Almstead Neil Gregory - Insider Non-Derivative Transactions at PTC THERAPEUTICS, INC. (PTCT) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Nov 25, 2025, Almstead Neil Gregory's relationship to PTC THERAPEUTICS, INC. (PTCT) is Officer (CHIEF TECHNICAL OPS OFFICER), and currently has 148,249 shares of Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other PTCT insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Almstead Neil Gregory - Insider Non-Derivative Transactions of PTCT Common Stock
Almstead Neil Gregory - Insider Non-Derivative Transactions at PTCT
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 26, 2025 | Sell -- (Common Stock) | 200 | 85.34 | 100625 |
| Nov 26, 2025 | Sell -- (Common Stock) | 574 | 84.67 | 100625 |
| Nov 26, 2025 | Sell -- (Common Stock) | 180 | 85.17 | 100625 |
| Nov 26, 2025 | Sell -- (Common Stock) | 200 | 85.37 | 100625 |
| Nov 26, 2025 | Sell -- (Common Stock) | 3095 | 85.15 | 100625 |
| Nov 26, 2025 | Sell -- (Common Stock) | 289 | 84.61 | 100805 |
| Nov 26, 2025 | Sell -- (Common Stock) | 1757 | 84.56 | 100825 |
| Nov 26, 2025 | Sell -- (Common Stock) | 2621 | 84.54 | 100825 |
| Nov 26, 2025 | Sell -- (Common Stock) | 862 | 83.35 | 101094 |
| Nov 26, 2025 | Sell -- (Common Stock) | 990 | 83.44 | 101199 |
| Nov 26, 2025 | Sell -- (Common Stock) | 689 | 82.63 | 101956 |
| Nov 26, 2025 | Sell -- (Common Stock) | 911 | 82.63 | 102189 |
| Nov 26, 2025 | Sell -- (Common Stock) | 3663 | 83.41 | 102582 |
| Nov 26, 2025 | M -- (Common Stock) | 2020 | 33.02 | 102645 |
| Nov 26, 2025 | M -- (Common Stock) | 2475 | 18.01 | 103100 |
| Nov 26, 2025 | Sell -- (Common Stock) | 4834 | 83.39 | 103446 |
| Nov 26, 2025 | Sell -- (Common Stock) | 9171 | 84.42 | 103720 |
| Nov 26, 2025 | Sell -- (Common Stock) | 2790 | 82.82 | 106245 |
| Nov 26, 2025 | Sell -- (Common Stock) | 3744 | 82.61 | 108280 |
| Nov 26, 2025 | M -- (Common Stock) | 8410 | 18.01 | 109035 |
| Nov 26, 2025 | M -- (Common Stock) | 11399 | 33.02 | 112024 |
| Nov 26, 2025 | Sell -- (Common Stock) | 21844 | 83.33 | 112891 |
| Nov 26, 2025 | Sell -- (Common Stock) | 13514 | 82.55 | 134735 |
| Nov 26, 2025 | M -- (Common Stock) | 47624 | 33.02 | 148249 |
| Nov 25, 2025 | Sell -- (Common Stock) | 1900 | 80.14 | 100625 |
| Nov 25, 2025 | Sell -- (Common Stock) | 1650 | 80.14 | 100625 |
| Nov 25, 2025 | Sell -- (Common Stock) | 4715 | 80.15 | 100625 |
| Nov 25, 2025 | Sell -- (Common Stock) | 21206 | 80.19 | 100625 |
| Nov 25, 2025 | Sell -- (Common Stock) | 6101 | 80.17 | 100625 |
| Nov 25, 2025 | M -- (Common Stock) | 1650 | 33.02 | 102275 |
| Nov 25, 2025 | M -- (Common Stock) | 1900 | 18.01 | 102525 |
| Nov 25, 2025 | M -- (Common Stock) | 4715 | 18.01 | 105340 |
| Nov 25, 2025 | M -- (Common Stock) | 6101 | 33.02 | 106726 |
| Nov 25, 2025 | M -- (Common Stock) | 21206 | 33.02 | 121831 |
| Oct 4, 2025 | Sell -- (Common Stock) | 4276 | 67.15 | 100625 |
| Oct 4, 2025 | Sell -- (Common Stock) | 73 | 67.16 | 100625 |
| Oct 4, 2025 | Sell -- (Common Stock) | 1760 | 66.56 | 100698 |
| Oct 4, 2025 | Sell -- (Common Stock) | 1609 | 65.46 | 102458 |
| Oct 4, 2025 | M -- (Common Stock) | 3442 | 30.86 | 104067 |
| Oct 4, 2025 | Sell -- (Common Stock) | 23863 | 66.45 | 104901 |
| Oct 4, 2025 | Sell -- (Common Stock) | 23419 | 65.45 | 128764 |
| Oct 4, 2025 | M -- (Common Stock) | 51558 | 30.86 | 152183 |
| Feb 21, 2025 | Sell -- (Common Stock) | 34 | 50.12 | 5907 |
| Feb 21, 2025 | Sell -- (Common Stock) | 1578 | 50.12 | 100353 |
| Feb 20, 2025 | Sell -- (Common Stock) | 34 | 50.1 | 5941 |
| Feb 20, 2025 | Sell -- (Common Stock) | 1300 | 50.1 | 101931 |
| Jan 9, 2025 | Sell -- (Common Stock) | 107 | 44.5 | 5975 |
| Jan 9, 2025 | Sell -- (Common Stock) | 1552 | 44.5 | 103231 |
| Jan 8, 2025 | Sell -- (Common Stock) | 55 | 45.34 | 6082 |
| Jan 8, 2025 | Sell -- (Common Stock) | 1265 | 45.34 | 104783 |
| Jan 4, 2025 | Acquisition -- (Common Stock) | 715 | 0 | 6137 |
| Jan 4, 2025 | Acquisition -- (Common Stock) | 19000 | 0 | 106048 |
| Dec 3, 2024 | Sell -- (Common Stock) | 277 | 52.76 | 4576 |
| Dec 3, 2024 | Sell -- (Common Stock) | 1783 | 51.85 | 4853 |
| Dec 3, 2024 | M -- (Common Stock) | 2060 | 51 | 6636 |
| Dec 3, 2024 | Sell -- (Common Stock) | 266 | 52.73 | 86202 |
| Dec 3, 2024 | Sell -- (Common Stock) | 8611 | 52.72 | 86202 |
| Dec 3, 2024 | Sell -- (Common Stock) | 2328 | 51.85 | 86468 |
| Dec 3, 2024 | M -- (Common Stock) | 2594 | 51 | 88796 |
| Dec 3, 2024 | Sell -- (Common Stock) | 58345 | 51.97 | 94813 |
| Dec 3, 2024 | M -- (Common Stock) | 66956 | 51 | 153158 |
| Feb 16, 2024 | Acquisition -- (Common Stock) | 870 | 0 | 4576 |
| Feb 16, 2024 | Acquisition -- (Common Stock) | 19000 | 0 | 80202 |
| Feb 16, 2024 | Acquisition -- (Common Stock) | 6000 | 0 | 86202 |
| Jan 31, 2024 | Sell -- (Common Stock) | 28 | 27.25 | 3706 |
| Jan 31, 2024 | Sell -- (Common Stock) | 618 | 27.25 | 61202 |
| Jan 10, 2024 | Sell -- (Common Stock) | 100 | 29.01 | 3734 |
| Jan 10, 2024 | Sell -- (Common Stock) | 1521 | 29.01 | 61820 |
| Jan 9, 2024 | Sell -- (Common Stock) | 53 | 28.64 | 3834 |
| Jan 9, 2024 | Sell -- (Common Stock) | 1236 | 28.64 | 63341 |
| Feb 1, 2023 | Sell -- (Common Stock) | 28 | 45.63 | 3259 |
| Feb 1, 2023 | Sell -- (Common Stock) | 630 | 45.63 | 63949 |
| Jan 25, 2023 | Sell -- (Common Stock) | 44 | 47.45 | 3287 |
| Jan 12, 2023 | Sell -- (Common Stock) | 27 | 44.36 | 3331 |
| Jan 12, 2023 | Sell -- (Common Stock) | 383 | 44.36 | 64579 |
| Jan 11, 2023 | Sell -- (Common Stock) | 27 | 42.93 | 3358 |
| Jan 11, 2023 | Sell -- (Common Stock) | 473 | 42.93 | 64962 |
| Jan 10, 2023 | Sell -- (Common Stock) | 43 | 41.66 | 3385 |
| Jan 10, 2023 | Sell -- (Common Stock) | 716 | 41.66 | 65435 |
| Jan 6, 2023 | Acquisition -- (Common Stock) | 710 | 0 | 3428 |
| Jan 6, 2023 | Acquisition -- (Common Stock) | 17000 | 0 | 66151 |
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