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.

Insider signal Bearish Selling ran elevated versus 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
0
0 transactions
Insiders selling
3
6 transactions
Purchases
$0
0 shares
Sales
$2.5M
50,222 shares
Net activity
-$2.5M
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 $2.5M 6 transactions · 50,222 shares

Largest single sale: $1.2M.

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

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.