ITEM 5 — OTHER INFORMATION
−Removed: None of our directors or officers (as defined in Rule 16a-1(f) of the Securities Exchange Act) adopted, modified, or terminated any contract, instruction, or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Securities Exchange Act or any non-Rule 10b5-1 trading arrangement (as defined in Item 408(c) of Regulation S-K) during the fiscal quarter ended September 30, 2025.
+Added: None of our directors or officers (as defined in Rule 16a-1(f) of the Securities Exchange Act) adopted, modified, or terminated any contract, instruction, or written plan for the purchase or sale of our securities that was intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Securities Exchange Act or any non-Rule 10b5-1 trading arrangement (as defined in Item 408(c) of Regulation S-K) during the fiscal quarter ended March 31, 2026.
ITEM 6 — EXHIBITS
5 unchanged sentences
32 Certification under Section 906 of the Sarbanes-Oxley Act of 2002 (furnished herewith)
−Removed: 101 The following information from the quarterly report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL:
+Added: 101 The following information from the quarterly report on Form 10-Q for the quarter ended March 31, 2026, formatted in Inline XBRL:
(i) Condensed Consolidated Balance Sheets, (ii) Condensed Consolidated Statements of Income, (iii) Condensed Consolidated Statements of Comprehensive Income, (iv) Condensed Consolidated Statements of Stockholders’ Equity, (v) Condensed Consolidated Statements of Cash Flows, (vi) Notes to Condensed Consolidated Financial Statements, and (vii) the information set forth in Part II, Item 5.
−Removed: 104 The cover page from the quarterly report on Form 10-Q for the quarter ended September 30, 2025, formatted in Inline XBRL.
+Added: 104 The cover page from the quarterly report on Form 10-Q for the quarter ended March 31, 2026, formatted in Inline XBRL.
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
FASTENAL COMPANY
−Removed: October 16, 2025 By:
−Removed: /s/ Daniel L.
−Removed: Chief Executive Officer
−Removed: (Principal Executive Officer)
−Removed: October 16, 2025 By:
+Added: April 16, 2026 By:
+Added: Senior Executive Vice President and Chief Financial Officer
+Added: (Principal Financial Officer)
+Added: April 16, 2026 By:
/s/ Sheryl A.
−Removed: Executive Vice President - Interim Chief Financial Officer, Chief Accounting Officer, and Treasurer
−Removed: (Duly Authorized Officer, Principal Financial Officer, and Principal Accounting Officer)
+Added: Executive Vice President - Chief Accounting Officer and Treasurer
+Added: (Duly Authorized Officer and Principal Accounting Officer)
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.