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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1158223	Affymax Inc	AFFY	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1419580	Robert Venteicher	C/O Affymax, Inc. 4001 Miranda Ave. Palo Alto CA 94304	Svp, Technical Operations	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
Common Stock	Acquisiton	2012-10-10	10,000	$5.83	34,994	No	4	M	Direct
Common Stock	Acquisiton	2012-10-10	17,974	$10.99	52,968	No	4	M	Direct
Common Stock	Acquisiton	2012-10-10	12,000	$21.74	64,968	No	4	M	Direct
Common Stock	Acquisiton	2012-10-10	10,937	$15.00	75,905	No	4	M	Direct
Common Stock	Disposition	2012-10-10	17,974	$24.00	57,931	No	4	S	Direct
Common Stock	Disposition	2012-10-10	32,937	$25.00	24,994	No	4	S	Direct
Common Stock	Acquisiton	2012-10-11	521	$24.50	25,515	No	4	M	Direct
Common Stock	Acquisiton	2012-10-11	19,493	$24.87	45,008	No	4	M	Direct
Common Stock	Disposition	2012-10-11	20,014	$27.00	24,994	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	M	Direct
No	4	S	Direct
No	4	S	Direct
No	4	M	Direct
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	2012-10-10	10,000	$0.00	10,000	$5.83
Common Stock	Stock Option (Right to Buy)	Disposition	2012-10-10	17,974	$0.00	17,974	$10.99
Common Stock	Stock Option (Right to Buy)	Disposition	2012-10-10	12,000	$0.00	12,000	$21.74
Common Stock	Stock Option (Right to Buy)	Disposition	2012-10-10	10,937	$0.00	10,937	$15.00
Common Stock	Stock Option (Right to Buy)	Disposition	2012-10-11	521	$0.00	521	$24.50
Common Stock	Stock Option (Right to Buy)	Disposition	2012-10-11	19,493	$0.00	19,493	$24.87

Remaning Holdings	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
20,000	2020-09-21	No	4	M	Direct
2,062	2019-01-14	No	4	M	Direct
0	2017-12-17	No	4	M	Direct
0	2018-05-28	No	4	M	Direct
24,479	2020-01-06	No	4	M	Direct
25,507	2017-09-04	No	4	M	Direct

Footnotes

The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan.
The shares vest and become exercisable in a series of forty-eight (48) successive equal monthly installments over the four (4) year period measured from September 22, 2010.
The shares vest and become exercisable in a series of forty-eight (48) successive equal monthly installments over the four (4) year period measured from January 1, 2009.
The shares subject to the option vest and become exercisable in a series of forty-eight (48) successive monthly installments over a four year period measured from January 1, 2008.
The shares vest and become exercisable in a series of forty-eight (48) successive equal monthly installments over the four (4) year period measured from June 1, 2008.
The shares vest and become exercisable in a series of forty-eight (48) successive equal monthly installments over the four (4) year period measured from January 1, 2010.
1/4th of the shares vest and become exercisable one year from the vesting commencement date and the balance of the shares vest and become exercisable in a series of thirty-six (36) successive equal monthly installments measured fron July 30, 2007.