1. Company Directors - D
2. Desouza Errol B

Insider Trading History of Desouza Errol B

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Desouza Errol B since 2007. The trader's CIK number is 1213895. At the time of the last reporting, Desouza Errol B was the Officer of Albireo Pharma, Inc.. (stock ticker symbol ALBO). Also see all insider trading activities at Albireo Pharma, Inc..

Note that in the past DESOUZA ERROL B also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Albireo Pharma, Inc. (BIOD) by Desouza Errol B

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	BIOD	0	$0	0	$0	131,128	$0
2014	BIOD	0	$0	0	$0	5,625	$0
2012	BIOD	10,000	$33,400	0	$0	5,625	$0
2012	BIOD	0	$0	0	$0	157,500	$0
2011	BIOD	0	$0	0	$0	22,097	$7,474

Yearly summary of insider trading at Catalyst Biosciences, Inc. (TRGT) by Desouza Errol B

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2007	TRGT	0	$0	0	$0	4,333	$324

Insider trading activities at 2 companies by Desouza Errol B:

1. Albireo Pharma, Inc. (BIOD)

2. Catalyst Biosciences, Inc. (TRGT)

Table 1. Insider trading of Albireo Pharma, Inc. (BIOD) by Desouza Errol B

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-09-30	BIOD	Option Ex	131,128	.00	0
2014-03-12	BIOD	Option Ex	5,625	.00	0
2012-09-20	BIOD	Buy	10,000	3.34	33,400
2013-03-12	BIOD	Option Ex	5,625	.00	0
2012-09-30	BIOD	Option Ex	56,250	.00	0
2012-09-30	BIOD	Option Ex	56,250	.00	0
2012-03-12	BIOD	Option Ex	45,000	.00	0
2011-11-09	BIOD	Option Ex	12,254	.61	7,474
2011-09-30	BIOD	Option Ex	9,843	.00	0

Table 2. Insider trading of Catalyst Biosciences, Inc. (TRGT) by Desouza Errol B

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2007-08-31	TRGT	Option Ex	3,333	.07	249
2007-02-01	TRGT	Option Ex	1,000	.07	75

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 Desouza Errol B (Officer of Albireo Pharma, Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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