FELDMAN ANDREW D. (CEO, President) reported 4 transactions at CEREBRAS SYSTEMS INC.

Review the transaction codes below to understand the nature of each event.

FELDMAN ANDREW D.

Filed: 5/15/2026ACC: 0001628280-26-035738

InsiderFELDMAN ANDREW D.CIK 2039573

→

IssuerCEREBRAS SYSTEMS INC.CIK 2021728

DirectorOfficer10% Owner· CEO, President

Since May 2026

-107.08K

Net shares

Net seller

$19.81M

Total sold

Open market trades

0B · 0S

Total transactions

17.01M acquired · 17.11M disposed

Non-Derivative Transactions4

Class A Common Stock

Direct

F · Tax Withholding

−107.08K

Price / share

$185.00

Trade value

$19.81M

% of position

0.8%

5/13/2026

14.16M→14.06M

Class A Common Stock

Direct

J · J

−14.06M

Price / share

—

Trade value

—

% of position

New position

5/15/2026

14.06M→0.00

Class A Common Stock

Indirect

J · J

−50K

Price / share

—

Trade value

—

% of position

New position

5/15/2026

50K→0.00

Class A Common Stock

Indirect

J · J

−50K

Price / share

—

Trade value

—

% of position

New position

5/15/2026

50K→0.00

Total

Net shares

−14.26M

Net value

-$19.81M

Security	Date	Type	Shares	Price / Share	Trade Value	% of Position	Held Before	Held After
Class A Common Stock Direct	5/13/2026	F · Tax Withholding	−107.08K	$185.00	$19.81M	0.8%	14.16M	14.06M
Class A Common Stock Direct	5/15/2026	J · J	−14.06M	—	—	New position	14.06M	0.00
Class A Common Stock Indirect	5/15/2026	J · J	−50K	—	—	New position	50K	0.00
Class A Common Stock Indirect	5/15/2026	J · J	−50K	—	—	New position	50K	0.00
Total			−14.26M		-$19.81M

Derivative Transactions13

Class B Common Stock

Direct

J · J

Converts to

Class A Common Stock

14.06M shares

+14.06M

Strike price

Held after

14.06M

Exercisable

—

5/15/2026

Class B Common Stock

Indirect

J · J

Converts to

Class A Common Stock

50K shares

+50K

Strike price

Held after

50K

Exercisable

—

5/15/2026

Class B Common Stock

Indirect

J · J

Converts to

Class A Common Stock

50K shares

+50K

Strike price

Held after

50K

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class A Common Stock

1.15M shares

−1.15M

Strike price

2.40

Held after

0.00

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class A Common Stock

600K shares

−600K

Strike price

2.72

Held after

0.00

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class A Common Stock

150K shares

−150K

Strike price

7.89

Held after

0.00

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class A Common Stock

150K shares

−150K

Strike price

5.02

Held after

0.00

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class A Common Stock

800K shares

−800K

Strike price

5.48

Held after

0.00

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class B Common Stock

1.15M shares

+1.15M

Strike price

2.40

Held after

1.15M

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class B Common Stock

600K shares

+600K

Strike price

2.72

Held after

600K

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class B Common Stock

150K shares

+150K

Strike price

7.89

Held after

150K

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class B Common Stock

150K shares

+150K

Strike price

5.02

Held after

150K

Exercisable

—

5/15/2026

Stock Option

Direct

J · J

Converts to

Class B Common Stock

800K shares

+800K

Strike price

5.48

Held after

800K

Exercisable

—

5/15/2026

Security	Converts To	Date	Type	Shares	Strike Price	Exercisable	Held After
Class B Common Stock Direct	Class A Common Stock14.06M shares	5/15/2026	J · J	+14.06M		—	14.06M
Class B Common Stock Indirect	Class A Common Stock50K shares	5/15/2026	J · J	+50K		—	50K
Class B Common Stock Indirect	Class A Common Stock50K shares	5/15/2026	J · J	+50K		—	50K
Stock Option Direct	Class A Common Stock1.15M shares	5/15/2026	J · J	−1.15M	2.40	—	0.00
Stock Option Direct	Class A Common Stock600K shares	5/15/2026	J · J	−600K	2.72	—	0.00
Stock Option Direct	Class A Common Stock150K shares	5/15/2026	J · J	−150K	7.89	—	0.00
Stock Option Direct	Class A Common Stock150K shares	5/15/2026	J · J	−150K	5.02	—	0.00
Stock Option Direct	Class A Common Stock800K shares	5/15/2026	J · J	−800K	5.48	—	0.00
Stock Option Direct	Class B Common Stock1.15M shares	5/15/2026	J · J	+1.15M	2.40	—	1.15M
Stock Option Direct	Class B Common Stock600K shares	5/15/2026	J · J	+600K	2.72	—	600K
Stock Option Direct	Class B Common Stock150K shares	5/15/2026	J · J	+150K	7.89	—	150K
Stock Option Direct	Class B Common Stock150K shares	5/15/2026	J · J	+150K	5.02	—	150K
Stock Option Direct	Class B Common Stock800K shares	5/15/2026	J · J	+800K	5.48	—	800K