Form 4 for PTCT PTC THERAPEUTICS, INC.
Accepted 2026-01-08 00:00:00 ET · period of report 2026-01-06 · accession 0001578852-26-000004 · 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 | 2026-01-08 | 2026-01-06+ | PTCT | Boulding Mark Elliott | EVP AND CLO | S - Sale+OE | $77.31 | -6,618 | 117.7K | -5% | -$511.6K |
| DM | 2026-01-08 | 2026-01-07 | PTCT | Boulding Mark Elliott | EVP AND CLO | M - OptEx | $38.10 | +3,376 | 118.4K | +3% | +$128.6K |
| DM | 2026-01-08 | 2026-01-07 | PTCT | Boulding Mark Elliott | EVP AND CLO | M - OptEx | $0.00 | -3,376 | 0 | -100% | $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 | 2026-01-07 | S | D | 11 | $78.98 | 117,659 | D | — | — | |
| 2 | Common | Common Stock | 2026-01-06 | S | D | 1,739 | $76.95 | 119,162 | D | — | — | (F1) Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,500 RSUs from a January 3, 2025 grant of 18,000 RSUs. |
| 3 | Common | Common Stock | 2026-01-07 | S | D | 1,503 | $77.48 | 117,659 | D | — | — | (F2) Represents shares automatically sold pursuant to an irrevocable sell to cover election entered into upon acceptance of the grant to satisfy tax withholding obligations in connection with the vesting of 4,250 RSUs from a January 5, 2023 grant of 17,000 RSUs. |
| 4 | Common | Common Stock | 2026-01-07 | M | A | 2,625 | $38.10 | 120,284 | D | — | — | |
| 5 | Common | Common Stock | 2026-01-07 | S | D | 1,638 | $77.11 | 118,646 | D | — | — | (F4) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $76.56 to $77.55 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. |
| 6 | Common | Common Stock | 2026-01-07 | S | D | 949 | $77.91 | 117,697 | D | — | — | (F5) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $77.58 to $78.54 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 | 2026-01-07 | S | D | 38 | $78.60 | 117,659 | D | — | — | |
| 8 | Common | Common Stock | 2026-01-07 | M | A | 751 | $38.10 | 118,410 | D | — | — | |
| 9 | Common | Common Stock | 2026-01-07 | S | D | 471 | $77.10 | 117,939 | D | — | — | (F6) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $76.54 to $77.52 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. |
| 10 | Common | Common Stock | 2026-01-07 | S | D | 269 | $77.92 | 117,670 | D | — | — | (F7) This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $77.54 to $78.47 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 | Derivative | Stock Option (Right to Buy) | 2026-01-07 | M | D | 2,625 | $0.00 | 751 | D | $38.10 · — to 2032-01-06 | 2,627 Common Stock | (F8) Currently exercisable. |
| 12 | Derivative | Stock Option (Right to Buy) | 2026-01-07 | M | D | 751 | $0.00 | 0 | D | $38.10 · — to 2032-01-06 | 751 Common Stock | (F8) Currently exercisable. |