Home > Insider Trading > Filing (0001209191-14-020007)

Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1509190	Aratana Therapeutics Inc.	PETX	Pharmaceutical Preparations (2834)	383826477

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1134655	Ansbert Gadicke	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116	No	No	Yes	No
1134657	Luke Evnin	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116	No	No	Yes	No
1180429	M Vaughn Kailian	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116	No	No	Yes	No
1356950	Paul James Scopa	C/O Mpm Asset Management 601 Gateway Boulevard, Suite 350 South San Francisco CA 94080	No	No	Yes	No
1473930	Todd Foley	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116	No	No	Yes	No
1482714	Mpm Bioventures V Gp Llc	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116	No	No	Yes	No
1482715	Mpm Bioventures V Llc	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116	No	No	Yes	No
1482716	Mpm Bioventures V, L.p.	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116	No	No	Yes	No
1541412	Mpm Asset Management Investors Bv5 Llc	C/O Mpm Asset Management 200 Clarendon Street, 54Th Floor Boston MA 02116	No	No	Yes	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	2014-03-10	600,000	$20.02	2,751,048	No	4	S	Indirect	See Footnote

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

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	38,386	Indirect	By Luke Evnin
Common Stock	22,767	Indirect	By James Paul Scopa
Common Stock	17,937	Indirect	By Vaughn Kailian
Common Stock	37,117	Indirect	By MPM Capital LLC

Footnotes

The shares were sold as follows: 577,520 by MPM BioVentures V, L.P. ("BV V") and 22,480 by MPM Asset Management Investors BV5 LLC ("AM BV5"). MPM BioVentures V GP LLC and MPM BioVentures V LLC ("BV LLC") are the direct and indirect general partners of BV V and BV LLC is the manager of AM BV5. Ansbert Gadicke, Luke Evnin, Vaughn M. Kailian, James Paul Scopa and Todd Foley are the members of BV LLC. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.
The shares are held as follows: 2,647,974 by BV V and 103,074 by AM BV5. Each Reporting Person disclaims beneficial ownership of the securities except to the extent of his or its respective pecuniary interest therein.
Includes 2,627 shares held by The Vaughn and Patricia Kailian Revocable Trust u/a/dtd 12/18/1992, of which the Reporting Person is trustee.
Medical Portfolio Management LLC ("MPM Medical") is the managing member of MPM Capital LLC, and Messrs. Evnin and Gadicke are members of MPM Medical. Messrs. Evnin and Gadicke disclaim beneficial ownership of the shares held by MPM Capital LLC except to the extent of their respective pecuniary interests therein.