Chi-Hong Ju sold $909K of Ambarella (AMBA)

Executed Oct 13 2025, disclosed Oct 15 2025, 2 days later.

Value, as filed

$909K

11,213 sh across 2 lots

Executed

Oct 13 2025

the trade date, as filed

Disclosed

Oct 15 2025

2 days after the trade

Return, 21 sessionsiFrom the disclosed entry session; derived

–

purchases only

Returns are measured on stock purchases only.

The filer

Chi-Hong Ju Sr. Vice President, Systems profile →

Chi-Hong Ju (Sr. Vice President, Systems) filed 8 Form 4 reports in the trailing twelve months (0 purchases, 8 sales, 1 filed past the two-business-day deadline), most often in Ambarella, Inc. (AMBA). The largest single filing was $909K of AMBA (11,213 sh across 2 lots, as filed), executed Oct 13 2025.

The name

AMBA

Ambarella, Inc. AMBA · Technology · 49 filings in 24 months ticker →

Technology · Ambarella, Inc. develops low-power system-on-a-chip, semiconductors, and software for edge and physical artificial intelligence, applicatio…

More Technology filings→ Insider filings, newest first→ View the original filing at www.sec.gov→

Other filings by Chi-Hong Ju in AMBA

AMBASALE Ambarella, Inc. $130K
2,009 sh × $64.83
Exec Sep 17
Filed Sep 18 · 4:50 PM ET AMBASALE Ambarella, Inc. $888K
10,000 sh × $88.84
Exec Jul 1
Filed Jul 2 · 4:58 PM ET AMBASALE Ambarella, Inc. $137K
2,017 sh × $67.87
Exec Jun 17
Filed Jun 18 · 5:30 PM ET AMBASALE Ambarella, Inc. $366K
6,884 sh across 2 lots
Exec Mar 17
Filed Mar 19 · 5:30 PM ET AMBASALE Ambarella, Inc. $584K
7,728 sh × $75.58
Exec Jan 5
Filed Jan 7 · 5:30 PM ET AMBASALE Ambarella, Inc. $558K
7,945 sh × $70.25
Exec Dec 30 2025
Filed Jan 23 · 5:30 PM ET † AMBASALE Ambarella, Inc. $265K
3,765 sh × $70.32
Exec Dec 30 2025
Filed Dec 31 2025 · 5:30 PM ET AMBASALE Ambarella, Inc. $102K
1,859 sh × $55.11
Exec Mar 6 2025
Filed Mar 7 2025 · 5:30 PM ET