,260	9,905 Direct	-12.48%	Disposed	-30.3% (price as of 2026-08-19)
March 31, 2021	AMBA	S	285	$99.82	$28,449	11,317 Direct	-2.46%	Disposed	-26.7% (price as of 2026-08-19)
March 17, 2021	AMBA	S	2,000	$112.00	$224,000	14,187 Direct	-12.36%	Disposed	-34.7% (price as of 2026-08-19)
March 17, 2021	AMBA	S	2,585	$108.00	$279,180	11,602 Direct	-18.22%	Disposed	-32.3% (price as of 2026-08-19)
March 16, 2021	AMBA	M	13,449	—	—	21,803 Direct	+160.99%	Acquired	(price as of 2026-08-19)
March 16, 2021	AMBA	S	5,616	$112.00	$628,992	16,187 Direct	-25.76%	Disposed	-34.7% (price as of 2026-08-19)
March 16, 2021	AMBA	M	12,456	—	—	0 Direct	-100.00%	Disposed	(price as of 2026-08-19)
March 16, 2021	AMBA	M	1,211	—	—	1,212 Direct	-49.98%	Disposed	(price as of 2026-08-19)
March 16, 2021	AMBA	M	667	—	—	2,671 Direct	-19.98%	Disposed	(price as of 2026-08-19)
March 16, 2021	AMBA	M	672	—	—	5,370 Direct	-11.12%	Disposed	(price as of 2026-08-19)
March 9, 2021	AMBA	A	848	—	—	8,964 Direct	+10.45%	Acquired	(price as of 2026-08-19)
March 9, 2021	AMBA	S	350	$109.70	$38,395	8,614 Direct	-3.90%	Disposed	-33.3% (price as of 2026-08-19)
March 4, 2021	AMBA	A	3,302	—	—	3,302 Direct	—	Acquired	(price as of 2026-08-19)
March 4, 2021	AMBA	A	3,302	—	—	3,302 Direct	—	Acquired	(price as of 2026-08-19)

Showing latest 100 of 407 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. 29, 2024	AMBA	Performance Stock Units	Ordinary Shares (7,284)	—	—	7,284	Acquired
April 3, 2023	AMBA	Performance Stock Units	Ordinary Shares (4,377)	—	March 15, 2026	4,377	Acquired
March 15, 2023	AMBA	Performance Stock Units	Ordinary Shares (8,055)	—	—	8,055	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (672)	—	March 15, 2023	672	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (275)	—	March 15, 2024	275	Disposed
March 15, 2023	AMBA	Restricted Stock Units	Ordinary Shares (357)	—	March 15, 2025	357	Disposed
March 2, 2023	AMBA	Restricted Stock Units	Ordinary Shares (4,377)	—	—	4,377	Acquired
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (275)	—	March 15, 2024	275	Disposed
Dec. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (358)	—	March 15, 2025	358	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (276)	—	March 15, 2024	276	Disposed
Sept. 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (358)	—	March 15, 2025	358	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (275)	—	March 15, 2024	275	Disposed
June 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (357)	—	March 15, 2025	357	Disposed
April 11, 2022	AMBA	Performance Stock Units	Ordinary Shares (4,292)	—	March 15, 2025	4,292	Acquired
April 11, 2022	AMBA	Restricted Stock Units	Ordinary Shares (4,292)	—	March 15, 2025	4,292	Acquired
March 16, 2022	AMBA	Performance Stock Units	Ordinary Shares (8,011)	—	March 15, 2022	8,011	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (0)	—	March 15, 2022	668	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (672)	—	March 15, 2023	672	Disposed
March 16, 2022	AMBA	Restricted Stock Units	Ordinary Shares (275)	—	March 15, 2024	275	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (668)	—	March 15, 2022	668	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
Dec. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (275)	—	March 15, 2024	275	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (667)	—	March 15, 2022	667	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
Sept. 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (275)	—	March 15, 2024	275	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (1,212)	—	June 15, 2021	1,212	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (668)	—	March 15, 2022	668	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
June 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (275)	—	March 15, 2024	275	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (12,456)	—	March 15, 2021	12,456	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (667)	—	March 15, 2022	667	Disposed
March 16, 2021	AMBA	Restricted Stock Units	Ordinary Shares (672)	—	March 15, 2023	672	Disposed
March 4, 2021	AMBA	Performance Stock Units	Ordinary Shares (3,302)	—	March 15, 2024	3,302	Acquired
March 4, 2021	AMBA	Restricted Stock Units	Ordinary Shares (3,302)	—	—	3,302	Acquired
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (668)	—	March 15, 2022	668	Disposed
Dec. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
Dec. 8, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (1,300)	$38.92	Sept. 7, 2024	1,300	Disposed
Nov. 30, 2020	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (1,000)	$38.92	Sept. 7, 2024	1,000	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (668)	—	March 15, 2022	668	Disposed
Sept. 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (667)	—	March 15, 2022	667	Disposed
June 16, 2020	AMBA	Restricted Stock Units	Ordinary Shares (671)	—	March 15, 2023	671	Disposed
March 25, 2020	AMBA	Performance Stock Units	Ordinary Shares (8,055)	—	—	8,055	Acquired
March 25, 2020	AMBA	Restricted Stock Units	Ordinary Shares (8,055)	—	—	8,055	Acquired
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (3,758)	—	March 15, 2020	3,758	Disposed
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
March 17, 2020	AMBA	Restricted Stock Units	Ordinary Shares (668)	—	March 15, 2022	668	Disposed
Dec. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
Dec. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (667)	—	March 15, 2022	667	Disposed
Sept. 30, 2019	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (1,000)	$38.92	Sept. 7, 2024	1,000	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
Sept. 17, 2019	AMBA	Restricted Stock Units	Ordinary Shares (668)	—	March 15, 2022	668	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
June 18, 2019	AMBA	Restricted Stock Units	Ordinary Shares (667)	—	March 15, 2022	667	Disposed
March 19, 2019	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
March 19, 2019	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
March 7, 2019	AMBA	Performance Stock Units	Ordinary Shares (8,011)	—	March 15, 2022	8,011	Acquired
March 7, 2019	AMBA	Restricted Stock Units	Ordinary Shares (8,011)	—	March 15, 2022	8,011	Acquired
March 4, 2019	AMBA	Restricted Stock Units	Ordinary Shares (12,456)	—	March 15, 2021	12,456	Acquired
Dec. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
Dec. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (1,211)	—	June 15, 2021	1,211	Disposed
Sept. 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (963)	—	Sept. 7, 2024	963	Disposed
June 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
June 18, 2018	AMBA	Restricted Stock Units	Ordinary Shares (962)	—	Sept. 7, 2024	962	Disposed
June 7, 2018	AMBA	Restricted Stock Units	Ordinary Shares (14,533)	—	June 15, 2021	14,533	Acquired
March 16, 2018	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
March 16, 2018	AMBA	Restricted Stock Units	Ordinary Shares (963)	—	Sept. 7, 2024	963	Disposed
Feb. 26, 2018	AMBA	Restricted Stock Units	Ordinary Shares (3,758)	—	—	3,758	Acquired
Dec. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
Dec. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (962)	—	Sept. 7, 2024	962	Disposed
Sept. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (877)	—	Sept. 15, 2019	877	Disposed
Sept. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (1,094)	—	Aug. 27, 2023	1,094	Disposed
Sept. 18, 2017	AMBA	Restricted Stock Units	Ordinary Shares (963)	—	Sept. 7, 2024	963	Disposed
June 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (876)	—	Sept. 15, 2019	876	Disposed
June 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (1,094)	—	Aug. 27, 2023	1,094	Disposed
June 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (962)	—	Sept. 7, 2024	962	Disposed
March 28, 2017	AMBA	Restricted Stock Units	Ordinary Shares (8,769)	—	—	8,769	Acquired
March 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (1,094)	—	Aug. 27, 2023	1,094	Disposed
March 16, 2017	AMBA	Restricted Stock Units	Ordinary Shares (963)	—	Sept. 7, 2024	963	Disposed
March 13, 2017	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (1,071)	$9.99	July 9, 2022	1,071	Disposed
Dec. 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (1,093)	—	Aug. 27, 2023	1,093	Disposed
Dec. 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (962)	—	Sept. 7, 2024	962	Disposed
Sept. 29, 2016	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (1,000)	$9.99	July 9, 2022	1,000	Disposed
Sept. 29, 2016	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (1,063)	$38.92	Sept. 7, 2024	1,063	Disposed
Sept. 28, 2016	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (2,000)	$9.99	July 9, 2022	2,000	Disposed
Sept. 28, 2016	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (1,000)	$38.92	Sept. 7, 2024	1,000	Disposed
Sept. 27, 2016	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (926)	$8.82	Aug. 29, 2021	926	Disposed
Sept. 21, 2016	AMBA	Non-Qualified Stock Option (right to buy)	Ordinary Shares (2,000)	$9.99	July 9, 2022	2,000	Disposed
Sept. 16, 2016	AMBA	Restricted Stock Units	Ordinary Shares (556)	—	Aug. 27, 2022	556	Disposed

Showing latest 100 of 170 transactions

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

Initial ownership (Form 3) 5 holdings

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

Date	Ticker	Security	Shares	Ownership
Oct. 9, 2012	AMBA	Stock Option (right to buy)→ Ordinary Shares (100,000)	100,000	Direct
Oct. 9, 2012	AMBA	Stock Option (right to buy)→ Ordinary Shares (8,888)	8,888	Direct
Oct. 9, 2012	AMBA	Stock Option (right to buy)→ Odinary Shares (22,222)	22,222	Direct
Oct. 9, 2012	AMBA	Stock Option (right to buy)→ Ordinary Shares (17,777)	17,777	Direct
Oct. 9, 2012	AMBA	Restricted Stock Units→ Ordinary Shares (8,889)	8,889	Direct