# EDGAR Filing Document

**Accession Number:** 0001691805
**File Stem:** 0001691805-25-000004
**Filing Date:** 2025-8
**Character Count:** 6528
**Document Hash:** 63e209c8d79c45513e4a285a90f4113e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001691805-25-000004.hdr.sgml**: 20250812

**ACCESSION NUMBER**: 0001691805-25-000004

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250808

**FILED AS OF DATE**: 20250812

**DATE AS OF CHANGE**: 20250812

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Watts Jeffery Michael
- **CENTRAL INDEX KEY:** 0001691805

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-16125
- **FILM NUMBER:** 251205210

**MAIL ADDRESS:**
- **STREET 1:** 48 LAUREL CR.
- **CITY:** INGERSOLL
- **STATE:** A6
- **ZIP:** N5C-3S4
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FASTENAL CO
- **CENTRAL INDEX KEY:** 0000815556
- **STANDARD INDUSTRIAL CLASSIFICATION:** RETAIL-BUILDING MATERIALS, HARDWARE, GARDEN SUPPLY [5200]
- **ORGANIZATION NAME:** 07 Trade & Services
- **EIN:** 410948415
- **STATE OF INCORPORATION:** MN
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 2001 THEURER BLVD
- **CITY:** WINONA
- **STATE:** MN
- **ZIP:** 55987
- **BUSINESS PHONE:** 5074545374

**MAIL ADDRESS:**
- **STREET 1:** 2001 THEURER BLVD
- **CITY:** WINONA
- **STATE:** MN
- **ZIP:** 55987

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

[ ] 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**<sup>*</sup><br>Watts Jeffery Michael<br><sub>(Last) (First) (Middle)</sub><br>48 LAUREL CR.<br><sub>(Street)</sub><br>INGERSOLL, A6 N5C-3S4<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-08-08 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President and Chief Sales Off._ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>FASTENAL CO [ FAST ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-08-08 |  | M |  | 32724<sup>(1)</sup> | A | 13.75<sup>(1)</sup> | 44604 | D |  |
| Common Stock | 2025-08-08 |  | S |  | 32724 | D | $48.0507 | 11880 | D |  |
| Common Stock | 2025-08-08 |  | M |  | 16000<sup>(1)</sup> | A | 13<sup>(1)</sup> | 27880 | D |  |
| Common Stock | 2025-08-08 |  | S |  | 16000 | D | $48.0494 | 11880 | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| Employee Stock Option (Right to Buy) | 13.75<sup>(1)</sup> | 2025-08-08 |  | M |  |  | 32724<sup>(1)</sup> | <sup>(2)</sup> | 2027-12-31 | Common Stock | 32724<sup>(1)</sup> | $0 | 0 | D |  |
| Employee Stock Option (Right to Buy) | 13<sup>(1)</sup> | 2025-08-08 |  | M |  |  | 16000<sup>(1)</sup> | <sup>(2)</sup> | 2028-12-31 | Common Stock | 16000<sup>(1)</sup> | $0 | 18612 | D |  |

---

### Footnotes:

(1) On May 22, 2019 and May 21, 2024, the Common Stock of Fastenal Company spilt 2-for-1 and the amounts reported have been adjusted to reflect these two stock splits.

(2) The option will fully vest and become exercisable over a period of five years, with 40% vesting and becoming exercisable two years following the date of grant, and the remainder vesting and becoming exercisable proportionately (20%) each year thereafter.

**Signature:** /s/ John J. Milek,  Attorney-in-Fact  
**Date:** 2025-08-12

### Remarks:

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.**