THOMPSON JOHN WENDELL sold 83.3% of their position (13.50K shares) of RUBRIK, INC. on the open market

Open‑market sale worth $996.9K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 6 sales

THOMPSON JOHN WENDELL

Filed: 1/6/2026ACC: 0001207433-26-000002

InsiderTHOMPSON JOHN WENDELLCIK 1207433

→

IssuerRUBRIK, INC.CIK 1943896

Director

Since Mar 2026

-13.50K

Net shares

Net seller

$996.9K

Total sold

Open market trades

0B · 6S

Total transactions

24.50K acquired · 38K disposed

Non-Derivative Transactions8

Class A Common Stock

Indirect

C · Conversion

+2.50K

Price / share

—

Trade value

—

% of position

250.5%

1/5/2026

998.00→3.50K

Class A Common Stock

Indirect

S · Sale

−1.80K

Price / share

$73.61

Trade value

$132.50K

% of position

51.5%

1/5/2026

3.50K→1.70K

Class A Common Stock

Indirect

S · Sale

−600.00

Price / share

$74.41

Trade value

$44.65K

% of position

35.3%

1/5/2026

1.70K→1.10K

Class A Common Stock

Indirect

S · Sale

−100.00

Price / share

$75.19

Trade value

$7.52K

% of position

9.1%

1/5/2026

1.10K→998.00

Class A Common Stock

Direct

C · Conversion

+11K

Price / share

—

Trade value

—

% of position

407.1%

1/5/2026

2.70K→13.70K

Class A Common Stock

Direct

S · Sale

−7.10K

Price / share

$73.56

Trade value

$522.28K

% of position

51.8%

1/5/2026

13.70K→6.60K

Class A Common Stock

Direct

S · Sale

−3.60K

Price / share

$74.29

Trade value

$267.44K

% of position

54.5%

1/5/2026

6.60K→3K

Class A Common Stock

Direct

S · Sale

−300.00

Price / share

$75.07

Trade value

$22.52K

% of position

10.0%

1/5/2026

3K→2.70K

Total

Net shares

+0.00

Net value

-$996.90K

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Indirect	1/5/2026	C · Conversion	+2.50K	—	—	250.5%	998.00	3.50K
Class A Common Stock Indirect	1/5/2026	S · Sale	−1.80K	$73.61	$132.50K	51.5%	3.50K	1.70K
Class A Common Stock Indirect	1/5/2026	S · Sale	−600.00	$74.41	$44.65K	35.3%	1.70K	1.10K
Class A Common Stock Indirect	1/5/2026	S · Sale	−100.00	$75.19	$7.52K	9.1%	1.10K	998.00
Class A Common Stock Direct	1/5/2026	C · Conversion	+11K	—	—	407.1%	2.70K	13.70K
Class A Common Stock Direct	1/5/2026	S · Sale	−7.10K	$73.56	$522.28K	51.8%	13.70K	6.60K
Class A Common Stock Direct	1/5/2026	S · Sale	−3.60K	$74.29	$267.44K	54.5%	6.60K	3K
Class A Common Stock Direct	1/5/2026	S · Sale	−300.00	$75.07	$22.52K	10.0%	3K	2.70K
Total			+0.00		-$996.90K

Derivative Transactions4

Class B Common Stock

Indirect

C · Conversion

Converts to

Class A Common Stock

2.50K shares

−2.50K

Strike price

Held after

842.84K

Exercisable

—

1/5/2026

Stock Option (Right to Buy)

Direct

M · Option Exercise

Converts to

Class B Common Stock

11K shares

−11K

Strike price

4.38

Held after

154.95K

Exercisable

—

1/5/2026

Class B Common Stock

Direct

M · Option Exercise

Converts to

Class A Common Stock

11K shares

+11K

Strike price

Held after

61K

Exercisable

—

1/5/2026

Class B Common Stock

Direct

C · Conversion

Converts to

Class A Common Stock

11K shares

−11K

Strike price

Held after

50K

Exercisable

—

1/5/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Indirect	Class A Common Stock2.50K shares	1/5/2026	C · Conversion	−2.50K		—	842.84K
Stock Option (Right to Buy) Direct	Class B Common Stock11K shares	1/5/2026	M · Option Exercise	−11K	4.38	—	154.95K
Class B Common Stock Direct	Class A Common Stock11K shares	1/5/2026	M · Option Exercise	+11K		—	61K
Class B Common Stock Direct	Class A Common Stock11K shares	1/5/2026	C · Conversion	−11K		—	50K