Insider · CIK 0001578850
Neil Gregory Almstead
officer
Files at PTCT (PTC THERAPEUTICS, INC.). First filing Dec 4, 2024, latest Mar 9, 2026.
Track record
Not enough history
Fewer than three past buys with six months of prices.
Median 6-month excess
-
after past buys, n = 0
Hit rate
-
past buys that beat the index over 6 months
Open-market trades
0 / 10
$0 bought, $17M sold
Where the trades landed
Last year at the company this insider has traded most, with each buy and sell on the bar it happened.
PTCT: PTC THERAPEUTICS, INC.
PTCTOct 9, 2026 · close 64.70
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
This insider’s open-market buys and sells, scored.
| Score | Company | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 36Weak | PTC THERAPEUTICS, INC. | $253k 3,989 shares | -59% | +75% from low-27% from high | |
| 15Weak | PTC THERAPEUTICS, INC. | $216k 3,121 shares | -3% | +90% from low-20% from high | |
| 11Weak | PTC THERAPEUTICS, INC. | $72k 940 shares | -1% | +112% from low-11% from high | |
| 15Weak | PTC THERAPEUTICS, INC. | $186k 2,411 shares | -2% | +112% from low-11% from high | |
| 30Weak | PTC THERAPEUTICS, INC. | $2.9M 35,572 shares | -35% | +121% from low0% from high | |
| 40Moderate | PTC THERAPEUTICS, INC. | $6.0M 71,928 shares | -70% | +129% from low0% from high | |
| 40Moderate | PTC THERAPEUTICS, INC. | $3.6M 55,000 shares | -53% | +87% from low0% from high | |
| 21Weak | PTC THERAPEUTICS, INC. | $148k 2,946 shares | -3% | +56% from low-3% from high | |
| 21Weak | PTC THERAPEUTICS, INC. | $134k 2,979 shares | -3% | +38% from low-14% from high | |
| 40Moderate | PTC THERAPEUTICS, INC. | $3.7M 71,610 shares | -81% | - |
Transactions
Every row this insider has filed, newest first.
| Date | Company | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Mar 5, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -3,989 | $63.38 | $253k | 2,737 | Mar 9, 2026 |
| Feb 18, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -3,056 | $69.36 | $212k | 112,140 | Feb 20, 2026 |
| Feb 18, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -65 | $69.36 | $4,508 | 6,726 | Feb 20, 2026 |
| Jan 8, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -881 | $76.45 | $67k | 115,196 | Jan 12, 2026 |
| Jan 8, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -59 | $76.45 | $4,511 | 6,791 | Jan 12, 2026 |
| Jan 6, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,279 | $76.95 | $98k | 117,103 | Jan 8, 2026 |
| Jan 6, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -54 | $76.95 | $4,155 | 6,902 | Jan 8, 2026 |
| Jan 7, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,026 | $77.48 | $79k | 116,077 | Jan 8, 2026 |
| Jan 7, 2026 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -52 | $77.48 | $4,029 | 6,850 | Jan 8, 2026 |
| Jan 2, 2026 | PTCT PTC THERAPEUTICS, INC. | AGrant or award Common Stock | +17,500 | $0.00 | $0 | 118,382 | Jan 6, 2026 |
| Jan 2, 2026 | PTCT PTC THERAPEUTICS, INC. | AGrant or award Common Stockindirect: By Spouse | +520 | $0.00 | $0 | 6,956 | Jan 6, 2026 |
| Jan 2, 2026 | PTCT PTC THERAPEUTICS, INC. | AGrant or award Stock Option (Right to Buy)derivative | +43,750 | $0.00 | $0 | 43,750 | Jan 6, 2026 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +2,475 | $18.01 | $45k | 103,100 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +1,900 | $18.01 | $34k | 102,525 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -911 | $82.63 | $75k | 102,189 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,900 | $80.14 | $152k | 100,625 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -990 | $83.44 | $83k | 101,199 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +1,650 | $33.02 | $54k | 102,275 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,650 | $80.14 | $132k | 100,625 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -574 | $84.67 | $49k | 100,625 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +2,020 | $33.02 | $67k | 102,645 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +4,715 | $18.01 | $85k | 105,340 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -689 | $82.63 | $57k | 101,956 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -4,715 | $80.15 | $378k | 100,625 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -862 | $83.35 | $72k | 101,094 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +21,206 | $33.02 | $700k | 121,831 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -289 | $84.61 | $24k | 100,805 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -21,206 | $80.19 | $1.7M | 100,625 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -180 | $85.17 | $15k | 100,625 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +6,101 | $33.02 | $201k | 106,726 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -6,101 | $80.17 | $489k | 100,625 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +8,410 | $18.01 | $151k | 109,035 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -2,790 | $82.82 | $231k | 106,245 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -1,900 | $0.00 | $0 | 15,600 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -3,663 | $83.41 | $306k | 102,582 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -1,650 | $0.00 | $0 | 70,850 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,757 | $84.56 | $149k | 100,825 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -4,715 | $0.00 | $0 | 10,885 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -200 | $85.37 | $17k | 100,625 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -21,206 | $0.00 | $0 | 49,644 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +47,624 | $33.02 | $1.6M | 148,249 | Nov 26, 2025 |
| Nov 24, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -6,101 | $0.00 | $0 | 11,399 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -13,514 | $82.55 | $1.1M | 134,735 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -21,844 | $83.33 | $1.8M | 112,891 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -9,171 | $84.42 | $774k | 103,720 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -3,095 | $85.15 | $264k | 100,625 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +11,399 | $33.02 | $376k | 112,024 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -3,744 | $82.61 | $309k | 108,280 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -4,834 | $83.39 | $403k | 103,446 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -2,621 | $84.54 | $222k | 100,825 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -200 | $85.34 | $17k | 100,625 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -2,475 | $0.00 | $0 | 8,410 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -2,020 | $0.00 | $0 | 47,624 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -8,410 | $0.00 | $0 | 0 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -47,624 | $0.00 | $0 | 0 | Nov 26, 2025 |
| Nov 25, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -11,399 | $0.00 | $0 | 0 | Nov 26, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +3,442 | $30.86 | $106k | 104,067 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,609 | $65.46 | $105k | 102,458 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,760 | $66.56 | $117k | 100,698 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -73 | $67.16 | $4,903 | 100,625 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +51,558 | $30.86 | $1.6M | 152,183 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -23,419 | $65.45 | $1.5M | 128,764 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -23,863 | $66.45 | $1.6M | 104,901 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -4,276 | $67.15 | $287k | 100,625 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -3,442 | $0.00 | $0 | 51,558 | Oct 7, 2025 |
| Oct 3, 2025 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -51,558 | $0.00 | $0 | 0 | Oct 7, 2025 |
| Feb 19, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,300 | $50.10 | $65k | 101,931 | Feb 21, 2025 |
| Feb 19, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -34 | $50.10 | $1,703 | 5,941 | Feb 21, 2025 |
| Feb 20, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,578 | $50.12 | $79k | 100,353 | Feb 21, 2025 |
| Feb 20, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -34 | $50.12 | $1,704 | 5,907 | Feb 21, 2025 |
| Jan 7, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,265 | $45.34 | $57k | 104,783 | Jan 10, 2025 |
| Jan 7, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -55 | $45.34 | $2,494 | 6,082 | Jan 10, 2025 |
| Jan 8, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -1,552 | $44.50 | $69k | 103,231 | Jan 10, 2025 |
| Jan 8, 2025 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -107 | $44.50 | $4,762 | 5,975 | Jan 10, 2025 |
| Jan 3, 2025 | PTCT PTC THERAPEUTICS, INC. | AGrant or award Common Stock | +19,000 | $0.00 | $0 | 106,048 | Jan 7, 2025 |
| Jan 3, 2025 | PTCT PTC THERAPEUTICS, INC. | AGrant or award Common Stockindirect: By Spouse | +715 | $0.00 | $0 | 6,137 | Jan 7, 2025 |
| Jan 3, 2025 | PTCT PTC THERAPEUTICS, INC. | AGrant or award Stock Option (Right to Buy)derivative | +47,500 | $0.00 | $0 | 47,500 | Jan 7, 2025 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +2,594 | $51.00 | $132k | 88,796 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -2,328 | $51.85 | $121k | 86,468 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -266 | $52.73 | $14k | 86,202 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stock10b5-1 | +66,956 | $51.00 | $3.4M | 153,158 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -58,345 | $51.97 | $3.0M | 94,813 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stock10b5-1 | -8,611 | $52.72 | $454k | 86,202 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Common Stockindirect: By Spouse10b5-1 | +2,060 | $51.00 | $105k | 6,636 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -1,783 | $51.85 | $92k | 4,853 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | SOpen-market sale Common Stockindirect: By Spouse10b5-1 | -277 | $52.76 | $15k | 4,576 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -2,594 | $0.00 | $0 | 66,956 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivative10b5-1 | -66,956 | $0.00 | $0 | 0 | Dec 4, 2024 |
| Dec 2, 2024 | PTCT PTC THERAPEUTICS, INC. | MOption exercise Stock Option (Right to Buy)derivativeindirect: By Spouse10b5-1 | -2,060 | $0.00 | $0 | 0 | Dec 4, 2024 |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.