May 29, 2026 · Form 4 insider transaction
Waddill William D. bought 9,000 shares of Protagonist Therapeutics, Inc at $11.80 per share, a transaction worth $106.2K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 3 days after the transaction.
The transactions set forth on this Form 4 were effected pursuant to a 10b5-1 plan adopted by the reporting person on February 27, 2026.