Gregory C. Walker serves as Executive at PDF SOLUTIONS INC, where they oversee executive responsibilities. Since joining the company, Gregory C. Walker has executed 57 insider transactions totaling $3.2M, demonstrating a bearish approach to their equity position. Their most recent transaction on Jul 1, 2018 involved selling 407 shares valued at $4.9K.
Gregory C. Walker currently holds 21,468 shares of PDF SOLUTIONS INC (PDFS), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Gregory C. Walker has been a net seller of PDFS stock. They have purchased $0 and sold $3.2M worth of shares.
Gregory C. Walker's most recent insider trade was on Jul 1, 2018, when they sold 407 shares at $11.98 per share.
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| $13.07 |
| Discretionary |
| Jan 1, 2018 | PDFS | $3.2K | Payment | 206 | $15.70 | Discretionary |
| Dec 1, 2017 | PDFS | $11.2K | Payment | 659 | $16.93 | Discretionary |
| Jul 1, 2017 | PDFS | $7.3K | Payment | 442 | $16.45 | Discretionary |
| Jun 1, 2017 | PDFS | $0 | Award | 5,513 | $N/A | Discretionary |
| Jun 1, 2017 | PDFS | $31.7K | Payment | 1,924 | $16.50 | Discretionary |
| May 1, 2017 | PDFS | $5.6K | Payment | 320 | $17.58 | Discretionary |
| Jan 1, 2017 | PDFS | $4.6K | Payment | 205 | $22.55 | Discretionary |
| Dec 1, 2016 | PDFS | $14.5K | Payment | 659 | $21.95 | Discretionary |
| Nov 8, 2016 | PDFS | $123.6K | Sale | 6,229 | $19.85 | Discretionary |
| Nov 1, 2016 | PDFS | $6.3K | Payment | 327 | $19.32 | Discretionary |
| Sep 12, 2016 | PDFS | $42.4K | Sale | 2,665 | $15.90 | Discretionary |
| Aug 9, 2016 | PDFS | $40.5K | Sale | 2,382 | $17.00 | Discretionary |
| Jul 1, 2016 | PDFS | $3.7K | Payment | 265 | $14.14 | Discretionary |
| Jul 1, 2016 | PDFS | $0 | Award | 6,563 | $N/A | Discretionary |
| Jun 1, 2016 | PDFS | $21.2K | Payment | 1,412 | $15.03 | Discretionary |
| May 28, 2016 | PDFS | $9.2K | Payment | 638 | $14.44 | Discretionary |
| May 1, 2016 | PDFS | $4.7K | Payment | 346 | $13.45 | Discretionary |
| Dec 1, 2015 | PDFS | $10.2K | Payment | 913 | $11.22 | Discretionary |
| Nov 1, 2015 | PDFS | $4.8K | Payment | 454 | $10.56 | Discretionary |
| Nov 1, 2015 | PDFS | $4.8K | Payment | 454 | $10.56 | Discretionary |
| Jun 1, 2015 | PDFS | $0 | Award | 9,750 | $N/A | Discretionary |
| Jun 1, 2015 | PDFS | $25.6K | Payment | 1,552 | $16.48 | Discretionary |
| May 28, 2015 | PDFS | $14.6K | Payment | 908 | $16.12 | Discretionary |
| May 1, 2015 | PDFS | $7.5K | Payment | 454 | $16.50 | Discretionary |
| Feb 23, 2015 | PDFS | $715.0K | Option Exercise | 117,401 | $6.09 | Discretionary |
| Feb 23, 2015 | PDFS | $2.1M | Sale | 117,401 | $17.52 | Discretionary |
| Feb 20, 2015 | PDFS | $159.9K | Sale | 9,006 | $17.75 | Discretionary |
| Feb 20, 2015 | PDFS | $54.8K | Option Exercise | 9,006 | $6.09 | Discretionary |