CHANG KUO WEI HERBERT

Insider CIK 1192171 · MPWR Director

Track record PRO

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Track record

See how this insider's past purchases performed 30 and 90 days later, and a conviction score on each buy.

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Trades across companies

Ticker	Code	Trade	Filed	Shares	Price	Value	Owned after
MPWR MONOLITHIC POWER SYSTEMS,	S Sale	2026-08-24	2026-08-25	50	$1281.57	$64.1K	515	SEC↗
MPWR MONOLITHIC POWER SYSTEMS,	S Sale	2026-08-24	2026-08-25	50	$1281.57	$64.1K	515	SEC↗
MPWR MONOLITHIC POWER SYSTEMS,	S Sale	2026-08-11	2026-08-13	50	$1420.00	$71.0K	565	SEC↗
MPWR MONOLITHIC POWER SYSTEMS,	S Sale	2026-08-11	2026-08-13	50	$1420.00	$71.0K	565	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2026-02-03	2026-02-05	189	—	$0	615	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2025-11-25	2025-11-25	100	$896.97	$89.7K	426	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2025-11-21	2025-11-24	100	$873.97	$87.4K	526	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2025-05-13	2025-05-13	50	$738.00	$36.9K	626	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2025-05-12	2025-05-12	100	$698.00	$69.8K	676	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2025-05-08	2025-05-09	100	$650.00	$65.0K	776	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2025-02-04	2025-02-06	335	—	$0	876	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2024-08-15	2024-08-15	100	$888.88	$88.9K	641	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2024-08-15	2024-08-15	100	$898.00	$89.8K	541	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2024-05-20	2024-05-22	200	$750.00	$150.0K	741	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2024-05-15	2024-05-15	100	$730.00	$73.0K	1,041	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2024-05-15	2024-05-15	100	$740.00	$74.0K	941	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2024-02-29	2024-02-29	250	$706.34	$176.6K	1,141	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2024-02-22	2024-02-23	250	$750.00	$187.5K	1,391	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2024-02-06	2024-02-08	348	—	$0	1,641	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2023-11-14	2023-11-15	400	$523.64	$209.5K	1,293	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2023-11-13	2023-11-13	100	$510.00	$51.0K	1,693	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2023-08-29	2023-08-29	500	$500.00	$250.0K	1,793	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2023-02-07	2023-02-08	470	—	$0	2,293	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2022-02-08	2022-02-09	542	—	$0	2,356	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2021-02-26	2021-02-26	300	$370.00	$111.0K	1,281	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2021-02-02	2021-02-04	533	—	$0	1,581	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-11-04	2020-11-05	3,000	$326.33	$979.0K	1,048	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-28	2020-09-01	1,300	$268.00	$348.4K	4,048	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-12	2020-08-14	200	$279.00	$55.8K	5,548	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-12	2020-08-14	200	$280.00	$56.0K	5,348	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-07	2020-08-10	100	$283.00	$28.3K	5,748	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-06	2020-08-10	600	$280.00	$168.0K	5,848	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-05	2020-08-05	200	$277.00	$55.4K	6,448	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-05	2020-08-05	200	$275.00	$55.0K	6,848	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-05	2020-08-05	200	$276.00	$55.2K	6,648	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-04	2020-08-05	100	$275.00	$27.5K	7,048	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-04	2020-08-05	100	$274.00	$27.4K	7,148	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-08-03	2020-08-05	476	$271.26	$129.1K	7,248	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-05-11	2020-05-12	2,000	$212.00	$424.0K	7,724	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-05-08	2020-05-12	1,026	$208.00	$213.4K	9,724	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-05-05	2020-05-07	1,000	$198.00	$198.0K	10,750	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-02-13	2020-02-14	1,000	$192.00	$192.0K	11,750	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2020-02-12	2020-02-14	1,048	—	$0	12,750	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2020-02-11	2020-02-12	1,000	$187.72	$187.7K	11,702	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2019-02-11	2019-02-12	1,339	—	$0	12,702	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2018-02-07	2018-02-09	1,590	—	$0	11,363	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2017-02-07	2017-02-08	1,566	—	$0	9,773	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2016-04-28	2016-04-29	2,181	—	$0	8,207	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2015-02-09	2015-02-10	2,533	—	$0	6,026	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2014-02-26	2014-02-27	7,254	$36.06	$261.6K	2,358	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2014-02-24	2014-02-25	5,000	$35.58	$177.9K	9,612	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2014-02-11	2014-02-13	3,493	—	$0	14,612	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-11-29	2013-11-29	2,643	$33.75	$89.2K	11,119	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-11-27	2013-11-29	8,000	$33.33	$266.6K	13,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-11-13	2013-11-13	10,000	$33.13	$331.3K	21,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-11-11	2013-11-13	10,000	$32.13	$321.3K	31,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-11-07	2013-11-08	1,743	$32.00	$55.8K	41,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-11-06	2013-11-08	2,257	$32.00	$72.2K	43,505	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-08-28	2013-08-28	6,000	$29.05	$174.3K	45,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-08-26	2013-08-26	4,000	$29.03	$116.1K	51,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-08-15	2013-08-19	8,000	$29.30	$234.4K	55,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-08-13	2014-04-25	2,892	$29.28	$84.7K	64,897	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2013-08-13	2013-08-14	7,108	—	$0	0	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-08-13	2013-08-14	7,108	$29.28	$208.1K	63,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2013-08-13	2013-08-14	7,108	$22.01	$156.4K	70,870	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2013-08-12	2013-08-14	298	—	$0	7,108	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2013-08-12	2013-08-14	94	—	$0	0	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-08-12	2013-08-14	392	$29.00	$11.4K	63,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2013-08-12	2013-08-14	298	$22.01	$6.6K	64,154	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2013-08-12	2013-08-14	94	$19.29	$1.8K	63,856	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-05-31	2013-05-31	12,500	$24.75	$309.4K	63,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-05-30	2013-05-31	10,000	$24.58	$245.8K	76,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-05-28	2013-05-31	5,000	$24.56	$122.8K	86,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award deriv	2013-02-28	2013-03-01	705	$22.01	$15.5K	7,406	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2013-02-28	2013-03-01	2,799	—	$0	6,701	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award deriv	2013-02-28	2013-03-01	94	$19.29	$1.8K	94	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-02-28	2013-03-01	2,799	$24.80	$69.4K	91,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2013-02-28	2013-03-01	2,799	$22.01	$61.6K	94,061	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2013-02-27	2013-03-01	500	—	$0	14,500	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2013-02-27	2013-03-01	2,000	—	$0	0	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2013-02-27	2013-03-01	5,000	—	$0	9,500	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-02-27	2013-03-01	5,000	$24.80	$124.0K	91,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2013-02-27	2013-03-01	5,000	$22.01	$110.1K	96,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-02-27	2013-03-01	500	$24.90	$12.4K	91,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2013-02-27	2013-03-01	500	$22.01	$11.0K	91,762	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2013-02-27	2013-03-01	2,000	$24.90	$49.8K	91,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2013-02-27	2013-03-01	2,000	$19.29	$38.6K	93,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2013-02-11	2014-04-25	4,027	—	$0	95,289	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2013-02-11	2013-02-13	4,027	—	$0	95,289	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2013-02-07	2013-02-11	227	—	$0	91,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2013-02-07	2013-02-13	227	—	$0	91,262	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-29	2012-08-30	2,000	—	$0	2,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-29	2012-08-30	2,000	$22.01	$44.0K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-29	2012-08-30	2,000	$20.20	$40.4K	93,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-27	2012-08-29	9,500	—	$0	4,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-27	2012-08-29	9,500	$22.81	$216.7K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-27	2012-08-29	9,500	$20.20	$191.9K	100,535	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-24	2012-08-24	8,500	—	$0	13,500	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-24	2012-08-24	8,500	$20.20	$171.7K	99,535	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-24	2012-08-24	8,500	$22.36	$190.1K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-23	2012-08-24	3,000	—	$0	22,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-23	2012-08-24	3,000	$22.27	$66.8K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-23	2012-08-24	3,000	$20.20	$60.6K	94,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-22	2012-08-23	4,000	—	$0	0	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-22	2012-08-23	4,000	$7.51	$30.0K	95,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-22	2012-08-23	4,000	$21.93	$87.7K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-21	2012-08-23	11,000	—	$0	4,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-21	2012-08-23	11,000	$22.16	$243.8K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-21	2012-08-23	11,000	$7.51	$82.6K	102,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-16	2012-08-17	3,000	—	$0	0	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-16	2012-08-17	15,000	—	$0	0	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-16	2012-08-17	18,000	$21.43	$385.7K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-16	2012-08-17	15,000	$12.16	$182.4K	109,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-16	2012-08-17	3,000	$12.86	$38.6K	94,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-14	2012-08-15	2,000	—	$0	3,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-14	2012-08-15	2,000	$12.86	$25.7K	93,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-14	2012-08-15	2,000	$12.20	$24.4K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-10	2012-08-10	8,000	—	$0	5,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-10	2012-08-10	8,000	$21.05	$168.4K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-10	2012-08-10	8,000	$12.86	$102.9K	99,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-08-09	2012-08-10	12,000	—	$0	13,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-08-09	2012-08-10	12,000	$21.10	$253.2K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-08-09	2012-08-10	12,000	$12.86	$154.3K	103,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise deriv	2012-02-29	2012-02-29	15,000	—	$0	0	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-02-29	2012-02-29	15,000	$18.99	$284.9K	91,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	M Exercise	2012-02-29	2012-02-29	15,000	$16.97	$254.5K	106,035	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-02-24	2012-02-27	10,000	$18.79	$187.9K	0	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-02-23	2012-02-24	13,000	$18.20	$236.6K	10,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-02-22	2012-02-24	7,177	$17.76	$127.5K	23,000	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-02-17	2012-02-17	400	$18.54	$7.4K	30,789	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	S Sale	2012-02-17	2012-02-17	612	$18.50	$11.3K	30,177	SEC↗
MPWR MONOLITHIC POWER SYSTEMS I	A Award	2012-02-14	2012-02-16	4,835	—	$0	91,035	SEC↗