Alumis Ownership & Insider Activity

Alumis (ALMS) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.4% of shares outstanding. Institutional investors hold 30.7%. Over the past 90 days, insiders made 1 purchase worth $9.7M.

Shares Outstanding

129.435M

Shares Float

77.655M

Insider Shares Owned

499.496K

Insider % Owned

0.4%

Institutional Shares Held

39.700M

Institutional % Held

30.7%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

$9.7M total

Sales (90d)

Net Activity

Net Buying

Net Value (90d)

$9.7M

Alumis Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Sep 4, 2026	Srinivas Akkaraju	—	BUY	890.590K	$10.71	$9.7M
Aug 3, 2026	John Schroer	CHIEF FINANCIAL OFFICER	SELL	3.282K	$26.37	$87K
Aug 3, 2026	Sanam Pangali	CHIEF LEGAL OFFICER	SELL	1.364K	$26.37	$36K
Aug 3, 2026	Roy Hardiman	CHIEF BUSINESS & STRATEGY OFCR	SELL	2.692K	$26.37	$71K
Aug 3, 2026	David Goldstein	CHIEF SCIENTIFIC OFFICER	SELL	2.596K	$26.37	$68K
Aug 3, 2026	Jorn Drappa	CHIEF MEDICAL OFFICER	SELL	2.447K	$26.37	$65K
Aug 3, 2026	Christopher Mark Bradley	CHIEF DEVELOPMENT OFFICER	SELL	2.572K	$26.37	$68K
Jul 6, 2026	Sanam Pangali	CHIEF LEGAL OFFICER	SELL-OPTIONS	—	$16.53	$115K