$CRWV

Magnetar Financial LLC (Snyderman David J.) sold $213.8M of CRWV (indirect holdings)

Magnetar Financial LLC sold 1,921,259 indirectly-held shares of CoreWeave, Inc. (CRWV) at an average of $111.27 ($107.75–$115.61, $213.78M total) across 27 trades on 2026-08-13. Filed jointly with Magnetar Capital Partners LP (10% owner), Supernova Management LLC (10% owner) and Snyderman David J. (10% owner).

Original reporting
SEC EDGAR · Magnetar Financial LLC, Magnetar Capital Partners LP, Supernova Management LLC, Snyderman David J.
Published Aug 15, 2026, 1:51 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Aug 15, 2026, 2:08 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
$CRWV
Neutral
medium confidence
Mentioned
$CRWV
Relevance
8/10
AlphAI data visualization · based on SEC EDGAR
Decision brief

The 30-second read

$CRWVNeutralLow
01

Why it matters

A $213.8M open-market sale by a 10% owner group can influence short-term sentiment and options positioning, but it does not change CoreWeave’s operating outlook based on the provided text.

02

Market read

Traders may monitor CRWV for near-term sentiment effects from a large 10% owner sale, but the filing provides no new fundamentals.

03

What to watch

Because the transaction is indirect and the filing does not state a 10b5-1 plan, traders should avoid over-interpreting intent; also, the market may already have priced the sale if it was executed during normal trading hours.

Relevance 8/10Novelty 6/10Timing: filed 2026-08-14 for sales executed 2026-08-13

Background

The article is an SEC Form 4 insider transaction disclosure for CoreWeave, Inc. (CRWV) involving Magnetar Financial LLC and co-reporting 10% owners.

Company-level read

Ticker impact

$CRWVNeutralMedium confidence
Context

CoreWeave disclosed a Form 4 showing Magnetar sold $213.8M of CRWV shares via indirect holdings on 2026-08-13.

Expected impact

Modest negative bias for the next few sessions, with limited fundamental read-through.

Evidence & confidence

The filing is primary-source and material in dollar terms, but it does not provide new company fundamentals or a stated catalyst; indirect holdings and absence of a 10b5-1 plan reduce interpretability rather than confirm intent.

Market effects

Limited direct sector signal; this is company-specific ownership activity rather than a sector-wide regulatory or demand shock.

None indicated.

None indicated.

Counterpoint

The sale may be portfolio rebalancing or liquidity management, especially given the multi-trade execution window and lack of any accompanying negative company-specific disclosure.

Key entities

  • CoreWeave, Inc.

    Subject of the Form 4 insider transaction disclosure (CRWV).

  • Magnetar Financial LLC

    Reporter of the Form 4, selling CRWV indirectly via open-market transactions.

  • Snyderman David J.

    Co-reporting 10% owner listed on the joint filing; indirect holdings reduced after the sale.

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

$CRWVHigh

Bernstein Spots the AI Buildout’s First Real Casualty as Industry Leaders Push for a Slower Pace

Bernstein analysts identified CoreWeave as a potential casualty in the AI sector, citing its rural data centers' exposure to slower AI model training. The firm assigned an Underperform rating and $74 price target, causing shares to drop 8% on Sept. 14. The note followed calls from AI executives, including Anthropic's Dario Amodei, for a slower pace in AI development. Bernstein maintained positive ratings on Nvidia, Broadcom, and Applied Materials, expecting continued spending despite slower trai

$CRWVHigh

Bernstein's AI slowdown warning has one clear loser

Bernstein warned of a potential AI slowdown, naming CoreWeave (CRWV) as the most vulnerable. The firm cited CoreWeave's exposure to rural data centers, which are more sensitive to training slowdowns. Shares fell 6.75% on Sept. 14. Bernstein rates CoreWeave Underperform with a $74 price target, while other data center companies like Equinix and Digital Realty are rated Outperform.

$LITEMed

Why Cybersecurity Stocks Soared, AI Soured

AI companies like OpenAI and Anthropic expressed safety concerns, potentially slowing AI development. Shares of AI-related firms like Lumentum, Corning, Coherent, Dell, CoreWeave, Nebius, and HPE dropped. Meanwhile, cybersecurity stocks such as CrowdStrike, Zscaler, and Palo Alto Networks saw gains. Anthropic plans to IPO next month.

$CRWVMed

Bernstein Drops Stark Take On CoreWeave Stock

Bernstein downgraded CoreWeave (CRWV), citing risks if AI model training slows, as its rural data centers may be less resilient. The firm set a $74 price target and Underperform rating. CRWV shares fell 8% Monday. Bernstein notes 74% of CRWV's contracted power is in Tier 3/4 markets, vulnerable if demand shifts from training to inference.

$CRWVMedAI 8/10

CoreWeave Imploded Over The Last Few Months: One High

CoreWeave (CRWV) shares have fallen 46% from their 52-week high despite 112% revenue growth. Analysts highlight its AI infrastructure focus and $104B revenue backlog, but concerns over cash burn and high debt persist. Rosenblatt targets $250, implying 201% upside, while consensus sees 74% upside. Peers Nebius (NBIS) and IREN also show mixed performance.