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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
1373707	Tetraphase Pharmaceuticals Inc	TTPH	Pharmaceutical Preparations (2834)	000000000

Insiders

Cik	Name	Reported Address	Director	Officer	Large Shareholder	Other
1277503	Yasunori Kaneko	525 University Ave., Ste 610 Palo Alto CA 94301	No	No	Yes	No
1324617	P L Iv Fund Purchaser Qualified Partners Venture Skyline	525 University Ave., Ste 610 Palo Alto CA 94301	No	No	Yes	No
1392103	Skyline Venture Management Iv, Llc	525 University Ave., Ste 610 Palo Alto CA 94301	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
Common Stock	Acquisiton	2013-03-25	72,069	$0.00	82,414	No	4	C	Direct
Common Stock	Acquisiton	2013-03-25	94,003	$0.00	176,417	No	4	C	Direct
Common Stock	Acquisiton	2013-03-25	393,863	$0.00	570,280	No	4	C	Direct
Common Stock	Acquisiton	2013-03-25	938,853	$0.00	1,509,133	No	4	C	Direct
Common Stock	Acquisiton	2013-03-25	681,012	$7.00	2,190,145	No	4	P	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	C	Direct
No	4	C	Direct
No	4	C	Direct
No	4	C	Direct
No	4	P	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Series A-1 Convertible Participating Preferred Stock	Disposition	2013-03-25	2,090,000	$0.00	72,069	$0.00
Common Stock	Series A-2 Convertible Participating Preferred Stock	Disposition	2013-03-25	2,726,086	$0.00	94,003	$0.00
Common Stock	Series B Convertible Participating Preferred Stock	Disposition	2013-03-25	11,422,045	$0.00	393,863	$0.00
Common Stock	Series C Convertible Participating Preferred Stock	Disposition	2013-03-25	27,226,760	$0.00	938,853	$0.00

Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
No	4	C	Direct
No	4	C	Direct
No	4	C	Direct
No	4	C	Direct

Footnotes

The Series A-1, Series A-2, Series B and Series C Convertible Preferred Stock converted into Common Stock on a 1-for-29 basis upon the closing of the issuer's initial public offering without payment of consideration.
Skyline Venture Management IV, LLC is the General Partner of Skyline Venture Partners Qualified Purchaser IV L.P. Yasunori Kaneko is the Managing Director of Skyline Venture Management IV, LLC. Skyline Venture Management IV, LLC and this individual may be deemed to share voting and dispositive power with respect to all shares held by Skyline Venture Partners Qualified Purchaser IV L.P. Each of the filing persons disclaims beneficial ownership of the shares except to the extent of any pecuniary interest therein.
Not Applicable