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sellNotable cluster of 5

John McKnight sold $1.1M of DORM

President, Heavy Duty at Dorman Products, Inc.. 8,185 shares at an average of $139.34, traded Dec 3, 2024, filed Dec 5, 2024.

Warning score
65
Value
$1.1M
8,185 shares
Holdings after
8,902
-54% from before
From 52-week low
-
no price yet
From 52-week high
-
no price yet

Score components

  • Role
    President
    +20
  • Trade size
    $1.1M at market
    +25
  • Share of holdings sold
    Sold 54% of holdings
    +20
  • Cluster
    5 insiders selling within 14 days
    +15
  • Exercise and sell
    Shares came from an option exercise in the same filing
    -15

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 -6.6%, 3m -7.6%, 6m -8.8%.

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.

DORMOct 9, 2026 · close 120.40
Since filing Dec 5, 2024: -13.5%SPY +31.2% · excess -44.7%

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 0001628280-24-050092, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Dec 3, 2024MOption exercise
Common Stock
+2,912$61.68$180k15,139Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stock
-2,042$139.13$284k13,097Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stock
-870$139.92$122k12,227Dec 5, 2024
Dec 3, 2024MOption exercise
Common Stock
+1,246$96.36$120k13,473Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stock
-1,146$139.17$159k12,327Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stock
-100$140.11$14k12,227Dec 5, 2024
Dec 3, 2024MOption exercise
Common Stock
+702$91.28$64k12,929Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stock
-581$139.10$81k12,348Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stock
-121$139.72$17k12,227Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stock
-2,280$139.10$317k9,947Dec 5, 2024
Dec 3, 2024SOpen-market sale
Common Stock
-1,045$140.02$146k8,902Dec 5, 2024
Dec 3, 2024MOption exercise
Employee Stock Option (right to buy)derivative
-2,912$0.00$00Dec 5, 2024
Dec 3, 2024MOption exercise
Employee Stock Option (right to buy)derivative
-1,246$0.00$01,246Dec 5, 2024
Dec 3, 2024MOption exercise
Employee Stock Option (right to buy)derivative
-702$0.00$02,109Dec 5, 2024

Related signals

Other insiders at Dorman Products, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
13Weak
DORMsell 210b5-1
Dorman Products, Inc.
Donna M. Long
SVP, CIO
$99k
734 shares
-4%
36Weak
DORMsell 2
Dorman Products, Inc.
Gregory C. Bowen
VP, Chief Accounting Officer
$512k
3,531 shares
-40%
5Weak
DORMsell10b5-1
Dorman Products, Inc.
Donna M. Long
SVP, CIO
$98k
947 shares
-5%
5Weak
DORMsell10b5-1
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%
35Weak
DORMsell
Dorman Products, Inc.
John McKnight
President, Heavy Duty
$640k
4,898 shares
-31%
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
DORMsell10b5-1
Dorman Products, Inc.
Donna M. Long
SVP, CIO
$182k
1,213 shares
-6%
5Weak
DORMsell10b5-1
Dorman Products, Inc.
Donna M. Long
SVP, CIO
$100k
820 shares
-4%

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.

John McKnight sold $1.1M of DORM | InsiderTell