Form 8-K
8-K — IRONWOOD PHARMACEUTICALS INC
Accession: 0001104659-26-059814
Filed: 2026-05-13
Period: 2026-05-08
CIK: 0001446847
SIC: 2834 (PHARMACEUTICAL PREPARATIONS)
Item: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
Current Report Pursuant to
Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of
Earliest Event Reported):
May 8, 2026
IRONWOOD
PHARMACEUTICALS, INC.
(Exact name of registrant as specified in its
charter)
Delaware
001-34620
04-3404176
(State
or other jurisdiction
(Commission File Number)
(I.R.S.
Employer
of
incorporation)
Identification
Number)
100
Summer Street, Suite
2300
Boston,
Massachusetts
02110
(Address
of principal
(Zip code)
executive
offices)
(617)
621-7722
(Registrant’s telephone number,
including area code)
Check the appropriate box below if the Form 8-K
filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):
¨ Written
communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨ Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨ Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨ Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading Symbol(s)
Name of each exchange on which
registered
Class
A common stock, $0.001 par value
IRWD
Nasdaq
Global Select Market
Indicate by check mark whether the registrant is
an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of
the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging
growth company ¨
If
an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying
with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨
Item 5.02 Departure of Directors
or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On
May 8, 2026, Gregory Martini notified Ironwood Pharmaceuticals, Inc. (the “Company”) that he is resigning from his position
as Senior Vice President, Chief Financial Officer, effective May 15, 2026. Mr. Martini’s resignation is not due to any disagreement
with the Company on any matter relating to the Company’s financial reporting.
Effective
May 15, 2026, Ronald Silver, age 44, the Company’s Senior Vice President, Corporate Controller and Chief Accounting Officer,
will also serve as the Company’s interim chief financial officer and principal financial officer. Mr. Silver joined the
Company in June 2018. Mr. Silver has served as the Company’s Senior Vice President, Corporate Controller and Chief Accounting
Officer since January 2025. Mr. Silver previously served as the Company’s Corporate Controller and principal accounting
officer from July 2021, Corporate Controller from April 2019 to July 2021, and Assistant Controller from June 2018 until April 2019.
Prior to joining the Company, Mr. Silver held various accounting and financial reporting positions at Eze Software Group LLC from
August 2014 to June 2018, including Director of Technical Accounting & Reporting from January 2016 to November 2016, and
Director of Accounting & Assistant Controller from December 2016 to June 2018. Earlier in his career, Mr. Silver held various
positions of increasing responsibility in the audit and consulting practices at RSM, LLP from August 2004 through August 2014. Mr.
Silver, a Certified Public Accountant, earned a B.S. in accounting from the University of Maryland and an M.B.A. from the McDonough
School of Business at Georgetown University.
There
is no arrangement or understanding between Mr. Silver and any other person pursuant to which Mr. Silver was selected as the Company’s
interim chief financial officer or principal financial officer, effective May 15, 2026. There is no family relationship between Mr. Silver
and any director, executive officer, or person nominated or chosen by the Company to become a director or executive officer of the Company.
Mr. Silver is not, and has not been since January 1, 2024, a participant in any transaction involving the Company, and is not a participant
in any proposed transaction with the Company, required to be disclosed pursuant to Item 404(a) of Regulation S-K under the Securities
Exchange Act of 1934, as amended.
SIGNATURES
Pursuant
to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.
Ironwood Pharmaceuticals, Inc.
Dated: May 13, 2026
By:
/s/ John Minardo
Name: John Minardo
Title: Senior Vice President, Chief Legal Officer and Secretary
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Entity File Number
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Entity Registrant Name
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PHARMACEUTICALS, INC.
Entity Central Index Key
0001446847
Entity Tax Identification Number
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Entity Incorporation, State or Country Code
DE
Entity Address, Address Line One
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Summer Street
Entity Address, Address Line Two
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Entity Address, City or Town
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City Area Code
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Local Phone Number
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