Kuyper Dirk

President and CEO at Alphatec Holdings, Inc. · on record since Sep 28, 2007
Director at Alphatec Holdings, Inc. · on record since Mar 17, 2008
Director at CONMED Corp · on record since Jul 30, 2013

Insider trading activity of Kuyper Dirk

Transactions on record: 87; since Sep 28, 2007

Open-market buys: 15; $306K

Open-market sells: 12; $2.3M

Companies traded: 2; last filing Aug 6, 2019

Figures computed from official regulatory filings — .

Companies where Kuyper Dirk has traded

CONMED Corp51 tx · $3.1M · Aug 6, 2019
Alphatec Holdings, Inc.36 tx · $1.3M · Sep 12, 2011

Track record of Kuyper Dirk

Statistical track record

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Open-market buys: 15

Last buy: Aug 15, 2013

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Transaction history of Kuyper Dirk

Co-insiders of Kuyper Dirk

ABRAHAM WILLIAMCONMED Corp
ACEY THOMASCONMED Corp
Allen JonathanAlphatec Holdings, Inc.
Altman Elizabeth AnnAlphatec Holdings, Inc.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
CONMED CorpListing on record	Aug 6, 2019	Sell	-5,396	91.10 USD	$491.6K		SEC
CONMED CorpListing on record	Aug 6, 2019	OtherD (derivative)	-2,165	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	Exercise	2,549	69.03 USD	$176K	Unusual size	SEC
CONMED CorpListing on record	Aug 6, 2019	Sell	-2,549	91.17 USD	$232.4K		SEC
CONMED CorpListing on record	Aug 6, 2019	Sell	-3,669	91.04 USD	$334K		SEC
CONMED CorpListing on record	Aug 6, 2019	Exercise	5,396	41.06 USD	$221.6K	Unusual size	SEC
CONMED CorpListing on record	Aug 6, 2019	OtherD (derivative)	-1,407	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	ExerciseD (derivative)	-3,669	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	ExerciseD (derivative)	-2,549	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	ExerciseD (derivative)	-5,396	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	Exercise	3,669	51.90 USD	$190.4K	Unusual size	SEC
CONMED CorpListing on record	Jun 18, 2019	Sell	-8,970	83.00 USD	$744.5K	Unusual size	SEC
CONMED CorpListing on record	Jun 4, 2019	AwardD (derivative)	2,165	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Jun 4, 2019	AwardD (derivative)	1,407	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Jun 4, 2019	ExerciseD (derivative)	-1,629	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Jun 4, 2019	Exercise	1,629	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Apr 9, 2019	Exercise	1,000	33.43 USD	$33.4K		SEC
CONMED CorpListing on record	Apr 9, 2019	Other	-677	82.38 USD	$55.8K	Unusual size	SEC
CONMED CorpListing on record	Apr 9, 2019	Other	-482	82.38 USD	$39.7K	Unusual size	SEC
CONMED CorpListing on record	Apr 9, 2019	Exercise	1,000	39.64 USD	$39.6K		SEC
CONMED CorpListing on record	Apr 9, 2019	Other	-406	82.38 USD	$33.4K	Unusual size	SEC
CONMED CorpListing on record	Apr 9, 2019	ExerciseD (derivative)	-1,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Apr 9, 2019	Sell	-2,000	83.39 USD	$166.8K	Unusual size	SEC
CONMED CorpListing on record	Apr 9, 2019	ExerciseD (derivative)	-1,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Apr 9, 2019	ExerciseD (derivative)	-1,000	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
CONMED CorpListing on record	Aug 6, 2019	Sell	-5,396	91.10 USD	$491.6K		SEC
CONMED CorpListing on record	Aug 6, 2019	OtherD (derivative)	-2,165	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	Exercise	2,549	69.03 USD	$176K	Unusual size	SEC
CONMED CorpListing on record	Aug 6, 2019	Sell	-2,549	91.17 USD	$232.4K		SEC
CONMED CorpListing on record	Aug 6, 2019	Sell	-3,669	91.04 USD	$334K		SEC
CONMED CorpListing on record	Aug 6, 2019	Exercise	5,396	41.06 USD	$221.6K	Unusual size	SEC
CONMED CorpListing on record	Aug 6, 2019	OtherD (derivative)	-1,407	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	ExerciseD (derivative)	-3,669	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	ExerciseD (derivative)	-2,549	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	ExerciseD (derivative)	-5,396	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Aug 6, 2019	Exercise	3,669	51.90 USD	$190.4K	Unusual size	SEC
CONMED CorpListing on record	Jun 18, 2019	Sell	-8,970	83.00 USD	$744.5K	Unusual size	SEC
CONMED CorpListing on record	Jun 4, 2019	AwardD (derivative)	2,165	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Jun 4, 2019	AwardD (derivative)	1,407	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Jun 4, 2019	ExerciseD (derivative)	-1,629	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Jun 4, 2019	Exercise	1,629	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Apr 9, 2019	Exercise	1,000	33.43 USD	$33.4K		SEC
CONMED CorpListing on record	Apr 9, 2019	Other	-677	82.38 USD	$55.8K	Unusual size	SEC
CONMED CorpListing on record	Apr 9, 2019	Other	-482	82.38 USD	$39.7K	Unusual size	SEC
CONMED CorpListing on record	Apr 9, 2019	Exercise	1,000	39.64 USD	$39.6K		SEC
CONMED CorpListing on record	Apr 9, 2019	Other	-406	82.38 USD	$33.4K	Unusual size	SEC
CONMED CorpListing on record	Apr 9, 2019	ExerciseD (derivative)	-1,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Apr 9, 2019	Sell	-2,000	83.39 USD	$166.8K	Unusual size	SEC
CONMED CorpListing on record	Apr 9, 2019	ExerciseD (derivative)	-1,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
CONMED CorpListing on record	Apr 9, 2019	ExerciseD (derivative)	-1,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC