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Cerebras Systems Director Discloses Pro-Rata In-Kind Fund Distribution

Low SignificanceSeptember 17, 2026 at 6:04:05 PM EDT

Cerebras Systems Inc.

$CBRS4CIK: 0002021728

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Filing Summary

# Cerebras Systems Inc. (CBRS) - Form 4 Filing
**Reporting Insider:** Susan Lior (Director)
**Filing Date:** September 17, 2026 | **Transaction Date:** September 15, 2026

### Transaction Overview
- **Type:** Pro-Rata In-Kind Distribution (Code J)
- **Shares Distributed:** 451,115 (Indirect via Eclipse Entities)
- **Shares Received:** 24,463 (Direct) and 23,734 (Indirect via estate-planning entity)
- **Price:** $0.00 (No consideration)
- **Total Entity Holdings Post-Transaction:** 6,941,829 shares
- **Direct Holdings Post-Transaction:** 315,124 shares

### Significance
**Rating:** Low
*Note: This transaction represents an in-kind, pro-rata partnership distribution from venture entities rather than an open-market sale or purchase.*

Comprehensive Analysis

Executive Summary

On September 17, 2026, Cerebras Systems Inc. (CBRS) director Lior Susan filed a Form 4 disclosing pro-rata in-kind distributions of Class A Common Stock on September 15, 2026, from investment entities associated with Eclipse Ventures to their limited partners.

Transaction Breakdown

  1. Distribution from Eclipse Entities:

    • Shares Disposed: 451,115 Class A Common Stock shares were distributed pro-rata by Eclipse Entities (Eclipse Continuity Fund I, L.P., Eclipse SPV II, L.P., Eclipse SPV XIII, L.P., and Eclipse Ventures Fund I, L.P.) to their partners for no additional consideration (Transaction Code J).
    • Remaining Indirect Balance: 6,941,829 shares across the Eclipse Entities, where Lior Susan serves as the sole managing member of the general partners.
  2. Receipt by Insider:

    • Direct Acquisition: 24,463 shares received directly as part of the distribution, bringing direct holdings to 315,124 shares.
    • Indirect Acquisition: 23,734 shares received via an estate-planning vehicle controlled by the reporting person, bringing that entity's holdings to 278,775 shares.

Market Impact & Significance

The filing indicates a Low trading significance. In-kind, pro-rata distributions to fund partners are administrative fund distribution events and do not represent discretionary open-market dispositions or acquisitions by the insider.

Topics:#CBRS#CerebrasSystems#Form4#InsiderTrading#EclipseVentures

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