John F. Sheridan - 11 Aug 2025 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Role: PRESIDENT & CEO, Director
Signature: /s/ Rachel Malina, Attorney-in-Fact for John F. Sheridan
Issuer symbol: TNDM
Transactions as of: 11 Aug 2025
Net transactions value: +$102,318
Form type: 4
Filing time: 11 Aug 2025, 18:15:44 UTC
Previous filing: 05 Jun 2025
Next filing: 19 Aug 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Sheridan John F	PRESIDENT & CEO, Director	12400 HIGH BLUFF DRIVE, SAN DIEGO	/s/ Rachel Malina, Attorney-in-Fact for John F. Sheridan	11 Aug 2025	0001365369

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	TNDM	Common Stock	Purchase	$102,318	+10,000	+10%	$10.23	106,327	11 Aug 2025	Direct	F1

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	This transaction was executed in multiple trades at prices ranging from $10.19 to $10.33 per share. The reported price reflects the weighted average purchase price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.