Karen A. Twitchell

Director, Kraton Corp.

Companies

Calumet LubricantsBoard member Nov 12, 2024 to now¹
Calumet Specialty Products Partners, L.P.Board member Aug 8, 2022 to Nov 9, 2023²
TRECORA RESOURCESBoard member May 21, 2015 to Jun 28, 2022³
Kraton CorpBoard member Dec 16, 2009 to Mar 15, 2022⁴

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Calumet Lubricants CLMT13,389 shares⁵$748.8K at $55.93Jul 9, 2026
TRECORA RESOURCES0 shares⁶Jun 24, 2022
Kraton Corp0 shares⁷Mar 15, 2022

As of each latest filing. The line shows shares held over time.

Recent filings

Jul 9, 2026Exercised options 7,067 shares of Calumet Lubricants⁵
Dec 4, 2025Exercised options 2,526 shares of Calumet Lubricants⁸
Jun 24, 2025Exercised options 3,796 shares of Calumet Lubricants⁹
Jun 24, 2022U 51,942 shares at $9.81 of TRECORA RESOURCES⁶
May 14, 2022Exercised options 13,011 shares at $9.57 of TRECORA RESOURCES¹⁰
Mar 15, 2022Returned to company 38,767 shares at $46.50 of Kraton Corp⁷

Sources

The numbers on this page point here. Each one links to the record it came from.

1
SEC EDGARCalumet Lubricants, Board member
2
SEC EDGARCalumet Specialty Products Partners, L.P., Board member
3
SEC EDGARTRECORA RESOURCES, Board member
4
SEC EDGARKraton Corp, Board member
5
SEC EDGARCalumet Lubricants shares after the filing of Jul 9, 2026
6
SEC EDGARTRECORA RESOURCES shares after the filing of Jun 24, 2022
7
SEC EDGARKraton Corp shares after the filing of Mar 15, 2022
8
SEC EDGARForm 4 filed Dec 5, 2025
9
SEC EDGARForm 4 filed Oct 3, 2025
10
SEC EDGARForm 4 filed May 17, 2022