Insider filing report for Changes in Beneficial Ownership
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The following is an SEC EDGAR document rendered as filed.
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FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Dumas Jacques
2. Issuer Name and Ticker or Trading Symbol
TETRAPHASE PHARMACEUTICALS INC [ TTPH]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
X __ Officer (give title below) _____ Other (specify below)
Chief ScientificOfficer
(Last)
(First)
(Middle)
C/O TETRAPHASE PHARMACEUTICALS, INC., 480 ARSENAL STREET
3. Date of Earliest Transaction (MM/DD/YY)
01/17/2019
(Street)
WATERTOWN, MA02472
4. If Amendment, Date Original Filed (MM/DD/YY)
6. Individual or Joint/Group Filing (Check Applicable Line)
__ X __ Form filed by One Reporting Person
_____ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(MM/DD/YY)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Restricted Stock Unit ( 1 ) 01/17/2019 A 40,000 ( 2 ) ( 2 ) Common Stock 40,000 $ 0 40,000 D
Restricted Stock Units ( 1 ) 01/17/2019 A 140,000 ( 3 ) ( 3 ) Common Stock 140,000 $ 0 140,000 D
Reporting Owners
Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Dumas Jacques
C/O TETRAPHASE PHARMACEUTICALS, INC.
480 ARSENAL STREET
WATERTOWN, MA02472
Chief ScientificOfficer
Signatures
/s/Maria Stahl as Attorney-in-Fact for Jacques Dumas 01/18/2019
** Signature of Reporting Person Date
Explanation of Responses:
( 1 )Each restricted stock unit represents a contingent right to receive one share of common stock of Tetraphase Pharmaceuticals, Inc. for no consideration.
( 2 )These restricted stock units shall be eligible to vest upon achievement of certain performance conditions and, if such conditions are met, shall vest on various dates beginning no earlier than March 1, 2020 and ending no later than March 1, 2022.
( 3 )The restricted stock units vest in three equal installments on each of January 17, 2020, January 17, 2021 and January 17, 2022.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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