LIE SEAN

PrivateCIK: 2132472
Location

SUNNYVALE, CA

Senior insider sale

Chief Technology Officer at CEREBRAS SYSTEMS INC. — senior position signals high conviction

$157.63M

758.75K shares

What this filing means

LIE SEAN plans to sell 758.75K shares of CEREBRAS SYSTEMS INC. valued at approximately $157.63M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderLIE SEANCIK 2132472
IssuerCEREBRAS SYSTEMS INC.CIK 2021728
Officer10% Owner· Chief Technology Officer
Since May 2026
758.75K
Shares to sell
$157.63M
Approx. market value
16.29K
Acquired (3 months)
1
Planned
3 completed
Securities Acquired — Last 3 Months1
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Exercise of Stock Options

Cash

8/21/2026
16.29K
Total acquired16.29K
Planned & Completed Dispositions4
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Completed

Completed

Units to sell

710.25K

Market value

$147.63M

8/20/2026
Completed

Units to sell

21.26K

Market value

$4.72M

8/18/2026
Completed

Units to sell

10.96K

Market value

$1.86M

6/25/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

16.29K

Market value

$3.42M

8/21/2026
Total

Units

758.75K

Value

$157.63M