Latest filingAug 17, 2026Most recent Form 4
FAST
FASTENAL CO
NasdaqConsumer DiscretionaryRetail-Building Materials, Hardware, Garden Supply
Insider activity for last month from 08/03 to 09/03. Counts use processed Form 4 rows. Purchase and sale metrics use codes P and S; totals remain unknown when any matching value is missing. Rows without a usable transaction date cannot be assigned to a rolling period and are excluded.
Total buying$00 buys
Total selling$47.5M2 sells
Net open-market-$47.5M2 insiders
Open-market mix
Buy vs sell distribution by transaction countInsider activity report
Monthly open-market purchase and sale counts Buys Sells
Transaction codes
By Form 4 transaction code in selected period7transactions
- M · Option exercise · dominant4 · 57%
- S · Open-market sells2 · 29%
- G · Gifts1 · 14%
Activity by reported role
A joint filing can contribute to multiple roles7transactions
- ESC · dominant6 · 86%
- Director1 · 14%
Distinct insiders active
Reporting-owner CIKs by month · peak Aug 2026 (2)Aug 2026Sep 2026
Reported Holdings After
Separated by insider, security, and ownership typePapenfuss Donnalee KathleenCommon Stock · Direct
0Aug 13, 2026
Papenfuss Donnalee KathleenEmployee Stock Option (Right to Buy) · Direct
0Aug 13, 2026
Ancius Michael JCommon Stock · Direct
58,290Aug 13, 2026
These are reported post-transaction holdings, not company-wide ownership percentages. Securities, indirect vehicles, and amendments are kept separate.
Filing activity heatmap
Each cell is one day · intensity = transactions · buys green, sells redAug 03 → Sep 03
LessMore
Top insiders
By absolute net value across the selected period- PK-$307.0k
- AJ+$0
Filing detail checks
Secondary metrics for the selected periodFiling-only signals
Deterministic matches in the selected period
FAST transaction history
Filters apply within this company and selected period by default| Ticker | Insider | Role | Type | Shares | Value | Code | Signals | 90d return | Filed | Trans date |
|---|---|---|---|---|---|---|---|---|---|---|
| FAST | Papenfuss Donnalee Kathleen | ESC | exercise | 7.89k | $0 | M | −4.8% | 08/17 | 08/13 | |
| FAST | Papenfuss Donnalee Kathleen | ESC | exercise | 1.36k | $0 | M | −4.8% | 08/17 | 08/13 | |
| FAST | Papenfuss Donnalee Kathleen | ESC | sale | 7.89k | -$40.5M | S | −4.8% | 08/17 | 08/13 | |
| FAST | Papenfuss Donnalee Kathleen | ESC | exercise | 7.89k | $14.9M | M | −4.8% | 08/17 | 08/13 | |
| FAST | Papenfuss Donnalee Kathleen | ESC | sale | 1.36k | -$7.01M | S | −4.8% | 08/17 | 08/13 | |
| FAST | Papenfuss Donnalee Kathleen | ESC | exercise | 1.36k | $1.87M | M | −4.8% | 08/17 | 08/13 | |
| FAST | Ancius Michael J | DIR | gift | 400 | $0 | G | −4.8% | 08/17 | 08/13 |
FASTENAL CO Insider Activity FAQ
SEC Form 4 contextWho recently reported transactions at FASTENAL CO?
Papenfuss Donnalee Kathleen, Ancius Michael J.
When was the latest reported open-market purchase?
No code-P purchase is available for this period.
When was the latest reported open-market sale?
Papenfuss Donnalee Kathleen reported a sale on Aug 13, 2026 valued at $40.5M. Read the SEC filing.
What is the recent purchase and sale balance?
Net open-market selling in the selected period was $475,758.20. Sales can occur for many non-investment reasons.
Where can I see the original SEC filing?
Every transaction row and latest-activity fact links to its original SEC filing.
What do these Form 4 transaction codes mean?
P and S generally describe open-market or private purchases and sales. A, D, F, M, X, G, J, and V describe awards, issuer dispositions, tax withholding, exercises, gifts, other transactions, and voluntary early reports; review each filing and its footnotes for context.