[Form 4] FASTENAL CO Insider Trading Activity

Rhea-AI Filing Summary

Fastenal Company director reports open-market stock purchase. A Fastenal Company (FAST) director filed a Form 4 disclosing the purchase of 1,000 shares of common stock on 11/19/2025 in a transaction coded "P" for a market purchase at a price of $39.60 per share. Following this transaction, the director beneficially owns 5,000 shares of Fastenal common stock in direct ownership. The filing notes that on May 21, 2025, Fastenal’s common stock underwent a 2-for-1 stock split, and all share amounts in the report have been adjusted to reflect this split.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Nielsen Sarah N

(Last) (First) (Middle)

2001 THEURER BOULEVARD

(Street)

WINONA MN 55987

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
FASTENAL CO [ FAST ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
11/19/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	11/19/2025		P		1,000	A	$39.6	5,000(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. On May 21, 2025, the Common Stock of Fastenal Company split 2-for-1 and the amounts reported have been adjusted to reflect the stock split.

Remarks:

	/s/ John J. Milek, Attorney-in-Fact	11/20/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What insider transaction did Fastenal (FAST) disclose in this Form 4?

A Fastenal Company (FAST) director reported buying 1,000 shares of common stock in an open-market purchase on 11/19/2025.

At what price were the Fastenal (FAST) shares purchased in the reported transaction?

The director purchased the 1,000 Fastenal common shares at a price of $39.60 per share.

How many Fastenal (FAST) shares does the director own after this transaction?

After the reported purchase, the director beneficially owns 5,000 shares of Fastenal common stock in direct ownership.

Did Fastenal (FAST) have a recent stock split affecting the Form 4 numbers?

Yes. On May 21, 2025, Fastenal common stock split 2-for-1, and the share amounts in the report are adjusted to reflect this split.

What does transaction code "P" mean in this Fastenal (FAST) Form 4?

Transaction code "P" indicates an open-market or private purchase of Fastenal common stock by the reporting person.