Boulding Mark Elliott sold PTCT

January 9, 2026 · Form 4 insider transaction

Boulding Mark Elliott sold 1,521 shares of PTC Therapeutics, Inc. at $77.46 per share, a transaction worth $117.8K. The trade was recorded as open-market sale under a pre-scheduled Rule 10b5-1 plan and disclosed on an SEC Form 4, filed 3 days after the transaction.

Direction
Disposed (sell-side)
Shares
1,521
Price
$77.46
Total value
$117.8K
RoleOfficer
SecurityCommon Stock
Transaction codeS: Open-market sale
Transaction dateJanuary 9, 2026
Filing dateJanuary 12, 2026
Shares owned after112,105
OwnershipDirect
10b5-1 planYes
AmendedNo

Footnotes

This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the Reporting Person on December 4, 2024.; This price represents the weighted average price of sale transactions that were executed in multiple trades at prices ranging from $77.12 to $78.08 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.

View the original Form 4 on SEC EDGAR