Bell Derek

Insider CIK 1182407 · POWI VP of Engineering

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
POWI POWER INTEGRATIONS INC	M Exercise deriv	2013-05-16	2013-05-17	2,000	—	$0	3,784	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-05-16	2013-05-17	2,000	$44.90	$89.8K	26,752	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2013-05-16	2013-05-17	2,000	$21.14	$42.3K	28,752	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-05-09	2013-05-10	573	$42.53	$24.4K	26,752	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-05-07	2013-05-08	572	$42.29	$24.2K	27,325	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-05-06	2013-05-08	577	$42.29	$24.4K	27,897	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2013-05-03	2013-05-07	1,716	—	$0	5,784	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-05-03	2013-05-07	1,716	$43.90	$75.3K	28,474	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2013-05-03	2013-05-07	1,716	$21.14	$36.3K	30,190	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2013-03-25	2013-03-27	284	—	$0	7,500	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-03-25	2013-03-27	284	$43.90	$12.5K	28,474	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2013-03-25	2013-03-27	284	$21.14	$6.0K	28,758	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-02-11	2013-02-13	128	$42.71	$5.5K	28,474	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-02-08	2013-02-08	1,257	$44.07	$55.4K	28,602	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2013-02-07	2013-02-08	5,550	—	$0	7,784	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2013-02-07	2013-02-08	5,550	$45.02	$249.9K	29,859	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2013-02-07	2013-02-08	5,550	$21.14	$117.3K	35,409	SEC↗
POWI POWER INTEGRATIONS INC	A Award	2013-02-04	2013-02-06	3,424	—	$0	29,859	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-08-06	2012-08-08	8,000	—	$0	26,104	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-08-06	2012-08-08	8,000	$36.90	$295.2K	25,982	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-08-06	2012-08-08	8,000	$26.75	$214.0K	33,982	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-07-05	2012-07-09	5,896	—	$0	34,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-07-05	2012-07-09	2,104	—	$0	0	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-07-05	2012-07-09	5,896	$26.75	$157.7K	31,615	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-07-05	2012-07-09	2,104	$25.25	$53.1K	27,823	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-07-05	2012-07-09	2,104	$38.49	$81.0K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-07-05	2012-07-09	5,896	$38.90	$229.4K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-06-28	2012-06-29	1,000	—	$0	2,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-06-28	2012-06-29	1,000	$25.25	$25.3K	26,719	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-06-28	2012-06-29	1,000	$36.94	$36.9K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-06-21	2012-06-22	3,000	—	$0	3,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-06-21	2012-06-22	3,000	$25.25	$75.8K	28,719	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-06-21	2012-06-22	3,000	$40.18	$120.5K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-06-19	2012-06-21	3,000	—	$0	6,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-06-19	2012-06-21	3,000	$25.25	$75.8K	28,719	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-06-19	2012-06-21	3,000	$40.90	$122.7K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-06-15	2012-06-19	2,000	—	$0	9,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-06-15	2012-06-19	2,000	$25.25	$50.5K	27,719	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-06-15	2012-06-19	2,000	$38.90	$77.8K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-06-14	2012-06-15	1,000	—	$0	11,104	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-06-14	2012-06-15	1,000	$38.24	$38.2K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-06-14	2012-06-15	1,000	$25.25	$25.3K	26,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-06-07	2012-06-07	6,000	—	$0	12,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-06-07	2012-06-07	6,000	$25.25	$151.5K	31,719	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-06-07	2012-06-07	6,000	$41.00	$246.0K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-31	2012-06-01	6,000	—	$0	18,104	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-31	2012-06-01	6,000	$40.52	$243.1K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-31	2012-06-01	6,000	$25.25	$151.5K	31,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-29	2012-05-30	5,000	—	$0	24,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-29	2012-05-30	5,000	$25.25	$126.3K	30,719	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-29	2012-05-30	5,000	$41.43	$207.2K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-24	2012-05-29	1,000	—	$0	29,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-24	2012-05-29	1,000	$25.25	$25.3K	26,719	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-24	2012-05-29	1,000	$41.86	$41.9K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-21	2012-05-23	4,896	—	$0	30,104	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-21	2012-05-23	10,104	—	$0	13,334	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-21	2012-05-23	4,896	$25.25	$123.6K	30,615	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-21	2012-05-23	10,104	$41.35	$417.8K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-21	2012-05-23	10,104	$21.14	$213.6K	35,823	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-21	2012-05-23	4,896	$41.80	$204.7K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-14	2012-05-15	16,000	—	$0	23,438	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-14	2012-05-15	16,000	$41.82	$669.1K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-14	2012-05-15	16,000	$21.14	$338.2K	41,719	SEC↗
POWI POWER INTEGRATIONS INC	A Award deriv	2012-05-08	2012-05-10	9,496	—	$0	9,496	SEC↗
POWI POWER INTEGRATIONS INC	A Award deriv	2012-05-08	2012-05-10	2,504	—	$0	2,504	SEC↗
POWI POWER INTEGRATIONS INC	A Award	2012-05-08	2012-05-10	6,000	—	$0	26,284	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-08	2012-05-10	565	$41.64	$23.5K	25,719	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-07	2012-05-09	15,438	—	$0	0	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-07	2012-05-09	562	—	$0	39,438	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-07	2012-05-09	15,438	$41.65	$643.0K	20,284	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-07	2012-05-09	562	$21.14	$11.9K	20,846	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-07	2012-05-09	562	$42.18	$23.7K	20,284	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-07	2012-05-09	15,438	$17.18	$265.2K	35,722	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-04	2012-05-08	15,000	—	$0	15,438	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-04	2012-05-04	485	$42.57	$20.6K	20,284	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-04	2012-05-08	15,000	$38.90	$583.5K	20,284	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-04	2012-05-08	15,000	$17.18	$257.7K	35,284	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-05-03	2012-05-04	1,000	—	$0	30,438	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-05-03	2012-05-04	1,000	$17.18	$17.2K	21,769	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-05-03	2012-05-04	1,000	$37.99	$38.0K	20,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-04-26	2012-04-27	1,000	—	$0	31,438	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-04-26	2012-04-27	1,000	$37.19	$37.2K	20,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-04-26	2012-04-27	1,000	$17.18	$17.2K	21,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-04-19	2012-04-20	1,000	—	$0	32,438	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-04-19	2012-04-20	1,000	$37.01	$37.0K	20,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-04-19	2012-04-20	1,000	$17.18	$17.2K	21,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-04-12	2012-04-13	2,000	—	$0	33,438	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-04-12	2012-04-13	2,000	$36.91	$73.8K	20,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-04-12	2012-04-13	2,000	$17.18	$34.4K	22,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-03-29	2012-03-29	1,000	—	$0	35,438	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-03-29	2012-03-29	1,000	$37.19	$37.2K	20,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-03-29	2012-03-29	1,000	$17.18	$17.2K	21,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-03-22	2012-03-23	1,000	—	$0	36,438	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-03-22	2012-03-23	1,000	$17.18	$17.2K	21,769	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-03-22	2012-03-23	1,000	$36.95	$37.0K	20,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-03-15	2012-03-19	1,000	—	$0	37,438	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-03-15	2012-03-19	1,000	$17.18	$17.2K	21,769	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-03-15	2012-03-19	1,000	$37.73	$37.7K	20,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-03-08	2012-03-09	1,000	—	$0	38,438	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-03-08	2012-03-09	1,000	$37.15	$37.1K	20,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-03-08	2012-03-09	1,000	$17.18	$17.2K	21,769	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise deriv	2012-03-01	2012-03-02	1,000	—	$0	39,438	SEC↗
POWI POWER INTEGRATIONS INC	M Exercise	2012-03-01	2012-03-02	1,000	$17.18	$17.2K	21,769	SEC↗
POWI POWER INTEGRATIONS INC	S Sale	2012-03-01	2012-03-02	1,000	$37.33	$37.3K	20,769	SEC↗