The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Twomey Christopher J since 2018.
This trader's CIK number is 1238935.
At the time of last reporting, Twomey Christopher J was the Director of Tandem Diabetes Care Inc. (stock ticker symbol TNDM).
Also see all insider trading activities at Tandem Diabetes Care Inc.
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2025 | TNDM | 0 | $0 | 0 | $0 | 4,387 | $90,547 |
| 2024 | TNDM | 0 | $0 | 0 | $0 | 4,434 | $229,370 |
| 2023 | TNDM | 0 | $0 | 0 | $0 | 2,757 | $0 |
| 2022 | TNDM | 0 | $0 | 0 | $0 | 2,205 | $0 |
| 2021 | TNDM | 0 | $0 | 25,269 | $2,661,472 | 2,216 | $23,887 |
| 2020 | TNDM | 0 | $0 | 26,808 | $2,598,510 | 0 | $0 |
| 2018 | TNDM | 75,000 | $150,000 | 0 | $0 | 0 | $0 |
| Insider Buying | Insider Sales | Option Exercises | |||||
|---|---|---|---|---|---|---|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
| 2018 | BNGO | 10,000 | $61,250 | 0 | $0 | 0 | $0 |
1. Tandem Diabetes Care Inc (TNDM)
2. Bionano Genomics, Inc. (BNGO)
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2025-05-22 | TNDM | Option Ex | 4,387 | 20.64 | 90,547 |
| 2024-05-24 | TNDM | Option Ex | 4,434 | 51.73 | 229,370 |
| 2023-05-25 | TNDM | Option Ex | 2,757 | .00 | 0 |
| 2022-05-18 | TNDM | Option Ex | 2,205 | .00 | 0 |
| 2021-09-07 | TNDM | Sale | 304 | 123.00 | 37,392 |
| 2021-09-02 | TNDM | Sale | 8,696 | 115.00 | 1,000,074 |
| 2021-07-29 | TNDM | Sale | 8,000 | 105.00 | 840,000 |
| 2021-05-27 | TNDM | Option Ex | 1,892 | .00 | 0 |
| 2021-05-19 | TNDM | Option Ex | 324 | 73.73 | 23,887 |
| 2021-05-19 | TNDM | Sale | 269 | 89.03 | 23,949 |
| 2021-04-21 | TNDM | Sale | 3,198 | 95.02 | 303,867 |
| 2021-04-22 | TNDM | Sale | 4,802 | 95.00 | 456,190 |
| 2020-07-31 | TNDM | Sale | 7,500 | 110.03 | 825,240 |
| 2020-07-02 | TNDM | Sale | 7,500 | 100.46 | 753,465 |
| 2020-05-07 | TNDM | Sale | 7,500 | 90.02 | 675,165 |
| 2020-04-30 | TNDM | Sale | 4,308 | 80.00 | 344,640 |
| 2018-02-09 | TNDM | Buy | 75,000 | 2.00 | 150,000 |
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|---|---|---|---|---|
| 2018-08-23 | BNGO | Buy | 10,000 | 6.12 | 61,250 |
Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Twomey Christopher J (Director of Tandem Diabetes Care Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.