LUDLUM KEN

Director at NATUS MEDICAL INC · on record since Mar 27, 2006
Director at DIH HOLDING US, INC. · on record since Feb 20, 2024
Director at SOLTA MEDICAL INC · on record since Nov 9, 2006
Chief Financial Officer at CareDx, Inc. · on record since Jul 16, 2014
Director at Personalis, Inc. · on record since Jun 24, 2019
Director at IRIDEX CORP · on record since Apr 4, 2019

Insider trading activity of LUDLUM KEN

Transactions on record: 111; since May 19, 2004

Open-market buys: 5; $1.4M

Open-market sells: 22; $3.5M

Companies traded: 6; last filing Dec 9, 2024

Figures computed from official regulatory filings — .

Companies where LUDLUM KEN has traded

DIH HOLDING US, INC.1 tx · $75K · Dec 9, 2024
IRIDEX CORP6 tx · $75K · Jun 15, 2023
Personalis, Inc.10 tx · $1.6M · May 19, 2022
NATUS MEDICAL INC87 tx · $5.1M · Aug 2, 2019
CareDx, Inc.6 tx · $70K · Jan 26, 2016
SOLTA MEDICAL INC1 tx · $56.3M · Jul 12, 2007

Track record of LUDLUM KEN

Statistical track record

Free account

Open-market buys: 5

Last buy: Jun 24, 2019

Win rates, median returns and the proven-insider analysis come with a free account.

Transaction history of LUDLUM KEN

Co-insiders of LUDLUM KEN

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
DIH HOLDING US, INC.Listing on record	Dec 9, 2024	Award	52,817	1.42 USD	$75K		SEC
IRIDEX CORPListing on record	Jun 15, 2023	Award	39,267	1.91 USD	$75K		SEC
IRIDEX CORPListing on record	Jun 16, 2022	Award	27,472	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 19, 2022	Award	10,770	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 19, 2022	AwardD (derivative)	15,035	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRIDEX CORPListing on record	Jun 21, 2021	Award	5,420	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 18, 2021	Award	2,736	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 18, 2021	AwardD (derivative)	4,229	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	Aug 18, 2020	Sell	-6,470	20.42 USD	$132.1K		SEC
Personalis, Inc.Listing on record	Aug 18, 2020	Sell	-13,530	20.05 USD	$271.3K		SEC
IRIDEX CORPListing on record	Jun 26, 2020	Award	18,348	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 19, 2020	AwardD (derivative)	14,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	Feb 11, 2020	Exercise	4,167	3.80 USD	$15.8K		SEC
Personalis, Inc.Listing on record	Feb 11, 2020	ExerciseD (derivative)	-4,167	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NATUS MEDICAL INCListing unverified	Aug 2, 2019	Sell	-12,632	31.94 USD	$403.5K		SEC
IRIDEX CORPListing on record	Jul 25, 2019	Award	11,204	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NATUS MEDICAL INCListing unverified	Jul 2, 2019	Award	5,846	25.66 USD	$150K		SEC
Personalis, Inc.Listing on record	Jun 24, 2019	Buy	70,000	17.00 USD	$1.2M	conv 73Unusual sizeFirst in 12mo	SEC
NATUS MEDICAL INCListing unverified	Jun 13, 2019	Sell	-4,250	24.41 USD	$103.7K		SEC
NATUS MEDICAL INCListing unverified	Jun 4, 2019	Sell	-6,000	24.84 USD	$149K		SEC
NATUS MEDICAL INCListing unverified	May 13, 2019	Sell	-7,515	26.28 USD	$197.5K		SEC
IRIDEX CORPListing on record	Apr 4, 2019	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NATUS MEDICAL INCListing unverified	Dec 3, 2018	Sell	-10,000	34.93 USD	$349.3K		SEC
NATUS MEDICAL INCListing unverified	Dec 3, 2018	Sell	-20,000	29.06 USD	$581.2K	Unusual size	SEC
NATUS MEDICAL INCListing unverified	Aug 6, 2018	Exercise	3,000	24.50 USD	$73.5K	Unusual size	SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
DIH HOLDING US, INC.Listing on record	Dec 9, 2024	Award	52,817	1.42 USD	$75K		SEC
IRIDEX CORPListing on record	Jun 15, 2023	Award	39,267	1.91 USD	$75K		SEC
IRIDEX CORPListing on record	Jun 16, 2022	Award	27,472	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 19, 2022	Award	10,770	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 19, 2022	AwardD (derivative)	15,035	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
IRIDEX CORPListing on record	Jun 21, 2021	Award	5,420	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 18, 2021	Award	2,736	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 18, 2021	AwardD (derivative)	4,229	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	Aug 18, 2020	Sell	-6,470	20.42 USD	$132.1K		SEC
Personalis, Inc.Listing on record	Aug 18, 2020	Sell	-13,530	20.05 USD	$271.3K		SEC
IRIDEX CORPListing on record	Jun 26, 2020	Award	18,348	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	May 19, 2020	AwardD (derivative)	14,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
Personalis, Inc.Listing on record	Feb 11, 2020	Exercise	4,167	3.80 USD	$15.8K		SEC
Personalis, Inc.Listing on record	Feb 11, 2020	ExerciseD (derivative)	-4,167	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NATUS MEDICAL INCListing unverified	Aug 2, 2019	Sell	-12,632	31.94 USD	$403.5K		SEC
IRIDEX CORPListing on record	Jul 25, 2019	Award	11,204	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NATUS MEDICAL INCListing unverified	Jul 2, 2019	Award	5,846	25.66 USD	$150K		SEC
Personalis, Inc.Listing on record	Jun 24, 2019	Buy	70,000	17.00 USD	$1.2M	conv 73Unusual sizeFirst in 12mo	SEC
NATUS MEDICAL INCListing unverified	Jun 13, 2019	Sell	-4,250	24.41 USD	$103.7K		SEC
NATUS MEDICAL INCListing unverified	Jun 4, 2019	Sell	-6,000	24.84 USD	$149K		SEC
NATUS MEDICAL INCListing unverified	May 13, 2019	Sell	-7,515	26.28 USD	$197.5K		SEC
IRIDEX CORPListing on record	Apr 4, 2019	AwardD (derivative)	15,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NATUS MEDICAL INCListing unverified	Dec 3, 2018	Sell	-10,000	34.93 USD	$349.3K		SEC
NATUS MEDICAL INCListing unverified	Dec 3, 2018	Sell	-20,000	29.06 USD	$581.2K	Unusual size	SEC
NATUS MEDICAL INCListing unverified	Aug 6, 2018	Exercise	3,000	24.50 USD	$73.5K	Unusual size	SEC