Twitchell Karen A.

Director at KMG CHEMICALS INC · on record since Mar 12, 2010
Director at Kraton Corp · on record since Dec 16, 2009
Director at KERR MCGEE CORP /DE · on record since Aug 30, 2012
Director at Calumet, Inc. /DE · on record since Jul 13, 2026
Director at Calumet Specialty Products Partners, L.P. · on record since Jun 4, 2026
Director at TRECORA RESOURCES · on record since May 21, 2015

Insider trading activity of Twitchell Karen A.

Transactions on record: 83; since Feb 1, 2010

Open-market buys: 0

Open-market sells: 2; $406.3K

Companies traded: 6; last filing Jul 13, 2026

Figures computed from official regulatory filings — .

Companies where Twitchell Karen A. has traded

Calumet, Inc. /DE10 tx · Jul 13, 2026
Calumet Specialty Products Partners, L.P.2 tx · Nov 9, 2023
TRECORA RESOURCES18 tx · $847.4K · Jun 28, 2022
Kraton Corp14 tx · $2.2M · Mar 15, 2022
KERR MCGEE CORP /DE30 tx · $697.6K · Nov 15, 2018
KMG CHEMICALS INC9 tx · $108.6K · May 25, 2012

Track record of Twitchell Karen A.

Insufficient history for a statistical track record (fewer than 5 open-market buys).

Transaction history of Twitchell Karen A.

Co-insiders of Twitchell Karen A.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Calumet, Inc. /DEListing unverified	Jul 13, 2026	Exercise	7,067	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Jul 13, 2026	ExerciseD (derivative)	-7,067	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Jun 4, 2026	AwardD (derivative)	3,461	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Dec 5, 2025	Exercise	2,526	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Dec 5, 2025	ExerciseD (derivative)	-2,526	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Oct 3, 2025	ExerciseD (derivative)	-3,796	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Oct 3, 2025	Exercise	3,796	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Jun 13, 2025	AwardD (derivative)	7,067	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Jun 11, 2025	AwardD (derivative)	3,796	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Nov 12, 2024	AwardD (derivative)	4,935	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet Specialty Products Partners, L.P.Listing on record	Nov 9, 2023	AwardD (derivative)	7,490	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet Specialty Products Partners, L.P.Listing on record	Nov 3, 2022	AwardD (derivative)	2,526	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TRECORA RESOURCESListing unverified	Jun 28, 2022	Other	-51,942	9.81 USD	$509.6K		SEC
TRECORA RESOURCESListing unverified	May 17, 2022	Exercise	13,011	9.57 USD	$124.5K	Unusual size	SEC
TRECORA RESOURCESListing unverified	May 17, 2022	ExerciseD (derivative)	-13,011	—	n/a (No price was disclosed in the filing)		SEC
Kraton CorpListing unverified	Mar 15, 2022	Other	-38,767	46.50 USD	$1.8M		SEC
TRECORA RESOURCESListing unverified	May 20, 2021	ExerciseD (derivative)	-13,251	—	n/a (No price was disclosed in the filing)		SEC
TRECORA RESOURCESListing unverified	May 20, 2021	Exercise	13,251	8.01 USD	$106.1K	Unusual size	SEC
TRECORA RESOURCESListing unverified	May 14, 2021	AwardD (derivative)	13,011	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kraton CorpListing unverified	Mar 3, 2021	Award	2,512	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TRECORA RESOURCESListing unverified	May 19, 2020	AwardD (derivative)	13,251	5.66 USD	$75K	Unusual size	SEC
TRECORA RESOURCESListing unverified	May 19, 2020	Exercise	6,000	—	n/a (No price was disclosed in the filing)		SEC
TRECORA RESOURCESListing unverified	May 19, 2020	ExerciseD (derivative)	-6,000	—	n/a (No price was disclosed in the filing)		SEC
Kraton CorpListing unverified	Mar 4, 2020	Award	9,792	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TRECORA RESOURCESListing unverified	May 20, 2019	Exercise	6,000	—	n/a (No price was disclosed in the filing)		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
Calumet, Inc. /DEListing unverified	Jul 13, 2026	Exercise	7,067	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Jul 13, 2026	ExerciseD (derivative)	-7,067	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Jun 4, 2026	AwardD (derivative)	3,461	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Dec 5, 2025	Exercise	2,526	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Dec 5, 2025	ExerciseD (derivative)	-2,526	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Oct 3, 2025	ExerciseD (derivative)	-3,796	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Oct 3, 2025	Exercise	3,796	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Jun 13, 2025	AwardD (derivative)	7,067	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Jun 11, 2025	AwardD (derivative)	3,796	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet, Inc. /DEListing unverified	Nov 12, 2024	AwardD (derivative)	4,935	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet Specialty Products Partners, L.P.Listing on record	Nov 9, 2023	AwardD (derivative)	7,490	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Calumet Specialty Products Partners, L.P.Listing on record	Nov 3, 2022	AwardD (derivative)	2,526	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TRECORA RESOURCESListing unverified	Jun 28, 2022	Other	-51,942	9.81 USD	$509.6K		SEC
TRECORA RESOURCESListing unverified	May 17, 2022	Exercise	13,011	9.57 USD	$124.5K	Unusual size	SEC
TRECORA RESOURCESListing unverified	May 17, 2022	ExerciseD (derivative)	-13,011	—	n/a (No price was disclosed in the filing)		SEC
Kraton CorpListing unverified	Mar 15, 2022	Other	-38,767	46.50 USD	$1.8M		SEC
TRECORA RESOURCESListing unverified	May 20, 2021	ExerciseD (derivative)	-13,251	—	n/a (No price was disclosed in the filing)		SEC
TRECORA RESOURCESListing unverified	May 20, 2021	Exercise	13,251	8.01 USD	$106.1K	Unusual size	SEC
TRECORA RESOURCESListing unverified	May 14, 2021	AwardD (derivative)	13,011	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Kraton CorpListing unverified	Mar 3, 2021	Award	2,512	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TRECORA RESOURCESListing unverified	May 19, 2020	AwardD (derivative)	13,251	5.66 USD	$75K	Unusual size	SEC
TRECORA RESOURCESListing unverified	May 19, 2020	Exercise	6,000	—	n/a (No price was disclosed in the filing)		SEC
TRECORA RESOURCESListing unverified	May 19, 2020	ExerciseD (derivative)	-6,000	—	n/a (No price was disclosed in the filing)		SEC
Kraton CorpListing unverified	Mar 4, 2020	Award	9,792	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TRECORA RESOURCESListing unverified	May 20, 2019	Exercise	6,000	—	n/a (No price was disclosed in the filing)		SEC