Protagonist Therapeutics Ownership & Insider Activity

Protagonist Therapeutics (PTGX) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 2.0% of shares outstanding. Institutional investors hold 73.4%.

Shares Outstanding

64.708M

Shares Float

55.683M

Insider Shares Owned

1.303M

Insider % Owned

2.0%

Institutional Shares Held

47.517M

Institutional % Held

73.4%

Ownership Breakdown

Net Insider Activity by Month

Protagonist Therapeutics Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Aug 10, 2026	Dinesh V. Patel, Ph.D.	PRESIDENT AND CEO	SELL-OPTIONS	—	$85.24	$12.7M
Jun 23, 2026	William D Waddill	DIRECTOR	SELL-OPTIONS	—	$67.24	$913K
Jun 10, 2026	William D Waddill	DIRECTOR	SELL-OPTIONS	—	$61.32	$834K
May 29, 2026	William D Waddill	DIRECTOR	SELL-OPTIONS	—	$55.72	$791K
May 12, 2026	Dinesh V. Patel, Ph.D.	PRESIDENT AND CEO	SELL-OPTIONS	—	$60.85	$5.9M
May 7, 2026	Bryan Giraudo	DIRECTOR	SELL	23.130K	$53.36	$5.7M
Apr 20, 2026	Asif Ali	CHIEF FINANCIAL OFFICER	SELL	1.750K	$105.47	$185K
Mar 26, 2026	Arturo Molina, MD	CHIEF MEDICAL OFFICER	SELL-OPTIONS	—	$56.42	$1.5M
Mar 26, 2026	Harold E Selick	DIRECTOR	SELL-OPTIONS	—	$58.94	$2.2M
Mar 26, 2026	Asif Ali	CHIEF FINANCIAL OFFICER	SELL-OPTIONS	—	$60.97	$2.1M
Mar 23, 2026	Dinesh V. Patel, Ph.D.	PRESIDENT AND CEO	SELL	50.000K	$54.79	$5.1M