Jean Marc Gilson is President and CEO of Westlake Chemical Partners LP. Currently has a direct ownership of 11,803 shares of WLKP, which is worth approximately $255,534. The most recent transaction as insider was on Aug 27, 2025, when has been sold 95 shares (Common Units) at a price of $21.25 per share, resulting in proceeds of $2,018. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 11.8K
161.82% 3M change
200.56% 12M change
Total Value Held $255,534

Jean-Marc Gilson Transaction History

Date Transaction Value Shares Traded Shares Held Form
Aug 27 2025
BUY
Open market or private purchase
$2,018 $21.25 p/Share
95 Added 0.8%
11,803 Common Units
Aug 21 2025
BUY
Open market or private purchase
$27,525 $22.02 p/Share
1,250 Added 9.65%
11,708 Common Units
Aug 20 2025
BUY
Open market or private purchase
$27,325 $21.86 p/Share
1,250 Added 10.68%
10,458 Common Units
Aug 15 2025
BUY
Open market or private purchase
$102,648 $21.84 p/Share
4,700 Added 33.79%
9,208 Common Units
May 29 2025
BUY
Open market or private purchase
$2,064 $22.2 p/Share
93 Added 2.02%
4,508 Common Units
Feb 25 2025
BUY
Open market or private purchase
$2,029 $24.75 p/Share
82 Added 1.82%
4,414 Common Units
Nov 27 2024
BUY
Open market or private purchase
$1,979 $23.57 p/Share
84 Added 1.9%
4,331 Common Units
Aug 29 2024
BUY
Open market or private purchase
$22,830 $22.83 p/Share
1,000 Added 20.3%
3,927 Common Units
Aug 28 2024
BUY
Open market or private purchase
$11,470 $22.94 p/Share
500 Added 14.59%
2,927 Common Units
Aug 27 2024
BUY
Open market or private purchase
$22,950 $22.95 p/Share
1,000 Added 29.18%
2,427 Common Units
Aug 26 2024
BUY
Open market or private purchase
$11,420 $22.84 p/Share
500 Added 25.95%
1,427 Common Units
Aug 23 2024
BUY
Open market or private purchase
$11,440 $22.88 p/Share
500 Added 35.04%
927 Common Units
Aug 22 2024
BUY
Open market or private purchase
$9,650 $22.6 p/Share
427 Added 50.0%
427 Common Units

Also insider at

WLK
WESTLAKE CORP Basic Materials
JG

Jean Marc Gilson

President and CEO
Houston, TX

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