Charles River Laboratories Director James C. Foster Files Form 144 to Sell $8.41M in Stock

Insider Filing Analysis: Form 144 (Notice of Proposed Sale)

Key Overview

• Issuer: Charles River Laboratories International, Inc. (CRL)
• Filer: James C. Foster, Director
• Filing Date: October 22, 2026
• Approximate Sale Date: October 22, 2026
• Proposed Shares to Sell: 24,042 shares
• Aggregate Market Value: $8,414,700.00 (~$350.00 per share)
• Broker: UBS Financial Services, Inc.

Transaction Details & Origin

• Acquisition Details: The 24,042 shares are being acquired on October 22, 2026, through the exercise of stock options paid in cash.
• Trading Plan: The sale is being executed pursuant to a pre-arranged Rule 10b5-1 trading plan adopted on March 6, 2026.

Recent Activity (Past 3 Months)

In the three months prior to this notice, James Foster executed the following sales:

• August 25, 2026: 33,561 shares for gross proceeds of $10,068,300.00
• August 10, 2026: 28,733 shares for gross proceeds of $7,901,575.00
• Total 3-Month Realized Proceeds: $17,969,875.00 across 62,294 shares.

Trading Significance

• Significance Level: Medium
• Context: The proposed sale represents approximately 0.05% of the 47,738,872 outstanding common shares. Because the transaction originates from an option exercise and is governed by a Rule 10b5-1 plan established over seven months prior, the market signaling effect is mitigated compared to discretionary open-market sales.