InsiderTrades

Form 4 for PTCT PTC THERAPEUTICS, INC.

Accepted 2026-07-13 17:20:09 ET · period of report 2026-07-09 · accession 0001866044-26-000005 · 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
DMT 2026-07-13 17:20 2026-07-09 PTCT Smith Mary L. Dir M - OptEx $42.95 +15.8K 27.6K +134% +$680.1K
DMT 2026-07-13 17:20 2026-07-09 PTCT Smith Mary L. Dir S - Sale+OE $90.00 -15.8K 21.8K -42% -$1.43M
DMT 2026-07-13 17:20 2026-07-09 PTCT Smith Mary L. Dir M - OptEx $0.00 -15.8K 0 -100% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-07-09 M A 10,000 $42.95 31,813 D — — (F1) This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the reporting person on November 11, 2025.
2 Common Common Stock 2026-07-09 S D 10,000 $90.00 21,813 D — — (F1) This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the reporting person on November 11, 2025.
3 Common Common Stock 2026-07-09 M A 5,834 $42.95 27,647 D — — (F1) This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the reporting person on November 11, 2025.
4 Common Common Stock 2026-07-09 S D 5,834 $90.00 21,813 D — — (F1) This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the reporting person on November 11, 2025.
5 Derivative Stock Option (Right to Buy) 2026-07-09 M D 10,000 $0.00 0 D $42.95 · — to 2031-06-10 10,000 Common Stock (F1) This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the reporting person on November 11, 2025. (F2) Currently exercisable.
6 Derivative Stock Option (Right to Buy) 2026-07-09 M D 5,834 $0.00 0 D $42.95 · — to 2031-06-10 5,834 Common Stock (F1) This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the reporting person on November 11, 2025. (F2) Currently exercisable.