GLICK JOHN F

Director at LUFKIN INDUSTRIES INC · on record since Feb 14, 2008
Vice President at LUFKIN INDUSTRIES INC · on record since Aug 27, 2003
Director at TETRA TECHNOLOGIES INC · on record since May 26, 2026
Director at Weatherford International plc · on record since Dec 23, 2019

Insider trading activity of GLICK JOHN F

Transactions on record: 313; since Aug 27, 2003

Open-market buys: 27; $452.1K

Open-market sells: 155; $14.3M

Companies traded: 2; last filing Jun 15, 2026

Figures computed from official regulatory filings — .

Companies where GLICK JOHN F has traded

TETRA TECHNOLOGIES INC24 tx · $207.8K · Jun 15, 2026
LUFKIN INDUSTRIES INC289 tx · $101.7M · Jul 2, 2013

Track record of GLICK JOHN F

Statistical track record

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Open-market buys: 27

Last buy: Jun 22, 2020

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Transaction history of GLICK JOHN F

Co-insiders of GLICK JOHN F

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
TETRA TECHNOLOGIES INCListing on record	Jun 15, 2026	Exercise	51,441	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Jun 15, 2026	ExerciseD (derivative)	-51,441	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 26, 2026	AwardD (derivative)	17,983	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Jun 16, 2025	AwardD (derivative)	51,441	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 22, 2025	Exercise	36,206	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 22, 2025	ExerciseD (derivative)	-36,206	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 29, 2024	Exercise	53,305	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 29, 2024	ExerciseD (derivative)	-53,305	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 22, 2024	AwardD (derivative)	36,206	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 26, 2023	Exercise	24,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 26, 2023	AwardD (derivative)	53,305	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 26, 2023	ExerciseD (derivative)	-24,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 27, 2022	Exercise	31,216	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 27, 2022	ExerciseD (derivative)	-31,216	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 25, 2022	AwardD (derivative)	24,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 27, 2021	AwardD (derivative)	31,216	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Jun 23, 2020	Buy	250,000	0.43 USD	$107.5K	conv 77Unusual sizeFirst in 12mo	SEC
TETRA TECHNOLOGIES INCListing on record	May 8, 2018	Award	24,214	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 8, 2017	Award	32,363	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 12, 2016	Award	13,889	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 6, 2015	Award	13,987	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Mar 9, 2015	Buy	18,100	5.54 USD	$100.3K	conv 81ClusterUnusual size+1	SEC
TETRA TECHNOLOGIES INCListing on record	May 22, 2014	Award	8,961	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Jan 16, 2014	Award	3,108	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LUFKIN INDUSTRIES INCListing unverified	Jul 2, 2013	OtherD (derivative)	-35,000	18.06 USD	$632.1K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
TETRA TECHNOLOGIES INCListing on record	Jun 15, 2026	Exercise	51,441	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Jun 15, 2026	ExerciseD (derivative)	-51,441	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 26, 2026	AwardD (derivative)	17,983	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Jun 16, 2025	AwardD (derivative)	51,441	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 22, 2025	Exercise	36,206	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 22, 2025	ExerciseD (derivative)	-36,206	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 29, 2024	Exercise	53,305	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 29, 2024	ExerciseD (derivative)	-53,305	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 22, 2024	AwardD (derivative)	36,206	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 26, 2023	Exercise	24,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 26, 2023	AwardD (derivative)	53,305	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 26, 2023	ExerciseD (derivative)	-24,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 27, 2022	Exercise	31,216	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 27, 2022	ExerciseD (derivative)	-31,216	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 25, 2022	AwardD (derivative)	24,022	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 27, 2021	AwardD (derivative)	31,216	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Jun 23, 2020	Buy	250,000	0.43 USD	$107.5K	conv 77Unusual sizeFirst in 12mo	SEC
TETRA TECHNOLOGIES INCListing on record	May 8, 2018	Award	24,214	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 8, 2017	Award	32,363	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 12, 2016	Award	13,889	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	May 6, 2015	Award	13,987	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Mar 9, 2015	Buy	18,100	5.54 USD	$100.3K	conv 81ClusterUnusual size+1	SEC
TETRA TECHNOLOGIES INCListing on record	May 22, 2014	Award	8,961	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
TETRA TECHNOLOGIES INCListing on record	Jan 16, 2014	Award	3,108	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
LUFKIN INDUSTRIES INCListing unverified	Jul 2, 2013	OtherD (derivative)	-35,000	18.06 USD	$632.1K		SEC