Tandem Diabetes Care (TNDM) insider files resale notice; 2 shares sold at $45.62

Rhea-AI Filing Summary

Tandem Diabetes Care (TNDM) filing reports a proposed sale of 187 shares of Common Stock tied to Restricted Stock Units with an effective date of 03/15/2026. The filing also records a 10b5-1 sale of 2 shares of Common Stock executed on 03/05/2026 at $45.62.

The broker listed is Morgan Stanley Smith Barney LLC Executive Financial Services, and the reporting individual is Mark Novara. This Form 144 is a routine notice of intended resale and an executed small 10b5-1 disposition.

Insights

Insider Transactions Analyst

Small, routine insider resale and a 10b5-1 sale were reported; no material scale.

The filing lists a proposed resale of 187 shares tied to Restricted Stock Units dated 03/15/2026 and documents a prior 10b5-1 sale of 2 shares on 03/05/2026 at $45.62. The broker is Morgan Stanley Smith Barney LLC.

Because the quantities are very small relative to typical outstanding floats, the transaction is procedural. Subsequent filings may disclose settlement details or additional planned dispositions; timing and cash‑flow treatment are not specified in the excerpt.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	187	4097.17	68325927	03/17/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	03/15/2026	Restricted Stock Units	Issuer			187	03/15/2026	N/A

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
10b5-1 Sales for MARK NOVARA 12400 High Bluff Drive San Diego CA 92130	Common	03/05/2026	2	45.62

144: Remarks and Signature

Remarks

Date of Notice

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the TNDM Form 144 report?

The Form 144 reports a proposed resale of 187 Common shares tied to Restricted Stock Units dated 03/15/2026 and a completed 10b5-1 sale of 2 shares on 03/05/2026 at $45.62. The broker is listed as Morgan Stanley Smith Barney LLC.

Who is the reporting party on the TNDM Form 144?

The filing identifies Mark Novara as the reporting individual and lists Morgan Stanley Smith Barney LLC Executive Financial Services as the broker. The document includes the reporting address for Mark Novara in San Diego, CA.

Were any open‑market sales executed per the TNDM filing?

Yes; the excerpt shows a 10b5-1 sale of 2 Common shares executed on 03/05/2026 at $45.62. The filing records this disposition as a prior sale within the past three months.

Does the Form 144 disclose proceeds recipients for the sale?

The provided excerpt does not state who receives proceeds. The filing lists the broker and the reporting person but does not specify the cash‑flow treatment or use of proceeds in the visible content.

Are the 187 shares described as restricted or unrestricted?

The filing ties the 187 shares to Restricted Stock Units with an effective date of 03/15/2026, indicating those shares originated from RSUs rather than being free trading at the time of the notice.