Form 4: Tandem Diabetes COO Acquires Shares via ESPP

Tandem Diabetes Care's EVP & COO, Jean-Claude Kyrillos, acquired 160 shares of common stock through the company's Employee Stock Purchase Plan.

Summary

• Jean-Claude Kyrillos, Executive Vice President & Chief Operating Officer of Tandem Diabetes Care Inc. (TNDM), acquired 160 shares of common stock.
• The acquisition occurred on November 17, 2025, at a price of $15.59 per share.
• This transaction was made pursuant to the Tandem Diabetes Care Inc. Amended and Restated 2013 Employee Stock Purchase Plan (ESPP).
• The shares were acquired for the ESPP purchase period spanning from May 16, 2025, through November 17, 2025.
• Following this transaction, Jean-Claude Kyrillos directly beneficially owns 22,544 shares of common stock.
• The transaction is exempt under Rule 16b-3(c) of the Securities Exchange Act of 1934.

Sentiment

Score: 6

Explanation: The sentiment is mildly positive. An executive's routine participation in an ESPP indicates continued confidence in the company and aligns their interests with shareholders, though it's not a significant open market purchase.

Positives

• An executive's participation in the Employee Stock Purchase Plan (ESPP) demonstrates continued confidence in the company's long-term prospects.
• The acquisition of shares by a key officer aligns management's interests with those of shareholders.

Future Outlook

This Form 4 filing does not contain any forward-looking statements or guidance regarding the company's future outlook.

Management Comments

• The reporting person is voluntarily reporting the acquisition of shares of common stock pursuant to the Tandem Diabetes Care Inc. Amended and Restated 2013 Employee Stock Purchase Plan (ESPP).

Industry Context

Insider transactions, particularly those through Employee Stock Purchase Plans, are common across industries. They generally reflect an executive's routine participation in company benefit programs and can signal continued alignment with company performance, rather than a specific market-timing decision.

Stakeholder Impact

• Shareholders: The transaction may be viewed as a minor positive signal, indicating management's continued belief in the company's value through their participation in the ESPP.

Key Dates

Keywords

TNDM, Tandem Diabetes Care, Insider Transaction, Form 4, ESPP, Stock Acquisition, Jean-Claude Kyrillos, Executive Compensation