Who
Chenming Hu
Director
Company insider
Files Form 4 as: Director, Ambarella; Director, ACM Research; Director, Inphi; Director, Fortinet; Director, Sandisk; Director, FormFactor; Director, Peraso.
In numbers
- Trades disclosed
- 224
- Buys
- 3
- Sells
- 17
- Bought
- $298K
- Sold
- $17.1M
- Companies
- 7
- Companies where not an officer
- 7
- First trade
- 26 Jul 2006
- Last trade
- 8 Sep 2026
- Last filed
- 10 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 | |
|---|---|---|---|---|
| 8 Sep 2026filed 10 Sep 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —3,151 at $0.00 | filing |
| 8 Sep 2026filed 10 Sep 2026 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —3,151 at $0.00 | filing |
| 2 Sep 2025filed 4 Sep 2025 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —2,498 at $0.00 | filing |
| 17 Mar 2025filed 19 Mar 2025 | ACMR ACM ResearchSemiconductor Equipment | SEC FORM 4 Sold | $4.9M163,308 at $30.00 | filing |
| 29 Aug 2024filed 30 Aug 2024 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —3,374 at $0.00 | filing |
| 12 Aug 2024filed 20 Aug 2024 | ACMR ACM Researchoption or derivative · Semiconductor Equipment | SEC FORM 4 Code A | —20,000 at $0.00 | filing |
| 31 Aug 2023filed 1 Sep 2023 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —3,218 at $0.00 | filing |
| 10 Aug 2023filed 21 Aug 2023 | ACMR ACM Researchoption or derivative · Semiconductor Equipment | SEC FORM 4 Code A | —24,000 at $0.00 | filing |
| 10 Aug 2023filed 14 Aug 2023 | ACMR ACM Researchoption or derivative · Semiconductor Equipment | SEC FORM 4 Code A | —24,000 at $0.00 | filing |
| 15 Jun 2023filed 20 Jun 2023 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code A | —1,559 at $0.00 | filing |
| 15 Mar 2023filed 17 Mar 2023 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code M | —779 at $0.00 | filing |
| 15 Mar 2023filed 17 Mar 2023 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code M | —779 | filing |
| 16 Dec 2022filed 20 Dec 2022 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code M | —779 at $0.00 | filing |
| 16 Dec 2022filed 20 Dec 2022 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code M | —779 | filing |
| 16 Sep 2022filed 20 Sep 2022 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code M | —377 at $0.00 | filing |
| 16 Sep 2022filed 20 Sep 2022 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code M | —377 | filing |
| 1 Sep 2022filed 2 Sep 2022 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code A | —3,117 at $0.00 | filing |
| 30 Jun 2022filed 5 Jul 2022 | ACMR ACM Researchoption or derivative · Semiconductor Equipment | SEC FORM 4 Code A | —24,000 at $0.00 | filing |
| 16 Jun 2022filed 17 Jun 2022 | AMBA Ambarellaoption or derivative · Semiconductors | SEC FORM 4 Code M | —377 at $0.00 | filing |
| 16 Jun 2022filed 17 Jun 2022 | AMBA AmbarellaSemiconductors | SEC FORM 4 Code M | —377 | filing |
News
Head-To-Head Analysis: Himax Technologies (NASDAQ:HIMX) & ACM Research (NASDAQ:ACMR)ACMR · dailypolitical.com · 11 Oct 2026ACM Research (NASDAQ:ACMR) versus Himax Technologies (NASDAQ:HIMX) Critical ContrastACMR · tickerreport.com · 11 Oct 2026Analyzing QuickLogic (NASDAQ:QUIK) & ACM Research (NASDAQ:ACMR)ACMR · tickerreport.com · 5 Oct 2026
0 headlines in the last 90 days name Chenming Hu; 3 articles from the last 14 days about the 2 companies they traded most, at most three about any one of them.