Protagonist Therapeutics, Inc (NASDAQ: PTGX) Stock Information | RedChip
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Protagonist Therapeutics, Inc (NASDAQ: PTGX)
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$101.79
+6.3790 ( +6.69% ) 233.9K

Protagonist Therapeutics Inc is a clinical-stage biopharmaceutical company having a proprietary technology platform that enables the discovery and development of novel constrained peptide-based drug candidates to address medical needs. Its pipeline products include Rusfertide (PTG-300) and JNJ-2113.

Market Data


Open $101.79
Previous Close $95.41
Volume 233.9K
Market Cap $6.14B
Day Range $93.79 - $102.04
52 Week Range $49.38 - $107.84
Shares Outstanding 64.31M
Change % +6.69%
Net Change ▲ 6.3790
Insider Ownership -0.02%
Exchange NASDAQ
SectorMiscellaneous
IndustryNone
IPO Year2016
CountryUnited States
UnderwriterIPO Intelligence Only

Insider Ownership Transactions

Total Amount Purchased: -8,000.00

Date Type Amount Purchased Purchaser
2024-07-26 Sale -8000.00 Waddill William D.

SEC Filings


Form Type Description Pages Date
4 Insider transactions 1 Jul 18, 2025
8-k 8K-related 12 Jun 26, 2025
4 Insider transactions 1 Jun 17, 2025
4 Insider transactions 1 Jun 11, 2025

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