Rick Carpenter - Jun 16, 2025 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Signature
/s/ Rachel Malina, Attorney-in-Fact for Rick A. Carpenter
Stock symbol
TNDM
Transactions as of
Jun 16, 2025
Transactions value $
-$4,297
Form type
4
Date filed
6/18/2025, 04:08 PM
Previous filing
Jun 5, 2025
Next filing
Aug 19, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Carpenter Rick Chief Technology Officer 12400 HIGH BLUFF DRIVE, SAN DIEGO /s/ Rachel Malina, Attorney-in-Fact for Rick A. Carpenter 2025-06-18 0001513889

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TNDM Common Stock Options Exercise $0 +406 +1.93% $0.00 21.4K Jun 16, 2025 Direct
transaction TNDM Common Stock Tax liability -$4.3K -207 -0.97% $20.76 21.2K Jun 16, 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction TNDM Restricted Stock Unit Options Exercise $0 -406 -33.33% $0.00 812 Jun 16, 2025 Common Stock 406 Direct F2, F3, F4
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares withheld by Tandem Diabetes Care, Inc. (the Company) to satisfy tax withholding requirements on vesting of restricted stock units (RSU). No shares were sold.
F2 Awarded on December 15, 2021 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).
F3 Each RSU represents a contingent right to receive either one share of common stock of the Issuer or cash in lieu thereof, at the Issuer's discretion, in accordance with the terms of the 2013 Plan.
F4 RSU vest as to twenty-five percent (25%) of the total number of shares subject to the RSU on 12/15/2022, and the remaining shares shall vest in twelve (12) equal quarterly installments thereafter.