Tandem Diabetes (TNDM) EVP reports RSU exercises, tax share withholding and trust holdings
Rhea-AI Filing Summary
Tandem Diabetes Care executive Elizabeth Anne Gasser reported several compensation-related stock transactions dated May 15, 2026. She exercised restricted stock units into a total of 10,267 shares of common stock at a stated price of $0.00 per share and received a separate grant of 1,337 shares at $10.90 per share.
To cover tax obligations on these vestings, the company withheld 5,510 shares at $12.82 per share, and the footnotes state that no shares were sold. After these transactions, she directly holds 1,762 shares of common stock and indirectly holds 25,949 shares through The Gasser Family Trust. A footnote also notes voluntary reporting of an acquisition under the company’s Employee Stock Purchase Plan for a period ending May 15, 2026.
Positive
- None.
Negative
- None.
Insider Trade Summary
10,267 shares exercised/converted
Mixed
11 txns
Insider
Gasser Elizabeth Anne
Role
EVP, Chief Strategy Officer
| Type | Security | Shares | Price | Value |
|---|---|---|---|---|
| Exercise | Restricted Stock Unit | 1,503 | $0.00 | -- |
| Exercise | Restricted Stock Unit | 1,097 | $0.00 | -- |
| Exercise | Restricted Stock Unit | 7,667 | $0.00 | -- |
| Exercise | Common Stock | 1,503 | $0.00 | -- |
| Tax Withholding | Common Stock | 807 | $12.82 | $10K |
| Exercise | Common Stock | 1,097 | $0.00 | -- |
| Tax Withholding | Common Stock | 589 | $12.82 | $8K |
| Exercise | Common Stock | 7,667 | $0.00 | -- |
| Tax Withholding | Common Stock | 4,114 | $12.82 | $53K |
| Grant/Award | Common Stock | 1,337 | $10.90 | $15K |
| holding | Common Stock | -- | -- | -- |
Holdings After Transaction:
Restricted Stock Unit — 0 shares (Direct);
Common Stock — 2,569 shares (Direct);
Common Stock — 25,949 shares (Indirect, See Footnote)
Footnotes (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. 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). The securities are held by The Gasser Family Trust dated September 1, 2011, of which Elizabeth A. Gasser is a co-trustee. 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). 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. 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. Awarded on May 23, 2024 pursuant to the 2023 Plan. 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. Awarded on May 30, 2025 pursuant to the 2023 Plan. 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.
Key Figures
RSU exercises: 10,267 shares
New share grant: 1,337 shares at $10.90
Tax withholding shares: 5,510 shares at $12.82
+3 more
6 metrics
RSU exercises
10,267 shares
Common stock from RSU exercises on May 15, 2026
New share grant
1,337 shares at $10.90
Common stock grant on May 15, 2026
Tax withholding shares
5,510 shares at $12.82
Shares withheld for tax on RSU vesting
Direct holdings after transactions
1,762 shares
Tandem Diabetes common stock directly held post-transaction
Indirect trust holdings
25,949 shares
Held by The Gasser Family Trust
ESPP purchase period
Nov 18, 2025–May 15, 2026
Employee Stock Purchase Plan period referenced in footnote
Key Terms
Restricted Stock Unit, Employee Stock Purchase Plan, Rule 16b-3(c), Long-Term Incentive Plan, +1 more
5 terms
Restricted Stock Unit financial
"The filing lists several transactions involving "Restricted Stock Unit" with underlying common stock."
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.
Employee Stock Purchase Plan financial
"A footnote references the Tandem Diabetes Care, Inc. Amended and Restated 2013 Employee Stock Purchase Plan (ESPP)."
An employee stock purchase plan is a company program that lets workers buy shares through small payroll deductions, often at a discount to the market price and after a set offering period. Think of it like a workplace savings plan that turns into ownership: it encourages employees to share in the company’s success and can create predictable buying or selling of stock that investors watch because it affects supply, demand and employee incentives.
Rule 16b-3(c) regulatory
"The ESPP acquisition is described as a transaction exempt under Rule 16b-3(c)."
An SEC rule that lets corporate insiders avoid automatic "short‑swing" profit recovery when they buy or sell their company’s stock under a pre‑approved, written plan that meets specific conditions. For investors, it matters because it clarifies when insider trades are treated as routine, reducing legal uncertainty and helping distinguish trades made for ordinary compensation or pre‑planned reasons from those that might signal opportunistic or timely insider advantage.
Long-Term Incentive Plan financial
"Footnotes state certain RSU awards were granted under 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.
tax withholding requirements financial
"One footnote explains shares were withheld to satisfy tax withholding requirements on vesting of RSUs."
AI-generated analysis. How Rhea-AI works. Not financial advice.
FAQ
What insider transactions did TNDM executive Elizabeth Gasser report on May 15, 2026?
Elizabeth Gasser reported compensation-related stock activity on May 15, 2026. She exercised restricted stock units into 10,267 common shares, received a 1,337-share grant, and had 5,510 shares withheld by Tandem Diabetes Care Inc. to satisfy tax obligations on vesting.
What restricted stock unit (RSU) activity for TNDM was disclosed for Elizabeth Gasser?
The filing shows RSU exercises totaling 10,267 underlying common shares at a stated $0.00 price. Footnotes explain these RSUs were granted under Tandem’s 2023 Long-Term Incentive Plan, with vesting schedules that include 33% initial vesting followed by eight equal quarterly installments.
What tax-withholding transactions were reported in the TNDM Form 4 for Elizabeth Gasser?
The Form 4 reports three tax-withholding dispositions totaling 5,510 shares at $12.82 per share. Footnotes state these shares were withheld by Tandem Diabetes Care Inc. to satisfy tax liabilities from RSU vesting, and explicitly note that no shares were sold in the market.
How is the Employee Stock Purchase Plan mentioned in the TNDM Form 4 for Elizabeth Gasser?
A footnote says Gasser voluntarily reported acquiring common stock under Tandem’s Amended and Restated 2013 Employee Stock Purchase Plan for the purchase period from November 18, 2025, through May 15, 2026. The disclosure notes this transaction is exempt under Rule 16b-3(c).