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Total declarations
Company
▲ Purchases (0 ops.)
▼ Sales (16 ops.)
Latest filing published 05 Feb 2026 for Monolithic Power Systems INC. Read the official filing
Filing timeline
BuySaleJeff Zhou
Insider track record
Disclosed buys
0
Disclosed sells
16
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Jeff Zhou: trading record in brief
Jeff Zhou, listed as board member, appears in our data through filings on Monolithic Power Systems Inc shares, published by SEC (Form 4). In total, 21 filings cover trades dated from 28 June 2021 to 3 February 2026.
No open-market purchase appears, only 16 sales worth €2.6M. Other entries cover 5 share grants.
On 5 February 2026 came the latest disclosure, a share grant in Monolithic Power Systems Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 2 days. For comparison, the SEC allows two business days to file a Form 4. Sales are harder to read than purchases, since they often meet personal needs such as tax or diversification. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
Companies and markets linked to Jeff Zhou
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations21 total
21 of 21 declarations
