Emma Reeve - 11 Sep 2025 Form 4 Insider Report for PTC THERAPEUTICS, INC. (PTCT)

Role
Director
Signature
/s/ Avraham S. Adler, Attorney-in-Fact
Issuer symbol
PTCT
Transactions as of
11 Sep 2025
Net transactions value
-$649,399
Form type
4
Filing time
16 Sep 2025, 17:00:07 UTC
Previous filing
16 Jun 2025
Next filing
07 Oct 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Reeve Emma Director C/O PTC THERAPEUTICS, INC., 500 WARREN CORPORATE CENTER DRIVE, WARREN /s/ Avraham S. Adler, Attorney-in-Fact 16 Sep 2025 0001680329

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction PTCT Common Stock Sale $210,273 -3,534 -23% $59.50 11,666 11 Sep 2025 Direct F1
transaction PTCT Common Stock Sale $79,373 -1,334 -11% $59.50 10,332 11 Sep 2025 Direct F1
transaction PTCT Common Stock Options Exercise $256,900 +10,000 +97% $25.69 20,332 11 Sep 2025 Direct F1
transaction PTCT Common Stock Sale $595,000 -10,000 -49% $59.50 10,332 11 Sep 2025 Direct F1
transaction PTCT Common Stock Options Exercise $28,148 +837 +8.1% $33.63 11,169 11 Sep 2025 Direct F1
transaction PTCT Common Stock Sale $49,802 -837 -7.5% $59.50 10,332 11 Sep 2025 Direct F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction PTCT Stock Option (Right to Buy) Options Exercise $0 -10,000 -100% $0.000000 0 11 Sep 2025 Common Stock 10,000 $25.69 Direct F1, F2
transaction PTCT Stock Option (Right to Buy) Options Exercise $0 -837 -100% $0.000000 0 11 Sep 2025 Common Stock 837 $33.63 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Buy Plan / Sale Plan: These are also open market purchases/sales of shares, but in this case the transaction is part of a trading plan. Rule 10b5-1 allows insiders to setup a trading plan to buy/sell stocks over a certain period of time. Since the purchases/sales are predetermined, this protects the insiders from violating insider trading law.

Transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c).

Explanation of Responses:

Id Content
F1 This transaction was effected pursuant to a written Rule 10b5-1 plan adopted by the Reporting Person on March 4, 2025.
F2 Currently exercisable.