David T. Howton serves as Executive at VERTEX PHARMACEUTICALS INC / MA, where they oversee executive responsibilities. Since joining the company, David T. Howton has executed 71 insider transactions totaling $43.5M, demonstrating a bearish approach to their equity position. Their most recent transaction on Feb 4, 2026 involved selling 18,894 shares valued at $121.7K.
David T. Howton currently holds 97,859 shares of VERTEX PHARMACEUTICALS INC / MA (VRTX), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David T. Howton has been a net seller of VRTX stock. They have purchased $0 and sold $43.5M worth of shares.
David T. Howton's most recent insider trade was on Feb 4, 2026, when they sold 18,894 shares at $6.44 per share.
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| $5.11 |
| Discretionary |
| Dec 2, 2025 | SLDB | $0 | Option Exercise | 13,051 | $N/A | Discretionary |
| Dec 4, 2023 | SLDB | $14.9K | Sale | 5,367 | $2.78 | Discretionary |
| Dec 2, 2023 | SLDB | $0 | Option Exercise | 13,051 | $N/A | Discretionary |
| Jun 22, 2020 | SRPT | $1.4M | Option Exercise | 56,984 | $23.85 | Discretionary |
| Jun 22, 2020 | SRPT | $25.5K | Option Exercise | 1,858 | $13.71 | Discretionary |
| Jun 22, 2020 | SRPT | $17.5K | Option Exercise | 1,280 | $13.71 | Discretionary |
| Jun 22, 2020 | SRPT | $9.5M | Sale | 55,270 | $171.50 | Discretionary |
| Jun 22, 2020 | SRPT | $6.1M | Sale | 35,757 | $170.59 | Discretionary |
| Jun 22, 2020 | SRPT | $1.4M | Sale | 8,086 | $169.56 | Discretionary |
| Jun 22, 2020 | SRPT | $1.0M | Sale | 6,009 | $168.61 | Discretionary |
| Jun 22, 2020 | SRPT | $1.3M | Option Exercise | 45,000 | $29.03 | Discretionary |
| Feb 28, 2020 | SRPT | $0 | Award | 6,700 | $N/A | Discretionary |
| Dec 13, 2019 | SRPT | $1.4M | Option Exercise | 59,421 | $23.85 | Discretionary |
| Dec 13, 2019 | SRPT | $9.8M | Sale | 78,000 | $125.50 | Discretionary |
| Dec 13, 2019 | SRPT | $258.2K | Option Exercise | 18,579 | $13.90 | Discretionary |
| Nov 22, 2019 | SRPT | $188.4K | Option Exercise | 7,900 | $23.85 | Discretionary |
| Nov 22, 2019 | SRPT | $300.1K | Payment | 2,804 | $107.02 | Discretionary |
| Nov 22, 2019 | SRPT | $77.7K | Option Exercise | 5,590 | $13.90 | Discretionary |
| Nov 22, 2019 | SRPT | $713 | Option Exercise | 52 | $13.71 | Discretionary |
| Nov 22, 2019 | SRPT | $33.5K | Option Exercise | 2,440 | $13.71 | Discretionary |
| Nov 22, 2019 | SRPT | $310.5K | Sale | 2,957 | $105.00 | Discretionary |
| Nov 22, 2019 | SRPT | $394.1K | Sale | 3,753 | $105.00 | Discretionary |
| Nov 22, 2019 | SRPT | $1.9M | Sale | 18,290 | $105.00 | Discretionary |
| Nov 22, 2019 | SRPT | $119.3K | Option Exercise | 8,580 | $13.90 | Discretionary |
| Nov 22, 2019 | SRPT | $55.2K | Option Exercise | 4,025 | $13.71 | Discretionary |
| Nov 22, 2019 | SRPT | $77.9K | Option Exercise | 5,685 | $13.71 | Discretionary |
| Mar 28, 2019 | SRPT | $280.3K | Payment | 2,362 | $118.68 | Discretionary |
| Mar 28, 2019 | SRPT | $0 | Award | 5,319 | $N/A | Discretionary |