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CIK 0001377121 · Large accelerated filer

Protagonist Therapeutics, Inc

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Ticker
PTGX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
980505495
Phone
(510) 474-0170
Business address
7707 GATEWAY BLVD., SUITE 140, NEWARK, CA, 94560-1160
Former names
Protagonist Therapeutics Inc, Protagonist Inc
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$26,552,861
in 2 filings, $26.6M under 10b5-1 plans

Net −$26,552,861. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2026-08-11 PATEL DINESH V PH D President and CEO Option exercise 10b5-1 +34,239 $21.58 $739K 557,717
2026-08-11 PATEL DINESH V PH D President and CEO Sale 10b5-1 −34,239 $148.52 $5.1M 523,478
2026-08-11 PATEL DINESH V PH D President and CEO Option exercise · Stock Option (right to buy) 10b5-1 −34,239 125,000
2026-08-10 PATEL DINESH V PH D President and CEO Option exercise 10b5-1 +65,761 $21.58 $1.4M 589,239
2026-08-10 PATEL DINESH V PH D President and CEO Sale 10b5-1 −65,761 $149.11 $9.8M 523,478
2026-08-10 PATEL DINESH V PH D President and CEO Option exercise · Stock Option (right to buy) 10b5-1 −65,761 159,239
2026-06-23 Waddill William D. Director Option exercise 10b5-1 +9,000 $16.54 $149K 16,825
2026-06-23 Waddill William D. Director Sale 10b5-1 −9,000 $117.94 $1.1M 7,825
2026-06-23 Waddill William D. Director Option exercise · Stock Option (right to buy) 10b5-1 −9,000 0
2026-06-10 Waddill William D. Director Option exercise 10b5-1 +3,000 $11.80 $35K 10,825
2026-06-10 Waddill William D. Director Option exercise 10b5-1 +6,000 $16.54 $99K 16,825
2026-06-10 Waddill William D. Director Sale 10b5-1 −9,000 $107.68 $969K 7,825
2026-06-10 Waddill William D. Director Option exercise · Stock Option (right to buy) 10b5-1 −3,000 0
2026-06-10 Waddill William D. Director Option exercise · Stock Option (right to buy) 10b5-1 −6,000 9,000
2026-05-29 Waddill William D. Director Option exercise 10b5-1 +9,000 $11.80 $106K 16,825
2026-05-29 Waddill William D. Director Sale 10b5-1 −9,000 $99.64 $897K 7,825
2026-05-29 Waddill William D. Director Option exercise · Stock Option (right to buy) 10b5-1 −9,000 3,000
2026-05-12 PATEL DINESH V PH D President and CEO Option exercise 10b5-1 +75,000 $21.58 $1.6M 598,478
2026-05-12 PATEL DINESH V PH D President and CEO Sale 10b5-1 −75,000 $100.12 $7.5M 523,478
2026-05-12 PATEL DINESH V PH D President and CEO Option exercise · Stock Option (right to buy) 10b5-1 −75,000 225,000

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