PNR ▲ +0.1% - Pentair plc $PNR - Pentair Appoints Louis Pinkham to Board of Directors Pentair appointed Louis Pinkham to its board of directors, a move that had minimal market impact as the stock rose just 0.1% today. Board additions typically reflect management confidence in governance structure but rarely move share price materially unless accompanied by strategic announcements or major policy shifts. 18-SEP-2026 06:58 AM ET