Who
Chi-Hong Ju
Senior VP, Systems & GM
Company insider
Files Form 4 as: Senior VP, Systems & GM, Ambarella.
In numbers
- Trades disclosed
- 109
- Buys
- 0
- Sells
- 43
- Bought
- $0
- Sold
- $12.8M
- Companies
- 1
- Companies where not an officer
- 0
- First trade
- 16 Sep 2021
- Last trade
- 17 Sep 2026
- Last filed
- 18 Sep 2026
Companies traded
Activity over time
1 Nov 2024 – 1 Oct 2026
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 17 Sep 2026filed 18 Sep 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $130K2,009 at $64.83 | filing |
| 17 Sep 2026filed 18 Sep 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $130K2,009 at $64.83 | filing |
| 1 Jul 2026filed 2 Jul 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $888K10,000 at $88.84 | filing |
| 1 Jul 2026filed 2 Jul 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $888K10,000 at $88.84 | filing |
| 17 Jun 2026filed 18 Jun 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $137K2,017 at $67.87 | filing |
| 17 Jun 2026filed 18 Jun 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $137K2,017 at $67.87 | filing |
| 19 Mar 2026filed 19 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $117K2,155 at $54.14 | filing |
| 19 Mar 2026filed 19 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $117K2,155 at $54.14 | filing |
| 18 Mar 2026filed 19 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —5,930 at $0.00 | filing |
| 18 Mar 2026filed 19 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —5,930 at $0.00 | filing |
| 17 Mar 2026filed 19 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code M | —9,553 | filing |
| 17 Mar 2026filed 19 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $250K4,729 at $52.77 | filing |
| 17 Mar 2026filed 19 Mar 2026 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code M | —9,553 at $0.00 | filing |
| 17 Mar 2026filed 19 Mar 2026 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code M | —9,553 at $0.00 | filing |
| 17 Mar 2026filed 19 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code M | —9,553 | filing |
| 17 Mar 2026filed 19 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Sold | $250K4,729 at $52.77 | filing |
| 2 Mar 2026filed 4 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —17,329 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code A | —17,329 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code A | —17,329 at $0.00 | filing |
| 2 Mar 2026filed 4 Mar 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —17,329 at $0.00 | filing |
News
Comparing Disco (OTCMKTS:DSCSY) & Ambarella (NASDAQ:AMBA)AMBA · dailypolitical.com · 13 Oct 2026
0 headlines in the last 90 days name Chi-Hong Ju; 1 article from the last 14 days about the 1 company they traded most, at most three about any one of them.