C

SEC EDGAR - Form 4 insider activity

Cerebras Systems Inc. $CBRS

Tracked equity - 7 filings indexed by Nortis

Nortis signal thesis

Cluster activity detected. Review whether the filings are open-market trades or routine compensation events.

3

OM buys - 90d

4

OM sells - 90d

0

Routine filings

7

Cluster filings

$387.6K

Largest trade

75/100

Avg signal score

Filing tape

Recent filings

Last 30d: 7
Reported BuyCLUSTERHigh signal 85/100
filed 2026-10-07
VEBoard

Vishria Eric - Director - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 85/100
filed 2026-10-06
FDCEO

Feldman Andrew D. - Director, CEO, President - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported SellCLUSTERNotable 65/100
filed 2026-10-02
SLBoard

Susan Lior - Director

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 71/100
filed 2026-09-30
KJCFO

Komin Robert Patrick Jr. - Chief Financial Officer - $387.6K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported BuyCLUSTERHigh signal 85/100
filed 2026-09-30
MDOfficer

Mallick Dhiraj - Chief Operating Officer - -

Open-market purchases use the insider's own money, so they are generally more informative than awards or option mechanics. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Open-market SellCLUSTERHigh signal 71/100
filed 2026-09-30
PYOfficer

Patel Yagnesh - Chief Accounting Officer - $269.9K

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing
Reported SellCLUSTERNotable 65/100
filed 2026-09-25
SLBoard

Susan Lior - Director

Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale. It is part of a cluster (3+ insiders within 7 days), which is generally more notable than an isolated filing.

View source filing