LUDVIGSON DAVID

Director at CORGENIX MEDICAL CORP/CO · on record since Sep 29, 2010
President & COO at NGEN, INC. · on record since Jun 2, 2004
Director at ARGONAUT TECHNOLOGIES INC · on record since Jun 14, 2004
Director at NANOMIX Corp · on record since Jun 29, 2021
Interim CFO at NANOMIX Corp · on record since Jun 29, 2021

Insider trading activity of LUDVIGSON DAVID

Transactions on record: 29; since Jan 6, 2004

Open-market buys: 4; $9K

Open-market sells: 1; $166.7K

Companies traded: 4; last filing Dec 16, 2022

Figures computed from official regulatory filings — .

Companies where LUDVIGSON DAVID has traded

NANOMIX Corp2 tx · $2.5K · Dec 16, 2022
CORGENIX MEDICAL CORP/CO8 tx · $20.8K · Mar 11, 2015
NGEN, INC.18 tx · $3.5M · Jan 21, 2009
ARGONAUT TECHNOLOGIES INC1 tx · Jun 14, 2004

Track record of LUDVIGSON DAVID

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

Transaction history of LUDVIGSON DAVID

Co-insiders of LUDVIGSON DAVID

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
NANOMIX CorpListing unverified	Dec 16, 2022	OtherD (derivative)	-42,195	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NANOMIX CorpListing unverified	Dec 16, 2022	Other	42,195	0.06 USD	$2.5K		SEC
CORGENIX MEDICAL CORP/COListing unverified	Mar 11, 2015	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
CORGENIX MEDICAL CORP/COListing unverified	Mar 11, 2015	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
CORGENIX MEDICAL CORP/COListing unverified	Mar 11, 2015	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
CORGENIX MEDICAL CORP/COListing unverified	Mar 11, 2015	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
CORGENIX MEDICAL CORP/COListing unverified	Aug 29, 2013	AwardD (derivative)	40,000	0.22 USD	$8.8K		SEC
CORGENIX MEDICAL CORP/COListing unverified	Aug 30, 2012	AwardD (derivative)	40,000	0.10 USD	$4K		SEC
CORGENIX MEDICAL CORP/COListing unverified	Jan 19, 2012	AwardD (derivative)	40,000	0.09 USD	$3.6K		SEC
CORGENIX MEDICAL CORP/COListing unverified	Sep 29, 2010	AwardD (derivative)	40,000	0.11	$4.4K		SEC
NGEN, INC.Listing unverified	Jan 21, 2009	Buy	1,666	0.12	$199.9	conv 39Cluster	SEC
NGEN, INC.Listing unverified	Jul 3, 2008	Buy	1,666	0.31	$516.5	conv 56ClusterFirst in 12mo	SEC
NGEN, INC.Listing unverified	Apr 23, 2008	AwardD (derivative)	300,000	—	n/a (No price was disclosed in the filing)		SEC
NGEN, INC.Listing unverified	Jun 15, 2007	AwardD (derivative)	300,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NGEN, INC.Listing unverified	Dec 14, 2006	AwardD (derivative)	155,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NGEN, INC.Listing unverified	Dec 14, 2006	Award	-50,000	2.09	$104.5K		SEC
NGEN, INC.Listing unverified	Aug 2, 2005	Award	50,000	0.00 USD	$50		SEC
NGEN, INC.Listing unverified	Aug 2, 2005	AwardD (derivative)	75,000	4.40 USD	$330K		SEC
NGEN, INC.Listing unverified	Aug 2, 2005	Buy	1,666	2.50 USD	$4.2K	conv 37	SEC
NGEN, INC.Listing unverified	Aug 2, 2005	Buy	1,666	2.50 USD	$4.2K	conv 46First in 12mo	SEC
NGEN, INC.Listing unverified	Aug 2, 2004	AwardD (derivative)	150,000	4.70 USD	$705K		SEC
NGEN, INC.Listing unverified	Aug 2, 2004	Award	1,666	2.50 USD	$4.2K		SEC
ARGONAUT TECHNOLOGIES INCListing unverified	Jun 14, 2004	AwardD (derivative)	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NGEN, INC.Listing unverified	Jun 2, 2004	AwardD (derivative)	45,315	6.62 USD	$300K		SEC
NGEN, INC.Listing unverified	Jun 2, 2004	AwardD (derivative)	254,685	6.62 USD	$1.7M		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
NANOMIX CorpListing unverified	Dec 16, 2022	OtherD (derivative)	-42,195	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NANOMIX CorpListing unverified	Dec 16, 2022	Other	42,195	0.06 USD	$2.5K		SEC
CORGENIX MEDICAL CORP/COListing unverified	Mar 11, 2015	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
CORGENIX MEDICAL CORP/COListing unverified	Mar 11, 2015	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
CORGENIX MEDICAL CORP/COListing unverified	Mar 11, 2015	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
CORGENIX MEDICAL CORP/COListing unverified	Mar 11, 2015	OtherD (derivative)	-40,000	—	n/a (No price was disclosed in the filing)		SEC
CORGENIX MEDICAL CORP/COListing unverified	Aug 29, 2013	AwardD (derivative)	40,000	0.22 USD	$8.8K		SEC
CORGENIX MEDICAL CORP/COListing unverified	Aug 30, 2012	AwardD (derivative)	40,000	0.10 USD	$4K		SEC
CORGENIX MEDICAL CORP/COListing unverified	Jan 19, 2012	AwardD (derivative)	40,000	0.09 USD	$3.6K		SEC
CORGENIX MEDICAL CORP/COListing unverified	Sep 29, 2010	AwardD (derivative)	40,000	0.11	$4.4K		SEC
NGEN, INC.Listing unverified	Jan 21, 2009	Buy	1,666	0.12	$199.9	conv 39Cluster	SEC
NGEN, INC.Listing unverified	Jul 3, 2008	Buy	1,666	0.31	$516.5	conv 56ClusterFirst in 12mo	SEC
NGEN, INC.Listing unverified	Apr 23, 2008	AwardD (derivative)	300,000	—	n/a (No price was disclosed in the filing)		SEC
NGEN, INC.Listing unverified	Jun 15, 2007	AwardD (derivative)	300,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NGEN, INC.Listing unverified	Dec 14, 2006	AwardD (derivative)	155,000	0.00	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NGEN, INC.Listing unverified	Dec 14, 2006	Award	-50,000	2.09	$104.5K		SEC
NGEN, INC.Listing unverified	Aug 2, 2005	Award	50,000	0.00 USD	$50		SEC
NGEN, INC.Listing unverified	Aug 2, 2005	AwardD (derivative)	75,000	4.40 USD	$330K		SEC
NGEN, INC.Listing unverified	Aug 2, 2005	Buy	1,666	2.50 USD	$4.2K	conv 37	SEC
NGEN, INC.Listing unverified	Aug 2, 2005	Buy	1,666	2.50 USD	$4.2K	conv 46First in 12mo	SEC
NGEN, INC.Listing unverified	Aug 2, 2004	AwardD (derivative)	150,000	4.70 USD	$705K		SEC
NGEN, INC.Listing unverified	Aug 2, 2004	Award	1,666	2.50 USD	$4.2K		SEC
ARGONAUT TECHNOLOGIES INCListing unverified	Jun 14, 2004	AwardD (derivative)	25,000	0.00 USD	n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise))		SEC
NGEN, INC.Listing unverified	Jun 2, 2004	AwardD (derivative)	45,315	6.62 USD	$300K		SEC
NGEN, INC.Listing unverified	Jun 2, 2004	AwardD (derivative)	254,685	6.62 USD	$1.7M		SEC