Rubrik Ownership & Insider Activity

Rubrik (RBRK) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 1.1% of shares outstanding. Institutional investors hold 44.5%. Over the past 90 days, insiders made 10 sales worth $15.2M.

Shares Outstanding

205.829M

Shares Float

158.571M

Insider Shares Owned

2.259M

Insider % Owned

1.1%

Institutional Shares Held

92.220M

Institutional % Held

44.5%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

Sales (90d)

$15.2M total

Net Activity

Net Selling

Net Value (90d)

-$15.2M

Rubrik Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
Oct 5, 2026	Arvind Nithrakashyap	CHIEF TECHNOLOGY OFFICER	SELL	10.319K	$124.32	$4.8M
Oct 5, 2026	Yvonne Wassenaar	—	SELL	721.000	$119.00	$86K
Oct 1, 2026	WENDELL JOHN THOMPSON	—	SELL	2.500K	$115.69	$1.6M
Sep 15, 2026	Kumar Kiran Choudary	CHIEF FINANCIAL OFFICER	SELL	19.995K	$102.12	$2.5M
Sep 8, 2026	Arvind Nithrakashyap	CHIEF TECHNOLOGY OFFICER	SELL-OPTIONS	—	$90.73	$3.5M
Sep 3, 2026	Yvonne Wassenaar	—	SELL	208.000	$89.52	$65K
Sep 1, 2026	WENDELL JOHN THOMPSON	—	SELL	2.500K	$89.03	$1.2M
Aug 24, 2026	Kumar Kiran Choudary	CHIEF FINANCIAL OFFICER	SELL	6.000K	$98.32	$983K
Aug 3, 2026	Arvind Nithrakashyap	CHIEF TECHNOLOGY OFFICER	SELL	10.318K	$79.19	$3.0M
Aug 3, 2026	WENDELL JOHN THOMPSON	—	SELL	2.500K	$74.10	$1.0M
Aug 3, 2026	Yvonne Wassenaar	—	SELL	721.000	$75.00	$54K
Jul 15, 2026	Kumar Kiran Choudary	CHIEF FINANCIAL OFFICER	SELL	16.000K	$81.73	$2.3M
Jul 10, 2026	Ravi Mhatre	—	SELL-OPTIONS	52.581K	$83.10	$331K
Jul 6, 2026	Arvind Nithrakashyap	CHIEF TECHNOLOGY OFFICER	SELL-OPTIONS	—	$86.65	$3.3M
Jul 1, 2026	Yvonne Wassenaar	—	SELL	721.000	$81.57	$59K
Jul 1, 2026	WENDELL JOHN THOMPSON	—	SELL	2.500K	$82.67	$1.1M
Jun 24, 2026	Ravi Mhatre	—	SELL-OPTIONS	52.581K	$71.49	$284K
Jun 23, 2026	Yvonne Wassenaar	—	SELL	676.000	$75.00	$51K
Jun 3, 2026	Yvonne Wassenaar	—	SELL-OPTIONS	3.709K	$80.73	$58K
Jun 1, 2026	WENDELL JOHN THOMPSON	—	SELL-OPTIONS	1.209K	$84.54	$1.1M
Jun 1, 2026	Arvind Nithrakashyap	CHIEF TECHNOLOGY OFFICER	SELL	127.454K	$83.85	$18.9M
May 29, 2026	Yvonne Wassenaar	—	SELL	675.000	$75.00	$213K
May 1, 2026	WENDELL JOHN THOMPSON	—	SELL	2.500K	$55.49	$749K