Tandem Diabetes Care (TNDM) CTO Carpenter acquired 2,334 shares
Insider transactions reported
Rick Carpenter (Chief Technology Officer at Tandem Diabetes Care Inc., TNDM) reported that they acquired 2,334 shares, and gave up 1,312 shares at $18.95 to cover taxes or an exercise price on Feb 17, 2026. After these transactions the filing shows 25,274 shares held directly.
- Reporting person
- Carpenter Rick
- Role
- Chief Technology Officer
| Date | Type | Security | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| Feb 17, 2026 | Exercise or conversion of a derivative (M) | Common Stock | +2,334 | - | - | 25,778 direct |
| Feb 17, 2026 | Shares withheld for taxes or exercise price (F) | Common Stock1 | -1,312 | avg $18.95 | $24.9K | 25,274 direct |
Options and other derivatives
| Date | Type | Security | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| Feb 17, 2026 | Exercise or conversion of a derivative (M) | Restricted Stock UnitOn 2,334 Common Stock2, 3, 4, ... | -2,334 | - | - | 4,487 direct |
Holdings before and after
- Common Stock: 24,252 to 25,274 direct
- Restricted Stock Unit: 2,874 to 4,487 direct
Footnotes from the filing
- 1. 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.
- 2. Awarded on May 25, 2023 pursuant to the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan (the 2023 Plan).
- 3. 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.
- 4. 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.
- 5. Awarded on May 23, 2024 pursuant to the 2023 Plan.
Transaction codes in this filing
- Exercise or conversion of a derivative:
- Code M marks the exercise or conversion of an option or other derivative under an exempt plan.
- Shares withheld for taxes or exercise price:
- Code F marks shares handed back or withheld to pay taxes or an exercise price. No sale happens in the market.
FAQ
What did Carpenter report in this TNDM Form 4?
Rick Carpenter (Chief Technology Officer at Tandem Diabetes Care Inc., TNDM) reported that they acquired 2,334 shares, and gave up 1,312 shares at $18.95 to cover taxes or an exercise price on Feb 17, 2026. After these transactions the filing shows 25,274 shares held directly.
How many TNDM shares does Carpenter hold after this filing?
The filing shows 25,274 shares held directly after the reported transactions. Form 4 reports only the positions it lists, so this may not be every holding.
What does transaction code M mean on an SEC Form 4?
Code M marks the exercise or conversion of an option or other derivative under an exempt plan.
Historical context for TNDM
Across the 13 sessions after earlier TNDM headlines, the stock closed higher 9 times and lower 4 times, with a median move of 2.6% in either direction. This shows timing only: many things move a stock in a session, and these figures do not show that any headline caused a move.
| Session | Earlier headline | TNDM | SPY |
|---|---|---|---|
| Feb 20, 2026 | Tandem Diabetes Care Announces Fourth Quarter and Full Year 2025 Financial Results and 2026 Financial Guidance | +32.7% | +0.7% |
| Feb 13, 2026 | Tandem Diabetes Care Announces Upcoming Conference Presentations | +1.4% | +0.1% |
| Jan 27, 2026 | TD Cowen resumed coverage on Tandem Diabetes Care with a new price target | -0.2% | +0.4% |
| Jan 9, 2026 | Tandem Diabetes Care to Announce Fourth Quarter and Full Year 2025 Financial Results on February 19, 2026 | -3.6% | +0.7% |
| Dec 18, 2025 | Tandem t:slim Mobile App Now Available in Canada | -2.8% | +0.8% |
| Dec 16, 2025 | Tandem Diabetes Care upgraded by Robert W. Baird with a new price target | +2.2% | -0.3% |
Earlier insider filings at TNDM
- Feb 19, 2026EVP, Chief Strategy Officer Gasser Elizabeth Anne converted options into 2,600 shares and covered exercise/tax liability with 1,534 shares (SEC Form 4)
- Feb 19, 2026EVP & Chief Admin. Officer Morrison Susan converted options into 2,600 shares and covered exercise/tax liability with 882 shares, increasing direct ownership by 4% to 42,635 units (SEC Form 4)
- Feb 19, 2026EVP & CHIEF COMMERCIAL OFFICER Novara Mark David converted options into 77 shares and covered exercise/tax liability with 62 shares, increasing direct ownership by 0.04% to 35,971 units (SEC Form 4)
- Feb 19, 2026PRESIDENT & CEO Sheridan John F converted options into 11,454 shares and covered exercise/tax liability with 4,363 shares, increasing direct ownership by 6% to 124,691 units (SEC Form 4)
- Feb 19, 2026EVP & CHIEF FINANCIAL OFFICER Vosseller Leigh covered exercise/tax liability with 1,235 shares and converted options into 2,998 shares, increasing direct ownership by 5% to 39,411 units (SEC Form 4)
- Market cap
- 30-day
- Sector
- Health Care
- Industry
- Medical/Dental Instruments
- Listed since
- 2013
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