PROTAGONIST THERAPEUTICS INC

Ticker: PTGX CUSIP: 74366E102 Class: Common Stock

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2025

Shares 3,171,423 Value ($000) $276,992 Avg Close $81.85 Range $62.24 - $96.54

Q3 2025

Shares 1,908,446 Value ($000) $126,778 Avg Close $56.84 Range $49.38 - $68.26

Q2 2025

Shares 1,037,738 Value ($000) $57,356 Avg Close $47.99 Range $39.60 - $57.70

Q1 2025

Shares 987,370 Value ($000) $47,749 Avg Close $41.90 Range $33.70 - $60.60

Q4 2024

Shares 940,077 Value ($000) $36,287 Avg Close $43.60 Range $33.31 - $48.89

Q3 2024

Shares 30,079 Value ($000) $1,354 Avg Close $40.40 Range $32.50 - $48.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,171,423	$276,992	$81.85	$62.24 - $96.54
Q3 2025	1,908,446	$126,778	$56.84	$49.38 - $68.26
Q2 2025	1,037,738	$57,356	$47.99	$39.60 - $57.70
Q1 2025	987,370	$47,749	$41.90	$33.70 - $60.60
Q4 2024	940,077	$36,287	$43.60	$33.31 - $48.89
Q3 2024	30,079	$1,354	$40.40	$32.50 - $48.00