PTGX

Protagonist Therapeutics, Inc

Next Earnings

Aug 05, 2026

Net Activity (1Y)

-$46.0M

Net Activity (90D)

-$16.5M

Insider Activity Graph

(28 shown · 89 raw)

Green/Red bubbles = daily net insider value (size = magnitude), Blue line = daily close price, E = earnings-related SEC filing

Insider trades for this company
Insider	Title	Type	Date ↓	Shares	Value
William D. Waddill		Sale	2026-06-23	9,000	$1.1M
William D. Waddill		Sale	2026-06-10	9,000	$969K
William D. Waddill		Sale	2026-05-29	9,000	$897K
PATEL DINESH V PH D	President and CEO	Sale	2026-05-12	75,000	$7.5M
Bryan Giraudo		Sale	2026-05-08	11,130	$1.1M
Bryan Giraudo		Sale	2026-05-07	48,000	$4.8M
Asif Ali	Chief Financial Officer	Sale	2026-04-20	1,750	$185K
Arturo Molina MD	Chief Medical Officer	Sale	2026-03-26	15,000	$1.6M
Harold E Selick		Sale	2026-03-26	24,000	$2.5M
Asif Ali	Chief Financial Officer	Sale	2026-03-26	24,765	$2.6M
PATEL DINESH V PH D	President and CEO	Sale	2026-03-25	54,641	$5.5M
PATEL DINESH V PH D	President and CEO	Sale	2026-03-24	59	$6K
Lewis T Williams		Sale	2026-02-17	18,000	$1.5M
William D. Waddill		Sale	2026-02-06	20,000	$1.7M
PATEL DINESH V PH D	President and CEO	Sale	2026-01-27	4,068	$338K
Asif Ali	Chief Financial Officer	Sale	2026-01-27	46,203	$3.8M
Arturo Molina MD	Chief Medical Officer	Sale	2026-01-27	5,000	$410K
PATEL DINESH V PH D	President and CEO	Sale	2026-01-26	24,890	$2.1M
Arturo Molina MD	Chief Medical Officer	Sale	2026-01-26	5,000	$411K
Arturo Molina MD	Chief Medical Officer	Sale	2026-01-23	13,151	$1.1M
PATEL DINESH V PH D	President and CEO	Sale	2026-01-23	19,315	$1.6M
Asif Ali	Chief Financial Officer	Sale	2026-01-20	8,588	$708K
Arturo Molina MD	Chief Medical Officer	Sale	2026-01-20	9,514	$785K
PATEL DINESH V PH D	President and CEO	Sale	2026-01-20	34,438	$2.8M