Westlake Chemical Partners LP (WLKP) Insider Ownership

Historic Insider Ownership Trends

As of April 17, 2026, the three largest insider holders of WLKP are Andrew Kenner (Svp, Olefin Material Corp Pr, 185.00K shares), G Stephen Finley (Director, 31.93K shares), Randy Woelfel (Director, 23.91K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Andrew Kenner Svp, Olefin Material Corp Pr 185,000 0 14 Aug, 2024
G Stephen Finley - 31,930 0 08 Aug, 2025
Randy Woelfel - 23,913 0 08 Aug, 2025
Angela A Minas - 19,427 0 12 Aug, 2022
Jean-Marc Gilson President And Ceo 11,803 0 29 Aug, 2025
Lisa A. Friel - 7,163 0 08 Aug, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
27 Aug, 2025 Jean-Marc Gilson Common Units A 95 $21.25 11,803 D P
07 Aug, 2025 Randy Woelfel Common Units A 4,882 - 28,795 D M
07 Aug, 2025 Lisa A. Friel Common Units A 4,882 - 9,604 D M
07 Aug, 2025 G Stephen Finley Common Units A 4,882 - 31,930 D M
07 Aug, 2025 Lisa A. Friel Common Units D 2,441 $21.96 7,163 D D
06 Aug, 2025 G Stephen Finley Phantom Units A 5,005 $0.00 0 D A
07 Aug, 2025 Randy Woelfel Common Units D 4,882 $21.96 23,913 D D
06 Aug, 2025 Lisa A. Friel Phantom Units A 5,005 $0.00 0 D A
06 Aug, 2025 Randy Woelfel Phantom Units A 5,005 $0.00 0 D A
07 Aug, 2025 G Stephen Finley Phantom Units D 4,882 $0.00 0 D M
07 Aug, 2025 Lisa A. Friel Phantom Units D 4,882 $0.00 0 D M
07 Aug, 2025 Randy Woelfel Phantom Units D 4,882 $0.00 0 D M
29 May, 2025 James Chao Common Units D 3,700 $22.10 0 D S
27 May, 2025 James Chao Common Units D 5,608 $22.17 8,300 D S
28 May, 2025 James Chao Common Units D 4,600 $22.10 3,700 D S
29 Aug, 2024 Jean-Marc Gilson Common Units A 1,000 $22.83 3,927 D P
26 Aug, 2024 Jean-Marc Gilson Common Units A 500 $22.85 1,427 D P
27 Aug, 2024 Jean-Marc Gilson Common Units A 1,000 $22.95 2,427 D P
28 Aug, 2024 Jean-Marc Gilson Common Units A 500 $22.94 2,927 D P
22 Aug, 2024 Jean-Marc Gilson Common Units A 427 $22.60 427 D P