Roeder Douglas A insider trades
Roeder Douglas A has filed 25 Form 4s with the SEC that we hold, for Senseonics Holdings, Inc. (SENS) (Director) and Tandem Diabetes Care INC (TNDM) (Director). Across all of them we count 8 purchases worth $774.2K and 2 sales worth $1.2M reported on Form 4. In the last 12 months: 4 purchases ($439.2K) and 0 sales ($0). The largest single trade was a sale of 215,747 shares of Senseonics Holdings, Inc. worth $755.1K, dated 2021-08-25. The first filing on our record is dated 2021-08-26 and the latest 2026-10-05.
Senseonics Holdings, Inc. (SENS)
| Trade date | Code | Shares | Value as filed | Filed |
|---|---|---|---|---|
| 2021-08-24 | S, sale reported on Form 4 | 125,342 | $457.5K | 2021-08-26 |
| 2021-08-25 | S, sale reported on Form 4 | 215,747 | $755.1K | 2021-08-26 |
| 2023-08-30 | P, purchase reported on Form 4 | 300,000 | $162.0K | 2023-08-31 |
| 2024-12-12 | P, purchase reported on Form 4 | 300,000 | $123.0K | 2024-12-16 |
| 2024-12-13 | P, purchase reported on Form 4 | 75,000 | $37.5K | 2024-12-20 |
| 2024-12-13 | P, purchase reported on Form 4 | 25,000 | $12.5K | 2024-12-16 |
| 2025-11-07 | P, purchase reported on Form 4 | 15,000 | $87.5K | 2025-11-10 |
| 2026-03-13 | P, purchase reported on Form 4 | 17,500 | $100.3K | 2026-03-16 |
| 2026-05-12 | P, purchase reported on Form 4 | 22,686 | $126.1K | 2026-05-13 |
| 2026-08-19 | P, purchase reported on Form 4 | 13,953 | $125.3K | 2026-08-20 |
Tandem Diabetes Care INC (TNDM)
No purchase or sale of common stock reported here; these filings cover grants, option exercises or other codes.
Counted from the Form 4 filings this reporting owner (SEC CIK 1270735) 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 2026-10-12 ·
For informational purposes only, not investment advice.
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