Mallick Dhiraj sold $8.6M of CBRS

Mallick Dhiraj (Chief Operating Officer) sold 38,889 shares of Cerebras Systems Inc. (CBRS) at an average of $222.22 ($214.85–$240.01, $8.64M total) across 26 trades on 2026-08-18.

Original reporting
SEC EDGAR · Mallick Dhiraj
Published Aug 21, 2026, 12:05 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 21, 2026, 12:31 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefInsider activity
Primary signal
MARKET
Neutral
AI market analysis
Mentioned
$CBRS
Relevance
6/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

Low
01

Why it matters

The $8.6 M sale by a senior officer may be interpreted as a modest bearish cue, but the remaining stake remains sizable.

02

Market read

Primary insider sale; modest materiality; limited immediate market impact.

03

What to watch

Potential upcoming product announcements or financing activities that could offset the sell‑off.

Relevance 6/10Novelty 7/10Timing: post‑market 2026‑08‑18

Background

SEC Form 4 filings disclose insider transactions; they are considered primary disclosures for trading decisions.

Market effects

Minimal impact on the AI‑hardware sector; insider sales are common and unlikely to shift sector sentiment.

No significant regional effect; the filing is US‑specific.

Limited global relevance beyond investors tracking Cerebras.

Counterpoint

The sale could be a routine liquidity event, not a negative signal; price may remain stable.

Key entities

  • Cerebras Systems Inc.

    AI‑chip maker listed on NASDAQ under ticker CLS.

  • Mallick Dhiraj

    Chief Operating Officer of Cerebras.

Full insider trading history

This story covers one filing. See everything behind it: every insider buy and sell on record, 10b5-1 plans, late filings, and which officers and directors are trading.

Related articles

$CBRSMed

Why Cerebras Systems Stock Is Plummeting Today

Cerebras Systems (CBRS) shares fell 9.2% after UBS cut its price target by 24% to $250, citing tempered expectations. Despite the reduction, UBS maintains a buy rating, noting potential upside from OpenAI demand and AWS adoption. The stock has also faced criticism from Culper Research, which took a short position. Cerebras is set to report Q3 earnings on Nov. 12.

$CBRSMed

Why is Cerebras Systems stock sliding today?

Cerebras Systems (CBRS) stock fell 8.3% to a 52-week low of $98.50 after UBS cut its price target to $250 from $330, citing reduced near-term conviction. The decline follows a short-seller report alleging chip degradation and upcoming share unlocks. The stock is down 70% from its high, but analysts maintain Buy ratings.

$CBRSHigh

Cerebras Stock Falls as Short Seller Questions Chip Lifespan

Cerebras Systems (CBRS) fell 5.77% after short seller Culper Research alleged its AI chips have a lifespan of 1.5 to 2.5 years and questioned its technology claims. Cerebras has not responded. The drop follows a lockup expiration and reverses part of a previous rally. The stock is far below its 52-week high of $386.34.

$CBRSHigh

Cerebras Gains 10% on Oracle Cloud Deal as “AI Inference Demands Choice”

Cerebras Systems (CBRS) shares rose 10% and Oracle (ORCL) gained 4% on Oct. 27 after Oracle announced plans to offer Cerebras' AI inference on its cloud starting in 2027. The deal aims to provide customers with more AI chip options. Analysts estimate Cerebras' 2027 revenue at $2.95 billion, though no deal value was disclosed. Cerebras trades at roughly half its average forward price/sales multiple since its IPO.

$CBRSMed

Why Cerebras Systems Stock Jumped on Tuesday

Cerebras Systems (CBRS) stock rose 10.1% after announcing a partnership with Oracle (ORCL) to offer its AI chip technology to Oracle Cloud Infrastructure customers. The company's Wafer-Scale Engine (WSE) is promoted for its large size and reduced latency. Cerebras reported a 287% year-over-year increase in cloud revenue to $128 million in Q2, but continues to incur losses.