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Vosseller Leigh insider trades
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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)

EVP & CHIEF FINANCIAL OFFICER · 42 filings · 14 purchases and sales
Trade dateCodeSharesValue as filedFiledSource
2021-09-13S, sale reported on Form 42,000$244.8K2021-09-15SEC
2021-09-13S, sale reported on Form 41,300$157.8K2021-09-15SEC
2021-09-13S, sale reported on Form 46,700$804.9K2021-09-15SEC
2021-09-15S, sale reported on Form 43,500$437.5K2021-09-17SEC
2021-09-16S, sale reported on Form 46,500$812.5K2021-09-17SEC
2021-10-12S, sale reported on Form 410,000$1.3M2021-10-14SEC
2021-10-14S, sale reported on Form 410,000$1.4M2021-10-14SEC
2021-11-03S, sale reported on Form 410,000$1.4M2021-11-05SEC
2022-05-06P, purchase reported on Form 41,000$74.9K2022-05-10SEC
2022-05-06P, purchase reported on Form 41,000$76.6K2022-05-10SEC
2022-05-09P, purchase reported on Form 4500$35.0K2022-05-10SEC
2023-05-12P, purchase reported on Form 43,015$98.8K2023-05-16SEC
2023-11-08P, purchase reported on Form 46,200$95.4K2023-11-13SEC
2025-08-08P, purchase reported on Form 413,720$149.4K2025-08-11SEC
Source

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.

Source: U.S. Securities and Exchange Commission (EDGAR) and other official government data · Updated 2026-10-28 · For informational purposes only, not investment advice.
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