Who
In numbers
- Trades disclosed
- 13
- Buys
- 0
- Sells
- 2
- Bought
- $0
- Sold
- $1.3M
- Companies
- 1
- Companies where not an officer
- 1
- First trade
- 29 Jul 2025
- Last trade
- 11 Sep 2026
- Last filed
- 15 Sep 2026
Companies traded
Activity over time
1 Aug – 1 Oct
Buys above the line, sells below, each month.
Every trade
| Traded | Company | What | Amount | |
|---|---|---|---|---|
| 11 Sep 2026filed 15 Sep 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Sold | $577K9,100 at $63.39 | filing |
| 11 Sep 2026filed 15 Sep 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Sold | $58K900 at $63.95 | filing |
| 11 Sep 2026filed 15 Sep 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Sold | $577K9,100 at $63.39 | filing |
| 11 Sep 2026filed 15 Sep 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Sold | $58K900 at $63.95 | filing |
| 4 Sep 2026filed 9 Sep 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Code M | $10K1,785 at $5.88 | filing |
| 4 Sep 2026filed 9 Sep 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Sold | $11K185 at $56.92 | filing |
| 4 Sep 2026filed 9 Sep 2026 | AMBQ Ambiq Microoption or derivative · Semiconductors | SEC FORM 4 Code M | —1,785 at $0.00 | filing |
| 4 Sep 2026filed 9 Sep 2026 | AMBQ Ambiq Microoption or derivative · Semiconductors | SEC FORM 4 Code M | —1,785 at $0.00 | filing |
| 4 Sep 2026filed 9 Sep 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Code M | $10K1,785 at $5.88 | filing |
| 4 Sep 2026filed 9 Sep 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Sold | $11K185 at $56.92 | filing |
| 8 Jun 2026filed 10 Jun 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Code A | —4,957 at $0.00 | filing |
| 8 Jun 2026filed 10 Jun 2026 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Code A | —4,957 at $0.00 | filing |
| 29 Jul 2025filed 31 Jul 2025 | AMBQ Ambiq MicroSemiconductors | SEC FORM 4 Code A | —23,809 at $0.00 | filing |
News
US Seeks Chinese Hacker Zhang Yu Under $10M Reward Programme Over Alleged Theft of COVID-19 Researchibtimes.co.uk · 8 Oct 2026Ambiq Micro (NYSE:AMBQ) Director Ker Zhang Sells 10,000 Sharesdailypolitical.com · 16 Sep 2026Ambiq Micro (NYSE:AMBQ) & Mobix Labs (NASDAQ:MOBX) Head-To-Head SurveyAMBQ · dailypolitical.com · 25 Oct 2026Ambiq Micro (NYSE:AMBQ) versus Enphase Energy (NASDAQ:ENPH) Critical ContrastAMBQ · themarketsdaily.com · 22 Oct 2026Onto Innovation (NYSE:ONTO) & Ambiq Micro (NYSE:AMBQ) Critical ReviewAMBQ · dailypolitical.com · 13 Oct 2026
2 headlines in the last 90 days name Ker Zhang; 3 articles from the last 14 days about the 1 company they traded most, at most three about any one of them.