Tandem Diabetes Care grants 29,136 RSUs to EVP

Hansen Shannon Marie reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Hansen Shannon Marie reported acquisition or exercise transactions in this Form 4 filing.

Tandem Diabetes Care executive Shannon Marie Hansen, EVP & Chief Legal Officer, received a grant of 29,136 restricted stock units (RSUs). Each RSU represents a contingent right to one share of common stock or cash under the company’s 2023 Long-Term Incentive Plan.

One-third of the 29,136 RSUs will vest on May 29, 2027, with the remaining units vesting in eight equal quarterly installments on the 15th of the month thereafter, subject to the plan’s terms. Following this grant, Hansen holds 29,136 RSUs directly from this award.

Insider Trade Summary

Grant/Award: 29,136 shares

Grant/Award 1 txn

Insider Hansen Shannon Marie

Role EVP & Chief Legal Officer

Type	Security	Shares	Price	Value
Grant/Award	Restricted Stock Unit	29,136	$0.00	$0.00

Holdings After Transaction: Restricted Stock Unit — 29,136 contracts (Direct)

Footnotes (2)

1. F1. Each restricted stock unit (RSU) represents a contingent right to receive either one share of the Issuer's common stock or cash in lieu thereof, at the Issuer's 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).
2. F2. One-third of such RSUs shall vest on 5/29/2027, and the remaining RSUs shall vest in eight (8) equal quarterly installments on the 15th of the month thereafter subject to the terms of the 2023 Plan.

Key Figures

RSUs granted: 29,136 RSUs RSUs underlying common stock: 29,136 shares Initial vesting date: May 29, 2027 +1 more

4 metrics

RSUs granted 29,136 RSUs Grant to EVP & Chief Legal Officer on May 29, 2026

RSUs underlying common stock 29,136 shares Underlying Tandem Diabetes Care common stock for this RSU award

Initial vesting date May 29, 2027 One-third of RSUs vest on this date

Remaining vesting tranches 8 quarterly installments Balance of RSUs vest in eight equal quarterly tranches on the 15th

Key Terms

Restricted Stock Unit, 2023 Long-Term Incentive Plan, vesting, contingent right

4 terms

Restricted Stock Unit financial

"Each restricted stock unit (RSU) represents a contingent right to receive either one share of the Issuer's common stock or cash in lieu thereof"

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.

2023 Long-Term Incentive Plan financial

"in accordance with the terms of the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended"

vesting financial

"One-third of such RSUs shall vest on 5/29/2027, and the remaining RSUs shall vest in eight (8) equal quarterly installments"

Vesting is the process by which you earn full ownership of something, like company stock or a retirement benefit, over time. It’s like earning the right to keep a gift piece by piece the longer you stay with a company, making sure employees stay committed before they receive all the benefits.

contingent right financial

"Each restricted stock unit (RSU) represents a contingent right to receive either one share of the Issuer's common stock or cash"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Tandem Diabetes Care (TNDM) disclose about Shannon Hansen’s new equity award?

Tandem Diabetes Care reported that EVP & Chief Legal Officer Shannon Marie Hansen received 29,136 restricted stock units. These RSUs are granted under the company’s 2023 Long-Term Incentive Plan and provide a contingent right to receive common shares or cash, subject to vesting.

How many restricted stock units did TNDM grant to Shannon Hansen?

Shannon Hansen received a grant of 29,136 restricted stock units. This entire amount is tied to Tandem Diabetes Care’s common stock and represents a contingent right to receive either shares or cash, as provided under the 2023 Long-Term Incentive Plan documents.

What is the vesting schedule for Shannon Hansen’s 29,136 TNDM RSUs?

One-third of the 29,136 RSUs will vest on May 29, 2027. The remaining two-thirds will vest in eight equal quarterly installments on the 15th of the month thereafter, subject to the terms and conditions of the 2023 Long-Term Incentive Plan.

Under which plan were Shannon Hansen’s Tandem Diabetes Care RSUs granted?

The RSUs were granted under the Tandem Diabetes Care, Inc. 2023 Long-Term Incentive Plan, as amended. This plan governs the terms of the award, including vesting, settlement in shares or cash, and other conditions described in the related award agreements.

Does Shannon Hansen’s RSU award involve any purchase or sale of TNDM stock?

The filing shows a grant of RSUs classified as an acquisition under code A, not an open-market trade. It reflects a compensation-related equity award rather than a purchase or sale transaction, with settlement in stock or cash determined under the plan.

How many Tandem Diabetes Care RSUs does Shannon Hansen hold after this grant?

After this transaction, the filing reports 29,136 restricted stock units for Shannon Hansen from this award. These RSUs are held directly and remain subject to the specified vesting schedule and other conditions of Tandem Diabetes Care’s 2023 Long-Term Incentive Plan.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/02/2026 - 04:20 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Hansen Shannon Marie

(Last) (First) (Middle)

12400 HIGH BLUFF DRIVE

(Street)

SAN DIEGO CALIFORNIA 92130

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
TANDEM DIABETES CARE INC [ TNDM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Legal Officer

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/29/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Unit	(1)	05/29/2026		A		29,136		(2)	(2)	Common Stock	29,136	$0	29,136	D

Explanation of Responses:

1. Each restricted stock unit (RSU) represents a contingent right to receive either one share of the Issuer's common stock or cash in lieu thereof, at the Issuer's 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).

2. One-third of such RSUs shall vest on 5/29/2027, and the remaining RSUs shall vest in eight (8) equal quarterly installments on the 15th of the month thereafter subject to the terms of the 2023 Plan.

Remarks:

Ex. 24: Power of Attorney

	/s/ Jerilyn Laskie, Attorney-in-Fact for Shannon M. Hansen	06/02/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)