FAST Fastenal Co.

NASDAQ
$49.44

Fastenal Co. (FAST) Insider Activity

What the officers, directors and large holders did with their own shares. Only open-market purchases and sales count toward the totals — grants, option exercises and shares withheld for tax are compensation mechanics, not decisions, and they're listed separately below.

30D 90D 6M 1Y
Insider signal In line Selling ran in line with FAST's own trailing one-year pace, with 0% of sale value under a prearranged plan.
Cluster activity 0 buyers in the last 30 days 0 buyers in the last 90 days 3 sellers in the last 90 days
Insiders buying
4
6 transactions
Insiders selling
5
8 transactions
Purchases
$253.5K
6,000 shares
Sales
$5.0M
103,106 shares
Net activity
-$4.7M
purchases less sales

How much of that selling was preplanned? 0% planned / 100% discretionary

10b5-1 plan sales $0 0 transactions · 0 shares
Discretionary sales $5.0M 8 transactions · 103,106 shares

Largest single sale: $1.7M.

Where they traded

Buy Sell Dot area is proportional to transaction value.

Last open-market purchase: November 19, 2025 , by Nielsen Sarah N .

Recent open-market activity

Date Insider Role Action Shares Price Value Held after
Papenfuss Donnalee Kathleen 2 fills EVP-Strategy and Communication Sell 9,258 $51.39 $475.8K None left
Ancius Michael J Director Sell 3,000 $52.00 $156.0K 58,690 −4.9% of holding
Heise Rita J. 2 fills Director Sell 34,964 $50.05 $1.8M 20,000 −63.6% of holding
Ancius Michael J Director Sell 3,000 $49.00 $147.0K 58,690 −4.9% of holding
Wisecup Reyne K Director Sell 36,920 $47.34 $1.7M 40,000 −48% of holding
SATTERLEE SCOTT Director Sell 15,964 $44.19 $705.5K 50,000 −24.2% of holding
Nielsen Sarah N Director Buy 1,000 $39.60 $39.6K 5,000
Johnson Daniel L. Director Buy 1,000 $40.44 $40.4K 22,190
HSU Hsenghung Sam 2 fills Director Buy 2,000 $45.08 $90.2K 10,000
Eastman Stephen L. Director Buy 1,000 $40.82 $40.8K 21,000
HSU Hsenghung Sam Director Buy 1,000 $42.45 $42.5K 9,000

Form 4s are due within two business days of a transaction, so this is close to real time — unlike the quarterly 13F data on the Institutional tab. A single large sale often reflects a prearranged 10b5-1 plan rather than a fresh view, so read a pattern of sales rather than any one of them.