Vosseller Leigh insider trades
Vosseller Leigh has filed 42 Form 4s with the SEC that we hold, all for Tandem Diabetes Care INC (TNDM), as EVP & CHIEF FINANCIAL OFFICER. Across all of them we count 6 purchases worth $530.2K and 8 sales worth $6.5M reported on Form 4. None of these purchases or sales is dated in the last 12 months. The largest single trade was a sale of 10,000 shares of Tandem Diabetes Care INC worth $1.4M, dated 2021-11-03. The first filing on our record is dated 2021-08-31 and the latest 2026-08-18.
Tandem Diabetes Care INC (TNDM)
| Trade date | Code | Shares | Value as filed | Filed | Source |
|---|---|---|---|---|---|
| 2021-09-13 | S, sale reported on Form 4 | 2,000 | $244.8K | 2021-09-15 | SEC |
| 2021-09-13 | S, sale reported on Form 4 | 1,300 | $157.8K | 2021-09-15 | SEC |
| 2021-09-13 | S, sale reported on Form 4 | 6,700 | $804.9K | 2021-09-15 | SEC |
| 2021-09-15 | S, sale reported on Form 4 | 3,500 | $437.5K | 2021-09-17 | SEC |
| 2021-09-16 | S, sale reported on Form 4 | 6,500 | $812.5K | 2021-09-17 | SEC |
| 2021-10-12 | S, sale reported on Form 4 | 10,000 | $1.3M | 2021-10-14 | SEC |
| 2021-10-14 | S, sale reported on Form 4 | 10,000 | $1.4M | 2021-10-14 | SEC |
| 2021-11-03 | S, sale reported on Form 4 | 10,000 | $1.4M | 2021-11-05 | SEC |
| 2022-05-06 | P, purchase reported on Form 4 | 1,000 | $74.9K | 2022-05-10 | SEC |
| 2022-05-06 | P, purchase reported on Form 4 | 1,000 | $76.6K | 2022-05-10 | SEC |
| 2022-05-09 | P, purchase reported on Form 4 | 500 | $35.0K | 2022-05-10 | SEC |
| 2023-05-12 | P, purchase reported on Form 4 | 3,015 | $98.8K | 2023-05-16 | SEC |
| 2023-11-08 | P, purchase reported on Form 4 | 6,200 | $95.4K | 2023-11-13 | SEC |
| 2025-08-08 | P, purchase reported on Form 4 | 13,720 | $149.4K | 2025-08-11 | SEC |
Counted from the Form 4 filings this reporting owner (SEC CIK 1726322) filed on EDGAR. Values are the transaction values as filed. See every filing on EDGAR, or browse insider buying and today's insider purchases.

