Ridgeback Capital Investments Ltd.

10% owner at Theriva Biologics, Inc. · on record since Nov 29, 2006
10% owner at Acorda Therapeutics, Inc. · on record since Oct 5, 2006
10% owner at PENNSYLVANIA POWER CO · on record since Nov 13, 2007
10% owner at SEQUENOM INC · on record since Jun 30, 2008
10% owner at IRONWOOD PHARMACEUTICALS INC · on record since Feb 8, 2010
10% owner at Verastem, Inc. · on record since Jan 21, 2020

Insider trading activity of Ridgeback Capital Investments Ltd.

Transactions on record: 45; since Nov 13, 2007

Open-market buys: 10; $23.9M

Open-market sells: 33; $17.4M

Companies traded: 3; last filing Feb 9, 2012

Figures computed from official regulatory filings — .

Companies where Ridgeback Capital Investments Ltd. has traded

IRONWOOD PHARMACEUTICALS INC33 tx · $17.4M · Feb 9, 2012
SEQUENOM INC10 tx · $23.9M · Sep 11, 2008
PENNSYLVANIA POWER CO2 tx · $458K · Nov 13, 2007

Track record of Ridgeback Capital Investments Ltd.

Open-market buys: 10

Last buy: Sep 10, 2008

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 Ridgeback Capital Investments Ltd.

Co-insiders of Ridgeback Capital Investments Ltd.

This page republishes public regulatory disclosures.

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-17,122	12.39 USD	$212.1K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-21,200	11.84 USD	$251K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-50,000	11.55 USD	$577.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-29,349	13.69 USD	$401.8K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-100,000	12.85 USD	$1.3M		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-38,993	12.23 USD	$476.9K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-22,330	11.49 USD	$256.6K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-25,400	14.03 USD	$356.4K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-22,759	11.55 USD	$262.9K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-192,600	13.94 USD	$2.7M	Unusual size	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-49,700	10.86 USD	$539.7K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-50,000	10.91 USD	$545.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-34,900	13.00 USD	$453.7K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-25,000	13.03 USD	$325.8K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-15,400	14.29 USD	$220.1K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-13,355	11.10 USD	$148.2K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-8,837	11.85 USD	$104.7K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-50,000	11.89 USD	$594.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-5,000	11.22 USD	$56.1K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-51,472	10.98 USD	$565.2K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-15,017	10.89 USD	$163.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-1,600	10.91 USD	$17.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-12,922	10.86 USD	$140.3K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-200,000	12.71 USD	$2.5M	Unusual size	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-2,584	13.81 USD	$35.7K		SEC

Company	Filed	Type	Qty	Price	Value · USD	Signals	Src
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-17,122	12.39 USD	$212.1K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-21,200	11.84 USD	$251K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-50,000	11.55 USD	$577.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-29,349	13.69 USD	$401.8K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-100,000	12.85 USD	$1.3M		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-38,993	12.23 USD	$476.9K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-22,330	11.49 USD	$256.6K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-25,400	14.03 USD	$356.4K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-22,759	11.55 USD	$262.9K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-192,600	13.94 USD	$2.7M	Unusual size	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-49,700	10.86 USD	$539.7K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-50,000	10.91 USD	$545.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-34,900	13.00 USD	$453.7K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-25,000	13.03 USD	$325.8K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-15,400	14.29 USD	$220.1K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-13,355	11.10 USD	$148.2K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-8,837	11.85 USD	$104.7K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-50,000	11.89 USD	$594.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-5,000	11.22 USD	$56.1K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-51,472	10.98 USD	$565.2K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-15,017	10.89 USD	$163.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-1,600	10.91 USD	$17.5K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-12,922	10.86 USD	$140.3K		SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-200,000	12.71 USD	$2.5M	Unusual size	SEC
IRONWOOD PHARMACEUTICALS INCListing on record	Feb 9, 2012	Sell	-2,584	13.81 USD	$35.7K		SEC