HARTLEY C KEITH

Director at UNIVERSAL DISPLAY CORP \PA\ · on record since Jan 9, 2006
Director at IDERA PHARMACEUTICALS, INC. · on record since Jan 3, 2006
Director at Cambridge Display Technology, Inc. · on record since Apr 2, 2026

Insider trading activity of HARTLEY C KEITH

Transactions on record: 172; since Oct 2, 2003

Open-market buys: 4; $79.2K

Open-market sells: 24; $10.5M

Companies traded: 3; last filing Jul 2, 2026

Figures computed from official regulatory filings — methodology.

Companies where HARTLEY C KEITH has traded

Cambridge Display Technology, Inc.80 tx · $9.4M · Jul 2, 2026
IDERA PHARMACEUTICALS, INC.32 tx · $72.9K · Aug 16, 2013
UNIVERSAL DISPLAY CORP \PA\60 tx · $2.6M · Apr 2, 2013

Track record of HARTLEY C KEITH

Statistical track record

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Open-market buys: 5

Last buy: May 7, 2013

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Transaction history of HARTLEY C KEITH

Co-insiders of HARTLEY C KEITH

This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →

Company	Filed	Type	Qty	Value · USD	Src
Cambridge Display Technology, Inc.	Jul 2, 2026	Award	455	—	SEC
Cambridge Display Technology, Inc.	Apr 2, 2026	Award	456	$0	SEC
Cambridge Display Technology, Inc.	Jan 5, 2026	Award	341	$0	SEC
Cambridge Display Technology, Inc.	Oct 2, 2025	Award	341	$0	SEC
Cambridge Display Technology, Inc.	Jul 2, 2025	Award	342	$0	SEC
Cambridge Display Technology, Inc.	Apr 2, 2025	Award	342	$0	SEC
Cambridge Display Technology, Inc.	Jan 3, 2025	Award	314	$0	SEC
Cambridge Display Technology, Inc.	Oct 2, 2024	Award	314	$0	SEC
Cambridge Display Technology, Inc.	Jul 2, 2024	Award	314	$0	SEC
Cambridge Display Technology, Inc.	Apr 2, 2024	Award	314	$0	SEC
Cambridge Display Technology, Inc.	Mar 22, 2024	Gift	-50	$0	SEC
Cambridge Display Technology, Inc.	Feb 20, 2024	Gift	-300	$0	SEC
Cambridge Display Technology, Inc.	Jan 3, 2024	Award	472	$0	SEC
Cambridge Display Technology, Inc.	Oct 3, 2023	Award	472	$0	SEC
Cambridge Display Technology, Inc.	Jul 5, 2023	Award	472	$0	SEC
Cambridge Display Technology, Inc.	Apr 4, 2023	Award	472	$0	SEC
Cambridge Display Technology, Inc.	Jan 4, 2023	Award	366	$0	SEC
Cambridge Display Technology, Inc.	Oct 3, 2022	Award	366	$0	SEC
Cambridge Display Technology, Inc.	Jul 5, 2022	Award	366	$0	SEC
Cambridge Display Technology, Inc.	Apr 4, 2022	Award	366	$0	SEC
Cambridge Display Technology, Inc.	Jan 4, 2022	Gift	-600	$0	SEC
Cambridge Display Technology, Inc.	Jan 4, 2022	Gift	-2,600	$0	SEC
Cambridge Display Technology, Inc.	Jan 4, 2022	Award	225	$0	SEC
Cambridge Display Technology, Inc.	Oct 4, 2021	Award	226	$0	SEC
Cambridge Display Technology, Inc.	Jul 1, 2021	Award	226	$0	SEC

Company	Filed	Type	Qty	Value · USD	Src
Cambridge Display Technology, Inc.	Jul 2, 2026	Award	455	—	SEC
Cambridge Display Technology, Inc.	Apr 2, 2026	Award	456	$0	SEC
Cambridge Display Technology, Inc.	Jan 5, 2026	Award	341	$0	SEC
Cambridge Display Technology, Inc.	Oct 2, 2025	Award	341	$0	SEC
Cambridge Display Technology, Inc.	Jul 2, 2025	Award	342	$0	SEC
Cambridge Display Technology, Inc.	Apr 2, 2025	Award	342	$0	SEC
Cambridge Display Technology, Inc.	Jan 3, 2025	Award	314	$0	SEC
Cambridge Display Technology, Inc.	Oct 2, 2024	Award	314	$0	SEC
Cambridge Display Technology, Inc.	Jul 2, 2024	Award	314	$0	SEC
Cambridge Display Technology, Inc.	Apr 2, 2024	Award	314	$0	SEC
Cambridge Display Technology, Inc.	Mar 22, 2024	Gift	-50	$0	SEC
Cambridge Display Technology, Inc.	Feb 20, 2024	Gift	-300	$0	SEC
Cambridge Display Technology, Inc.	Jan 3, 2024	Award	472	$0	SEC
Cambridge Display Technology, Inc.	Oct 3, 2023	Award	472	$0	SEC
Cambridge Display Technology, Inc.	Jul 5, 2023	Award	472	$0	SEC
Cambridge Display Technology, Inc.	Apr 4, 2023	Award	472	$0	SEC
Cambridge Display Technology, Inc.	Jan 4, 2023	Award	366	$0	SEC
Cambridge Display Technology, Inc.	Oct 3, 2022	Award	366	$0	SEC
Cambridge Display Technology, Inc.	Jul 5, 2022	Award	366	$0	SEC
Cambridge Display Technology, Inc.	Apr 4, 2022	Award	366	$0	SEC
Cambridge Display Technology, Inc.	Jan 4, 2022	Gift	-600	$0	SEC
Cambridge Display Technology, Inc.	Jan 4, 2022	Gift	-2,600	$0	SEC
Cambridge Display Technology, Inc.	Jan 4, 2022	Award	225	$0	SEC
Cambridge Display Technology, Inc.	Oct 4, 2021	Award	226	$0	SEC
Cambridge Display Technology, Inc.	Jul 1, 2021	Award	226	$0	SEC