Form 4 for TNDM TANDEM DIABETES CARE INC
Accepted 2025-08-19 00:00:00 ET · period of report 2025-08-15 · accession 0001628280-25-040843 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-08-19 | 2025-08-15 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | +2,335 | 22.7K | +11% | $0 |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Carpenter Rick | CTO | F - Tax | $10.82 | -1,187 | 21.9K | -5% | -$12.8K |
| DM | 2025-08-19 | 2025-08-15 | TNDM | Carpenter Rick | CTO | M - OptEx | $0.00 | -2,335 | 4,311 | -35% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-08-15 | M | A | 898 | $0.00 | 22,824 | D | — | — | |
| 2 | Common | Common Stock | 2025-08-15 | F | D | 457 | $10.82 | 22,367 | D | — | — | (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. |
| 3 | Common | Common Stock | 2025-08-15 | F | D | 730 | $10.82 | 21,926 | D | — | — | (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. |
| 4 | Common | Common Stock | 2025-08-15 | M | A | 1,437 | $0.00 | 22,656 | D | — | — | |
| 5 | Derivative | Restricted Stock Unit | 2025-08-15 | M | D | 898 | $0.00 | 6,281 | D | — · — to — | 898 Common Stock | (F5) Awarded on May 23, 2024 pursuant to the 2023 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 2023 Plan. (F6) 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. |
| 6 | Derivative | Restricted Stock Unit | 2025-08-15 | M | D | 1,437 | $0.00 | 4,311 | D | — · — to — | 1,437 Common Stock | (F2) 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). (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 2023 Plan. (F4) 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. |