Daniel L. Florness - 02 Jan 2026 Form 4/A - Amendment Insider Report for FASTENAL CO (FAST)

Role: CEO, Director
Signature: /s/ John J. Milek, Attorney-in-Fact
Issuer symbol: FAST
Transactions as of: 02 Jan 2026
Net transactions value: $0
Form type: 4/A - Amendment
Filing time: 06 Jan 2026, 16:38:29 UTC
Date Of Original Report: 06 Jan 2026
Previous filing: 01 Dec 2025
Next filing: 02 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
FLORNESS DANIEL L	CEO, Director	2001 THEURER BOULEVARD, WINONA	/s/ John J. Milek, Attorney-in-Fact	06 Jan 2026	0001017427

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	FAST	Employee Stock Option (Right to Buy)	Award	$0	+85,365		$0.000000	85,365	02 Jan 2026	Common Stock	85,365	$41.00	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The original report indicated 83,365 derivative securities issued with the Employee Stock Option and the amended report corrects this amount as 85,365 derivative securities.
F2	The option will fully vest and become exercisable over a period of four years, with 25% vesting and becoming exercisable each year following the grant date.