AnaptysBio Ownership & Insider Activity

AnaptysBio (ANAB) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 4.1% of shares outstanding. Institutional investors hold 35.2%.

Shares Outstanding

29.895M

Shares Float

13.591M

Insider Shares Owned

1.229M

Insider % Owned

4.1%

Institutional Shares Held

10.536M

Institutional % Held

35.2%

Ownership Breakdown

Net Insider Activity by Month

AnaptysBio Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Oct 1, 2026	HOLLINGS RENTON	—	SELL-OPTIONS	—	$33.95	$159K