Ironwood Pharmaceuticals (IRWD) Form 4 IRONWOOD PHARMACEUTICALS / Mark G Currie 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^*

Currie Mark G

(Last) (First) (Middle)

C/O IRONWOOD PHARMACEUTICALS, INC.

301 BINNEY STREET

(Street)

CAMBRIDGE MA 02142

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
IRONWOOD PHARMACEUTICALS INC [ IRWD ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Chief Scientific Officer

3. Date of Earliest Transaction (Month/Day/Year)
10/04/2018

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
Class A Common Stock	10/04/2018		M		40,556	A	$11.25	70,680	D
Class A Common Stock	10/04/2018		M		34,479	A	$11.11	105,159	D
Class A Common Stock	10/04/2018		M		41,615	A	$10.24	146,774	D
Class A Common Stock	10/04/2018		S(1)		94,456	D	$17.94(2)	52,318	D
Class A Common Stock	10/04/2018		S(1)		22,194	D	$18.75(3)	30,124	D
Class A Common Stock	10/05/2018		M		40,556	A	$11.25	70,680	D
Class A Common Stock	10/05/2018		M		34,480	A	$11.11	105,160	D
Class A Common Stock	10/05/2018		M		41,615	A	$10.24	146,775	D
Class A Common Stock	10/05/2018		S(1)		116,651	D	$17.53(4)	30,124	D
Class B Common Stock								775,000	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
Employee Stock Option (Right to Buy)	$11.25	10/04/2018		M			40,556	(5)	02/02/2020	Class A Common Stock	40,556	$0.00	49,444	D
Employee Stock Option (Right to Buy)	$11.11	10/04/2018		M			34,479	(6)	02/01/2021	Class A Common Stock	34,479	$0.00	75,521	D
Employee Stock Option (Right to Buy)	$10.24	10/04/2018		M			41,615	(7)	03/01/2026	Class A Common Stock	41,615	$0.00	193,385	D
Employee Stock Option (Right to Buy)	$11.25	10/05/2018		M			40,556	(5)	02/02/2020	Class A Common Stock	40,556	$0.00	8,888	D
Employee Stock Option (Right to Buy)	$11.11	10/05/2018		M			34,480	(6)	02/01/2021	Class A Common Stock	34,480	$0.00	41,041	D
Employee Stock Option (Right to Buy)	$10.24	10/05/2018		M			41,615	(7)	03/01/2026	Class A Common Stock	41,615	$0.00	151,770	D

Explanation of Responses:

1. This sale was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.

2. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.37 to $18.36, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

3. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.37 to $19.14, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

4. The price reported is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.22 to $17.79, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote.

5. The option vested as to 1.25% of the shares of Class A Common Stock on each monthly anniversary of January 1, 2010 for the first 36 months, and as to 4.5833% of the shares of Class A Common Stock on each monthly anniversary thereafter. The option was fully vested as of January 1, 2014.

6. The option, granted as an annual performance award, vested as to 1.25% of the shares of Class A Common Stock on each monthly anniversary of January 1, 2011 for the first 36 months, and as to 4.5833% of the shares of Class A Common Stock on each monthly anniversary thereafter. The option was fully vested as of January 1, 2015.

7. The option, granted as an annual performance award, vests as to 2.08333% of the shares of Class A Common Stock on each monthly anniversary of January 1, 2016.

Remarks:

	/s/ Conor Kilroy, Attorney-in-Fact	10/09/2018
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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