LIE SEAN

PrivateCIK: 2132472
Location

SUNNYVALE, CA

Senior insider sale

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

$211.16M

1.03M shares

What this filing means

LIE SEAN plans to sell 1.03M shares of CEREBRAS SYSTEMS INC. valued at approximately $211.16M. 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
1.03M
Shares to sell
$211.16M
Approx. market value
53.46K
Acquired (3 months)
1
Planned
6 completed
Securities Acquired — Last 3 Months2
Sort

Exercise of Stock Options

Cash

9/4/2026
46.14K

Performance Stock Units

N/A

6/5/2026
7.32K
Total acquired53.46K
Planned & Completed Dispositions7
Sort

Completed

Completed

Units to sell

4.89K

Market value

$914.0K

8/24/2026
Completed

Units to sell

16.29K

Market value

$3.42M

8/21/2026
Completed

Units to sell

213.07K

Market value

$42.43M

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
Completed

Units to sell

10.96K

Market value

$1.86M

6/25/2026

Planned — Approximate Date

NASDAQPlanned

Units to sell

53.46K

Market value

$10.18M

9/4/2026
Total

Units

1.03M

Value

$211.16M