SEC Form 4 · accession 0001438133-26-000116
TANDEM DIABETES CARE INC · TNDM
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Jean-Claude Kyrillos
Officer — EVP & Chief Operating Officer
Period of report
Jul 15, 2026
Accepted (ET)
Jul 17, 2026 · 4:07 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001438133
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Jul 15, 2026 | M | 3,636 | $0.00 | A | 31,741 | D | |
| Common Stock | Jul 15, 2026 | F | 1,926 | $15.28 | D | 29,815 | D |
Table II — derivative securities
| Security | Conv. / exercise price | Date | Code | Shares | A/D | Exercisable | Expires | Underlying | Underlying shares | Owned after | D/I |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Restricted Stock UnitF2,F3,F4 | — | Jul 15, 2026 | M | 3,636 | D | — | — | Common Stock | 3,636 | 14,545 | D |
Explanation of responses
- F1Shares withheld by the Issuer to satisfy tax withholding requirements upon the vesting of restricted stock units (RSUs). No shares were sold.
- F2Awarded on July 15, 2024 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).
- F3Each 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.
- F4One-third of the RSUs granted on July 14, 2024 vested on July 14, 2025, with the remaining RSUs vesting in eight (8) equal quarterly installments thereafter, subject to the terms of the 2023 Plan.