- Corporate Officers - B
- Bell Michael Brian
Insider Trading History of Bell Michael Brian
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Bell Michael Brian since 2017.
This trader's CIK number is 1702824.
At the time of last reporting, Bell Michael Brian was the Chief Financial Officer of Guardant Health, Inc.. (stock ticker symbol GH).
Also see all insider trading activities at Guardant Health, Inc..
Note that in the past
Bell Michael Brian also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Guardant Health, Inc. (GH) by Bell Michael Brian
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | GH | 0 | $0 | 0 | $0 | 27,746 | $0 |
| 2024 | GH | 0 | $0 | 0 | $0 | 28,563 | $0 |
| 2023 | GH | 0 | $0 | 0 | $0 | 15,248 | $0 |
Yearly summary of insider trading at Caredx, Inc. (CDNA) by Bell Michael Brian
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2020 | CDNA | 0 | $0 | 89,710 | $3,241,673 | 61,456 | $439,196 |
| 2019 | CDNA | 0 | $0 | 75,120 | $2,304,073 | 49,289 | $222,308 |
| 2018 | CDNA | 0 | $0 | 28,855 | $620,383 | 0 | $0 |
| 2017 | CDNA | 725 | $1,325 | 0 | $0 | 0 | $0 |
Insider trading activities at 2 companies by Bell Michael Brian:
1. Guardant Health, Inc. (GH)
2. Caredx, Inc. (CDNA)
Table 1. Insider trading of Guardant Health, Inc. (GH) by Bell Michael Brian
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-07-01 | GH | Option Ex | 2,084 | .00 | 0 |
| 2025-06-15 | GH | Option Ex | 3,272 | .00 | 0 |
| 2025-04-01 | GH | Option Ex | 2,084 | .00 | 0 |
| 2025-03-15 | GH | Option Ex | 3,272 | .00 | 0 |
| 2025-03-01 | GH | Option Ex | 7,108 | .00 | 0 |
| 2025-02-01 | GH | Option Ex | 6,617 | .00 | 0 |
| 2025-01-15 | GH | Option Ex | 3,309 | .00 | 0 |
| 2024-12-15 | GH | Option Ex | 3,272 | .00 | 0 |
| 2024-10-01 | GH | Option Ex | 8,211 | .00 | 0 |
| 2024-09-15 | GH | Option Ex | 3,272 | .00 | 0 |
| 2024-06-15 | GH | Option Ex | 9,267 | .00 | 0 |
| 2024-03-15 | GH | Option Ex | 1,233 | .00 | 0 |
| 2024-01-15 | GH | Option Ex | 3,308 | .00 | 0 |
| 2023-12-15 | GH | Option Ex | 1,233 | .00 | 0 |
| 2023-09-15 | GH | Option Ex | 1,233 | .00 | 0 |
| 2023-06-15 | GH | Option Ex | 1,233 | .00 | 0 |
| 2023-03-15 | GH | Option Ex | 4,931 | .00 | 0 |
| 2023-01-15 | GH | Option Ex | 3,309 | .00 | 0 |
| 2023-01-15 | GH | Option Ex | 3,309 | .00 | 0 |
Table 2. Insider trading of Caredx, Inc. (CDNA) by Bell Michael Brian
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2020-11-03 | CDNA | Option Ex | 25,640 | 9.24 | 236,836 |
| 2020-11-03 | CDNA | Sale | 32,574 | 48.15 | 1,568,503 |
| 2020-05-06 | CDNA | Option Ex | 35,816 | 5.65 | 202,360 |
| 2020-05-06 | CDNA | Sale | 57,136 | 29.28 | 1,673,170 |
| 2019-06-20 | CDNA | Option Ex | 14,702 | 5.65 | 83,066 |
| 2019-06-20 | CDNA | Sale | 14,702 | 38.81 | 570,599 |
| 2019-05-20 | CDNA | Option Ex | 2,202 | 4.00 | 8,812 |
| 2019-05-20 | CDNA | Sale | 2,202 | 32.10 | 70,693 |
| 2019-05-09 | CDNA | Sale | 14,894 | 32.42 | 482,878 |
| 2019-05-09 | CDNA | Option Ex | 2,201 | 4.00 | 8,808 |
| 2019-03-01 | CDNA | Sale | 13,000 | 31.36 | 407,745 |
| 2019-02-20 | CDNA | Option Ex | 2,062 | 4.40 | 9,078 |
| 2019-02-20 | CDNA | Sale | 2,200 | 26.30 | 57,860 |
| 2019-02-15 | CDNA | Sale | 28,122 | 25.40 | 714,298 |
| 2019-02-15 | CDNA | Option Ex | 28,122 | 4.00 | 112,544 |
| 2018-09-13 | CDNA | Sale | 16,355 | 25.06 | 409,921 |
| 2018-08-14 | CDNA | Sale | 12,500 | 16.84 | 210,462 |
| 2017-08-15 | CDNA | Buy | 725 | 1.83 | 1,325 |
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 Bell Michael Brian
(Chief Financial Officer of Guardant Health, Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.