InsidersTradesSigma
Total declarations
Companies
▲ Purchases (0 ops.)
▼ Sales (15 ops.)
Insider track record
OtherDisclosed buys
0
Disclosed sells
15
Not enough buy signals with a settled T+90 horizon to measure a track record yet.
Signal history
Browse the complete record of transactions filed by Chang Kuo Wei Herbert. Director active across 2 companies, notably Monolithic Power Systems INC. In total, 20 filings have been logged. Split: 0 buy · 15 sells. Total volume traded: €1.5m. Activity tracked since 8 February 2022. The latest transaction was disclosed on 24 August 2026 (Cession). Regulator: SEC (Form 4). The full history is free.
Companies and markets linked to Chang Kuo Wei Herbert
Open company profiles for insider transactions, fundamentals and analyst consensus when available.
Declarations20 total
50 shares@ US$1,281.57Common StockSEC:0001214659-26-010853:0
50 shares@ US$1,420.000.0030% mcap100.0% of flowCommon StockSEC:0001214659-26-010101:0
189 shares0Common StockSEC:0001214659-26-001260:0
100 shares@ US$896.975.5% of flowCommon StockSEC:0001214659-25-017235:0
100 shares@ US$873.975.4% of flowCommon StockSEC:0001214659-25-017110:0
50 shares@ US$738.002.6% of flowCommon StockSEC:0001214659-25-007514:0
100 shares@ US$698.005.0% of flowCommon StockSEC:0001214659-25-007421:0
100 shares@ US$650.004.6% of flowCommon StockSEC:0001214659-25-007331:0
335 shares0Common StockSEC:0001214659-25-002114:0
100 shares@ US$888.886.5% of flowCommon StockSEC:0001214659-24-014809:0
200 shares@ US$750.0011.1% of flowCommon StockSEC:0001214659-24-009810:0
100 shares@ US$730.005.4% of flowCommon StockSEC:0001214659-24-009375:0
250 shares@ US$706.3413.0% of flowCommon StockSEC:0001214659-24-003785:0
250 shares@ US$750.0013.9% of flowCommon StockSEC:0001214659-24-003399:0
348 shares0Common StockSEC:0001214659-24-002143:0
400 shares@ US$523.6415.7% of flowCommon StockSEC:0001214659-23-015229:0
100 shares@ US$510.003.8% of flowCommon StockSEC:0001214659-23-014897:0
500 shares@ US$500.0018.4% of flowCommon StockSEC:0001214659-23-011786:0
470 shares0Common StockSEC:0001214659-23-001843:0
542 shares0Common StockSEC:0001214659-22-002136:0
20 of 20 declarations
About Chang Kuo Wei Herbert
CHANG KUO WEI HERBERT is a declarant linked to Monolithic Power Systems INC, where he is Director. The 18 filings recorded, all within the sampled set, cover the period from 2022-02-09 to 2026-02-05 and consist only of sales, with total buys of EUR 0 and total sales of EUR 1403230.
