John McKnight sold $640k of DORM
President, Heavy Duty at Dorman Products, Inc.. 4,898 shares at an average of $130.71, traded Dec 1, 2025, filed Dec 3, 2025.
Score components
- +20RolePresident
- +20Trade size$640k at market
- +10Share of holdings soldSold 31% of holdings
- 0ClusterNo other insider selling within 14 days
- -15Exercise and sellShares came from an option exercise in the same filing
What happened after comparable sells
Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.
This signal so far: 1m -3.7%, 3m -9.9%, 6m -3.2%.
Price around the trade, and since
From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™
Rows in this filing
Every transaction in Form 4 0001628280-25-054995, as filed. Open on EDGAR
| Date | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|
| Dec 1, 2025 | MOption exercise Common Stock | +1,356 | $73.72 | $100k | 12,734 | Dec 3, 2025 |
| Dec 1, 2025 | MOption exercise Common Stock | +1,950 | $101.45 | $198k | 14,684 | Dec 3, 2025 |
| Dec 1, 2025 | MOption exercise Common Stock | +623 | $96.36 | $60k | 15,307 | Dec 3, 2025 |
| Dec 1, 2025 | MOption exercise Common Stock | +703 | $91.28 | $64k | 16,010 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock | -3,987 | $130.60 | $521k | 12,023 | Dec 3, 2025 |
| Dec 1, 2025 | SOpen-market sale Common Stock | -911 | $131.19 | $120k | 11,112 | Dec 3, 2025 |
| Dec 1, 2025 | MOption exercise Employee Stock Option (right to buy)derivative | -1,356 | $0.00 | $0 | 1,392 | Dec 3, 2025 |
| Dec 1, 2025 | MOption exercise Employee Stock Option (right to buy)derivative | -1,950 | $0.00 | $0 | 0 | Dec 3, 2025 |
| Dec 1, 2025 | MOption exercise Employee Stock Option (right to buy)derivative | -623 | $0.00 | $0 | 623 | Dec 3, 2025 |
| Dec 1, 2025 | MOption exercise Employee Stock Option (right to buy)derivative | -703 | $0.00 | $0 | 1,406 | Dec 3, 2025 |
Related signals
Other insiders at Dorman Products, Inc. and this insider’s other filings.
| Score | Company | Insider | Value | Holdings | Filed |
|---|---|---|---|---|---|
| 13Weak | Dorman Products, Inc. | Donna M. Long SVP, CIO | $99k 734 shares | -4% | |
| 36Weak | Dorman Products, Inc. | Gregory C. Bowen VP, Chief Accounting Officer | $512k 3,531 shares | -40% | |
| 5Weak | Dorman Products, Inc. | Donna M. Long SVP, CIO | $98k 947 shares | -5% | |
| 5Weak | Dorman Products, Inc. | Donna M. Long SVP, CIO | $100k 812 shares | -4% | |
| 38Weak | DORMsell Dorman Products, Inc. | John McKnight President, Heavy Duty | $258k 2,000 shares | -18% | |
| 67Notable | DORMsell Dorman Products, Inc. | David Hession SVP and CFO | $1.7M 12,493 shares | -69% | |
| 18Weak | DORMsell Dorman Products, Inc. | Gregory C. Bowen VP, Chief Accounting Officer | $237k 1,453 shares | -24% | |
| 7Weak | Dorman Products, Inc. | Donna M. Long SVP, CIO | $182k 1,213 shares | -6% | |
| 5Weak | Dorman Products, Inc. | Donna M. Long SVP, CIO | $100k 820 shares | -4% | |
| 41Moderate | DORMsell Dorman Products, Inc. | John J Gavin director | $380k 2,900 shares | -26% |
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.