Form 4 for PTCT PTC THERAPEUTICS, INC.
Accepted 2025-09-15 00:00:00 ET · period of report 2025-09-11 · accession 0001578852-25-000003 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2025-09-15 | 2025-09-11+ | PTCT | Boulding Mark Elliott | EVP AND CLO | S - Sale+OE | $61.18 | -47.2K | 103.9K | -31% | -$2.89M |
| DM | 2025-09-15 | 2025-09-11+ | PTCT | Boulding Mark Elliott | EVP AND CLO | M - OptEx | $38.10 | +47.2K | 104.8K | +82% | +$1.80M |
| DM | 2025-09-15 | 2025-09-11+ | PTCT | Boulding Mark Elliott | EVP AND CLO | M - OptEx | $0.00 | -47.2K | 33.8K | -58% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2025-09-11 | S | D | 2,470 | $61.00 | 103,901 | D | — | — | (F4) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $61.00 to $61.04 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 2 | Common | Common Stock | 2025-09-12 | M | A | 22,661 | $38.10 | 126,562 | D | — | — | |
| 3 | Common | Common Stock | 2025-09-12 | S | D | 22,117 | $61.33 | 104,445 | D | — | — | (F5) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $61.00 to $61.99 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 4 | Common | Common Stock | 2025-09-12 | S | D | 544 | $62.09 | 103,901 | D | — | — | (F6) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $62.05 to $62.18 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 5 | Common | Common Stock | 2025-09-12 | M | A | 1,019 | $38.10 | 104,920 | D | — | — | |
| 6 | Common | Common Stock | 2025-09-12 | S | D | 1,019 | $61.31 | 103,901 | D | — | — | (F7) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $61.00 to $61.83 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 7 | Common | Common Stock | 2025-09-11 | M | A | 2,470 | $38.10 | 106,371 | D | — | — | |
| 8 | Common | Common Stock | 2025-09-11 | S | D | 2,356 | $61.00 | 103,901 | D | — | — | (F3) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $61.00 to $61.02 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 9 | Common | Common Stock | 2025-09-11 | M | A | 2,356 | $38.10 | 106,257 | D | — | — | |
| 10 | Common | Common Stock | 2025-09-11 | S | D | 17,838 | $61.00 | 103,901 | D | — | — | (F2) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $61.00 to $61.08 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 11 | Common | Common Stock | 2025-09-11 | M | A | 17,838 | $38.10 | 121,739 | D | — | — | |
| 12 | Common | Common Stock | 2025-09-12 | M | A | 905 | $38.10 | 104,806 | D | — | — | |
| 13 | Common | Common Stock | 2025-09-12 | S | D | 905 | $61.21 | 103,901 | D | — | — | (F8) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $61.00 to $61.86 per share. The Reporting Person hereby undertakes, upon request by the SEC staff, the issuer or a security holder of the issuer, to provide full information regarding the number of shares sold at each separate price. |
| 14 | Derivative | Stock Option (Right to Buy) | 2025-09-11 | M | D | 17,838 | $0.00 | 36,162 | D | $38.10 · — to 2032-01-06 | 17,838 Common Stock | (F9) This option was granted on January 7, 2022, and vests over four years, with 25% of the shares underlying the option vesting on January 7, 2023, and an additional 6.25% of the original number of shares underlying the option vesting at the end of each successive three-month period thereafter, beginning on April 7, 2023. |
| 15 | Derivative | Stock Option (Right to Buy) | 2025-09-11 | M | D | 2,470 | $0.00 | 31,336 | D | $38.10 · — to 2032-01-06 | 2,470 Common Stock | (F9) This option was granted on January 7, 2022, and vests over four years, with 25% of the shares underlying the option vesting on January 7, 2023, and an additional 6.25% of the original number of shares underlying the option vesting at the end of each successive three-month period thereafter, beginning on April 7, 2023. |
| 16 | Derivative | Stock Option (Right to Buy) | 2025-09-12 | M | D | 22,661 | $0.00 | 8,675 | D | $38.10 · — to 2032-01-06 | 22,661 Common Stock | (F9) This option was granted on January 7, 2022, and vests over four years, with 25% of the shares underlying the option vesting on January 7, 2023, and an additional 6.25% of the original number of shares underlying the option vesting at the end of each successive three-month period thereafter, beginning on April 7, 2023. |
| 17 | Derivative | Stock Option (Right to Buy) | 2025-09-12 | M | D | 1,019 | $0.00 | 7,656 | D | $38.10 · — to 2032-01-06 | 1,019 Common Stock | (F9) This option was granted on January 7, 2022, and vests over four years, with 25% of the shares underlying the option vesting on January 7, 2023, and an additional 6.25% of the original number of shares underlying the option vesting at the end of each successive three-month period thereafter, beginning on April 7, 2023. |
| 18 | Derivative | Stock Option (Right to Buy) | 2025-09-12 | M | D | 905 | $0.00 | 6,751 | D | $38.10 · — to 2032-01-06 | 905 Common Stock | (F9) This option was granted on January 7, 2022, and vests over four years, with 25% of the shares underlying the option vesting on January 7, 2023, and an additional 6.25% of the original number of shares underlying the option vesting at the end of each successive three-month period thereafter, beginning on April 7, 2023. |
| 19 | Derivative | Stock Option (Right to Buy) | 2025-09-11 | M | D | 2,356 | $0.00 | 33,806 | D | $38.10 · — to 2032-01-06 | 2,356 Common Stock | (F9) This option was granted on January 7, 2022, and vests over four years, with 25% of the shares underlying the option vesting on January 7, 2023, and an additional 6.25% of the original number of shares underlying the option vesting at the end of each successive three-month period thereafter, beginning on April 7, 2023. |