# Fastenal Co (FAST) insider trading, Q3 2026

Canonical: https://sec-api.dev/insider-trading/fast

> 13 non-derivative transactions: 0 purchases, 6 sales ($2.5M). CIK 815556.

| Date | Insider | Relationship | Code | Shares | Price | Owned after | Filing |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 2026-08-13 | Ancius Michael J | Director | G | 400.0 | 0.0 | 58290.0 | https://www.sec.gov/Archives/edgar/data/815556/000145470826000010/0001454708-26-000010-index.htm |
| 2026-08-13 | Papenfuss Donnalee Kathleen | Officer | M | 1364.0 | 13.75 | 1364.0 | https://www.sec.gov/Archives/edgar/data/815556/000204350626000005/0002043506-26-000005-index.htm |
| 2026-08-13 | Papenfuss Donnalee Kathleen | Officer | S | 7894.0 | 51.38 | 0.0 | https://www.sec.gov/Archives/edgar/data/815556/000204350626000005/0002043506-26-000005-index.htm |
| 2026-08-13 | Papenfuss Donnalee Kathleen | Officer | M | 7894.0 | 19.0 | 7894.0 | https://www.sec.gov/Archives/edgar/data/815556/000204350626000005/0002043506-26-000005-index.htm |
| 2026-08-13 | Papenfuss Donnalee Kathleen | Officer | S | 1364.0 | 51.42 | 0.0 | https://www.sec.gov/Archives/edgar/data/815556/000204350626000005/0002043506-26-000005-index.htm |
| 2026-08-10 | Ancius Michael J | Director | M | 3000.0 | 13.75 | 61690.0 | https://www.sec.gov/Archives/edgar/data/815556/000145470826000008/0001454708-26-000008-index.htm |
| 2026-08-10 | Ancius Michael J | Director | S | 3000.0 | 52.0 | 58690.0 | https://www.sec.gov/Archives/edgar/data/815556/000145470826000008/0001454708-26-000008-index.htm |
| 2026-08-05 | Heise Rita J. | Director | M | 24964.0 | 19.0 | 44964.0 | https://www.sec.gov/Archives/edgar/data/815556/000155438726000005/0001554387-26-000005-index.htm |
| 2026-08-05 | Heise Rita J. | Director | S | 10000.0 | 50.05 | 20000.0 | https://www.sec.gov/Archives/edgar/data/815556/000155438726000005/0001554387-26-000005-index.htm |
| 2026-08-05 | Heise Rita J. | Director | M | 10000.0 | 13.0 | 30000.0 | https://www.sec.gov/Archives/edgar/data/815556/000155438726000005/0001554387-26-000005-index.htm |
| 2026-08-05 | Heise Rita J. | Director | S | 24964.0 | 50.05 | 20000.0 | https://www.sec.gov/Archives/edgar/data/815556/000155438726000005/0001554387-26-000005-index.htm |
| 2026-07-28 | Ancius Michael J | Director | S | 3000.0 | 49.0 | 58690.0 | https://www.sec.gov/Archives/edgar/data/815556/000145470826000006/0001454708-26-000006-index.htm |
| 2026-07-28 | Ancius Michael J | Director | M | 3000.0 | 13.75 | 61690.0 | https://www.sec.gov/Archives/edgar/data/815556/000145470826000006/0001454708-26-000006-index.htm |

Source: https://www.sec.gov/data-research/sec-markets-data/insider-transactions-data-sets

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