Notice of Proposed Sale · 144
Tandem Diabetes Care, Inc.
TNDMNASDAQEQUITYCurrent
Notice of Proposed Sale
Structured filing — 144
primary_doc.xml
Notice of proposed sale. The proposed amounts below do not establish that a sale occurred.
Proposed-sale notice
- Issuer
- Tandem Diabetes Care, Inc.
- Issuer CIK
- 0001438133
- SEC file number
- 001-36189
- Phone
- 8583666900
- Person for whose account securities are to be sold
- MARK NOVARA
- Relationships to issuer
- Officer
- Street
- 12400 High Bluff Drive
- City
- San Diego
- State / country code
- CA
- Postal code
- 92130
Securities proposed for sale
| Security | Proposed units | Aggregate market value | Units outstanding | Approximate sale date | Exchange | Broker / market maker |
|---|---|---|---|---|---|---|
| Common | 131 | 2,915.41 | 69,578,707 | 08/18/2026 | NASDAQ | Morgan Stanley Smith Barney LLC Executive Financial Services |
Broker / market maker — proposed row 1, entry 1
- Name
- Morgan Stanley Smith Barney LLC Executive Financial Services
- Street
- 1 New York Plaza
- Street (continued)
- 8th Floor
- City
- New York
- State / country code
- NY
- Postal code
- 10004
Acquisition of securities to be sold
| Security | Acquired | Nature of acquisition | Acquired from | Amount acquired | Gift transaction | Payment date | Nature of payment |
|---|---|---|---|---|---|---|---|
| Common | 08/15/2026 | Restricted Stock Units | Issuer | 131 | N | 08/15/2026 | N/A |
Sales reported in the preceding three months
| Seller | Security | Sale date | Amount sold | Gross proceeds |
|---|---|---|---|---|
| 10b5-1 Sales for MARK NOVARA | Common | 06/17/2026 | 361 | 5,934.84 |
| 10b5-1 Sales for MARK NOVARA | Common | 05/19/2026 | 266 | 3,598.98 |
Seller — prior-sale row 1, entry 1
- Name
- 10b5-1 Sales for MARK NOVARA
- Street
- 12400 High Bluff Drive
- City
- San Diego
- State / country code
- CA
- Postal code
- 92130
Seller — prior-sale row 2, entry 1
- Name
- 10b5-1 Sales for MARK NOVARA
- Street
- 12400 High Bluff Drive
- City
- San Diego
- State / country code
- CA
- Postal code
- 92130
Prior-sale reporting
- Nothing to report for the preceding three months
- N
Notice signature
- Notice date
- 08/18/2026
- Signed
- /s/ Mark Novara
- Plan adoption dates
- 12/04/2025
Company context
Tandem Diabetes Care, a global insulin delivery and diabetes technology company, manufactures and sells advanced automated insulin delivery systems that reduce the burden of diabetes management, while creating new possibilities for patients, their loved ones, and healthcare providers. The Company’s pump portfolio features the Tandem Mobi system and the t:slim X2 insulin pump, both of which feature Control-IQ+ advanced hybrid closed-loop technology. Tandem Diabetes Care is headquartered in San Diego, California. For more information, visit tandemdiabetes.com.