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sellWeak10b5-1 plan

Donna M. Long sold $100k of DORM

SVP, CIO at Dorman Products, Inc.. 812 shares at an average of $123.75, traded Jan 2, 2026, filed Jan 6, 2026.

Warning score
5
Value
$100k
812 shares
Holdings after
17,856
-4% from before
From 52-week low
+15%
low $108.29, close $124.10
From 52-week high
-25%
high $166.34, as of Jan 2, 2026

Score components

  • Role
    Officer
    +15
  • Trade size
    $100k at market
    +10
  • Share of holdings sold
    Sold 4.3% of holdings
    0
  • Cluster
    No other insider selling within 14 days
    0
  • 10b5-1 plan
    Pre-scheduled under a 10b5-1 plan
    -20

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 +2.8%, 3m -19.1%, 6m +11.6%.

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 Jan 6, 2026: -3.8%SPY +13.4% · excess -17.2%

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 0001628280-26-000946, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Jan 2, 2026SOpen-market sale
Common Stock10b5-1
-53$122.69$6,50318,615Jan 6, 2026
Jan 2, 2026SOpen-market sale
Common Stock10b5-1
-573$123.70$71k18,042Jan 6, 2026
Jan 2, 2026SOpen-market sale
Common Stock10b5-1
-186$124.22$23k17,856Jan 6, 2026

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%
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%
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.

Donna M. Long sold $100k of DORM | InsiderTell