LIE SEAN

PrivateCIK: 2132472
Location

SUNNYVALE, CA

LIE SEAN enters CEREBRAS SYSTEMS INC. with 8.49M shares plus derivative instruments

Holding both equity and derivatives at entry signals strong long-term conviction in the company.

Direct Indirect Derivatives
InsiderLIE SEANCIK 2132472
IssuerCEREBRAS SYSTEMS INC.CIK 2021728
Officer10% Owner· Chief Technology Officer
Since May 2026
8.49M
Baseline shares
98% direct
8.31M
Direct ownership
1 position
1.18M
Derivative underlying
5 instruments
2
Security positions
180.60K indirect
Non-Derivative Holdings2

Class A Common Stock

Direct
Shares owned8.31M

Class A Common Stock

Indirect
Shares owned180.60K
Total
8.31M direct·180.60K indirect8.49M
Derivative Holdings5

Stock Option

Direct
Underlying security
Class A Common Stock

Underlying shares

400K

Shares owned

N/A

Exercise price

5.48

Expiration

Exercise window

Stock Option

Direct
Underlying security
Class A Common Stock

Underlying shares

100K

Shares owned

N/A

Exercise price

7.89

Expiration

Exercise window

Stock Option

Direct
Underlying security
Class A Common Stock

Underlying shares

150K

Shares owned

N/A

Exercise price

5.02

Expiration

Exercise window

Stock Option

Direct
Underlying security
Class A Common Stock

Underlying shares

350K

Shares owned

N/A

Exercise price

2.40

Expiration

Exercise window

Stock Option

Direct
Underlying security
Class A Common Stock

Underlying shares

175K

Shares owned

N/A

Exercise price

2.72

Expiration

Exercise window

Total

Underlying

1.18M

Owned

0.00

LIE SEAN — Initial Ownership Disclosure (Form 3) Filed May 13, 2026 | Finecho