JOHNSON WILLIAM S

Vice President, CFO at CMC Materials, Inc. · on record since Nov 6, 2003
Director at CTS CORP · on record since Feb 20, 2015
VP, CFO and Secretary at JORGENSEN EARLE M CO /DE/ · on record since Apr 14, 2005

Insider trading activity of JOHNSON WILLIAM S

Transactions on record: 288; since Nov 6, 2003

Open-market buys: 2; $45.3K

Open-market sells: 87; $27.9M

Companies traded: 3; last filing Nov 10, 2025

Figures computed from official regulatory filings — .

Companies where JOHNSON WILLIAM S has traded

CTS CORP12 tx · $705.3K · Nov 10, 2025
CMC Materials, Inc.269 tx · $49.5M · Jan 3, 2018
JORGENSEN EARLE M CO /DE/7 tx · Jul 18, 2005

Track record of JOHNSON WILLIAM S

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

Transaction history of JOHNSON WILLIAM S

Co-insiders of JOHNSON WILLIAM S

Agrawal AshishCTS CORP
Baumeister MartinCTS CORP
Beamer Scott DCMC Materials, Inc.
BELUSAR DONNA L.CTS CORP
BERNEY PHILIP EJORGENSEN EARLE M CO /DE/
Birgeneau Robert JCMC Materials, Inc.
BOWMAR SCOTT ACTS CORP
Brush Victoria JCMC Materials, Inc.
BUCHANAN H TYLERCTS CORP
BYNUM FRANK KJORGENSEN EARLE M CO /DE/
CATLOW WALTER SCTS CORP
CIANCIA LAWRENCE JCTS CORP
CODY THOMAS GCTS CORP
Costello DonnaCTS CORP
CUMMINS JAMES LCTS CORP
CUTTER RICHARD GCTS CORP
Damashek YumikoCMC Materials, Inc.
D'Angelo ScottCTS CORP

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
CTS CORPListing on record	Nov 10, 2025	Award	3,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CTS CORPListing on record	Nov 8, 2024	Award	2,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CTS CORPListing on record	Nov 6, 2023	Award	3,600	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CTS CORPListing on record	Nov 14, 2022	Award	3,100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CTS CORPListing on record	Nov 5, 2021	Award	3,600	36.69 USD	$132.1K		SEC
CTS CORPListing on record	Nov 6, 2020	Award	4,200	29.23 USD	$122.8K		SEC
CTS CORPListing on record	Nov 8, 2019	Award	4,400	27.81 USD	$122.4K		SEC
CTS CORPListing on record	Nov 9, 2018	Award	4,200	28.85 USD	$121.2K		SEC
CMC Materials, Inc.Listing unverified	Jan 3, 2018	Other	-1,859	96.41 USD	$179.2K	Unusual size	SEC
CMC Materials, Inc.Listing unverified	Dec 6, 2017	Other	-997	92.42 USD	$92.1K		SEC
CMC Materials, Inc.Listing unverified	Dec 6, 2017	Other	-1,138	92.57 USD	$105.3K		SEC
CMC Materials, Inc.Listing unverified	Dec 6, 2017	Other	-833	92.42 USD	$77K		SEC
CMC Materials, Inc.Listing unverified	Dec 6, 2017	Other	-985	92.42 USD	$91K		SEC
CTS CORPListing on record	Nov 13, 2017	Award	3,700	26.20 USD	$96.9K		SEC
CMC Materials, Inc.Listing unverified	Nov 2, 2017	ExerciseD (derivative)	-17,594	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CMC Materials, Inc.Listing unverified	Nov 2, 2017	Sell	-17,594	96.38 USD	$1.7M		SEC
CMC Materials, Inc.Listing unverified	Nov 2, 2017	Exercise	17,594	32.64 USD	$574.3K		SEC
CMC Materials, Inc.Listing unverified	Aug 3, 2017	Exercise	11,806	32.64 USD	$385.3K		SEC
CMC Materials, Inc.Listing unverified	Aug 3, 2017	ExerciseD (derivative)	-11,806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CMC Materials, Inc.Listing unverified	Aug 3, 2017	Sell	-11,806	73.77 USD	$870.9K		SEC
CMC Materials, Inc.Listing unverified	May 8, 2017	Sell	-18,930	78.08 USD	$1.5M		SEC
CMC Materials, Inc.Listing unverified	May 8, 2017	Exercise	18,930	27.94 USD	$528.9K		SEC
CMC Materials, Inc.Listing unverified	May 8, 2017	ExerciseD (derivative)	-18,930	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CMC Materials, Inc.Listing unverified	Feb 1, 2017	Exercise	18,932	27.94 USD	$529K		SEC
CMC Materials, Inc.Listing unverified	Feb 1, 2017	ExerciseD (derivative)	-18,932	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
CTS CORPListing on record	Nov 10, 2025	Award	3,500	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CTS CORPListing on record	Nov 8, 2024	Award	2,400	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CTS CORPListing on record	Nov 6, 2023	Award	3,600	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CTS CORPListing on record	Nov 14, 2022	Award	3,100	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CTS CORPListing on record	Nov 5, 2021	Award	3,600	36.69 USD	$132.1K		SEC
CTS CORPListing on record	Nov 6, 2020	Award	4,200	29.23 USD	$122.8K		SEC
CTS CORPListing on record	Nov 8, 2019	Award	4,400	27.81 USD	$122.4K		SEC
CTS CORPListing on record	Nov 9, 2018	Award	4,200	28.85 USD	$121.2K		SEC
CMC Materials, Inc.Listing unverified	Jan 3, 2018	Other	-1,859	96.41 USD	$179.2K	Unusual size	SEC
CMC Materials, Inc.Listing unverified	Dec 6, 2017	Other	-997	92.42 USD	$92.1K		SEC
CMC Materials, Inc.Listing unverified	Dec 6, 2017	Other	-1,138	92.57 USD	$105.3K		SEC
CMC Materials, Inc.Listing unverified	Dec 6, 2017	Other	-833	92.42 USD	$77K		SEC
CMC Materials, Inc.Listing unverified	Dec 6, 2017	Other	-985	92.42 USD	$91K		SEC
CTS CORPListing on record	Nov 13, 2017	Award	3,700	26.20 USD	$96.9K		SEC
CMC Materials, Inc.Listing unverified	Nov 2, 2017	ExerciseD (derivative)	-17,594	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CMC Materials, Inc.Listing unverified	Nov 2, 2017	Sell	-17,594	96.38 USD	$1.7M		SEC
CMC Materials, Inc.Listing unverified	Nov 2, 2017	Exercise	17,594	32.64 USD	$574.3K		SEC
CMC Materials, Inc.Listing unverified	Aug 3, 2017	Exercise	11,806	32.64 USD	$385.3K		SEC
CMC Materials, Inc.Listing unverified	Aug 3, 2017	ExerciseD (derivative)	-11,806	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CMC Materials, Inc.Listing unverified	Aug 3, 2017	Sell	-11,806	73.77 USD	$870.9K		SEC
CMC Materials, Inc.Listing unverified	May 8, 2017	Sell	-18,930	78.08 USD	$1.5M		SEC
CMC Materials, Inc.Listing unverified	May 8, 2017	Exercise	18,930	27.94 USD	$528.9K		SEC
CMC Materials, Inc.Listing unverified	May 8, 2017	ExerciseD (derivative)	-18,930	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CMC Materials, Inc.Listing unverified	Feb 1, 2017	Exercise	18,932	27.94 USD	$529K		SEC
CMC Materials, Inc.Listing unverified	Feb 1, 2017	ExerciseD (derivative)	-18,932	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC