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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1269021	Portola Pharmaceuticals Inc	PTLA	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1252522	Nicholas Galakatos	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116		Yes	No	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Disposition	2014-06-10	965	$23.36	0	No	4	S	Direct
Common Stock	Disposition	2014-06-10	404	$23.36	0	No	4	S	Indirect	See footnote

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	S	Direct
No	4	S	Indirect	See footnote

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	19,672	Indirect	MPM Asset Management Investors 2003 BVIII LLC
Common Stock	85,874	Indirect	MPM BioVentures III GmbH & Co. Beteiligungs KG
Common Stock	30,686	Indirect	MPM BioVentures III Parallel Fund, L.P.
Common Stock	68,320	Indirect	MPM BioVentures III, L.P.
Common Stock	1,016,120	Indirect	MPM BioVentures III-QP, L.P.

Footnotes

The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $23.22 to $23.76, inclusive. The reporting person undertakes to provide Portola Pharmaceuticals, Inc., any security holder of Portola Pharmaceuticals, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this Form 4.
These shares were held by AAG Peakham LLC. Dr. Galakatos is a manager of AAG Peakham LLC.
MPM BioVentures III GP, L.P. and MPM BioVentures III LLC ("MPM III LLC") are the direct and indirect general partners of MPM BioVentures III, L.P., MPM BioVentures III-QP, L.P., MPM BioVentures III GmbH & Co. Beteiligungs KG and MPM BioVentures III Parallel Fund, L.P. Dr. Galakatos is a Series A Member of MPM BioVentures III LLC and Manager of MPM Asset Management Investors 2003 BVIII LLC and shares voting and dispositive power over the shares held by MPM BioVentures III, L.P., MPM BioVentures III-QP, L.P., MPM BioVentures III GmbH & Co. Beteiligungs KG, MPM BioVentures III Parellel Fund, L.P. and MPM Asset Management Investors 2003 BVIII LLC. Dr. Galakatos disclaims beneficial ownership of the shares identified in this footnote except to the extent of his respective proportionate pecuniary interest in such share.