David P. Southwell sold PTC Therapeutics ($PTCT) shares once on the open market in the last year, totaling $700 thousand, with the latest sale on September 9, 2025. This ranks him 5,740th out of nearly 12,000 insiders by sale value, below the average of $8.6 million across 6.4 transactions. He made no open market purchases.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan. 2, 2026 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | A | Common Stock | 4000 | $0.00 | 20,850.0000 | 88,311,494 | 23.74% | 0.00% |
| Jan. 2, 2026 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | A | Stock Option (Right to Buy) | 3475 | $0.00 | 3,475.0000 | 88,311,494 | 9999.99% | 0.00% |
| Sept. 9, 2025 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | S | Common Stock | 12000 | $58.34 | 16,850.0000 | 78,151,240 | 41.59% | 0.02% |
| Sept. 9, 2025 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | M | Common Stock | 12000 | $30.86 | 28,850.0000 | 78,151,240 | 71.22% | 0.02% |
| Sept. 9, 2025 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | M | Stock Option (Right to Buy) | 12000 | $0.00 | 0.0000 | 78,151,240 | 100.00% | 0.02% |
| June 18, 2025 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | A | Common Stock | 30000 | $0.00 | 144,784.0000 | 94,807,773 | 26.14% | 0.03% |
| Jan. 3, 2025 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | A | Stock Option (Right to Buy) | 8800 | $0.00 | 8,800.0000 | 76,845,055 | 9999.99% | 0.01% |
| Jan. 3, 2025 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | A | Common Stock | 4000 | $0.00 | 18,500.0000 | 76,845,055 | 27.59% | 0.01% |
| June 13, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | A | Stock Option (Right to Buy) | 23944 | $0.00 | 23,944.0000 | 84,009,004 | 9999.99% | 0.03% |
| May 2, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | G | Common Stock | 113124 | $0.00 | 114,784.0000 | 84,009,004 | 49.64% | 0.13% |
| May 2, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | G | Common Stock | 59716 | $0.00 | 114,784.0000 | 84,009,004 | 34.22% | 0.07% |
| May 8, 2024 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | G | Common Stock | 1650 | $0.00 | 14,500.0000 | 76,496,127 | 10.22% | 0.00% |
| April 12, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | S | Common Stock | 59716 | $24.22 | 105,444.0000 | 84,009,004 | 36.16% | 0.07% |
| April 12, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | S | Common Stock | 10284 | $25.16 | 95,160.0000 | 84,009,004 | 9.75% | 0.01% |
| April 15, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | M | Common Stock | 29624 | $4.34 | 124,784.0000 | 84,009,004 | 31.13% | 0.04% |
| April 15, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | S | Common Stock | 10000 | $24.05 | 114,784.0000 | 84,009,004 | 8.01% | 0.01% |
| April 12, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | M | Stock Option (Right to Buy) | 70000 | $4.34 | 29,624.0000 | 84,009,004 | 70.26% | 0.08% |
| April 15, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | M | Stock Option (Right to Buy) | 29624 | $4.34 | 0.0000 | 84,009,004 | 100.00% | 0.04% |
| April 12, 2024 | ROCKET PHARMACEUTICALS, INC. | $RCKT | SOUTHWELL DAVID P | Not found | M | Common Stock | 70000 | $4.34 | 165,160.0000 | 84,009,004 | 73.56% | 0.08% |
| Feb. 15, 2024 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | A | Stock Option (Right to Buy) | 10000 | $0.00 | 10,000.0000 | 74,838,292 | 9999.99% | 0.01% |
| Feb. 15, 2024 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | A | Common Stock | 4000 | $0.00 | 14,500.0000 | 74,838,292 | 38.10% | 0.01% |
| April 17, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | S | Common Stock | 5188 | $51.43 | 10,500.0000 | 73,729,284 | 33.07% | 0.01% |
| April 17, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | M | Stock Option (Right to Buy) | 11429 | $18.01 | 80,000.0000 | 73,729,284 | 12.50% | 0.02% |
| April 17, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | M | Common Stock | 11429 | $18.01 | 21,929.0000 | 73,729,284 | 108.85% | 0.02% |
| April 17, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | S | Common Stock | 6241 | $50.69 | 15,688.0000 | 73,729,284 | 28.46% | 0.01% |
| March 31, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | M | Stock Option (Right to Buy) | 2571 | $18.01 | 91,429.0000 | 71,728,634 | 2.74% | 0.00% |
| March 31, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | S | Common Stock | 2571 | $50.05 | 10,500.0000 | 71,728,634 | 19.67% | 0.00% |
| March 31, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | M | Common Stock | 2571 | $18.01 | 13,071.0000 | 71,728,634 | 24.49% | 0.00% |
| March 27, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | M | Common Stock | 10000 | $27.05 | 20,500.0000 | 71,728,634 | 95.24% | 0.01% |
| March 27, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | S | Common Stock | 4599 | $44.71 | 15,901.0000 | 71,728,634 | 22.43% | 0.01% |
| March 27, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | M | Stock Option (Right to Buy) | 10000 | $27.05 | 94,000.0000 | 71,728,634 | 9.62% | 0.01% |
| March 27, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | S | Common Stock | 5301 | $45.41 | 10,600.0000 | 71,728,634 | 33.34% | 0.01% |
| March 27, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | S | Common Stock | 100 | $46.03 | 10,500.0000 | 71,728,634 | 0.94% | 0.00% |
| Jan. 5, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | A | Common Stock | 4000 | $0.00 | 10,500.0000 | 71,728,634 | 61.54% | 0.01% |
| Jan. 5, 2023 | PTC THERAPEUTICS, INC. | $PTCT | SOUTHWELL DAVID P | Not found | A | Stock Option (Right to Buy) | 10000 | $0.00 | 10,000.0000 | 71,728,634 | 9999.99% | 0.01% |