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Westlake Chemical Partners LP

WLKP Net buying

CIK 0001604665 #2783 in the set updated 17 Sep 2026

Bought (120 mo)

$38.22M

out of their own pocket, the only kind of buying there is

Sold (120 mo)

$1.26M

$0.00 on a plan · $0.00 straight out of an exercise

Sold at will

$1.26M

6 of 6 sales

Net

+$36.96M

+$36.96M against sales at will

By person

16 insiders · 98 transactions

Insider

Role

Bought

Sold

Net

Holding

Worth

Change

TTWFGP LLC entity

10% owner

$30.00M (1)

—

+$30.00M

15,524,099

$329.89M

+9.9%

Kenner Andrew

SVP, Olefin Material & Corp Pr

$3.71M (26)

—

+$3.71M

185,000

$3.93M

+740.9%

Chao Albert

President & CEO

$2.73M (27)

—

+$2.73M

28,438,170

$604.31M

+0.5%

Chao James

Senior Chairman

$415.55K (2)

$1.14M (5)

−$728.91K

14,185,703

$301.45M

−0.3%

Lumpkins David

Director

$309.17K (4)

—

+$309.17K

44,518

$946.01K

+100.0%

Gilson Jean-Marc

President and CEO

$255.42K (13)

—

+$255.42K

11,803

$250.82K

+3,589%

Minas Angela A

Director

$218.75K (2)

—

+$218.75K

32,809

$697.19K

+378.0%

Teel Lawrence E.

SVP, Olefins

$208.56K (5)

—

+$208.56K

12,800

$272.00K

+412.0%

WOELFEL RANDY

Director

$165.97K (6)

—

+$165.97K

34,913

$741.90K

+217.4%

Mangieri George J

VP & Chief Accounting Officer

—

$114.65K (1)

−$114.65K

$0.00

−100.0%

FINLEY G STEPHEN

Director

$93.87K (1)

—

+$93.87K

36,935

$784.87K

—

Bender Mark Steven

SVP, CFO

$77.52K (3)

—

+$77.52K

14,000

$297.50K

+40.0%

Ederington L. Benjamin

VP, General Counsel

$29.84K (2)

—

+$29.84K

12,000

$255.00K

+20.0%

WPT LLC entity

10% owner

—

14,122,230

$300.10M

+883.4%

LUKENS MAX L

Director

—

125,000

$2.66M

0.0%

Friel Lisa A.

Director

—

9,666

$205.40K

—

No percentages here. These insiders hold more than one class of share between them, and the share count on file covers one of them rather than all. Dividing the two would compare different things.

Individual transactions

Nothing of that kind in this period.

What was left out

Form 4 filings counted 125

Amendments (4/A) skipped 2

Filings about a different issuer 0

Unreadable filings 0

Joint filings 1

Sales on a Rule 10b5-1 plan 0

Sales straight out of an exercise 0

Sales at will 6

Transactions with no price 0

Shares from compensation/vesting 12,899,785

Sales filed before the plan box existed 3

History held since 17 Nov 2016