Enanta Pharmaceuticals (ENTA) Form 4 ENANTA PHARMACEUTICALS / Nathalie Adda ownership change

SEC Form 4

FORM 4

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
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

Adda Nathalie

(Last) (First) (Middle)

C/O ENANTA PHARMACEUTICALS, INC.

500 ARSENAL STREET

(Street)

WATERTOWN MA 02472

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
ENANTA PHARMACEUTICALS INC [ ENTA ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Sr. VP & Chief Medical Officer

3. Date of Earliest Transaction (Month/Day/Year)
05/16/2018

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	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
Common Stock	05/16/2018		M		2,955	A	$43.46	8,955	D
Common Stock	05/16/2018		S(1)		400	D	$103.8451(2)	8,555	D
Common Stock	05/16/2018		S(1)		800	D	$104.805(3)	7,755	D
Common Stock	05/16/2018		S(1)		2,955	D	$105.5672(4)	4,800	D

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 (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	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 (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (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: 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
Stock Option (Right to Buy)	$43.46	05/16/2018		M			2,955	(5)	06/29/2025	Common Stock	2,955	$0	84,090	D

Explanation of Responses:

1. The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in March 2018.

2. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $103.64 to $103.96, inclusive.

3. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $104.47 to $104.95, inclusive.

4. The price reported in Column 4 is a weighted-average price. These shares were sold in multiple transactions at prices ranging from $105.01 to $106.00, inclusive.

5. The option, representing a right to purchase a total of 90,000 shares, became or will become exercisable as follows: twenty-five percent (25%) of the shares subject to such option became exercisable on June 29, 2016 (the "Anniversary Date") and the remainder became or will become exercisable quarterly in substantially equal installments (any fractional shares to be cumulated and to become exercisable at the end of the earliest succeeding quarterly period in which a whole share equivalent is accumulated) over three years after the Anniversary Date.

Remarks:

	/s/ Nathaniel S. Gardiner as attorney-in-fact	05/18/2018
	** Signature of Reporting Person	Date
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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