Tandem Diabetes Care, Inc.

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Company Name	Tandem Diabetes Care, Inc.
Stock Symbol	TNDM

On August 7, 2025, Tandem disclosed that a malfunction had been identified in some of its insulin pumps which could “trigger an error resulting in a discontinuation of insulin delivery” which “could result in hyperglycemia due to discontinuation of insulin delivery” and “may require hospitalization or intervention from a medical professional.” The Company stated that it had sent notices to impacted customers between July 22 and 24, 2025.

On this news, Tandem’s stock price fell $2.87, or 19.9%, to close at $11.52 per share on August 7, 2025, thereby injuring investors.

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If you suffered a loss on your Tandem Diabetes Care, Inc. investments or would like to inquire about joining an action to recover your loss under the federal securities laws, please complete the form below. Please note that submission of this form does not by itself form an attorney-client relationship nor does filing out this form mean you have joined any lawsuit.

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