SATTERLEE SCOTT 4

What Happened
Scott Satterlee, a director of Fastenal Co. (FAST), exercised 15,964 stock options on Jan 23, 2026 at $19.00 per share (exercise cost $303,316) and sold those 15,964 shares the same day in an open-market sale at $44.19 per share for $705,454. The transactions produced gross proceeds of $705,454 and a difference of $402,138 between sale proceeds and exercise cost (before taxes and fees).

Key Details

• Transaction dates: January 23, 2026.
• Actions reported: Option exercise (code M) — 15,964 shares acquired at $19.00 ($303,316) and an open-market sale (code S) — 15,964 shares sold at $44.19 ($705,454). A related derivative conversion line (M) is also shown at $0.00.
• Net proceeds (sale minus exercise cost): ~$402,138 (pre-tax, pre-fees).
• Shares owned after transaction: Not specified in the supplied filing excerpt.
• Footnotes of note:
  • F1 — the option was previously reported in a Jan 6, 2020 filing covering 12,482 securities and was adjusted for a 2-for-1 stock split on May 21, 2025.
  • F2 — the option was issued under the Fastenal Non‑employee Director Stock Option Plan as part of annual director compensation and was immediately vested and exercisable on grant date.
• Filing timeliness: Form 4 was filed Jan 27, 2026 for the Jan 23 transaction; this meets the two-business-day SEC filing window.

Context
This is an option exercise followed by an immediate sale of the resulting shares (a common cashless-style outcome for option exercises by non-employee directors). Such transactions are often routine director compensation realizations and do not, by themselves, indicate a change in company outlook. The report notes the grant/option history and that the option was immediately vested when issued.