# EDGAR Filing Document

**Accession Number:** 0000815556
**File Stem:** 0000815556-25-000108
**Filing Date:** 2025-7
**Character Count:** 7328
**Document Hash:** 74fa0df2c030ccb8145ead74478a802d
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000815556-25-000108.hdr.sgml**: 20250718

**ACCESSION NUMBER**: 0000815556-25-000108

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250717

**FILED AS OF DATE**: 20250718

**DATE AS OF CHANGE**: 20250718

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Lisowski Sheryl Ann
- **CENTRAL INDEX KEY:** 0001589160

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-16125
- **FILM NUMBER:** 251134251

**BUSINESS ADDRESS:**
- **BUSINESS PHONE:** (507) 453-8550

**MAIL ADDRESS:**
- **STREET 1:** 155 WILDWOOD DRIVE
- **CITY:** WINONA
- **STATE:** MN
- **ZIP:** 55987
**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>Lisowski Sheryl Ann<br><sub>(Last) (First) (Middle)</sub><br>212 WEST SECOND STREET<br><sub>(Street)</sub><br>WINONA, MN 55987<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-07-17 | **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>_Interim CFO and EVP-CAO/Treas._ |
| **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 | 2025-07-17 |  | M |  | 12000<sup>(1)</sup> | A | 24<sup>(1)</sup> | 22192<sup>(1)</sup> | D |  |
| Common Stock | 2025-07-17 |  | S |  | 12000 | D | $45.22 | 10192 | D |  |
| Common Stock | 2025-07-17 |  | M |  | 5052<sup>(1)</sup> | A | 19<sup>(1)</sup> | 15244<sup>(1)</sup> | D |  |
| Common Stock | 2025-07-17 |  | S |  | 5052 | D | $45.2028 | 10192 | D |  |
| Common Stock | 2025-07-17 |  | M |  | 4000<sup>(1)</sup> | A | 24<sup>(1)</sup> | 14192<sup>(1)</sup> | D |  |
| Common Stock | 2025-07-17 |  | S |  | 4000 | D | $45.2069 | 10192 | D |  |
| Common Stock |  |  |  |  |  |  |  | 4195<sup>(1)(2)</sup> | I | Held in 401(K) Plan |

---

## 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) | 24<sup>(1)</sup> | 2025-07-17 |  | M |  |  | 12000<sup>(1)</sup> | <sup>(3)</sup> | 2032-12-31 | Common  Stock | 12000<sup>(1)</sup> | $0 | 18000<sup>(1)</sup> | D |  |
| Employee Stock Option (Right to Buy) | 19<sup>(1)</sup> | 2025-07-17 |  | M |  |  | 5052<sup>(1)</sup> | <sup>(4)</sup> | 2027-12-31 | Common Stock | 5052<sup>(1)</sup> | $0 | 0 | D |  |
| Employee Stock Option (Right to Buy) | 24<sup>(1)</sup> | 2025-07-17 |  | M |  |  | 4000<sup>(1)</sup> | <sup>(4)</sup> | 2030-12-31 | Common Stock | 4000<sup>(1)</sup> | $0 | 4000<sup>(1)</sup> | D |  |

---

### Footnotes:

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

(2) Shares attributed to reporting person's account within issuer's 401(K) Plan.

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

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

**Signature:** /s/ John J. Milek,  Attorney-in-Fact  
**Date:** 2025-07-18

### 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.**