Chi-Hong Ju

CIK: 0001882831

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)19 (70.4%)

Position reduction

Option Exercises (M)1 (3.7%)

Derivative conversions

Awards (A)4 (14.8%)

Compensation grants

Other (G, F, J, C, D, …)3 (11.1%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

AMBA

AMBARELLA INC

Officer

Discretionary Trading P&L

Holdings

Transaction History (27 total)

AMBA
AMBARELLA INC
Sep 17, 2026
Sale(S)
Direct
2K shares at avg. $64.83$130K
AMBA
AMBARELLA INC
Jul 1, 2026
Sale(S)
Direct
10K shares at avg. $88.84$888K
AMBA
AMBARELLA INC
Jun 17, 2026
Sale(S)
Direct
2K shares at avg. $67.87$137K
AMBA
AMBARELLA INC
Mar 19, 2026
Sale(S)
Direct
2.2K shares at avg. $54.14$117K
AMBA
AMBARELLA INC
Mar 18, 2026
Award(A)
Direct
5.9K shares-
AMBA
AMBARELLA INC
Mar 17, 2026
Exercise(M)
Direct
9.6K shares-
AMBA
AMBARELLA INC
Mar 17, 2026
Sale(S)
Direct
4.7K shares at avg. $52.77$250K
AMBA
AMBARELLA INC
Mar 2, 2026
Award(A)
Direct
17.3K shares-
AMBA
AMBARELLA INC
Jan 5, 2026
Sale(S)
Direct
7.7K shares at avg. $75.58$584K
AMBA
AMBARELLA INC
Dec 30, 2025
Sale(S)
Direct
7.9K shares at avg. $70.25$558K
AMBA
AMBARELLA INC
Dec 30, 2025
Sale(S)
Direct
3.8K shares at avg. $70.32$265K
AMBA
AMBARELLA INC
Dec 17, 2025
Sale(S)
Direct
1.3K shares at avg. $71.82$96K
AMBA
AMBARELLA INC
Oct 14, 2025
Sale(S)
Direct
6.2K shares at avg. $80.96$498K
AMBA
AMBARELLA INC
Oct 13, 2025
Sale(S)
Direct
5.1K shares at avg. $81.29$411K
AMBA
AMBARELLA INC
Sep 17, 2025
Sale(S)
Direct
1.2K shares at avg. $79.43$93K
AMBA
AMBARELLA INC
Jun 17, 2025
Sale(S)
Direct
1.1K shares at avg. $52.26$58K
AMBA
AMBARELLA INC
Mar 18, 2025
Sale(S)
Direct
1K shares at avg. $55.02$57K
AMBA
AMBARELLA INC
Mar 6, 2025
Sale(S)
Direct
1.9K shares at avg. $55.11$102K
AMBA
AMBARELLA INC
Mar 5, 2025
Award(A)
Direct
4.8K shares-
AMBA
AMBARELLA INC
Feb 28, 2025
Award(A)
Direct
12.4K shares-
AMBA
AMBARELLA INC
Dec 16, 2024
Sale(S)
Direct
1K shares at avg. $75.41$79K
AMBA
AMBARELLA INC
Dec 9, 2024
Sale(S)
Direct
3K shares at avg. $75.72$227K
AMBA
AMBARELLA INC
Dec 9, 2024
Sale(S)
Direct
2.1K shares at avg. $75.69$160K
AMBA
AMBARELLA INC
Dec 9, 2024
Gift(G)
Direct
593 shares-
AMBA
AMBARELLA INC
Dec 4, 2024
Gift(G)
Indirect
5K shares-

		Type	Shares	Price		Ownership
Sep 17, 2026	AMBA AMBARELLA INC	Sale(S)	2,009	$64.83	$130,243	Direct
Jul 1, 2026	AMBA AMBARELLA INC	Sale(S)	10,000	$88.84	$888,400	Direct
Jun 17, 2026	AMBA AMBARELLA INC	Sale(S)	2,017	$67.87	$136,894	Direct
Mar 19, 2026	AMBA AMBARELLA INC	Sale(S)	2,155	$54.14	$116,672	Direct
Mar 18, 2026	AMBA AMBARELLA INC	Award(A)	5,930	-	$0	Direct
Mar 17, 2026	AMBA AMBARELLA INC	Exercise(M)	9,553	-	$0	Direct
Mar 17, 2026	AMBA AMBARELLA INC	Sale(S)	4,729	$52.77	$249,549	Direct
Mar 2, 2026	AMBA AMBARELLA INC	Award(A)	17,329	-	$0	Direct
Jan 5, 2026	AMBA AMBARELLA INC	Sale(S)	7,728	$75.58	$584,105	Direct
Dec 30, 2025	AMBA AMBARELLA INC	Sale(S)	7,945	$70.25	$558,136	Direct
Dec 30, 2025	AMBA AMBARELLA INC	Sale(S)	3,765	$70.32	$264,755	Direct
Dec 17, 2025	AMBA AMBARELLA INC	Sale(S)	1,342	$71.82	$96,382	Direct
Oct 14, 2025	AMBA AMBARELLA INC	Sale(S)	6,156	$80.96	$498,390	Direct
Oct 13, 2025	AMBA AMBARELLA INC	Sale(S)	5,057	$81.29	$411,093	Direct
Sep 17, 2025	AMBA AMBARELLA INC	Sale(S)	1,168	$79.43	$92,774	Direct
Jun 17, 2025	AMBA AMBARELLA INC	Sale(S)	1,108	$52.26	$57,904	Direct
Mar 18, 2025	AMBA AMBARELLA INC	Sale(S)	1,034	$55.02	$56,891	Direct
Mar 6, 2025	AMBA AMBARELLA INC	Sale(S)	1,859	$55.11	$102,449	Direct
Mar 5, 2025	AMBA AMBARELLA INC	Award(A)	4,773	-	-	Direct
Feb 28, 2025	AMBA AMBARELLA INC	Award(A)	12,388	-	-	Direct
Dec 16, 2024	AMBA AMBARELLA INC	Sale(S)	1,048	$75.41	$79,030	Direct
Dec 9, 2024	AMBA AMBARELLA INC	Sale(S)	3,000	$75.72	$227,160	Direct
Dec 9, 2024	AMBA AMBARELLA INC	Sale(S)	2,118	$75.69	$160,315	Direct
Dec 9, 2024	AMBA AMBARELLA INC	Gift(G)	593	-	$0	Direct
Dec 4, 2024	AMBA AMBARELLA INC	Gift(G)	5,000	-	$0	Indirect

1-25 of 27 transactions

About Ju Chi-Hong

Ju Chi-Hong (SEC CIK 0001882831) files insider reports with the SEC as Senior VP, Systems & GM of AMBARELLA INC (AMBA).

Signal8 holds 18 ownership filings by Ju Chi-Hong, all Form 4s, filed between Sep 19, 2024 and Sep 18, 2026. Those filings report 27 transactions, from Sep 17, 2024 to Sep 17, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Ju Chi-Hong's filings is in SANTA CLARA, CA.

Recent filings by Ju Chi-Hong

Sep 17, 2026: Open-market sale of AMBA shares (Form 4, code S).
Jul 1, 2026: Open-market sale of AMBA shares (Form 4, code S).
Jun 17, 2026: Open-market sale of AMBA shares (Form 4, code S).
Mar 19, 2026: Open-market sale of AMBA shares (Form 4, code S).
Mar 18, 2026: Grant or award of AMBA shares (Form 4, code A).

Other insiders filing for AMBARELLA INC (AMBA)

PAISLEY CHRISTOPHER B, Director
Young John Alexander, CFO
Wang Feng-Ming, CEO
Lee Chan W, Chief Operations Officer
Hu Chenming, Director
Bryant Gregory M, Director

How to read Form 4 transaction codes