| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Director
2 companies
Michael B Gustafson is Director at PDFS, with reported holdings spanning 2 companies. From February 2018 to July 2026, the filings on record show 3 open-market purchases and 8 sales. Michael B Gustafson's net worth is not public. Form 4 filings only show shares in the companies where this person is an insider; those holdings are worth an estimated $2.2M at current prices.
Our model assigns Michael B Gustafson a middling insider score of 65/100, based on 11 past trades. Over a 12-month horizon, 63.6% of those trades were profitable, with an average 12-month return of +15.7%.
Michael B Gustafson's largest disclosed position is in PDFS as Director, worth about $1.7M. The PDFS filings lean toward selling, a net 19,166 shares.
| Date | Ticker | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|
| Feb 12, 2018 | MRAM Everspin Technologies Inc. | Director | Buy | 14,286 | $7.00 | $100,002.00 | New |