[Form 4] TANDEM DIABETES CARE INC Insider Trading Activity
Filing Impact
Filing Sentiment
Form Type
4
Rhea-AI Filing Summary
Tandem Diabetes Care director Joao Paulo Falcao Malagueira increased his equity stake through stock-based compensation. On May 21, 2026, 8,759 restricted stock units granted on May 21, 2025 vested and converted into 8,759 shares of common stock. Following this vesting, he directly holds 22,458 common shares.
Separately, on May 20, 2026 he received a new grant of 10,220 restricted stock units under the company’s 2023 Long-Term Incentive Plan. These RSUs each represent a contingent right to receive one share of common stock or cash, and will vest on the one-year anniversary of the grant date.
Positive
- None.
Negative
- None.
Insider Trade Summary
8,759 shares exercised/converted
Mixed
3 txns
Insider
Malagueira Joao Paulo Falcao
Role
null
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Stock Unit | 8,759 | $0.00 | -- |
| Exercise | Common Stock | 8,759 | $0.00 | -- |
| Grant/Award | Restricted Stock Unit | 10,220 | $0.00 | -- |
Holdings After Transaction:
Restricted Stock Unit — 0 shares (Direct, null);
Common Stock — 22,458 shares (Direct, null)
Footnotes (1)
- Each restricted stock units (RSU) represents a contingent right to receive either one share of the Issuers common stock or cash in lieu thereof, at the Issuers discretion, in accordance with the terms of the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended, and agreements related thereto (the 2023 Plan). Such RSUs were granted to the Reporting Person on May 20, 2026, and will vest on the one-year anniversary thereof, subject to the terms of the 2023 Plan. On May 21, 2025, the Reporting Person was granted 8,759 RSUs, all of which vested and converted into shares of the Issuers common stock on the one-year anniversary thereof in accordance with the 2023 Plan.
Key Figures
Shares acquired via RSU vesting: 8,759 shares
Common shares held after transaction: 22,458 shares
New RSU grant: 10,220 restricted stock units
+2 more
5 metrics
Shares acquired via RSU vesting
8,759 shares
Common stock from RSUs vested on May 21, 2026
Common shares held after transaction
22,458 shares
Direct ownership following RSU conversion
New RSU grant
10,220 restricted stock units
Granted on May 20, 2026 under 2023 Long-Term Incentive Plan
RSU grant date (vested award)
May 21, 2025
8,759 RSUs granted, later vested into common stock
Exercise/vesting transactions
1 exercise event
Exercise or conversion of derivative security (RSUs) on May 21, 2026
Key Terms
Restricted Stock Unit, contingent right, Long-Term Incentive Plan, derivative security
4 terms
Restricted Stock Unit financial
"On May 21, 2026, 8,759 restricted stock units granted on May 21, 2025 vested and converted"
A restricted stock unit is a promise from a company to give an employee shares of stock after certain conditions are met, like staying with the company for a set amount of time. It’s like earning a bonus that turns into company stock once you’ve proven your commitment, making it a way to motivate and reward employees.
contingent right financial
"Each restricted stock units (RSU) represents a contingent right to receive either one share"
Long-Term Incentive Plan financial
"in accordance with the terms of the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan"
A long-term incentive plan is a company program that pays executives or employees with stock, options, or cash tied to multi-year performance goals, where the rewards become theirs only after meeting conditions over time. Think of it as a delayed bonus or retirement-style reward that aligns employees’ interests with shareholders by encouraging them to boost long-term value; investors watch these plans because they affect pay costs, share dilution and management incentives.
derivative security financial
"transaction_code_description: Exercise or conversion of derivative security"
A derivative security is a financial contract whose value comes from the price or performance of something else, such as a stock, bond, commodity, or market index. For investors it acts like an insurance policy or a wager: it can be used to protect against losses, lock in prices, or amplify gains and losses, so it can change a portfolio’s risk and potential return without owning the underlying asset directly.
