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Westlake Chemical Partners LP

WLKP Clue Score63
United States Fiscal year ends December CIK 0001604665
21.19
-1.03%
Close, 9 Oct 2026 · USD

Price, with every insider trade on it

Closing prices, 12 months · point at a dot for who traded, or at the line for the close
21.19 on 9 Oct 2026
24 21 18 Oct 2025 Apr 2026 Oct 2026 13 Oct 2025 $20.69 14 Oct 2025 $20.65 15 Oct 2025 $20.63 16 Oct 2025 $20.35 17 Oct 2025 $19.95 20 Oct 2025 $19.87 21 Oct 2025 $19.95 22 Oct 2025 $20.06 23 Oct 2025 $19.33 24 Oct 2025 $19.87 27 Oct 2025 $19.63 28 Oct 2025 $19.31 29 Oct 2025 $18.95 30 Oct 2025 $18.95 31 Oct 2025 $18.86 3 Nov 2025 $18.67 4 Nov 2025 $18.50 5 Nov 2025 $18.66 6 Nov 2025 $18.69 7 Nov 2025 $18.69 10 Nov 2025 $18.38 11 Nov 2025 $18.15 12 Nov 2025 $19.05 13 Nov 2025 $18.78 14 Nov 2025 $18.54 17 Nov 2025 $17.92 18 Nov 2025 $17.90 19 Nov 2025 $17.91 20 Nov 2025 $17.87 21 Nov 2025 $18.20 24 Nov 2025 $18.45 25 Nov 2025 $18.72 26 Nov 2025 $19.06 28 Nov 2025 $18.96 1 Dec 2025 $18.82 2 Dec 2025 $18.96 3 Dec 2025 $19.00 4 Dec 2025 $18.93 5 Dec 2025 $19.16 8 Dec 2025 $18.97 9 Dec 2025 $19.02 10 Dec 2025 $19.32 11 Dec 2025 $19.73 12 Dec 2025 $19.76 15 Dec 2025 $19.21 16 Dec 2025 $19.25 17 Dec 2025 $19.21 18 Dec 2025 $19.39 19 Dec 2025 $19.10 22 Dec 2025 $19.10 23 Dec 2025 $19.05 24 Dec 2025 $18.88 26 Dec 2025 $18.66 29 Dec 2025 $18.50 30 Dec 2025 $18.62 31 Dec 2025 $19.00 2 Jan 2026 $18.95 5 Jan 2026 $19.19 6 Jan 2026 $19.88 7 Jan 2026 $19.74 8 Jan 2026 $20.11 9 Jan 2026 $20.30 12 Jan 2026 $20.25 13 Jan 2026 $20.33 14 Jan 2026 $20.91 15 Jan 2026 $20.94 16 Jan 2026 $20.85 20 Jan 2026 $20.83 21 Jan 2026 $21.21 22 Jan 2026 $21.31 23 Jan 2026 $21.09 26 Jan 2026 $21.11 27 Jan 2026 $21.18 28 Jan 2026 $21.41 29 Jan 2026 $21.68 30 Jan 2026 $21.46 2 Feb 2026 $21.93 3 Feb 2026 $21.86 4 Feb 2026 $21.80 5 Feb 2026 $21.61 6 Feb 2026 $20.68 9 Feb 2026 $21.22 10 Feb 2026 $21.18 11 Feb 2026 $21.50 12 Feb 2026 $21.15 13 Feb 2026 $21.32 17 Feb 2026 $21.19 18 Feb 2026 $21.34 19 Feb 2026 $20.94 20 Feb 2026 $21.21 23 Feb 2026 $21.24 24 Feb 2026 $22.08 25 Feb 2026 $22.01 26 Feb 2026 $21.86 27 Feb 2026 $22.02 2 Mar 2026 $22.19 3 Mar 2026 $22.01 4 Mar 2026 $22.15 5 Mar 2026 $22.73 6 Mar 2026 $22.10 9 Mar 2026 $21.70 10 Mar 2026 $22.12 11 Mar 2026 $22.21 12 Mar 2026 $22.73 13 Mar 2026 $22.45 16 Mar 2026 $22.03 17 Mar 2026 $22.33 18 Mar 2026 $22.36 19 Mar 2026 $22.45 20 Mar 2026 $22.22 23 Mar 2026 $22.05 24 Mar 2026 $22.30 25 Mar 2026 $22.40 26 Mar 2026 $22.18 27 Mar 2026 $21.71 30 Mar 2026 $21.74 31 Mar 2026 $22.09 1 Apr 2026 $22.39 2 Apr 2026 $22.13 6 Apr 2026 $22.10 7 Apr 2026 $22.40 8 Apr 2026 $22.57 9 Apr 2026 $22.68 10 Apr 2026 $22.66 13 Apr 2026 $22.65 14 Apr 2026 $22.60 15 Apr 2026 $22.30 16 Apr 2026 $22.33 17 Apr 2026 $22.39 20 Apr 2026 $22.34 21 Apr 2026 $22.33 22 Apr 2026 $22.46 23 Apr 2026 $22.46 24 Apr 2026 $22.56 27 Apr 2026 $22.53 28 Apr 2026 $22.82 29 Apr 2026 $22.86 30 Apr 2026 $23.05 1 May 2026 $22.99 4 May 2026 $22.67 5 May 2026 $22.57 6 May 2026 $23.45 7 May 2026 $23.20 8 May 2026 $23.28 11 May 2026 $23.72 12 May 2026 $23.54 13 May 2026 $23.57 14 May 2026 $23.00 15 May 2026 $22.65 18 May 2026 $22.71 19 May 2026 $22.47 20 May 2026 $22.38 21 May 2026 $22.56 22 May 2026 $22.50 26 May 2026 $22.71 27 May 2026 $22.75 28 May 2026 $22.77 29 May 2026 $22.93 1 Jun 2026 $23.18 2 Jun 2026 $23.27 3 Jun 2026 $23.15 4 Jun 2026 $23.01 5 Jun 2026 $23.14 8 Jun 2026 $23.32 9 Jun 2026 $23.21 10 Jun 2026 $23.28 11 Jun 2026 $23.29 12 Jun 2026 $23.33 15 Jun 2026 $23.25 16 Jun 2026 $23.32 17 Jun 2026 $22.77 18 Jun 2026 $22.60 22 Jun 2026 $22.57 23 Jun 2026 $22.69 24 Jun 2026 $22.65 25 Jun 2026 $22.53 26 Jun 2026 $22.66 29 Jun 2026 $22.53 30 Jun 2026 $22.26 1 Jul 2026 $22.29 2 Jul 2026 $22.36 6 Jul 2026 $22.10 7 Jul 2026 $22.29 8 Jul 2026 $22.29 9 Jul 2026 $22.15 10 Jul 2026 $21.96 13 Jul 2026 $22.09 14 Jul 2026 $22.04 15 Jul 2026 $21.90 16 Jul 2026 $21.79 17 Jul 2026 $22.01 20 Jul 2026 $22.00 21 Jul 2026 $22.03 22 Jul 2026 $22.04 23 Jul 2026 $22.01 24 Jul 2026 $22.05 27 Jul 2026 $21.85 28 Jul 2026 $22.03 29 Jul 2026 $21.90 30 Jul 2026 $21.73 31 Jul 2026 $21.64 3 Aug 2026 $21.27 4 Aug 2026 $21.30 5 Aug 2026 $21.27 6 Aug 2026 $21.35 7 Aug 2026 $21.66 10 Aug 2026 $21.68 11 Aug 2026 $21.57 12 Aug 2026 $22.06 13 Aug 2026 $21.67 14 Aug 2026 $21.70 17 Aug 2026 $21.66 18 Aug 2026 $21.70 19 Aug 2026 $21.72 20 Aug 2026 $21.53 21 Aug 2026 $21.56 24 Aug 2026 $21.48 25 Aug 2026 $21.62 26 Aug 2026 $21.69 27 Aug 2026 $21.73 28 Aug 2026 $21.63 31 Aug 2026 $21.64 1 Sep 2026 $21.73 2 Sep 2026 $22.11 3 Sep 2026 $21.93 4 Sep 2026 $21.88 8 Sep 2026 $21.74 9 Sep 2026 $21.67 10 Sep 2026 $21.47 11 Sep 2026 $21.52 14 Sep 2026 $21.48 15 Sep 2026 $21.48 16 Sep 2026 $21.28 17 Sep 2026 $21.33 18 Sep 2026 $21.22 21 Sep 2026 $21.29 22 Sep 2026 $21.38 23 Sep 2026 $21.35 24 Sep 2026 $21.51 25 Sep 2026 $21.60 28 Sep 2026 $21.55 29 Sep 2026 $21.43 30 Sep 2026 $21.20 1 Oct 2026 $21.26 2 Oct 2026 $21.27 5 Oct 2026 $21.42 6 Oct 2026 $21.59 7 Oct 2026 $21.38 8 Oct 2026 $21.41 9 Oct 2026 $21.19
0 buys0 sales at will0 planned sales

Key numbers

Fiscal year 2025, ended 31 Dec 2025, as filed
Revenue
$1.17B
Net income
$48.70M
Free cash flow
$201.65M
Gross margin
29.8%
Operating margin
27.4%
Net margin
4.2%
Revenue growth, 1 yr
2.7%
Revenue growth, 5 yr
71.6% a year

Revenue and net income

Fiscal years, as filed with the SEC · point at a year for the detail
78M 66M FY20 Fiscal year 2020 Revenue $78.43M Net income $66.17M Margin 84.4% 188M 83M FY21 Fiscal year 2021 Revenue $188.27M Net income $82.55M Margin 43.8% · growth +140.1% 250M 64M FY22 Fiscal year 2022 Revenue $250.24M Net income $64.17M Margin 25.6% · growth +32.9% 1.2B 54M FY23 Fiscal year 2023 Revenue $1.19B Net income $54.28M Margin 4.6% · growth +375.9% 1.1B 62M FY24 Fiscal year 2024 Revenue $1.14B Net income $62.39M Margin 5.5% · growth -4.6% 1.2B 49M FY25 Fiscal year 2025 Revenue $1.17B Net income $48.70M Margin 4.2% · growth +2.7%
RevenueNet incomeLoss

Latest insider transactions

From Form 4, most recent first
All of them →
DateInsiderTypeValueOf own stake
27 Aug 2025 Gilson Jean-Marc
President and CEO
Bought $2.02K 0.8%
21 Aug 2025 Gilson Jean-Marc
President and CEO
Bought $27.53K 12.0%
20 Aug 2025 Gilson Jean-Marc
President and CEO
Bought $27.33K 13.6%
15 Aug 2025 Gilson Jean-Marc
President and CEO
Bought $102.65K 104%
29 May 2025 Chao James
Senior Chairman
Sold at will $81.77K 100%
29 May 2025 Gilson Jean-Marc
President and CEO
Bought $2.08K 2.1%