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START FREE TRIAL →Chang Kuo Wei Herbert, Director, is a corporate insider tracked by InsiderTape across 1 company. The public record shows 13 open-market SEC Form 4 transactions: 0 purchases worth $0 and 13 sales worth $1.5M, reported from Aug 29, 23 to Nov 25, 25. Over this period they have been a net seller.
| Date | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|
| Nov 25, 25 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 100 | $896.97 | $90K |
| Nov 21, 25 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 100 | $873.97 | $87K |
| May 13, 25 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 50 | $738.00 | $37K |
| May 12, 25 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 100 | $698.00 | $70K |
| May 8, 25 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 100 | $650.00 | $65K |
| Aug 15, 24 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 100 | $898.00 | $90K |
| May 20, 24 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 200 | $750.00 | $150K |
| May 15, 24 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 100 | $740.00 | $74K |
| Feb 29, 24 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 250 | $706.34 | $177K |
| Feb 22, 24 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 250 | $750.00 | $188K |
| Nov 14, 23 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 400 | $523.64 | $209K |
| Nov 13, 23 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 100 | $510.00 | $51K |
| Aug 29, 23 | MPWRMONOLITHIC POWER SYSTEMS INC | SELL | 500 | $500.00 | $250K |