aTyr Pharma Ownership & Insider Activity

aTyr Pharma (ATYR) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.1% of shares outstanding. Institutional investors hold 28.7%.

Shares Outstanding

2.500M

Shares Float

2.492M

Insider Shares Owned

1.046M

Insider % Owned

1.1%

Institutional Shares Held

28.129M

Institutional % Held

28.7%

Ownership Breakdown

Net Insider Activity by Month

aTyr Pharma Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
May 27, 2026	PAUL SCHIMMEL	—	BUY	100.000K	$0.50	$50K