Christopher J. Twomey - 21 May 2025 Form 4 Insider Report for TANDEM DIABETES CARE INC (TNDM)

Role
Director
Signature
/s/ Rachel Malina, Attorney-in-Fact for Christopher J. Twomey
Issuer symbol
TNDM
Transactions as of
21 May 2025
Transactions value $
$90,548
Form type
4
Filing time
23 May 2025, 16:03:10
Previous filing
20 Jun 2024
Next filing
12 Jun 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
TWOMEY CHRISTOPHER J Director 12400 HIGH BLUFF DRIVE, SAN DIEGO /s/ Rachel Malina, Attorney-in-Fact for Christopher J. Twomey 23 May 2025 0001238935

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction TNDM Common Stock Options Exercise $90.5K +4.39K +38.86% $20.64 15.7K 22 May 2025 Direct
holding TNDM Common Stock 5.11K 21 May 2025 See Footnote F1
holding TNDM Common Stock 7.57K 21 May 2025 See Footnotes 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 Restricted Stock Unit Options Exercise $0 -4.39K -100% $0.00 0 22 May 2025 Common Stock 4.39K Direct F3, F4, F5
transaction TNDM Restricted Stock Unit Award $0 +8.76K $0.00 8.76K 21 May 2025 Common Stock 8.76K Direct F4, F5, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The securities are held by the Chris J. Twomey and Rebecca J. Twomey Family Trust UTD September 20, 2002.
F2 The securities are directly owned by Twomey Family Investments, LLC. The Reporting Person is co-manager of Twomey Family Investments, LLC and shares voting and investment power over these securities held by Twomey Family Investments, LLC and may be deemed to have indirect beneficial ownership of such shares. The Reporting Person disclaims beneficial ownership of such securities held by Twomey Family Investments, LLC, except to the extent of his proportionate pecuniary interest therein.
F3 Awarded on May 22, 2024 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).
F4 Each restricted stock unit (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 will vest on the one-year anniversary of the grant date, subject to the terms of the 2023 Plan.
F6 Awarded on May 21, 2025 pursuant to the 2023 Plan.