Williams Lewis T

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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Buy signal Sell signal Earnings

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Protagonist Therapeutics, Inc. (PTGX)

Transaction date 17 Feb 2026

Sale

Price

279.26

Quantity 25,495 +14.7%

Value US$4,067,347

Comments Filing

Protagonist Therapeutics, Inc. (PTGX)

Transaction date 17 Feb 2026

Proposed sale

Price

31.26

Quantity 12,396

Value US$849,691

Notification date	Transaction date	Company	B/S Transaction type	Nb. shares Price Value	Number of shares	Price	Value	Details
2026-02-18	2026-02-17	Protagonist Therapeutics, Inc. (PTGX)	S Sale	25,495 +14.7% 279.26 US$4,067,347	25,495 +14.7%	279.26	US$4,067,347
2026-02-17	2026-02-17	Protagonist Therapeutics, Inc. (PTGX)	PrS Proposed sale	12,396 31.26 US$849,691	12,396	31.26	US$849,691