NEWMARKET CORP

Ticker: NEU CUSIP: 651587107 Class: Common Stock

Chesley Taft & Associates LLC's Holding History (CIK: 0001164632)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 1,120 Value ($000) $770 Avg Close $760.94 Range $681.51 - $872.48