THOMPSON JOHN WENDELL sold 61.8% of their position (13.50K shares) of RUBRIK, INC. on the open market

Open‑market sale worth $1.12M — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 6 sales

THOMPSON JOHN WENDELL

Filed: 7/1/2026ACC: 0001207433-26-000016

InsiderTHOMPSON JOHN WENDELLCIK 1207433

→

IssuerRUBRIK, INC.CIK 1943896

Director

Since Mar 2026

-13.50K

Net shares

Net seller

$1.12M

Total sold

Open market trades

0B · 6S

Total transactions

22K acquired · 35.50K disposed

Non-Derivative Transactions7

Class A Common Stock

Indirect

S · Sale

−700.00

Price / share

$82.00

Trade value

$57.40K

% of position

4.7%

7/1/2026

15K→14.30K

Class A Common Stock

Indirect

S · Sale

−1.50K

Price / share

$82.91

Trade value

$124.36K

% of position

10.5%

7/1/2026

14.30K→12.80K

Class A Common Stock

Indirect

S · Sale

−300.00

Price / share

$83.70

Trade value

$25.11K

% of position

2.3%

7/1/2026

12.80K→12.50K

Class A Common Stock

Direct

C · Conversion

+11K

Price / share

—

Trade value

—

% of position

131.5%

7/1/2026

8.36K→19.36K

Class A Common Stock

Direct

S · Sale

−3.10K

Price / share

$82.02

Trade value

$254.26K

% of position

16.0%

7/1/2026

19.36K→16.26K

Class A Common Stock

Direct

S · Sale

−7K

Price / share

$82.81

Trade value

$579.67K

% of position

43.0%

7/1/2026

16.26K→9.26K

Class A Common Stock

Direct

S · Sale

−900.00

Price / share

$83.59

Trade value

$75.23K

% of position

9.7%

7/1/2026

9.26K→8.36K

Total

Net shares

−2.50K

Net value

-$1.12M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Indirect	7/1/2026	S · Sale	−700.00	$82.00	$57.40K	4.7%	15K	14.30K
Class A Common Stock Indirect	7/1/2026	S · Sale	−1.50K	$82.91	$124.36K	10.5%	14.30K	12.80K
Class A Common Stock Indirect	7/1/2026	S · Sale	−300.00	$83.70	$25.11K	2.3%	12.80K	12.50K
Class A Common Stock Direct	7/1/2026	C · Conversion	+11K	—	—	131.5%	8.36K	19.36K
Class A Common Stock Direct	7/1/2026	S · Sale	−3.10K	$82.02	$254.26K	16.0%	19.36K	16.26K
Class A Common Stock Direct	7/1/2026	S · Sale	−7K	$82.81	$579.67K	43.0%	16.26K	9.26K
Class A Common Stock Direct	7/1/2026	S · Sale	−900.00	$83.59	$75.23K	9.7%	9.26K	8.36K
Total			−2.50K		-$1.12M

Derivative Transactions3

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Class B Common Stock

11K shares

−11K

Strike price

4.38

Held after

88.95K

Exercisable

—

7/1/2026

Class B Common Stock

Direct

M · Option Exercise

Converts to

Class A Common Stock

11K shares

+11K

Strike price

Held after

61K

Exercisable

—

7/1/2026

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

11K shares

−11K

Strike price

Held after

50K

Exercisable

—

7/1/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Stock Option (Right to Buy) Direct	Class B Common Stock11K shares	7/1/2026	M · Option Exercise	−11K	4.38	—	88.95K
Class B Common Stock Direct	Class A Common Stock11K shares	7/1/2026	M · Option Exercise	+11K		—	61K
Class B Common Stock Direct	Class A Common Stock11K shares	7/1/2026	C · Conversion	−11K		—	50K

Non-Derivative Holdings (Post-Transaction)0

No non-derivative holdings reported

Derivative Holdings (Post-Transaction)1

Class B Common Stock

Indirect

Underlying security

Class A Common Stock

Underlying shares

815.34K

Shares owned

815.34K

Exercise price

Expiration

—

Exercise window

—

Total

Underlying

815.34K

Owned

815.34K

Security	Underlying	Exercise Price	Exercise Window	Expiration	Underlying Shares	Shares Owned
Class B Common Stock Indirect	Class A Common Stock		—	—	815.34K	815.34K
Total					815.34K	815.34K