1. Corporate Officers - Y
2. Yee Yang Chiah

Insider Trading History of Yee Yang Chiah

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) of Yee Yang Chiah since 2019. This trader's CIK number is 1735531. At the time of last reporting, Yee Yang Chiah was the VP, Worldwide Sales of Power Integrations Inc. (stock ticker symbol POWI). Also see all insider trading activities at Power Integrations Inc.

Note that in the past Yee Yang Chiah also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Power Integrations Inc (POWI) by Yee Yang Chiah

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2024	POWI	0	$0	3,992	$303,201	0	$0
2023	POWI	0	$0	2,723	$243,756	0	$0
2022	POWI	0	$0	3,198	$261,150	0	$0

Yearly summary of insider trading at Neophotonics Corp (NPTN) by Yee Yang Chiah

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2021	NPTN	0	$0	0	$0	71,992	$0
2020	NPTN	0	$0	0	$0	47,330	$0
2019	NPTN	0	$0	0	$0	24,950	$0

Insider trading activities at 2 companies by Yee Yang Chiah:

1. Power Integrations Inc (POWI)

2. Neophotonics Corp (NPTN)

Table 1. Insider trading of Power Integrations Inc (POWI) by Yee Yang Chiah

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2024-06-17	POWI	Sale	1,412	73.75	104,135
2024-02-12	POWI	Sale	996	80.06	79,739
2024-02-13	POWI	Sale	731	75.23	54,994
2024-02-05	POWI	Sale	853	75.42	64,333
2023-06-15	POWI	Sale	1,381	91.43	126,263
2023-02-08	POWI	Sale	524	85.20	44,643
2023-02-03	POWI	Sale	818	89.06	72,850
2022-06-15	POWI	Sale	1,369	77.00	105,413
2022-02-08	POWI	Sale	1,829	85.15	155,737

Table 2. Insider trading of Neophotonics Corp (NPTN) by Yee Yang Chiah

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2021-04-09	NPTN	Option Ex	11,500	.00	0
2021-03-25	NPTN	Option Ex	10,542	.00	0
2021-03-22	NPTN	Option Ex	24,950	.00	0
2021-02-08	NPTN	Option Ex	10,000	.00	0
2021-01-22	NPTN	Option Ex	15,000	.00	0
2020-07-30	NPTN	Option Ex	12,667	.00	0
2020-04-13	NPTN	Option Ex	6,299	.00	0
2020-03-23	NPTN	Option Ex	24,950	.00	0
2020-01-30	NPTN	Option Ex	3,414	.00	0
2019-03-21	NPTN	Option Ex	24,950	.00	0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Yee Yang Chiah (VP, Worldwide Sales of Power Integrations Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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