Giraudo Bryan bought PTGX
May 7, 2026 · Form 4 insider transaction
Giraudo Bryan bought 24,000 shares of Protagonist Therapeutics, Inc. at $6.45 per share, a transaction worth $154.8K. The trade was recorded as option exercise and disclosed on an SEC Form 4, filed 4 days after the transaction.
Direction
Acquired (buy-side)
Shares
24,000
Price
$6.45
Total value
$154.8K
InsiderGiraudo Bryan
Role—
SecurityCommon Stock
Transaction codeM: Option exercise
Transaction dateMay 7, 2026
Filing dateMay 11, 2026
Shares owned after31,825
OwnershipDirect
10b5-1 planNo
AmendedNo
Footnotes
Reflects 10,000 shares of common stock that were previously held directly by the Reporting Person and which were transferred to the Bryan & Courtney Giraudo Trust.