13G Filing: Partner Fund Management and Myokardia Inc (MYOK)

C.

Brian D. Grossman

(a)

Grossman may be deemed to beneficially own 1,665,197 shares of Common Stock.

(b)

The number of shares Grossman may be deemed to beneficially own constitutes approximately 5.3% of the Common Stock outstanding.

(c)

Number of shares as to which such person has:

(i)

sole power to vote or to direct the vote: 0

(ii)

shared power to vote or to direct the vote: 1,665,197

(iii)

sole power to dispose or to direct the disposition of: 0

(iv)

shared power to dispose or to direct the disposition of: 1,665,197

D.

Christopher M. James

(a)

James may be deemed to beneficially own 1,665,197 shares of Common Stock.

(b)

The number of shares James may be deemed to beneficially own constitutes approximately 5.3% of the Common Stock outstanding.

(c)

Number of shares as to which such person has:

(i)

sole power to vote or to direct the vote: 0

(ii)

shared power to vote or to direct the vote: 1,665,197

(iii)

sole power to dispose or to direct the disposition of: 0

(iv)

shared power to dispose or to direct the disposition of: 1,665,197

Item 5

Ownership of Five Percent or Less of a Class

If this statement is being filed to
report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of
the class of securities, check the following [_].

 

Item 6

Ownership of More than Five Percent on Behalf of Another Person

Not Applicable

 

Item 7

Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding Company

See Item 2 above

 

Item 8

Identification and Classification of Members of the Group

Not Applicable