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Charles River Laboratories Director James C. Foster Executes $8.4M Option Exercise & Sale Under 10b5-1 Plan

Medium SignificanceOctober 26, 2026 at 5:20:46 PM EDT

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Filing Summary

# Insider Transaction Report: CRL
**Company:** CHARLES RIVER LABORATORIES INTERNATIONAL, INC. ($CRL)
**Insider:** James C. Foster
**Role:** Director
**Transaction Date:** 2026-10-22

### Transaction Summary
- **Type:** Option Exercise & Sale (Rule 10b5-1)
- **Shares Sold:** 24,042 @ $350.00
- **Gross Proceeds:** $8,414,700.00
- **Exercise Cost:** 24,042 @ $244.41 ($5,876,105.22)
- **Net Pre-Tax Value:** $2,538,594.78
- **Direct Shares Remaining:** 31,596
- **Indirect Holdings:** 201,814 shares (via Trusts & GRATs)

Comprehensive Analysis

Executive Summary

On October 22, 2026, James C. Foster, a director of Charles River Laboratories International, Inc. ($CRL), executed an option exercise and disposition of 24,042 shares of common stock at a price of $350.00 per share, generating total gross proceeds of $8,414,700.00.

Transaction Breakdown

  1. Derivative Exercise:

    • Exercised employee stock options (right to buy) covering 24,042 shares at an exercise price of $244.41 per share (total strike cost: $5,876,105.22).
    • The options were originally scheduled to expire on May 27, 2032.
  2. Open Market Sale:

    • Sold all 24,042 acquired shares at a price of $350.00 per share under transaction code S.
    • Net pre-tax cash realized from the spread was $2,538,594.78 ($105.59 per share spread).
  3. 10b5-1 Plan Adoption:

    • According to Footnote 1, the exercise and sale were conducted pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 6, 2026.

Ownership Structure Post-Transaction

Following these transactions:

  • Direct Holdings: 31,596 shares of Common Stock.
  • Indirect Holdings: 201,814 shares held across multiple vehicles:
    • 2024 GRAT: 5,423 shares
    • 2025 GRAT: 10,780 shares
    • 2026 GRAT: 20,000 shares
    • Trust Held by Spouse: 10,000 shares
    • Family / Living Trust: 155,611 shares

Total combined beneficial ownership remains substantial at 233,410 shares.

Topics:#CRL#CharlesRiver#InsiderTrading#SECForm4#StockMarket

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