FAST Fastenal Company

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Jansen James C	2. Issuer Name and Ticker or Trading Symbol FASTENAL CO [ FAST ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) Executive Vice President
(Last)          (First)          (Middle) 2001 THEURER BLVD.	3. Date of Earliest Transaction (MM/DD/YYYY) 7/21/2020
(Street) WINONA, MN 55987 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	7/21/2020		M		15000	A	$27	40176	D
Common Stock	7/21/2020		S		15000	D	$45.5494	25176	D
Common Stock								17693 (2)	I	Held ini 401(K) Plan
Common Stock								160	I	Held in custodian account for children

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: 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
Employee Stock Option (Right to Buy)	$27	7/21/2020		M			15000	(1)	5/31/2021	Common Stock	15000	$0	35000	D

Explanation of Responses:
(1)	The option will fully vest and become exercisable over a period of five years, with 50% vesting and becoming exercisable halfway through the relevant vesting period, and the remainder vesting and becoming exercisable incrementally (20%, 20% and 10%) each year thereafter.
(2)	Shares attributed to reporting person's account in issuer's 401(K) Plan and include an additional 111 shares acquired since his prior report filed on May 20, 2020.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Jansen James C 2001 THEURER BLVD. WINONA, MN 55987			Executive Vice President

Signatures
John Milek, Attorney-in-Fact		7/23/2020
**Signature of Reporting Person		Date