- Corporate Officers - G
- Gustafson Michael B
Insider Trading History of Gustafson Michael B
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Gustafson Michael B since 2018.
This trader's CIK number is 1245081.
At the time of last reporting, Gustafson Michael B was the Officer of Pdf Solutions Inc. (stock ticker symbol PDFS).
Also see all insider trading activities at Pdf Solutions Inc.
Note that in the past
GUSTAFSON MICHAEL B also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Everspin Technologies Inc. (MRAM) by Gustafson Michael B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | MRAM | 0 | $0 | 14,286 | $181,432 | 0 | $0 |
| 2018 | MRAM | 14,286 | $100,002 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Pdf Solutions Inc (PDFS) by Gustafson Michael B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | PDFS | 11,500 | $238,115 | 0 | $0 | 0 | $0 |
| 2023 | PDFS | 0 | $0 | 19,066 | $673,971 | 0 | $0 |
| 2022 | PDFS | 0 | $0 | 15,000 | $448,800 | 0 | $0 |
| 2021 | PDFS | 0 | $0 | 3,000 | $98,991 | 0 | $0 |
| 2019 | PDFS | 0 | $0 | 3,600 | $53,983 | 0 | $0 |
Yearly summary of insider trading at Matterport, Inc./de (MTTR) by Gustafson Michael B
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2025 | MTTR | 0 | $0 | 0 | $0 | 475,645 | $165,048 |
| 2024 | MTTR | 0 | $0 | 0 | $0 | 60,763 | $0 |
| 2023 | MTTR | 0 | $0 | 0 | $0 | 38,126 | $0 |
Insider trading activities at 3 companies by Gustafson Michael B:
1. Everspin Technologies Inc. (MRAM)
2. Pdf Solutions Inc (PDFS)
3. Matterport, Inc./de (MTTR)
Table 1. Insider trading of Everspin Technologies Inc. (MRAM) by Gustafson Michael B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-11-17 | MRAM | Sale | 14,286 | 12.70 | 181,432 |
| 2018-02-12 | MRAM | Buy | 14,286 | 7.00 | 100,002 |
Table 2. Insider trading of Pdf Solutions Inc (PDFS) by Gustafson Michael B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-05-13 | PDFS | Buy | 7,500 | 19.45 | 145,875 |
| 2025-02-24 | PDFS | Buy | 4,000 | 23.06 | 92,240 |
| 2023-12-13 | PDFS | Sale | 4,883 | 30.86 | 150,689 |
| 2023-12-12 | PDFS | Sale | 867 | 31.29 | 27,128 |
| 2023-02-28 | PDFS | Sale | 13,316 | 37.26 | 496,154 |
| 2022-11-15 | PDFS | Sale | 2,500 | 29.79 | 74,475 |
| 2022-11-16 | PDFS | Sale | 2,500 | 30.05 | 75,125 |
| 2022-11-15 | PDFS | Sale | 2,500 | 29.79 | 74,475 |
| 2022-11-16 | PDFS | Sale | 2,500 | 30.05 | 75,125 |
| 2022-11-15 | PDFS | Sale | 2,500 | 29.79 | 74,475 |
| 2022-11-16 | PDFS | Sale | 2,500 | 30.05 | 75,125 |
| 2021-11-12 | PDFS | Sale | 3,000 | 33.00 | 98,991 |
| 2019-11-05 | PDFS | Sale | 386 | 15.97 | 6,164 |
| 2019-11-06 | PDFS | Sale | 2,214 | 15.75 | 34,870 |
| 2019-06-13 | PDFS | Sale | 1,000 | 12.95 | 12,949 |
Table 3. Insider trading of Matterport, Inc./de (MTTR) by Gustafson Michael B
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2025-02-19 | MTTR | Option Ex | 475,645 | .35 | 165,048 |
| 2024-06-10 | MTTR | Option Ex | 60,763 | .00 | 0 |
| 2023-06-13 | MTTR | Option Ex | 38,126 | .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 Gustafson Michael B
(Officer of Pdf Solutions Inc at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.