Donald K. Grierson serves as Executive at PARAMETRIC TECHNOLOGY CORP, where they oversee executive responsibilities. Since joining the company, Donald K. Grierson has executed 54 insider transactions totaling $6.3M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 2, 2006 involved exercising options for 5,000 shares valued at $42.5K.
Donald K. Grierson currently holds 42,426 shares of PARAMETRIC TECHNOLOGY CORP (PMTC), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Donald K. Grierson has been a net seller of PMTC stock. They have purchased $0 and sold $6.3M worth of shares.
Donald K. Grierson's most recent insider trade was on Nov 2, 2006, when they sold 5,000 shares at $8.50 per share.
Get notified when new Form 4 filings are submitted
| 7,500 |
| $4.98 |
| Discretionary |
| Nov 2, 2006 | PMTC | $231.4K | Sale | 12,500 | $18.51 | Discretionary |
| Mar 1, 2006 | PMTC | $0 | Award | 12,000 | $N/A | Discretionary |