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Investor FAQs

On which exchange is Ironwood listed and what is the ticker symbol? When did Ironwood go public? What is the CUSIP number for Ironwood's Class A common stock? Where is Ironwood incorporated? Where is Ironwood's headquarters? How can I purchase shares? Do you pay dividends or is there a reinvestment plan? How can I replace my lost stock certificate? If my address changes, whom should I notify? How many employees does Ironwood have? Has Ironwood ever had any stock splits? When is Ironwood's fiscal year-end? Who are Ironwood's independent auditors? Who can I call if I have further questions?
On which exchange is Ironwood listed and what is the ticker symbol?

Ironwood is traded on the NASDAQ Stock Market under the symbol IRWD.

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When did Ironwood go public?

Ironwood went public on February 3, 2010.

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What is the CUSIP number for Ironwood's Class A common stock?

The CUSIP number for Ironwood's Class A common stock is 46333X 108.

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Where is Ironwood incorporated?

Ironwood is incorporated in the state of Delaware.

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Where is Ironwood's headquarters?

Ironwood's headquarters is located at 100 Summer St. #2300, Boston, MA 02110. The main phone number is 617.621.7722.

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How can I purchase shares?

Shares can be purchased through a stockbroker of your choice. Ironwood does not have a direct stock purchase plan.

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Do you pay dividends or is there a reinvestment plan?

Currently Ironwood does not offer a dividend or stock reinvestment plan.

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How can I replace my lost stock certificate?

You must contact our transfer agent, Computershare Investor Services. Computershare can look up your records and make any necessary adjustments. There is a fee involved for replacing lost certificates. Computershare's contact information is:
Phone:
Within the US: (800) 662.7232
If calling from outside the US: 1 (781) 575.4238

Web: www.computershare.com

Address for first class, registered, and certified mail:
Computershare Investor Services
PO BOX 505000
Louisville, KY, 40233-5000, United States

Address for overnight delivery:
Computershare Investor Services
462 South 4th Street, Suite 1600
Louisville, KY, 40202, United States

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If my address changes, whom should I notify?

You must send both your old and new addresses to our transfer agent, Computershare Investor Services, by U.S. mail. Each stockholder in question must sign the request for an address change.
Phone:
Within the US: (800) 662.7232
If calling from outside the US: 1 (781) 575.4238

Web: www.computershare.com

Address for first class, registered, and certified mail:
Computershare Investor Services
PO BOX 505000
Louisville, KY, 40233-5000, United States

Address for overnight delivery:
Computershare Investor Services
462 South 4th Street, Suite 1600
Louisville, KY, 40202, United States

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How many employees does Ironwood have?

As of December 31, 2022, Ironwood had 219 employees.

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Has Ironwood ever had any stock splits?

Ironwood has not completed any stock splits.

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When is Ironwood's fiscal year-end?

December 31.

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Who are Ironwood's independent auditors?

Ernst & Young LLP.

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Who can I call if I have further questions?

Ironwood's investor relations department is happy to answer any shareholder questions. The number to contact investor relations is 617.621.8395.

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