Filing Details

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C.  20549

Under the Securities Exchange Act of 1934

(Amendment No. 13)*

(Name of Issuer)

(Title of Class of Securities)

(CUSIP Number)

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

☐  Rule 13d-1(b)

☐ Rule 13d-1(c)

ý Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes)

 

 

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	TTWFGP LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			0
		6	SHARED VOTING POWER
			92,010,554
		7	SOLE DISPOSITIVE POWER
			0
		8	SHARED DISPOSITIVE POWER
			92,010,554
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	92,010,554
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☐
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	71.1% (1)
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	OO

 

 

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	James Chao
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			181,335 (1)
		6	SHARED VOTING POWER
			92,010,554
		7	SOLE DISPOSITIVE POWER
			181,335 (1)
		8	SHARED DISPOSITIVE POWER
			92,010,554
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	92,191,889 (1)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☒
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	71.2% (1) (2)
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

 

 

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Dorothy C. Jenkins
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			61,828 (1)
		6	SHARED VOTING POWER
			92,010,554
		7	SOLE DISPOSITIVE POWER
			61,828 (1)
		8	SHARED DISPOSITIVE POWER
			92,010,554
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	92,072,382 (1)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☒
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	71.1% (1) (2)
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

 

 

 

1	NAMES OF REPORTING PERSONS
	I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
	Albert Chao
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
	(a)☒
	(b)☐
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION
	United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER
			889,437 (1)
		6	SHARED VOTING POWER
			92,010,554
		7	SOLE DISPOSITIVE POWER
			889,437 (1)
		8	SHARED DISPOSITIVE POWER
			92,010,554
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
	92,899,991 (1)
10	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
	☒
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
	71.4% (1) (2)
12	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
	IN

 

 

CUSIP No. 960413102

13G

TTWF is the holder of record of 92,010,554 shares of Common Stock of Westlake Chemical Corporation. TTWFGP serves as the General Partner of TTWF and may be deemed to share beneficial ownership of the shares of Common Stock of which TTWF is the record owner.

Two trusts held for the benefit of the members of the Chao family, including James Chao, Dorothy C. Jenkins, Albert Chao and David Chao, are the managers of TTWFGP, which is the general partner of TTWF. The limited partners of TTWF are five trusts held principally for the benefit of the members of the Chao family, including James Chao, Dorothy C. Jenkins, Albert Chao and David Chao and two corporations owned, directly or indirectly, by certain of these trusts and by other entities owned by the Chao family, including James Chao, Dorothy C. Jenkins, Albert Chao and David Chao. The Reporting Persons share voting and dispositive power with respect to the shares of which TTWF is the record owner. James Chao, Dorothy C. Jenkins, Albert Chao and David Chao disclaim beneficial ownership of the 92,010,554 shares held by TTWF except to the extent of their respective pecuniary interests therein.

James Chao is the record owner of 59,258 Restricted Shares, 37,970 Stock Options, and 18,843 RSUs, and is entitled to receive within 60 days of December 31, 2017 an additional 54,396 Stock Options and 10,868 RSUs. The vested Stock Options and RSUs of which James Chao is the record owner, along with the Stock Options and RSUs that will vest in favor of James Chao within 60 days of December 31, 2017, are convertible within 60 days of December 31, 2017, at a ratio of 1 Stock Option or 1 RSU per share of Common Stock and, together with the 59,258 Restricted Shares of which James Chao is the record owner, and the 92,010,554 shares of Common Stock of which TTWF is the record owner, add up to the number of shares listed in Item 9 of James Chao’s respective cover page. James Chao disclaims beneficial ownership of the shares of Common Stock over which Albert Chao, Dorothy C. Jenkins and David Chao have sole voting and dispositive power. James Chao also disclaims beneficial ownership over the 92,010,554 shares held by TTWF, except to the extent of his pecuniary interest therein.

Dorothy C. Jenkins is the record owner of 9,358 shares of Common Stock, 32,680 Restricted Shares, 14,750 Stock Options, and 5,040 RSUs. The vested Stock Options and RSUs of which Dorothy C. Jenkins is the record owner are convertible within 60 days of December 31, 2017, at a ratio of 1 Stock Option or 1 RSU per share of Common Stock, and together with the 32,680 Restricted Shares and 9,358 shares of Common Stock of which Dorothy C. Jenkins is the record owner, and the 92,010,554 shares of Common Stock of which TTWF is the record owner, add up to the number of shares listed in Item 9 of Dorothy C. Jenkins’ respective cover page. Dorothy C. Jenkins disclaims beneficial ownership of the shares of Common Stock over which Albert Chao, James Chao and David Chao have sole voting and dispositive power. Dorothy C. Jenkins disclaims beneficial ownership over the 92,010,554 shares held by TTWF, except to the extent of her pecuniary interest therein.

Albert Chao is the record owner of 254,387 Restricted Shares, 533,824 Stock Options, and 19,631 RSUs, and is entitled to receive within 60 days of December 31, 2017 an additional 68,010 Stock Options and 13,585 RSUs. The vested Stock Options and RSUs of which Albert Chao is the record owner, along with the Stock Options and RSUs that will vest in favor of Albert Chao within 60 days of December 31, 2017, are convertible within 60 days of December 31, 2017, at a ratio of 1 Stock Option or 1 RSU per share of Common Stock and, together with the 254,387 Restricted Shares of which Albert Chao is the record owner, and the 92,010,554 shares of Common Stock of which TTWF is the record owner, add up to the number of shares listed in Item 9 of Albert Chao’s respective cover page. Albert Chao disclaims beneficial ownership of the shares of Common Stock over which James Chao, Dorothy C. Jenkins and David Chao have sole voting and dispositive power. Albert Chao also disclaims beneficial ownership over the 92,010,554 shares held by TTWF, except to the extent of his pecuniary interest therein.

David Chao is the record owner of 206 Restricted Shares and 447 RSUs. The vested RSUs of which David Chao is the record owner are convertible within 60 days of December 31, 2017, at a ratio of 1 RSU per share of Common Stock, and together with the 206 Restricted Shares of which David Chao is the record owner, and the 92,010,554 shares of Common Stock of which TTWF is the record owner, add up to the number of shares listed in Item 9 of David Chao’s respective cover page. David Chao disclaims beneficial ownership of the shares of Common Stock over which James Chao, Dorothy C. Jenkins and Albert Chao have sole voting and dispositive power. David Chao disclaims beneficial ownership of the 92,010,554 shares held by TTWF, except to the extent of his pecuniary interest therein.

	TTWFGP LLC
	By:	/s/ Albert Chao
		Name:  Albert Chao
		Title:    Authorized Representative
	By:	/s/ James Chao
		Name:  James Chao
		Title:    Authorized Representative

 

 

	/s/ James Chao
	James Chao

 

	/s/ Albert Chao
	Albert Chao

 

 

 

Date:  February 14, 2018

 

	TTWF LP
	By:	TTWFGP LLC its General Partner
	By:	/s/ Albert Chao
		Name:  Albert Chao
		Title:    Authorized Representative
	By:	/s/ James Chao
		Name:  James Chao
		Title:    Authorized Representative