How are Sanfair Asia Investments and Chi-Duan Investment related to Wu’s Himax (HIMX) holdings?

Sanfair Asia Investments Ltd. and Chi-Duan Investment Co. Ltd. are described as investment companies controlled by Biing-Seng Wu . The Form 3 reports large blocks of Himax ordinary shares held through these entities as part of his indirect ownership.

Himax Technologies (HIMX) director Wu discloses large shareholdings on Form 3

Q: What does the Himax (HIMX) Form 3 filing by Biing-Seng Wu show?

The Form 3 shows director Biing-Seng Wu ’s existing ownership in Himax Technologies, Inc. . It reports both his direct ordinary share holdings and large indirect positions held through controlled investment companies, without indicating any new share purchases or sales.

Q: How many Himax (HIMX) shares does Biing-Seng Wu hold directly?

Biing-Seng Wu directly holds 315,322 ordinary shares of Himax Technologies, Inc. This direct position reflects shares registered in his own name, separate from the larger indirect holdings reported through affiliated investment entities he controls.

Q: What indirect Himax (HIMX) holdings are reported for Biing-Seng Wu?

The filing lists 56,549,308 ordinary shares held through Sanfair Asia Investments Ltd. and 20,039,838 ordinary shares held through Chi-Duan Investment Co. Ltd., both described as investment companies controlled by Biing-Seng Wu, representing substantial indirect ownership stakes.

Q: Who is the reporting person in the Himax (HIMX) Form 3 filing?

The reporting person is Biing-Seng Wu , identified as a director of Himax Technologies, Inc. The filing clarifies his role and details both directly held shares and indirect holdings through controlled investment companies, establishing his overall ownership profile in the company.

Filing Impact

(Neutral)

Filing Sentiment

(Neutral)

Form Type

Rhea-AI Filing Summary

Himax Technologies, Inc. director Biing-Seng Wu filed an initial ownership report on Form 3. The filing shows he holds 315,322 ordinary shares directly. It also lists indirect holdings of 56,549,308 ordinary shares through Sanfair Asia Investments Ltd. and 20,039,838 ordinary shares through Chi-Duan Investment Co. Ltd., both described as investment companies he controls. The Form 3 records ownership positions only and does not report new share purchases or sales.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Wu Biing-Seng

Role Director

Type	Security	Shares	Price	Value
holding	Ordinary Shares, par value US$0.3 per Share	--	--	--
holding	Ordinary Shares, par value US$0.3 per Share	--	--	--
holding	Ordinary Shares, par value US$0.3 per Share	--	--	--

Holdings After Transaction: Ordinary Shares, par value US$0.3 per Share — 315,322 shares (Direct); Ordinary Shares, par value US$0.3 per Share — 56,549,308 shares (Indirect, Held through Sanfair Asia Investments Ltd., an investment company controlled by Biing-Seng Wu.)

Footnotes (1)

Understanding Insider Trading Forms →

03/18/2026 - 06:19 AM

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Wu Biing-Seng

(Last)

(First)

(Middle)

NO. 26, ZILIAN ROAD, XINSHI DISTRICT

(Street)

TAINAN CITY

744092

(City)

(State)

(Zip)

TAIWAN, PROVINCE OF CHINA

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
Himax Technologies, Inc. [ HIMX ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director	10% Owner
	Officer (give title below)	Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Ordinary Shares, par value US$0.3 per Share	315,322	D
Ordinary Shares, par value US$0.3 per Share	56,549,308	I	Held through Sanfair Asia Investments Ltd., an investment company controlled by Biing-Seng Wu.
Ordinary Shares, par value US$0.3 per Share	20,039,838	I	Held through Chi-Duan Investment Co. Ltd., an investment company controlled by Biing-Seng Wu.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:

	/s/ Biing-Seng Wu	03/18/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

Source: View Original Filing on SEC EDGAR

FAQ

What does the Himax (HIMX) Form 3 filing by Biing-Seng Wu show?

The Form 3 shows director Biing-Seng Wu’s existing ownership in Himax Technologies, Inc.. It reports both his direct ordinary share holdings and large indirect positions held through controlled investment companies, without indicating any new share purchases or sales.

How many Himax (HIMX) shares does Biing-Seng Wu hold directly?

Biing-Seng Wu directly holds 315,322 ordinary shares of Himax Technologies, Inc. This direct position reflects shares registered in his own name, separate from the larger indirect holdings reported through affiliated investment entities he controls.

What indirect Himax (HIMX) holdings are reported for Biing-Seng Wu?

The filing lists 56,549,308 ordinary shares held through Sanfair Asia Investments Ltd. and 20,039,838 ordinary shares held through Chi-Duan Investment Co. Ltd., both described as investment companies controlled by Biing-Seng Wu, representing substantial indirect ownership stakes.

Does the Himax (HIMX) Form 3 report any insider buying or selling?

No, the Form 3 does not report insider buying or selling. It functions as an initial ownership statement, disclosing Biing-Seng Wu’s direct and indirect ordinary share positions in Himax Technologies, Inc. as of the filing date without recording new transactions.

Who is the reporting person in the Himax (HIMX) Form 3 filing?

The reporting person is Biing-Seng Wu, identified as a director of Himax Technologies, Inc. The filing clarifies his role and details both directly held shares and indirect holdings through controlled investment companies, establishing his overall ownership profile in the company.