SCHEDULE 13G/A

GRAYBAR ELECTRIC CO INC

Common Stock, par value $1.00 per share · CUSIP: 000000000

Event date: 2025-12-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• BENDER DAVID A

  Shares: 28,182,560.00 · Class: 83.6%

• Richard H. Harvey

  Shares: 28,182,560.00 · Class: 83.6%

• William P. Mansfield

  Shares: 28,182,560.00 · Class: 83.6%

• Kathleen M. Mazzarella

  Shares: 28,182,560.00 · Class: 83.6%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.