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 158,874 shares of AMBA, which is worth approximately $14 Million. The most recent transaction as insider was on Oct 14, 2025, when has been sold 6,156 shares (Ordinary Shares) at a price of $80.96 per share, resulting in proceeds of $498,389. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 159K

7.11% 3M change

7.84% 12M change

Total Value Held $14 Million

Chi-Hong Ju Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
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
Feb 29 2024	BUY Grant, award, or other acquisition	-	15,898 Added 7.94%	184,288 Ordinary Shares
Dec 19 2023	SELL Open market or private sale	$67,704 $63.04 p/Share	1,074 Reduced 0.63%	168,390 Ordinary Shares
Sep 18 2023	SELL Open market or private sale	$60,050 $57.3 p/Share	1,048 Reduced 0.61%	169,464 Ordinary Shares

Chi Hong Ju

Senior VP, Systems & GM, Asia

Santa Clara, CA

Institutional Portfolio Updates

Receive a notification when an Institution or Guru buys or sells AMBA shares.

Notify only if

Value

Insider Trading

Get notified when an Ambarella Inc insider buys or sells AMBA shares.

Notify only if

Operation

Value

Type

News

Receive news related to AMBARELLA INC

Track Activities on AMBA

Account