Rick A. Carpenter - 29 May 2026 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Reporting relationship: EVP & Chief Technology Officer
Issuer ticker: TNDM
Reported as of: 29 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Jun 2026, 16:20:49 UTC
Prior SEC filing: 19 May 2026
Source filing: View source filing
Reporting owner signature: /s/ Jerilyn Laskie, Attorney-in-Fact for Rick A. Carpenter

Key filing fact

Rick A. Carpenter filed Form 4 for TANDEM DIABETES CARE INC (TNDM) on 02 Jun 2026.

Key facts

This page summarizes Rick A. Carpenter's Form 4 filing for TANDEM DIABETES CARE INC (TNDM).
1 reported transaction and 1 derivative row are listed below.
Accepted by SEC: 02 Jun 2026, 16:20.

Change

Previous filing in this sequence was filed on 19 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001513889 Primary reporting owner

Carpenter Rick

Relationship: EVP & Chief Technology Officer
Address: 12400 HIGH BLUFF DRIVE, SAN DIEGO
Signature: /s/ Jerilyn Laskie, Attorney-in-Fact for Rick A. Carpenter
Signature date: 02 Jun 2026

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

TNDM transaction Derivative

Restricted Stock Unit

Award

Transaction value
Shares: +26,003
Change %
Price: $0.000000^*
Shares after: 26,003
Date: 29 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 26,003
Exercise price
Footnotes: F1, F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Each restricted stock unit (RSU) represents a contingent right to receive either one share of the Issuer's common stock or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).

Footnote F2

One-third of such RSUs shall vest on 5/29/2027, and the remaining RSUs shall vest in eight (8) equal quarterly installments on the 15th of the month thereafter subject to the terms of the 2023 Plan.

SEC remarks

Ex. 24: Power of Attorney