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Filing Details

Accession Number:: 0001104659-16-106360
Form Type:: 4
Zero Holdings:: No
Publication Time:: 2016-03-18 16:30:49
Reporting Period:: 2016-03-18

Filing Date:: 2016-03-18
Accepted Time:: 2016-03-18 16:30:49
SEC Url:: Form 4 Filing

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1491576	Tesaro Inc.	TSRO	()	4

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1184592	C Beth Seidenberg	C/O Tesaro, Inc. 1000 Winter Street, Suite 3300 Waltham MA 02451		Yes	No	No	No

Reported Non-Derivative Transactions

Show Other Fields >>

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
Common Stock	Acquisiton	2016-03-18	1,310,031	$35.19	2,686,268	No	4	P	Indirect	See footnotes
Common Stock	Acquisiton	2016-03-18	110,827	$35.19	227,255	No	4	P	Indirect	See footnotes

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	P	Indirect	See footnotes
No	4	P	Indirect	See footnotes

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	20,388	Direct
Common Stock	205	Indirect	By Michael J. Seidenberg Irrevocable Trust
Common Stock	205	Indirect	By Samuel B. Seidenberg Irrevocable Trust

Footnotes

The shares were acquired upon the closing of a private placement that was publicly disclosed by the Issuer on February 25, 2016.
The shares are held directly by Kleiner Perkins Caufield & Byers XIV, LLC ("KPCB XIV"). The managing member of KPCB XIV is KPCB XIV Associates, LLC ("KPCB XIV Associates"), of which the Reporting Person is a member. The voting and dispositive control over the shares is shared by the members of KPCB XIV Associates. The shares are held for convenience in the name of "KPCB Holdings, Inc. as nominee."
The Reporting Person disclaims beneficial ownership over all Issuer shares held for convenience in the name of "KPCB Holdings, Inc. as nominee," except to the extent of her pecuniary interest therein, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these shares for the purposes of Section 16 or for any other purpose.
The shares are held directly by KPCB XIV Founders Fund, LLC ("KPCB XIV Founders"). The managing member of KPCB XIV Founders is KPCB XIV Associates, of which the Reporting Person is a member. The voting and dispositive control over the shares is shared by the members of KPCB XIV Associates. The shares are held for convenience in the name of "KPCB Holdings, Inc. as nominee."
The Reporting Person and her spouse are co-trustees of the trust and their son is beneficiary of the trust. The Reporting Person disclaims beneficial ownership of these shares, except to the extent of her pecuniary interest therein, and the filing of this report is not an admission that the Reporting Person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.