Napier Katherine S

Director at THIRD WAVE TECHNOLOGIES INC /WI · on record since Jun 27, 2006
Director at Alberto-Culver CO · on record since Dec 7, 2006
Director at MENTOR CORP /MN/ · on record since Mar 7, 2007
Former Director at MENTOR CORP /MN/ · on record since Jan 21, 2009
Director at EXACT SCIENCES CORP · on record since Apr 29, 2009
Director at Hill-Rom Holdings, Inc. · on record since Jul 21, 2009
Director at CUTERA INC · on record since Feb 22, 2019
Director at Diversey Holdings, Ltd. · on record since Mar 31, 2022

Insider trading activity of Napier Katherine S

Transactions on record: 111; since Nov 27, 2006

Open-market buys: 13; $254.5K

Open-market sells: 25; $10.3M

Companies traded: 7; last filing Mar 23, 2026

Figures computed from official regulatory filings — .

Companies where Napier Katherine S has traded

EXACT SCIENCES CORP60 tx · $10.4M · Mar 23, 2026
Diversey Holdings, Ltd.3 tx · $140.9K · Jul 6, 2023
CUTERA INC6 tx · $99.7K · Jun 17, 2022
Hill-Rom Holdings, Inc.11 tx · $1.5K · Mar 9, 2012
Alberto-Culver CO12 tx · $134K · Aug 6, 2009
MENTOR CORP /MN/5 tx · $64.1K · Jan 21, 2009
THIRD WAVE TECHNOLOGIES INC /WI14 tx · $477.3K · Jul 22, 2008

Track record of Napier Katherine S

Open-market buys: 13

Last buy: Nov 29, 2021

Enough buys on record, but none of them has a 63-day return yet — this happens when the shares stopped trading, or when the buys are too recent. Win rates will appear once returns mature.

Transaction history of Napier Katherine S

Co-insiders of Napier Katherine S

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
EXACT SCIENCES CORPListing unverified	Mar 23, 2026	Other	-5,398	—	n/a (No price was disclosed in the filing)		SEC
EXACT SCIENCES CORPListing unverified	Mar 23, 2026	Other	-55,361	—	n/a (No price was disclosed in the filing)		SEC
EXACT SCIENCES CORPListing unverified	Oct 27, 2025	Sell	-12,000	65.00 USD	$780K		SEC
EXACT SCIENCES CORPListing unverified	Jun 16, 2025	Sell	-3,207	53.20 USD	$170.6K		SEC
EXACT SCIENCES CORPListing unverified	Jun 16, 2025	Award	5,398	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Dec 20, 2024	Award	5,939	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Jun 17, 2024	Award	5,444	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversey Holdings, Ltd.Listing unverified	Jul 6, 2023	Other	-16,773	8.40 USD	$140.9K		SEC
EXACT SCIENCES CORPListing unverified	Jun 12, 2023	Sell	-3,027	90.51 USD	$274K		SEC
EXACT SCIENCES CORPListing unverified	Jun 12, 2023	Award	3,599	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Jul 28, 2022	Sell	-4,608	45.14 USD	$208K		SEC
EXACT SCIENCES CORPListing unverified	Jul 28, 2022	ExerciseD (derivative)	-4,608	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Jul 28, 2022	Exercise	4,608	10.18 USD	$46.9K		SEC
EXACT SCIENCES CORPListing unverified	Jul 1, 2022	Sell	-1,086	40.13 USD	$43.6K		SEC
CUTERA INCListing unverified	Jun 17, 2022	Award	2,777	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Jun 13, 2022	Award	5,606	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversey Holdings, Ltd.Listing unverified	Mar 31, 2022	Award	15,743	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversey Holdings, Ltd.Listing unverified	Mar 2, 2022	Award	1,030	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CUTERA INCListing unverified	Dec 1, 2021	Buy	1,307	37.63 USD	$49.2K	conv 44First in 12mo	SEC
EXACT SCIENCES CORPListing unverified	Aug 3, 2021	Sell	-1,381	111.11 USD	$153.4K		SEC
EXACT SCIENCES CORPListing unverified	Aug 2, 2021	Sell	-1,381	111.11 USD	$153.4K		SEC
EXACT SCIENCES CORPListing unverified	Jul 2, 2021	Award	2,011	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CUTERA INCListing unverified	Jun 17, 2021	Award	4,267	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Dec 14, 2020	Sell	-10,276	131.83 USD	$1.4M		SEC
EXACT SCIENCES CORPListing unverified	Dec 14, 2020	Sell	-869	133.49 USD	$116K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
EXACT SCIENCES CORPListing unverified	Mar 23, 2026	Other	-5,398	—	n/a (No price was disclosed in the filing)		SEC
EXACT SCIENCES CORPListing unverified	Mar 23, 2026	Other	-55,361	—	n/a (No price was disclosed in the filing)		SEC
EXACT SCIENCES CORPListing unverified	Oct 27, 2025	Sell	-12,000	65.00 USD	$780K		SEC
EXACT SCIENCES CORPListing unverified	Jun 16, 2025	Sell	-3,207	53.20 USD	$170.6K		SEC
EXACT SCIENCES CORPListing unverified	Jun 16, 2025	Award	5,398	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Dec 20, 2024	Award	5,939	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Jun 17, 2024	Award	5,444	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversey Holdings, Ltd.Listing unverified	Jul 6, 2023	Other	-16,773	8.40 USD	$140.9K		SEC
EXACT SCIENCES CORPListing unverified	Jun 12, 2023	Sell	-3,027	90.51 USD	$274K		SEC
EXACT SCIENCES CORPListing unverified	Jun 12, 2023	Award	3,599	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Jul 28, 2022	Sell	-4,608	45.14 USD	$208K		SEC
EXACT SCIENCES CORPListing unverified	Jul 28, 2022	ExerciseD (derivative)	-4,608	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Jul 28, 2022	Exercise	4,608	10.18 USD	$46.9K		SEC
EXACT SCIENCES CORPListing unverified	Jul 1, 2022	Sell	-1,086	40.13 USD	$43.6K		SEC
CUTERA INCListing unverified	Jun 17, 2022	Award	2,777	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Jun 13, 2022	Award	5,606	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversey Holdings, Ltd.Listing unverified	Mar 31, 2022	Award	15,743	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Diversey Holdings, Ltd.Listing unverified	Mar 2, 2022	Award	1,030	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CUTERA INCListing unverified	Dec 1, 2021	Buy	1,307	37.63 USD	$49.2K	conv 44First in 12mo	SEC
EXACT SCIENCES CORPListing unverified	Aug 3, 2021	Sell	-1,381	111.11 USD	$153.4K		SEC
EXACT SCIENCES CORPListing unverified	Aug 2, 2021	Sell	-1,381	111.11 USD	$153.4K		SEC
EXACT SCIENCES CORPListing unverified	Jul 2, 2021	Award	2,011	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CUTERA INCListing unverified	Jun 17, 2021	Award	4,267	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
EXACT SCIENCES CORPListing unverified	Dec 14, 2020	Sell	-10,276	131.83 USD	$1.4M		SEC
EXACT SCIENCES CORPListing unverified	Dec 14, 2020	Sell	-869	133.49 USD	$116K		SEC