Leigh Vosseller - Feb 25, 2025 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Role
EVP & CHIEF FINANCIAL OFFICER
Signature
/s/ Rachel Malina, Attorney-in-Fact for Leigh A. Vosseller
Stock symbol
TNDM
Transactions as of
Feb 25, 2025
Transactions value $
-$84,050
Form type
4
Date filed
2/27/2025, 05:15 PM
Previous filing
Feb 20, 2025
SEC
View on sec.gov

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TNDM Common Stock Options Exercise $0 +1.38K +6.04% $0.00 24.2K Feb 25, 2025 Direct
transaction TNDM Common Stock Tax liability -$16.5K -494 -2.04% $33.34 23.7K Feb 25, 2025 Direct F1
transaction TNDM Common Stock Options Exercise $0 +5.52K +23.28% $0.00 29.3K Feb 25, 2025 Direct
transaction TNDM Common Stock Tax liability -$67.6K -2.03K -6.93% $33.34 27.2K Feb 25, 2025 Direct F1
holding TNDM Common Stock 11.9K Feb 25, 2025 Leigh A. Vosseller Trust F2

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 Performance Stock Unit Options Exercise $0 -1.38K -100% $0.00 0 Feb 25, 2025 Common Stock 1.38K Direct F3, F4
transaction TNDM Performance Stock Unit Options Exercise $0 -5.52K -100% $0.00 0 Feb 25, 2025 Common Stock 5.52K Direct F4, F5
* 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 performance stock units (PSU). No shares were sold.
F2 The securities are held by the Leigh A. Vosseller Trust dated January 17, 2010, of which Leigh Vosseller is the Trustee.
F3 Awarded on May 18, 2021 pursuant to the Tandem Diabetes Care, Inc. 2013 Stock Incentive Plan, as amended, and the agreements related thereto (the 2013 Plan).
F4 Each PSU represents a contingent right to receive one share of the Company common stock based upon the achievement of certain pre-defined performance metrics as of December 31, 2024 (the Measurement Date). The number of shares issued may range from 0% to 200% of the base grant amount, based upon (i) Company's actual performance relative to the pre-defined performance metrics, and (ii) subject to the awardee's continuing service through the Measurement Date. If minimum performance metrics are not met, no PSUs will vest.
F5 Awarded on May 25, 2022 pursuant to the 2013 Plan.