🕵️ Dorman Products, Inc. ($DORM)
SEC insider & ownership activity, last 12 months · CIK 868780 · every row links its SEC filing
Over the last 12 months insiders sold $3.2M with no open-market buying against it. Hession David sold $1.7M in discretionary trades (Oct). Steven L. Berman trimmed 8.4% → 6.9%; Marc H. Berman trimmed 5.7% → 5.1%. No red-flag 8-Ks in the window.
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Monthly net open-market insider flow, last 12 months (up = net buying)
Insider flow
0 buyers, $0 (0 lots) · 4 sellers, $3.2M (14 lots)
| Insider | Buys | Bought | Sells | Sold | Last |
|---|---|---|---|---|---|
| Hession David | 0 | – | 3 | $1.7M | Oct 31, 2025 |
| McKnight John | 0 | – | 3 | $898K | Dec 12, 2025 |
| Donna M. Long | 0 | – | 7 | $380K | Mar 12, 2026 |
| Gregory C. Bowen | 0 | – | 1 | $237K | Sep 12, 2025 |
5%+ holders
| Holder | Stake | Class | Schedule | Event | |
|---|---|---|---|---|---|
| Steven L. Berman | 6.9% | 13D | Oct 24, 2025 | filing ↗ | |
| Marc H. Berman | 5.1% | 13G | Feb 9, 2026 | filing ↗ | |
| Vanguard Portfolio Management | 5.1% | 13G | Apr 29, 2026 | filing ↗ |
Planned insider sales (Form 144)
| Seller | Planned | Approx. sale date | |
|---|---|---|---|
| McKnight John | $166K | May 6, 2026 | filing ↗ |
| Donna M. Long | $99K | Mar 12, 2026 | filing ↗ |
| Donna M. Long | $100K | Jan 2, 2026 | filing ↗ |
| Steven Berman | $4.5M | Dec 16, 2025 | filing ↗ |
| Marc Berman | $2.3M | Dec 16, 2025 | filing ↗ |
| McKnight John | $258K | Dec 12, 2025 | filing ↗ |
| McKnight John | $1.1M | Dec 1, 2025 | filing ↗ |
| Hession David | $1.7M | Oct 31, 2025 | filing ↗ |
| Marc H Berman | $11.3M | Sep 16, 2025 | filing ↗ |
| Steven L Berman | $22.9M | Sep 16, 2025 | filing ↗ |
| Gregory C. Bowen | $237K | Sep 12, 2025 | filing ↗ |
| Darby Jeffery | $17K | Aug 13, 2025 | filing ↗ |
| Darby Jeffery | $1.4M | Aug 12, 2025 | filing ↗ |
| Donna M. Long | $182K | Aug 12, 2025 | filing ↗ |
| Darby Jeffery | $318K | Aug 11, 2025 | filing ↗ |
Material events (8-K)
| Item | Event date | |
|---|---|---|
| Material agreement (1.01) | Jun 16, 2026 | filing ↗ |
| New financial obligation (2.03) | Jun 16, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 16, 2026 | filing ↗ |
| Other events (8.01) | Jun 2, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jun 2, 2026 | filing ↗ |
| Shareholder vote (5.07) | May 15, 2026 | filing ↗ |
| Earnings (2.02) | May 4, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | May 4, 2026 | filing ↗ |
| Earnings (2.02) | Feb 25, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Feb 25, 2026 | filing ↗ |
| Officer/director changes (5.02) | Jan 19, 2026 | filing ↗ |
| Reg FD disclosure (7.01) | Jan 19, 2026 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Jan 19, 2026 | filing ↗ |
| Earnings (2.02) | Oct 27, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Oct 27, 2025 | filing ↗ |
| Earnings (2.02) | Aug 4, 2025 | filing ↗ |
| Financial Statements and Exhibits (9.01) | Aug 4, 2025 | filing ↗ |