🔴 Plug Power is trading 4.17% down today after COO Dean C. Fullerton resigns

Plug Power is trading 4.17% lower at $1.96 after COO Dean C. Fullerton announced his resignation on September 23, 2026, effective October 23, 2026, to join another company.

• The resignation appears to be the clearest company-specific pressure on the shares.
• Broader weakness is adding pressure: the S&P 500 is down 0.39% and the Nasdaq Composite is down 0.80%.