PROTAGONIST THERAPEUTICS INC

Ticker: PTGX CUSIP: 74366E102 Class: Common Stock

Grantham, Mayo, Van Otterloo & Co. LLC's Holding History (CIK: 0001352662)

Note: Option positions (PUT/CALL) are excluded.

Q1 2020

Shares 18,300 Value ($000) $129 Avg Close $7.49 Range $5.30 - $9.30

Q4 2019

Shares 20,000 Value ($000) $141 Avg Close $9.93 Range $4.47 - $13.77

Q3 2019

Shares 38,400 Value ($000) $461 Avg Close $12.60 Range $8.26 - $16.67

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	18,300	$129	$7.49	$5.30 - $9.30
Q4 2019	20,000	$141	$9.93	$4.47 - $13.77
Q3 2019	38,400	$461	$12.60	$8.26 - $16.67