Graybar Electric Co Inc

For the quarterly period ended September 30, 2026 or

For the transition period from __________ to __________ Commission File Number: 000-00255

GRAYBAR ELECTRIC COMPANY, INC. (Exact name of registrant as specified in its charter)

New York 13-0794380 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identification No.)

34 North Meramec Avenue , St. Louis , Missouri 63105 (Address of principal executive offices) (Zip Code)

( 314 ) 573 - 9200 (Registrant's telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. YES  NO 

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for shorter period that the registrant was required to submit such files). YES  NO 

Large accelerated filer  Accelerated filer  Non-accelerated filer  Smaller reporting company 

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). YES  NO 

Common Stock Outstanding at October 15, 2026: 32,883,351 (Number of Shares)

Graybar Electric Company, Inc. and Subsidiaries Quarterly Report on Form 10-Q For the Period Ended September 30, 2026 (Unaudited) Table of Contents

Condensed Consolidated Statements of Income 3

Condensed Consolidated Statements of Comprehensive Income 4

Condensed Consolidated Statements of Cash Flows 6

Condensed Consolidated Statements of Changes in Shareholders' Equity 7

Notes to Condensed Consolidated Financial Statements 9

Item 2. Management's Discussion and Analysis of Financial Condition and Results of Operations 18

Item 3. Quantitative and Qualitative Disclosures About Market Risk 23

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds 24