- Corporate Officers - D
- Dreyer Michael L
Insider Trading History of Dreyer Michael L
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Dreyer Michael L since 2015.
This trader's CIK number is 1560297.
At the time of last reporting, Dreyer Michael L was the Officer of Coherent Corp.. (stock ticker symbol COHR).
Also see all insider trading activities at Coherent Corp..
Note that in the past
Dreyer Michael L also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Coherent Corp. (COHR) by Dreyer Michael L
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | COHR | 0 | $0 | 11,570 | $1,676,203 | 0 | $0 |
Yearly summary of insider trading at Svb Financial Group (SIVB) by Dreyer Michael L
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2018 | SIVB | 0 | $0 | 0 | $0 | 3,049 | $0 |
| 2017 | SIVB | 0 | $0 | 0 | $0 | 2,774 | $0 |
| 2016 | SIVB | 0 | $0 | 0 | $0 | 2,016 | $0 |
Yearly summary of insider trading at F5, Inc. (FFIV) by Dreyer Michael L
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | FFIV | 0 | $0 | 1,800 | $514,722 | 1,309 | $0 |
| 2024 | FFIV | 0 | $0 | 0 | $0 | 1,770 | $0 |
| 2023 | FFIV | 0 | $0 | 2,750 | $393,780 | 1,272 | $0 |
| 2022 | FFIV | 0 | $0 | 0 | $0 | 1,282 | $0 |
| 2021 | FFIV | 0 | $0 | 6,000 | $1,122,840 | 2,543 | $0 |
| 2020 | FFIV | 0 | $0 | 0 | $0 | 1,633 | $0 |
| 2019 | FFIV | 0 | $0 | 0 | $0 | 1,688 | $0 |
| 2018 | FFIV | 0 | $0 | 5,679 | $1,039,433 | 1,740 | $0 |
| 2017 | FFIV | 0 | $0 | 0 | $0 | 2,540 | $0 |
| 2016 | FFIV | 0 | $0 | 0 | $0 | 2,212 | $0 |
| 2015 | FFIV | 0 | $0 | 0 | $0 | 1,861 | $0 |
Insider trading activities at 3 companies by Dreyer Michael L:
1. Coherent Corp. (COHR)
2. Svb Financial Group (SIVB)
3. F5, Inc. (FFIV)
Table 1. Insider trading of Coherent Corp. (COHR) by Dreyer Michael L
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-11-14 | COHR | Sale | 11,570 | 144.88 | 1,676,203 |
Table 2. Insider trading of Svb Financial Group (SIVB) by Dreyer Michael L
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2018-11-12 | SIVB | Option Ex | 2,016 | .00 | 0 |
| 2018-08-01 | SIVB | Option Ex | 758 | .00 | 0 |
| 2018-05-02 | SIVB | Option Ex | 275 | .00 | 0 |
| 2017-11-12 | SIVB | Option Ex | 2,016 | .00 | 0 |
| 2017-08-01 | SIVB | Option Ex | 758 | .00 | 0 |
| 2016-11-12 | SIVB | Option Ex | 2,016 | .00 | 0 |
Table 3. Insider trading of F5, Inc. (FFIV) by Dreyer Michael L
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-05-27 | FFIV | Sale | 1,800 | 285.96 | 514,722 |
| 2025-03-12 | FFIV | Option Ex | 1,309 | .00 | 0 |
| 2024-03-13 | FFIV | Option Ex | 1,770 | .00 | 0 |
| 2023-05-24 | FFIV | Sale | 2,750 | 143.19 | 393,780 |
| 2023-03-08 | FFIV | Option Ex | 1,272 | .00 | 0 |
| 2022-03-09 | FFIV | Option Ex | 1,282 | .00 | 0 |
| 2021-05-03 | FFIV | Sale | 6,000 | 187.14 | 1,122,840 |
| 2021-03-10 | FFIV | Option Ex | 2,543 | .00 | 0 |
| 2020-03-11 | FFIV | Option Ex | 1,633 | .00 | 0 |
| 2019-03-13 | FFIV | Option Ex | 1,688 | .00 | 0 |
| 2018-08-21 | FFIV | Sale | 5,679 | 183.03 | 1,039,433 |
| 2018-03-14 | FFIV | Option Ex | 1,740 | .00 | 0 |
| 2017-03-08 | FFIV | Option Ex | 2,540 | .00 | 0 |
| 2016-03-09 | FFIV | Option Ex | 2,212 | .00 | 0 |
| 2015-03-11 | FFIV | Option Ex | 1,861 | .00 | 0 |
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 Dreyer Michael L
(Officer of Coherent Corp. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.