LIE SEAN

PrivateCIK: 2132472
Location

SUNNYVALE, CA

Senior insider sale

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

$238.40M

1.16M shares

What this filing means

LIE SEAN plans to sell 1.16M shares of CEREBRAS SYSTEMS INC. valued at approximately $238.40M. 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
1.16M
Shares to sell
$238.40M
Approx. market value
120K
Acquired (3 months)
1
Planned
7 completed
Securities Acquired — Last 3 Months1
Sort

Exercise of Stock Options

Cash

9/25/2026
120K
Total acquired120K
Planned & Completed Dispositions8
Sort

Completed

—Completed

Units to sell

16.04K

Market value

$3.28M

9/8/2026
—Completed

Units to sell

53.46K

Market value

$11.24M

9/4/2026
—Completed

Units to sell

4.89K

Market value

$914.0K

8/24/2026
—Completed

Units to sell

213.07K

Market value

$42.43M

8/21/2026
—Completed

Units to sell

16.29K

Market value

$3.42M

8/21/2026
—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

Planned — Approximate Date

NASDAQPlanned

Units to sell

120K

Market value

$24.77M

9/25/2026
Total

Units

1.16M

Value

$238.40M

LIE SEAN — Planned Insider Sale (Form 144) | Finecho