Chi Hong Ju Ambarella Inc (AMBA) insider trading activity

Chi Hong Ju is Senior VP, Systems & GM, Asia of AMBARELLA INC. Currently has a direct ownership of 146,039 shares of AMBA, which is worth approximately $12.8 Million. The most recent transaction as insider was on Jan 05, 2026, when has been sold 7,728 shares (Ordinary Shares) at a price of $75.58 per share, resulting in proceeds of $584,082. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 146K

14.14% 3M change

7.36% 12M change

Total Value Held $12.8 Million

Chi-Hong Ju Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jan 05 2026	SELL Open market or private sale	$584,082 $75.58 p/Share	7,728 Reduced 5.03%	146,039 Ordinary Shares
Dec 30 2025	SELL Open market or private sale	$264,754 $70.32 p/Share	3,765 Reduced 2.39%	153,767 Ordinary Shares
Dec 17 2025	SELL Open market or private sale	$96,382 $71.82 p/Share	1,342 Reduced 0.84%	157,532 Ordinary Shares
Oct 14 2025	SELL Open market or private sale	$498,389 $80.96 p/Share	6,156 Reduced 3.73%	158,874 Ordinary Shares
Oct 13 2025	SELL Open market or private sale	$411,083 $81.29 p/Share	5,057 Reduced 2.97%	165,030 Ordinary Shares
Sep 17 2025	SELL Open market or private sale	$92,774 $79.43 p/Share	1,168 Reduced 0.68%	170,087 Ordinary Shares
Jun 17 2025	SELL Open market or private sale	$57,904 $52.26 p/Share	1,108 Reduced 0.64%	171,032 Ordinary Shares

Mar 18 2025	SELL Open market or private sale	$56,890 $55.02 p/Share	1,034 Reduced 0.6%	172,140 Ordinary Shares
Mar 06 2025	SELL Open market or private sale	$102,449 $55.11 p/Share	1,859 Reduced 1.06%	172,940 Ordinary Shares
Mar 05 2025	BUY Grant, award, or other acquisition	-	4,773 Added 2.66%	174,799 Ordinary Shares
Feb 28 2025	BUY Grant, award, or other acquisition	-	12,388 Added 6.79%	170,026 Ordinary Shares
Dec 16 2024	SELL Open market or private sale	$79,029 $75.41 p/Share	1,048 Reduced 0.66%	157,638 Ordinary Shares
Dec 09 2024	SELL Open market or private sale	$387,483 $75.71 p/Share	5,118 Reduced 3.12%	158,686 Ordinary Shares
Dec 09 2024	SELL Bona fide gift	-	593 Reduced 0.36%	163,804 Ordinary Shares
Dec 04 2024	SELL Bona fide gift	-	5,000 Reduced 2.95%	164,397 Ordinary Shares
Sep 17 2024	SELL Open market or private sale	$56,217 $53.54 p/Share	1,050 Reduced 0.61%	172,397 Ordinary Shares
Jun 26 2024	SELL Open market or private sale	$317,400 $52.9 p/Share	6,000 Reduced 3.35%	173,193 Ordinary Shares
Jun 21 2024	SELL Open market or private sale	$494,217 $55.53 p/Share	8,900 Reduced 4.73%	179,193 Ordinary Shares
Jun 21 2024	BUY Exercise of conversion of derivative security	$346,388 $38.92 p/Share	8,900 Added 4.52%	188,093 Ordinary Shares
Jun 18 2024	SELL Open market or private sale	$58,753 $55.48 p/Share	1,059 Reduced 0.59%	179,193 Ordinary Shares
Jun 10 2024	SELL Open market or private sale	$108,962 $57.5 p/Share	1,895 Reduced 1.04%	180,252 Ordinary Shares
Jun 07 2024	SELL Open market or private sale	$130,389 $56.79 p/Share	2,296 Reduced 1.24%	182,147 Ordinary Shares
Mar 18 2024	SELL Open market or private sale	$38,332 $49.27 p/Share	778 Reduced 0.42%	184,443 Ordinary Shares
Mar 08 2024	SELL Open market or private sale	$29,094 $57.16 p/Share	509 Reduced 0.27%	185,003 Ordinary Shares
Mar 07 2024	BUY Grant, award, or other acquisition	-	1,224 Added 0.66%	185,512 Ordinary Shares

Chi Hong Ju

Senior VP, Systems & GM, Asia

Santa Clara, CA

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