Stock Trading History of Berkle Sheldon

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Berkle Sheldon since year 2005. The trader's CIK number is 1350078. At the time of this reporting, Berkle Sheldon is the President and CEO of Altus Pharmaceuticals Inc. (stock ticker symbol ALTU).

Stock purchases, sales, and option exercises reported by *Berkle Sheldon* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-12-13	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	32,000	3.92	125,440
2007-08-01	ALTU	Altus Pharmaceuticals Inc.	Sale	3,250	9.89	32,142
2007-08-01	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	3,250	3.92	12,740
2007-07-19	ALTU	Altus Pharmaceuticals Inc.	Sale	8,000	11.54	92,320
2007-07-18	ALTU	Altus Pharmaceuticals Inc.	Sale	11,500	11.54	132,710
2007-07-19	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	8,000	3.92	31,360
2007-07-18	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	11,500	3.92	45,080
2007-04-02	ALTU	Altus Pharmaceuticals Inc.	Sale	9,750	15.03	146,542
2007-04-02	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	9,750	3.92	38,220
2007-03-01	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	9,750	3.92	38,220
2007-03-01	ALTU	Altus Pharmaceuticals Inc.	Sale	9,750	15.68	152,880
2007-02-01	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	9,750	3.92	38,220
2007-02-01	ALTU	Altus Pharmaceuticals Inc.	Sale	9,750	18.25	177,937
2007-01-03	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	9,750	3.92	38,220
2007-01-03	ALTU	Altus Pharmaceuticals Inc.	Sale	9,750	18.88	184,080
2006-12-22	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	8,000	3.92	31,360
2006-12-20	ALTU	Altus Pharmaceuticals Inc.	Sale	6,500	20.07	130,455
2006-12-20	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	6,500	3.92	25,480
2006-12-01	ALTU	Altus Pharmaceuticals Inc.	Sale	9,750	17.87	174,232
2006-12-01	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	9,750	3.92	38,220
2006-11-01	ALTU	Altus Pharmaceuticals Inc.	Option Exercise	9,750	3.92	38,220
2006-11-01	ALTU	Altus Pharmaceuticals Inc.	Sale	9,750	16.07	156,682

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Berkle Sheldon (President and CEO of Altus Pharmaceuticals Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.