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aTyr Pharma Inc (LIFE) Ownership Data

Short Interest History (%)

This is the historical short interest of aTyr Pharma Inc, as measured by the Short Percentage Of Shares Outstanding.

Institutional Ownership History (%)

This the Institutional Ownership History of aTyr Pharma IncPeter Lynch prefers to buy companies with low institutional ownership.

Insider ownership (%)

This is the historical insider ownership of aTyr Pharma Inc. It is usually better to buy companies with large insider ownership. The company insiders' interest are more aligned with external shareholders in this case.

Date Insider Ownership
April 30, 20152

Top Direct Holders

HolderPositionShares% of Shares
Outstanding
Report Date
Dr. John D. MendleinN/A245,9711.09%2015-05-12
John K. ClarkeN/A104,8780.47%2015-05-12
Ms. Melissa A. AshlockN/A68,1640.3%2015-05-06
Mr. Frederic ChereauN/A12,867less than 0.1%2015-05-06
Kathryn E. FalbergN/A12,572less than 0.1%2015-05-06
Amir NashatN/A12,572less than 0.1%2015-05-12
Dr. Paul R. Schimmel,PhDN/A12,572less than 0.1%2015-05-12
Dr. David M. Weiner, M.D.N/A5,028less than 0.1%2015-05-06
Mr. Stan BlackburnN/A2,149less than 0.1%2015-05-06
Mr. Holly D. ChrzanowskiN/A1,885less than 0.1%2015-05-06

Top Fund Holders

HolderSharesReport Date% of Shares
Outstanding
% of Total
Assets Managed
Market Value
Sofinnova Venture Partners IX LP1,866,1262015-05-060.000.000
Deerfield Management Co511,5282015-05-120.000.000

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