Mark Elliott Boulding serves as Executive at PTC THERAPEUTICS, INC., where they oversee executive responsibilities. Since joining the company, Mark Elliott Boulding has executed 166 insider transactions totaling $26.0M, demonstrating a bearish approach to their equity position. Their most recent transaction on Nov 17, 2025 involved exercising options for 2,812 shares valued at $72.2K.
Mark Elliott Boulding currently holds 106,713 shares of PTC THERAPEUTICS, INC. (PTCT), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, Mark Elliott Boulding has been a net seller of PTCT stock. They have purchased $0 and sold $26.0M worth of shares.
Mark Elliott Boulding's most recent insider trade was on Nov 17, 2025, when they sold 2,812 shares at $25.69 per share.
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| $77.18 |
| Discretionary |
| Nov 17, 2025 | PTCT | $59.5K | Sale | 777 | $76.53 | Discretionary |
| Nov 17, 2025 | PTCT | $139.4K | Sale | 1,843 | $75.64 | Discretionary |
| Oct 7, 2025 | PTCT | $83.3K | Sale | 1,306 | $63.80 | Discretionary |
| Oct 7, 2025 | PTCT | $20.3K | Sale | 312 | $64.97 | Discretionary |
| Oct 7, 2025 | PTCT | $128.6K | Option Exercise | 3,375 | $38.10 | Discretionary |
| Oct 7, 2025 | PTCT | $110.5K | Sale | 1,757 | $62.89 | Discretionary |
| Oct 6, 2025 | PTCT | $147.4K | Sale | 2,266 | $65.07 | Discretionary |
| Oct 6, 2025 | PTCT | $89.3K | Option Exercise | 2,266 | $39.42 | Discretionary |
| Oct 3, 2025 | PTCT | $100.7K | Sale | 1,500 | $67.15 | Discretionary |
| Oct 3, 2025 | PTCT | $491.7K | Sale | 7,400 | $66.44 | Discretionary |
| Oct 3, 2025 | PTCT | $400.9K | Sale | 6,124 | $65.47 | Discretionary |
| Oct 3, 2025 | PTCT | $199.7K | Sale | 3,100 | $64.43 | Discretionary |
| Oct 3, 2025 | PTCT | $714.4K | Option Exercise | 18,124 | $39.42 | Discretionary |
| Oct 3, 2025 | PTCT | $58.5K | Sale | 877 | $66.67 | Discretionary |
| Oct 3, 2025 | PTCT | $55.1K | Sale | 838 | $65.72 | Discretionary |
| Oct 3, 2025 | PTCT | $35.4K | Sale | 550 | $64.44 | Discretionary |
| Oct 3, 2025 | PTCT | $89.3K | Option Exercise | 2,265 | $39.42 | Discretionary |
| Oct 3, 2025 | PTCT | $60.4K | Sale | 906 | $66.63 | Discretionary |
| Oct 3, 2025 | PTCT | $54.2K | Sale | 824 | $65.73 | Discretionary |
| Oct 3, 2025 | PTCT | $34.5K | Sale | 536 | $64.43 | Discretionary |
| Oct 3, 2025 | PTCT | $89.3K | Option Exercise | 2,266 | $39.42 | Discretionary |
| Sep 12, 2025 | PTCT | $55.4K | Sale | 905 | $61.21 | Discretionary |
| Sep 12, 2025 | PTCT | $34.5K | Option Exercise | 905 | $38.10 | Discretionary |
| Sep 12, 2025 | PTCT | $62.5K | Sale | 1,019 | $61.31 | Discretionary |
| Sep 12, 2025 | PTCT | $38.8K | Option Exercise | 1,019 | $38.10 | Discretionary |
| Sep 12, 2025 | PTCT | $33.8K | Sale | 544 | $62.09 | Discretionary |
| Sep 12, 2025 | PTCT | $1.4M | Sale | 22,117 | $61.33 | Discretionary |
| Sep 12, 2025 | PTCT | $863.4K | Option Exercise | 22,661 | $38.10 | Discretionary |