Vosseller Leigh 4

4 · TANDEM DIABETES CARE INC · Filed Aug 19, 2025

Form 4

Period: 2025-08-15

EVP & CHIEF FINANCIAL OFFICER

Transactions

Tax Payment
Common Stock
2025-08-15$10.82/sh−535$5,789→ 35,723 total
Exercise/Conversion
Common Stock
2025-08-15+1,495→ 36,258 total
Exercise/Conversion
Restricted Stock Unit
2025-08-15−1,503→ 4,509 total
→ Common Stock (1,503 underlying)
Tax Payment
Common Stock
2025-08-15$10.82/sh−538$5,821→ 34,763 total
Exercise/Conversion
Common Stock
2025-08-15+1,503→ 35,301 total
Exercise/Conversion
Restricted Stock Unit
2025-08-15−1,495→ 10,469 total
→ Common Stock (1,495 underlying)

Holdings

Footnotes (7)

[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]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 25, 2023 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).
[F4]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 2023 Plan.
[F5]RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2024, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.
[F6]Awarded on May 23, 2024 pursuant to the 2023 Plan.
[F7]RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2025, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.

Documents

1 file