Harper Katherine Carolyn

Director at LYDALL INC /DE/ · on record since Apr 22, 2021
SVP, Chief Financial Officer at Tronox Holdings plc · on record since Sep 25, 2013
Chief Financial Officer at AgroFresh Solutions, Inc. · on record since Nov 21, 2016
Former SVP, CFO at Tronox Holdings plc · on record since Oct 3, 2016
Director at MODINE MANUFACTURING CO · on record since Nov 2, 2021

Insider trading activity of Harper Katherine Carolyn

Transactions on record: 25; since Feb 12, 2014

Open-market buys: 2; $135.2K

Open-market sells: 0

Companies traded: 4; last filing Aug 21, 2026

Figures computed from official regulatory filings — .

Companies where Harper Katherine Carolyn has traded

MODINE MANUFACTURING CO5 tx · Aug 21, 2026
LYDALL INC /DE/2 tx · $24K · Oct 5, 2021
AgroFresh Solutions, Inc.9 tx · $25.6K · Jul 26, 2018
Tronox Holdings plc9 tx · $2.8M · Oct 3, 2016

Track record of Harper Katherine Carolyn

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

Transaction history of Harper Katherine Carolyn

Co-insiders of Harper Katherine Carolyn

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
MODINE MANUFACTURING COListing on record	Aug 21, 2026	Award	812	0.00 USD	—	SEC
MODINE MANUFACTURING COListing on record	Aug 25, 2025	Award	1,149	0.00 USD	—	SEC
MODINE MANUFACTURING COListing on record	Aug 19, 2024	Award	1,320	0.00 USD	—	SEC
MODINE MANUFACTURING COListing on record	Aug 21, 2023	Award	3,427	0.00 USD	—	SEC
MODINE MANUFACTURING COListing on record	Jul 25, 2022	Award	10,682	0.00 USD	—	SEC
LYDALL INC /DE/Listing unverified	Oct 5, 2021	Other	-773	—	—	SEC
LYDALL INC /DE/Listing unverified	Apr 22, 2021	Award	773	31.07 USD	$24K	SEC
AgroFresh Solutions, Inc.Listing unverified	Jul 26, 2018	Award	7,750	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Jul 26, 2018	AwardD (derivative)	10,300	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Apr 30, 2018	AwardD (derivative)	37,300	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Apr 30, 2018	Award	27,950	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Apr 4, 2017	AwardD (derivative)	51,500	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Apr 4, 2017	Award	38,650	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Nov 21, 2016	Buy	10,000	2.56 USD	$25.6K	SEC
AgroFresh Solutions, Inc.Listing unverified	Oct 5, 2016	AwardD (derivative)	74,488	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Oct 5, 2016	Award	74,488	0.00 USD	—	SEC
Tronox Holdings plcListing on record	Oct 3, 2016	Other	-65,142	9.37 USD	$610.4K	SEC
Tronox Holdings plcListing on record	Sep 19, 2016	Other	-508	8.78 USD	$4.5K	SEC
Tronox Holdings plcListing on record	Feb 26, 2016	Award	124,728	3.80 USD	$474K	SEC
Tronox Holdings plcListing on record	Aug 6, 2015	Buy	10,000	10.96 USD	$109.6K	SEC
Tronox Holdings plcListing on record	Mar 2, 2015	Award	17,557	21.30 USD	$374K	SEC
Tronox Holdings plcListing on record	Feb 12, 2015	Other	-2,924	20.99 USD	$61.4K	SEC
Tronox Holdings plcListing on record	Sep 18, 2014	Other	-568	28.59 USD	$16.2K	SEC
Tronox Holdings plcListing on record	Feb 12, 2014	AwardD (derivative)	26,894	21.98 USD	$591.1K	SEC
Tronox Holdings plcListing on record	Feb 12, 2014	Award	24,777	21.98 USD	$544.6K	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
MODINE MANUFACTURING COListing on record	Aug 21, 2026	Award	812	0.00 USD	—	SEC
MODINE MANUFACTURING COListing on record	Aug 25, 2025	Award	1,149	0.00 USD	—	SEC
MODINE MANUFACTURING COListing on record	Aug 19, 2024	Award	1,320	0.00 USD	—	SEC
MODINE MANUFACTURING COListing on record	Aug 21, 2023	Award	3,427	0.00 USD	—	SEC
MODINE MANUFACTURING COListing on record	Jul 25, 2022	Award	10,682	0.00 USD	—	SEC
LYDALL INC /DE/Listing unverified	Oct 5, 2021	Other	-773	—	—	SEC
LYDALL INC /DE/Listing unverified	Apr 22, 2021	Award	773	31.07 USD	$24K	SEC
AgroFresh Solutions, Inc.Listing unverified	Jul 26, 2018	Award	7,750	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Jul 26, 2018	AwardD (derivative)	10,300	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Apr 30, 2018	AwardD (derivative)	37,300	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Apr 30, 2018	Award	27,950	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Apr 4, 2017	AwardD (derivative)	51,500	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Apr 4, 2017	Award	38,650	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Nov 21, 2016	Buy	10,000	2.56 USD	$25.6K	SEC
AgroFresh Solutions, Inc.Listing unverified	Oct 5, 2016	AwardD (derivative)	74,488	0.00 USD	—	SEC
AgroFresh Solutions, Inc.Listing unverified	Oct 5, 2016	Award	74,488	0.00 USD	—	SEC
Tronox Holdings plcListing on record	Oct 3, 2016	Other	-65,142	9.37 USD	$610.4K	SEC
Tronox Holdings plcListing on record	Sep 19, 2016	Other	-508	8.78 USD	$4.5K	SEC
Tronox Holdings plcListing on record	Feb 26, 2016	Award	124,728	3.80 USD	$474K	SEC
Tronox Holdings plcListing on record	Aug 6, 2015	Buy	10,000	10.96 USD	$109.6K	SEC
Tronox Holdings plcListing on record	Mar 2, 2015	Award	17,557	21.30 USD	$374K	SEC
Tronox Holdings plcListing on record	Feb 12, 2015	Other	-2,924	20.99 USD	$61.4K	SEC
Tronox Holdings plcListing on record	Sep 18, 2014	Other	-568	28.59 USD	$16.2K	SEC
Tronox Holdings plcListing on record	Feb 12, 2014	AwardD (derivative)	26,894	21.98 USD	$591.1K	SEC
Tronox Holdings plcListing on record	Feb 12, 2014	Award	24,777	21.98 USD	$544.6K	SEC