January 27, 2026 · Form 4 insider transaction
Ali Asif bought 16,000 shares of PTGX at $19.19 per share, a transaction worth $307.0K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 0 days after the transaction.
Includes an aggregate of 446 shares acquired by the Reporting Person under the Issuer's 2016 Employee Stock Purchase Plan on September 9, 2025.