Test Research Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top 25 shareholders own 53.29% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
23.4%	Chieh-Yuan Chen	55,227,289	NT$8.1b	0%	no data
6.72%	Dexin Investment Co., Ltd.	15,885,174	NT$2.3b	0%	no data
4.53%	Der Sheng Investment Co., Ltd.	10,703,370	NT$1.6b	0%	no data
3.18%	FMR LLC	7,513,000	NT$1.1b	0%	no data
3.15%	The Vanguard Group, Inc.	7,436,534	NT$1.1b	-0.8%	no data
1.82%	Nan Shan Life Insurance Co Ltd, Asset Management Arm	4,304,000	NT$628.4m	0%	0.26%
1.25%	Chiang Huai Lin	2,946,923	NT$430.2m	0%	no data
1.23%	Dimensional Fund Advisors LP	2,899,390	NT$423.3m	0%	no data
1.19%	C Sun Mfg Ltd.	2,813,000	NT$410.7m	0%	no data
1.19%	Norges Bank Investment Management	2,806,938	NT$409.8m	0%	no data
1.16%	Der Hong Investment Co., Ltd	2,738,939	NT$399.9m	0%	no data
0.95%	BlackRock, Inc.	2,248,400	NT$328.3m	-0.09%	no data
0.69%	Mellon Investments Corporation	1,626,376	NT$237.5m	-3.35%	0.01%
0.49%	Ming-Chuan Tsai	1,166,000	NT$170.2m	0%	no data
0.42%	Value Partners Hong Kong Limited	1,000,000	NT$146.0m	0%	0.17%
0.39%	Fuh Hwa Securities Investment Trust Co., Ltd.	927,659	NT$135.4m	0%	0.04%
0.34%	Fubon Asset Management Co., Ltd.	792,448	NT$115.7m	0%	0.05%
0.24%	Goldman Sachs Asset Management, L.P.	574,000	NT$83.8m	-22.4%	no data
0.2%	Chin-Lung Chen	477,957	NT$69.8m	0%	no data
0.2%	AllianceBernstein L.P.	462,339	NT$67.5m	-0.55%	no data
0.17%	Union Asset Management Holding AG	406,314	NT$59.3m	0%	no data
0.14%	State Street Global Advisors, Inc.	335,000	NT$48.9m	1.82%	no data
0.11%	Pacific Life Fund Advisors LLC	249,437	NT$36.4m	0%	0.01%
0.077%	Yow-Shiuan Fu	182,000	NT$26.6m	0%	no data
0.071%	National Bank Trust Inc., Asset Management Arm	167,000	NT$24.4m	0%	0.02%