X0306 4 2012-12-11 0 0000815556 FASTENAL CO FAST 0001418482 Rucinski Steven A 2001 THEURER BLVD. WINONA MN 55987 0 1 0 0 Executive Vice President Common Stock 2012-12-11 4 M 0 12500 22.5 A 12620 D Common Stock 2012-12-11 4 S 0 9011 40.30 D 3609 D Common Stock 2012-12-11 4 S 0 3500 43.08 D 3028 D Common Stock 6427 I By 401(K) Plan Employee Stock Option (Right to Buy) 22.5 2012-12-11 4 M 0 12500 0 D 2016-05-31 Common Stock 12500 37500 D Employee Stock Option (Right to buy) 35 2019-05-31 Common Stock 50000 50000 D Employee Stock Option (Right to buy) 54 2021-05-31 Common Stock 37500 37500 D The options vest and become exercisable over a period of eight years, with 50% of the options vesting and becoming exercisable half way through the relevant vesting period, and the remainder vesting and becoming exercisable proportionately on each anniversary of the date of the grant of the option occurring after the initial vesting date. The options vest and become exercisable over a period of seven years, with 50% of the options vesting and becoming exercisable half way through the relevant vesting period, and the remainder vesting and becoming exercisable proportionately (14%, 14%, 14% and 8%) on each anniversary of the date of the grant of the option occurring after the initial vesting date. The options vest and become exercisable over a period of five years, with 50% of the options vesting and becoming exercisable half way through the relevant vesting period, and the remainder vesting and becoming exercisable proportionately (20%, 20% and 10%) on each anniversary of the date of the grant of the option occurring after the initial vesting date Shares attributed to reporting person's account within issuer's 401(K) Plan as of September 30, 2012. Shares held jointly with reporting person's spouse. John Milek, Attorney-in-Fact 2012-12-13