Three Arch Management IV, L.L.C.

10% owner at NORTH AMERICAN SCIENTIFIC INC · on record since Jun 8, 2006
10% owner at ACELRX PHARMACEUTICALS INC · on record since Feb 18, 2011
Director at CONCERT PHARMACEUTICALS, INC. · on record since Feb 21, 2014
10% owner at CONCERT PHARMACEUTICALS, INC. · on record since Feb 21, 2014
Former 10% Beneficial Owner at NEVRO CORP · on record since Nov 12, 2014
10% owner at NEVRO CORP · on record since Nov 5, 2014

Insider trading activity of Three Arch Management IV, L.L.C.

Transactions on record: 34; since Feb 21, 2014

Open-market buys: 2; $1.4M

Open-market sells: 8; $3.3M

Companies traded: 2; last filing Aug 17, 2015

Figures computed from official regulatory filings — .

Companies where Three Arch Management IV, L.L.C. has traded

CONCERT PHARMACEUTICALS, INC.22 tx · $4.7M · Aug 17, 2015
NEVRO CORP12 tx · Nov 12, 2014

Track record of Three Arch Management IV, L.L.C.

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

Transaction history of Three Arch Management IV, L.L.C.

Co-insiders of Three Arch Management IV, L.L.C.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Src
CONCERT PHARMACEUTICALS, INC.	Aug 17, 2015	Sell	-45,112	16.75 USD	$755.6K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 17, 2015	Sell	-43,755	16.75 USD	$732.9K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 17, 2015	Sell	-2,352	16.75 USD	$39.4K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 17, 2015	Sell	-996	16.75 USD	$16.7K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 14, 2015	Sell	-46,398	17.49 USD	$811.5K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 14, 2015	Sell	-2,494	17.49 USD	$43.6K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 14, 2015	Sell	-47,837	17.49 USD	$836.7K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 14, 2015	Sell	-1,056	17.49 USD	$18.5K	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-204,076	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-28,090	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	4,506	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-4,506	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-1,272,187	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	28,090	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	204,076	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	15,069	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-682,475	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	1,272,187	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-15,069	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	682,475	—	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	Other	5,735	—	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	OtherD (derivative)	-1,956,794	0.00 USD	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	OtherD (derivative)	-1,467,595	0.00 USD	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	OtherD (derivative)	-8,641	0.00 USD	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	Other	259,751	—	—	SEC

Company	Filed	Type	Qty	Price	Value · USD	Src
CONCERT PHARMACEUTICALS, INC.	Aug 17, 2015	Sell	-45,112	16.75 USD	$755.6K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 17, 2015	Sell	-43,755	16.75 USD	$732.9K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 17, 2015	Sell	-2,352	16.75 USD	$39.4K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 17, 2015	Sell	-996	16.75 USD	$16.7K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 14, 2015	Sell	-46,398	17.49 USD	$811.5K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 14, 2015	Sell	-2,494	17.49 USD	$43.6K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 14, 2015	Sell	-47,837	17.49 USD	$836.7K	SEC
CONCERT PHARMACEUTICALS, INC.	Aug 14, 2015	Sell	-1,056	17.49 USD	$18.5K	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-204,076	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-28,090	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	4,506	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-4,506	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-1,272,187	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	28,090	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	204,076	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	15,069	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-682,475	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	1,272,187	—	—	SEC
NEVRO CORP	Nov 12, 2014	OtherD (derivative)	-15,069	—	—	SEC
NEVRO CORP	Nov 12, 2014	Other	682,475	—	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	Other	5,735	—	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	OtherD (derivative)	-1,956,794	0.00 USD	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	OtherD (derivative)	-1,467,595	0.00 USD	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	OtherD (derivative)	-8,641	0.00 USD	—	SEC
CONCERT PHARMACEUTICALS, INC.	Feb 21, 2014	Other	259,751	—	—	SEC