Latest filing published 15 Sept 2026 for Ambiq Micro, Inc., €496k.
Filing timeline
BuySaleInsider track record
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Ker Zhang: trading record in brief
Ker Zhang is a declared insider of Ambiq Micro, Inc., with filings sourced from SEC (Form 4). The record holds 6 filings, for trades running from 29 July 2025 to 11 September 2026.
The open-market record consists of 3 sales worth €555k, with no purchase. Other entries cover 2 share grants and 1 option exercise. Since January 2026: no purchases and 3 sales on the market.
Most recently, on 15 September 2026, the filings show an open-market sale worth €496k in Ambiq Micro, Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 4 days. For comparison, the SEC allows two business days to file a Form 4. A sale on its own says little: insiders also sell to pay tax, fund a purchase or diversify. This summary is built from SEC (Form 4) disclosures alone and does not predict where the share price will go.
Companies and markets linked to Ker Zhang
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
- 9,100 shares@ US$63.3856Common StockSEC:0001266870-26-000006:0
- 900 shares@ US$63.9467Common StockSEC:0001266870-26-000006:1
- 1,785 shares@ US$5.880.0004% mcap49.9% of flowCommon StockSEC:0001266870-26-000004:0
- 185 shares@ US$56.920.0005% mcap50.1% of flowCommon StockSEC:0001266870-26-000004:1
- 4,957 sharesCommon StockSEC:0001266870-26-000002:0
- 23,809 shares0Common StockSEC:0001415889-25-020774:0
6 of 6 declarations