Michael B. Gustafson made one open market purchase of PDF Solutions Inc. ($PDFS) shares in the last year, totaling nearly $146,000, with the most recent on May 13, 2025. This ranks him 1,850th among nearly 5,000 insiders by purchase value, well below the average of $1.5 million across 3.3 transactions. He reported no open market sales.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| July 1, 2025 | PDF SOLUTIONS INC | $PDFS | GUSTAFSON MICHAEL B | Director | A | Common Stock | 7429 | $0.00 | 37,503.0000 | 39,105,000 | 24.70% | 0.02% |
| May 13, 2025 | PDF SOLUTIONS INC | $PDFS | GUSTAFSON MICHAEL B | Not found | P | Common Stock | 7500 | $19.45 | 30,074.0000 | 39,105,000 | 33.22% | 0.02% |
| Feb. 24, 2025 | PDF SOLUTIONS INC | $PDFS | GUSTAFSON MICHAEL B | Not found | P | Common Stock | 4000 | $23.06 | 22,574.0000 | 39,105,000 | 21.54% | 0.01% |
| July 1, 2024 | PDF SOLUTIONS INC | $PDFS | GUSTAFSON MICHAEL B | Not found | A | Common Stock | 4382 | $0.00 | 18,574.0000 | 0 | 30.88% | 0.00% |