David Jeffrey Richardson Ambarella Inc (AMBA) insider trading activity

David Jeffrey Richardson is Director of AMBARELLA INC. Currently has a direct ownership of 2,498 shares of AMBA, which is worth approximately $219,424. The most recent transaction as insider was on Dec 15, 2025, when has been sold 2,531 shares (Ordinary Shares) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 2.5K

50.33% 3M change

40.22% 12M change

Total Value Held $219,424

DAVID JEFFREY RICHARDSON Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Dec 15 2025	SELL Bona fide gift	-	2,531 Reduced 50.33%	2,498 Ordinary Shares
Sep 02 2025	BUY Grant, award, or other acquisition	-	2,498 Added 33.19%	5,029 Ordinary Shares
Jan 15 2025	SELL Bona fide gift	-	1,648 Reduced 39.44%	2,531 Ordinary Shares
Aug 29 2024	BUY Grant, award, or other acquisition	-	3,374 Added 44.67%	4,179 Ordinary Shares
Jun 26 2024	SELL Bona fide gift	-	21,633 Reduced 96.41%	805 Ordinary Shares
Dec 06 2023	SELL Open market or private sale	$473,290 $58.75 p/Share	8,056 Reduced 26.42%	22,438 Ordinary Shares
Dec 06 2023	BUY Exercise of conversion of derivative security	$282,604 $35.08 p/Share	8,056 Added 20.9%	30,494 Ordinary Shares

Aug 31 2023	BUY Grant, award, or other acquisition	-	3,218 Added 12.54%	22,438 Ordinary Shares
Jun 15 2023	BUY Grant, award, or other acquisition	-	1,559 Added 7.5%	19,220 Ordinary Shares
Mar 15 2023	BUY Exercise of conversion of derivative security	-	779 Added 4.22%	17,661 Ordinary Shares
Dec 16 2022	BUY Exercise of conversion of derivative security	-	779 Added 4.41%	16,882 Ordinary Shares
Sep 16 2022	BUY Exercise of conversion of derivative security	-	377 Added 2.29%	16,103 Ordinary Shares
Jun 16 2022	BUY Exercise of conversion of derivative security	-	377 Added 2.34%	15,726 Ordinary Shares
Mar 16 2022	BUY Exercise of conversion of derivative security	-	377 Added 2.4%	15,349 Ordinary Shares
Dec 16 2021	BUY Exercise of conversion of derivative security	-	377 Added 2.46%	14,972 Ordinary Shares
Dec 09 2021	SELL Open market or private sale	$1,739,880 $216.0 p/Share	8,055 Reduced 35.56%	14,595 Ordinary Shares
Dec 09 2021	BUY Exercise of conversion of derivative security	$282,569 $35.08 p/Share	8,055 Added 26.23%	22,650 Ordinary Shares
Sep 16 2021	BUY Exercise of conversion of derivative security	-	959 Added 6.17%	14,595 Ordinary Shares
Jun 16 2021	BUY Exercise of conversion of derivative security	-	958 Added 6.56%	13,636 Ordinary Shares
Mar 16 2021	BUY Exercise of conversion of derivative security	-	958 Added 7.03%	12,678 Ordinary Shares
Dec 16 2020	BUY Exercise of conversion of derivative security	-	958 Added 7.56%	11,720 Ordinary Shares

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