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IRONWOOD PHARMACEUTICALS INC

For the period ended Mar 31, 2026. Filed May 7, 2026.

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A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Mar 31, 2026 · Filed May 7, 2026

IRWD$4.68+6.6%Stored close · as of Nov 9, 2026

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Item 5. Other Information

During the quarter ended March 31, 2026, the following directors and officers (as defined in Rule 16a-1(f) under the Exchange Act) of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K, for the purchase or sale of our securities, as set forth in the table below.

Name (Title)Action Taken (Date of Action)Type of Trading ArrangementNature of Trading ArrangementDuration of Trading Arrangement (1)Aggregate Number of Securities
Julie McHugh (Director)Adoption (March 4, 2026)Rule 10b5-1 trading arrangementSaleMay 27, 202721,571
Ronald Silver(Corporate Controller & Chief Accounting Officer)Termination (March 17, 2026)Rule 10b5-1 trading arrangementSaleJanuary 15, 2027Indeterminable (2)
Ronald Silver(Corporate Controller & Chief Accounting Officer)Adoption (March 17, 2026)Rule 10b5-1 trading arrangementSaleMarch 17, 2028Indeterminable (3)
(1)The dates in this column represent the scheduled expiration date of each director or officer’s Rule 10b5-1 trading arrangement. Each Rule 10b5-1 trading arrangement may terminate earlier than the date provided should all transactions contemplated thereunder occur prior to such date.
(2)Mr. Silver’s Rule 10b5-1 trading arrangement provided for the sale of an indeterminable number of shares of Class A Common Stock, representing that shares may be purchased by Mr. Silver under the Company’s Employee Stock Purchase Plan.
(3)Mr. Silver’s Rule 10b5-1 trading arrangement provides for the sale of up to 253,000 shares of Class A Common Stock, plus an indeterminable number of additional shares of Class A Common Stock that Mr. Silver may purchase under the Company’s Employee Stock Purchase Plan.
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