Knell Michael Gunnar 4

What Happened
Michael Gunnar Knell, CSVP, CAO and Interim CFO of Charles River Laboratories (CRL), received 1,668 shares issued following performance-share-unit (PSU) goals being met (reporting code A). To satisfy tax withholding obligations related to that issuance (reporting code F), 526 shares were surrendered/disposed at $211.68 per share, totaling $111,344. The award shares show a $0 acquisition price because they were issued on achievement of performance goals.

Key Details

• Transaction date: 2026-01-30; Form 4 filed 2026-02-02.
• Award: 1,668 shares @ $0.00 (issued following PSU attainment).
• Withholding/disposition: 526 shares @ $211.68, proceeds/value = $111,344 (tax withholding).
• Shares owned after transaction: Not specified in this Form 4.
• Footnote: "Reflects shares of common stock issued following the achievement of performance goals set forth in performance share unit awards originally granted on May 26, 2023."
• Transaction codes: A = Award/Grant; F = Payment of exercise price or tax liability (here, tax withholding). No late-filing flag is indicated on the form.

Context
This was not an open-market purchase or discretionary sale by the insider. The primary event was the settlement of PSUs (vesting/award); the 526-share disposition appears to be a routine company withholding to cover taxes rather than a market sale signal. Such award issuances and related tax withholdings are common and typically reflect compensation settlement rather than insider trading intent.