1. Company Directors - H
2. Holtzman Steven H

Insider Trading History of Holtzman Steven H

The following table details the insider trading activities (stock purchases, stock sales, and stock option exercises) by Holtzman Steven H since 2007. The trader's CIK number is 1300247. At the time of the last reporting, Holtzman Steven H was the President and CEO of Biogen Inc.. (stock ticker symbol BIIB). Also see all insider trading activities at Biogen Inc..

Note that in the past Holtzman Steven H also reported insider trading activities as an insider of the following companies:

Yearly summary of insider trading at Biogen Inc. (BIIB) by Holtzman Steven H

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2015	BIIB	0	$0	2,128	$828,026	11,496	$0
2014	BIIB	0	$0	10,134	$3,261,631	10,006	$0
2013	BIIB	0	$0	3,501	$836,668	2,344	$0
2012	BIIB	0	$0	0	$0	5,159	$0

Yearly summary of insider trading at Infinity Pharmaceuticals, Inc. (INFI) by Holtzman Steven H

		Insider Buying		Insider Sales		Option Exercises
Year	Symbol	Shares	Value	Shares	Value	Shares	Value
2012	INFI	0	$0	257,834	$3,352,417	0	$0
2008	INFI	22,103	$163,562	0	$0	88,742	$266,226
2007	INFI	5,000	$45,599	0	$0	0	$0

Insider trading activities at 2 companies by Holtzman Steven H:

1. Biogen Inc. (BIIB)

2. Infinity Pharmaceuticals, Inc. (INFI)

Table 1. Insider trading of Biogen Inc. (BIIB) by Holtzman Steven H

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2015-02-17	BIIB	Sale	2,128	389.11	828,026
2015-02-12	BIIB	Option Ex	3,634	.00	0
2015-02-08	BIIB	Option Ex	2,705	.00	0
2015-02-01	BIIB	Option Ex	5,157	.00	0
2014-12-02	BIIB	Sale	1,749	335.65	587,051
2014-11-11	BIIB	Sale	1,750	330.00	577,500
2014-10-01	BIIB	Sale	1,750	330.97	579,197
2014-05-19	BIIB	Sale	1,221	289.15	353,052
2014-04-17	BIIB	Sale	1,221	291.00	355,311
2014-03-17	BIIB	Sale	1,221	334.83	408,827
2014-02-18	BIIB	Sale	1,222	327.90	400,693
2014-02-12	BIIB	Option Ex	2,142	.00	0
2014-02-08	BIIB	Option Ex	2,705	.00	0
2014-02-01	BIIB	Option Ex	5,159	.00	0
2013-09-17	BIIB	Sale	3,501	238.98	836,668
2013-02-08	BIIB	Option Ex	2,344	.00	0
2012-02-01	BIIB	Option Ex	5,159	.00	0

Table 2. Insider trading of Infinity Pharmaceuticals, Inc. (INFI) by Holtzman Steven H

Trade Date	Symbol	Trade Type	Shares	Price ($)	Value ($)
2012-05-31	INFI	Sale	57,573	13.01	749,024
2012-05-30	INFI	Sale	10,958	13.00	142,454
2012-05-29	INFI	Sale	189,303	13.00	2,460,939
2008-10-27	INFI	Option Ex	88,742	3.00	266,226
2008-08-27	INFI	Buy	22,103	7.40	163,562
2007-09-14	INFI	Buy	5,000	9.12	45,599

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 Holtzman Steven H (President and CEO of Biogen Inc. at the time of this reporting) see the Securities and Exchange Commission (SEC) website.

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