Tandem Diabetes Care (TNDM) COO Kyrillos received 434 shares
Insider transactions reported
Jean-Claude Kyrillos (EVP & Chief Operating Officer at Tandem Diabetes Care Inc., TNDM) reported that they received 434 shares, and acquired 4,038 shares, and gave up 2,139 shares at $12.82 to cover taxes or an exercise price on May 15, 2026. After these transactions the filing shows 28,105 shares held directly.
- Reporting person
- Kyrillos Jean-Claude
- Role
- EVP & Chief Operating Officer
| Date | Type | Security | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| May 15, 2026 | Exercise or conversion of a derivative (M) | Common Stock | +4,038 | - | - | 29,810 direct |
| May 15, 2026 | Shares withheld for taxes or exercise price (F) | Common Stock1 | -2,139 | $12.82 | $27.4K | 27,671 direct |
| May 15, 2026 | Grant or award (A) | Common Stock2 | +434 | $10.90 | $4,731 | 28,105 direct |
Options and other derivatives
| Date | Type | Security | Shares | Price | Value | Held after |
|---|---|---|---|---|---|---|
| May 15, 2026 | Exercise or conversion of a derivative (M) | Restricted Stock UnitOn 4,038 Common Stock3, 4, 5 | -4,038 | - | - | 8,077 direct |
Holdings before and after
- Common Stock: 25,772 to 28,105 direct
- Restricted Stock Unit: 12,115 to 8,077 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. The reporting person is voluntarily reporting the acquisition of shares of common stock pursuant to the Tandem Diabetes Care, Inc. Amended and Restated 2013 Employee Stock Purchase Plan (ESPP), for the ESPP purchase period of November 18, 2025, through May 15, 2026. This transaction is also exempt under Rule 16b-3(c).
- 3. Awarded on May 30, 2025 pursuant to the Tandem Diabetes Care Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan).
- 4. 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.
- 5. RSU vest as to thirty-three percent (33%) of the total number of shares subject to the RSU on 5/15/2026, and the remaining shares shall vest in eight (8) equal quarterly installments thereafter.
Transaction codes in this filing
- Grant or award:
- Code A marks a grant or award from the company under an exempt employee or director plan. Usually nothing is paid for it.
- 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 Kyrillos report in this TNDM Form 4?
Jean-Claude Kyrillos (EVP & Chief Operating Officer at Tandem Diabetes Care Inc., TNDM) reported that they received 434 shares, and acquired 4,038 shares, and gave up 2,139 shares at $12.82 to cover taxes or an exercise price on May 15, 2026. After these transactions the filing shows 28,105 shares held directly.
How many TNDM shares does Kyrillos hold after this filing?
The filing shows 28,105 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 A mean on an SEC Form 4?
Code A marks a grant or award from the company under an exempt employee or director plan. Usually nothing is paid for it.
Historical context for TNDM
Across the 24 sessions after earlier TNDM headlines, the stock closed higher 14 times and lower 10 times, with a median move of 3.2% 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 |
|---|---|---|---|
| May 12, 2026 | The Benchmark Company initiated coverage on Tandem Diabetes Care | -0.5% | -0.2% |
| May 8, 2026 | Tandem Diabetes Care Announces First Quarter 2026 Financial Results | -16.2% | +0.8% |
| Apr 30, 2026 | Tandem Diabetes Care Announces Upcoming Conference Presentations | +7.5% | +1.0% |
| Apr 27, 2026 | Tandem Diabetes Care's Control-IQ+ Automated Insulin Delivery Technology Now FDA Cleared for Pregnancy in Type 1 Diabetes | -2.7% | +0.2% |
| Apr 6, 2026 | Tandem Diabetes Care to Announce First Quarter 2026 Financial Results on May 7, 2026 | +3.0% | +0.5% |
| Mar 19, 2026 | Tandem Diabetes Care upgraded by Truist with a new price target | +3.3% | -0.2% |
Earlier insider filings at TNDM
- May 19, 2026EVP & Chief Admin. Officer Morrison Susan converted options into 9,523 shares, covered exercise/tax liability with 2,724 shares and was granted 1,336 shares, increasing direct ownership by 19% to 50,770 units (SEC Form 4) (tax withholding)
- May 19, 2026PRESIDENT & CEO Sheridan John F converted options into 51,189 shares, covered exercise/tax liability with 24,773 shares and was granted 1,336 shares, increasing direct ownership by 22% to 152,443 units (SEC Form 4) (withholding obligation)
- May 19, 2026EVP & CHIEF FINANCIAL OFFICER Vosseller Leigh converted options into 13,495 shares, covered exercise/tax liability with 4,843 shares and was granted 1,336 shares, increasing direct ownership by 25% to 49,399 units (SEC Form 4) to cover taxes
- May 19, 2026EVP & CHIEF COMMERCIAL OFFICER Novara Mark David converted options into 10,572 shares and covered exercise/tax liability with 7,911 shares, increasing direct ownership by 7% to 40,317 units (SEC Form 4) (for tax liability)
- Apr 17, 2026SEC Form 4 filed by Kyrillos Jean-Claude
- Market cap
- 30-day
- Sector
- Health Care
- Industry
- Medical/Dental Instruments
- Listed since
- 2013
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