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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	Insider Title	Director	Officer	Large Shareholder	Other
1296998	Guy Macdonald	480 Arsenal St. Suite 110 Watertown MA 02472	President And Chief Executive	Yes	Yes	No	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	Acquisiton	2014-07-18	40,000	$0.87	40,000	No	4	M	Direct
Common Stock	Disposition	2014-07-18	15,000	$10.61	25,000	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership	Explanation
No	4	M	Direct
No	4	S	Direct

Reported Derivative Transactions

Sec. Name	Sec. Type	Acquisiton - Disposition	Date	Amount	Price	Amount - 2	Price - 2
Common Stock	Employee Stock Option (right to buy)	Disposition	2014-07-18	40,000	$0.00	40,000	$0.87

Remaning Holdings	Exercise Date	Expiration Date	Equity Swap Involved	Transaction Form Type	Transaction Code	Nature of Ownership
155,172		2019-09-10	No	4	M	Direct

Footnotes

The exercise and sale of 15,000 shares reported in this Form 4 was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 9, 2013.
The price reported represents the weighted average sales price of shares sold in multiple transactions at prices ranging from $10.06 to $10.83 per share. The reporting person hereby undertakes, upon request of the staff of the U.S. Securities and Exchange Commission, the issuer, or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price.
Fully vested.
The number of derivative securities beneficially owned following the transaction reported on this Form 4 has been adjusted to reflect the additional 159,323 incentive stock options owned by the reporting person, and previously reported as a separate option owned by the reporting person, in addition to the non-qualified stock options that were previously reported in the Form 4 filed by the reporting person.