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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1457612	Genocea Biosciences Inc.	GNCA	Biological Products, (No Disgnostic Substances) (2836)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1591874	Paul Giannasca	C/O Genocea Biosciences, Inc. 100 Acorn Park Drive, 5Th Floor Cambridge MA 02140	Vp Of Development	No	Yes	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	Acquisiton	2014-09-11	4,071	$2.02	4,071	No	4	M	Direct
Common Stock	Disposition	2014-09-11	4,071	$11.84	0	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Stock Option (Right to Buy)	Disposition	2014-09-11	4,071	$0.00	4,071	$2.02

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
4,259		2021-02-16	No	4	M	Direct

Footnotes

The option vests in equal monthly installments over four years beginning on the date of grant (02/17/2011).
The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $11.71 to $11.90. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer 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 footnote.