Michael J. Ancius - 10 Aug 2026 Form 4 Insider Report for FASTENAL CO (FAST)

Reporting relationship: Director
Issuer ticker: FAST
Reported as of: 10 Aug 2026
Net transaction value: -$156,000
SEC form: 4
Accepted by SEC: 11 Aug 2026, 16:08:22 UTC
Prior SEC filing: 29 Jul 2026
Next SEC filing: 17 Aug 2026
Source filing: View source filing
Reporting owner signature: /s/ John J. Milek, Attorney-in-Fact

Key filing fact

Michael J. Ancius filed Form 4 for FASTENAL CO (FAST) on 11 Aug 2026.

Key facts

This page summarizes Michael J. Ancius's Form 4 filing for FASTENAL CO (FAST).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 11 Aug 2026, 16:08.

Change

Previous filing in this sequence was filed on 29 Jul 2026.
Current net transaction value: -$156,000.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001454708 Primary reporting owner

Ancius Michael J

Relationship: Director
Address: 2001 THEURER BOULEVARD, WINONA
Signature: /s/ John J. Milek, Attorney-in-Fact
Signature date: 11 Aug 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

FAST transaction

Common Stock

Options Exercise

Transaction value
Shares: +3,000
Change %: +5.1%
Price: $13.75^*
Shares after: 61,690
Date: 10 Aug 2026
Ownership: Direct

FAST transaction

Common Stock

Sale

Transaction value: $156,000
Shares: -3,000
Change %: -4.9%
Price: $52.00
Shares after: 58,690
Date: 10 Aug 2026
Ownership: Direct
Footnotes: F1

FAST holding

Common Stock

No transaction description listed

Transaction value
Shares
Change %
Price
Shares after: 13,008
Date: 10 Aug 2026
Ownership: Held in 401(K) Plan
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

FAST transaction Derivative

Stock Option (Right to Buy)

Options Exercise

Transaction value
Shares: -3,000
Change %: -40%
Price: $0.000000^*
Shares after: 4,448
Date: 10 Aug 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 3,000
Exercise price: $13.75
Footnotes: F3

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 3 footnotes

Footnote F1

The amount includes 46,668 shares held in a revocable trust over which the reporting person and his wife share voting and investment power and 12,022 shares held in the reporting person's self-directed IRA.

Footnote F2

Shares maintained in a Retirement Savings 401(K) Plan administered by his employer.

Footnote F3

The option was issued to the reporting person pursuant to Fastenal Company Non-employee Director Stock Option Plan and in connection with his annual director compensation whereby the option was immediately exercisable.