LaPlume Joseph W 4

What Happened
Joseph W. LaPlume, EVP, Corporate Strategy & Development at Charles River Laboratories (CRL), was granted 5,257 restricted stock units (RSUs) on 2026-05-29 valued at $180.71 each (total ≈ $949,992). Shortly after the grant, 744 RSUs (5/30) and 235 RSUs (5/31) were disposed to satisfy tax withholding obligations (payment of tax liability), for values of $134,448 and $42,467 respectively. After withholding, 4,278 RSUs remain from this award (approximate retained value ≈ $773,077).

Key Details

• Primary award: 5,257 RSUs on 2026-05-29 at $180.71/share (total ≈ $949,992).
• Tax withholding disposals: 744 RSUs on 2026-05-30 ($134,448) and 235 RSUs on 2026-05-31 ($42,467); transaction code F = tax withholding/payment of tax liability.
• Net RSUs retained from this grant: 4,278 RSUs (5,257 − 979 withheld).
• Vesting: Footnote indicates these are unvested RSUs that vest ratably on May 29 of 2027, 2028, 2029 and 2030.
• Filing: Reported on 2026-06-02 for transactions dated 2026-05-29–05-31; filing appears to be timely.

Context

• This is an award of restricted stock units (A = award/acquisition), not an open-market purchase or sale. The subsequent F-coded entries are routine share dispositions to satisfy tax withholding and do not necessarily signal a discretionary sale of shares into the market.
• RSUs are subject to the stated future vesting schedule; until vested they remain subject to forfeiture per company plan.
• For retail investors, awards increase insider exposure on paper but vesting and tax withholdings are standard administrative steps and should be considered alongside other insider transactions and broader company developments.