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DORM

Dorman Products (DORM) stock: insider trades, news & valuation

Heavy selling
Close · Oct 9, 2026 $120.40 -1.0% on the day -15.8% over 12 months 52-week range $100.50 – $158.03

Share price and insider trades

DORM closeInsider buyInsider sale
100120140160NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $97,608 on 2026-03-12 · Donna M. LongSold $99,244 on 2026-08-17 · Donna M. LongSold $100,488 on 2026-01-02 · Donna M. LongSold $257,600 on 2025-12-12 · John McknightSold $512,013 on 2026-08-05 · Gregory C. BowenSold $640,216 on 2025-12-01 · John McknightSold $1,690,409 on 2025-10-31 · David Hession
Bought, 12 months$0
Sold, 12 months$3.4M
Insiders buying0
Insiders selling4

Dorman Products insider trading at a glance (Oct 9, 2026): in the past 12 months, 0 insiders bought $0 and 4 sold $3.4M of DORM stock on the open market.

DORM insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q4 2025: $2.6M sold (6 trades)Q4 2025Q1 2026: $198K sold (6 trades)Q1 2026Q2 2026Q3 2026: $611K sold (3 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$611K3
Q2 2026—0—0
Q1 2026—0$198K6
Q4 2025—0$2.6M6

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.1×Last 5 sessions
Insiders' paper profit—On all tracked purchases —

Summary

Over the past 12 months, 0 Dorman Products, Inc. insiders reported open-market purchases totaling $0, while 4 insiders reported sales totaling $3.4M. 7 of 15 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Aug 18SEC Donna M. LongSvp, Cio Sell Plan 73419,339 held (−4%) $135.21 $99K -11.0% —
Aug 7SEC Gregory C. BowenVp, Chief Accounting Officer Sell 1,9746,897 held (−22%) $145.23 $287K -17.1% —
Aug 7SEC Gregory C. BowenVp, Chief Accounting Officer Sell 1,5575,340 held (−23%) $144.72 $225K -16.8% —
Mar 16SEC Donna M. LongSvp, Cio Sell Plan 39420,308 held (−2%) $103.21 $41K +16.7% —
Mar 16SEC Donna M. LongSvp, Cio Sell Plan 31820,702 held (−2%) $102.19 $32K +17.8% —
Mar 16SEC Donna M. LongSvp, Cio Sell Plan 23520,073 held (−1%) $104.03 $24K +15.7% —
Jan 6SEC Donna M. LongSvp, Cio Sell Plan 57318,042 held (−3%) $123.70 $71K -2.7% —
Jan 6SEC Donna M. LongSvp, Cio Sell Plan 18617,856 held (−1%) $124.22 $23K -3.1% —
Jan 6SEC Donna M. LongSvp, Cio Sell Plan 5318,615 held (−0%) $122.69 $7K -1.9% —
Dec 15SEC John McknightPresident Sell 2,0009,112 held (−18%) $128.80 $258K -6.5% —
Dec 3SEC John McknightPresident Sell 3,98712,023 held (−25%) $130.60 $521K -7.8% —
Dec 3SEC John McknightPresident Sell 91111,112 held (−8%) $131.19 $120K -8.2% —
Nov 3SEC David HessionCFO Sell 6,5158,497 held (−43%) $135.42 $882K -11.1% —
Nov 3SEC David HessionCFO Sell 3,12015,012 held (−17%) $134.14 $419K -10.2% —
Nov 3SEC David HessionCFO Sell 2,8585,639 held (−34%) $136.33 $390K -11.7% —

Insiders at Dorman Products, Inc.

InsiderBoughtSoldLast filingScore
David HessionCFO — $1.7M Nov 3, 2025 —
John McknightPresident — $898K Dec 15, 2025 —
Gregory C. BowenVp, Chief Accounting Officer — $512K Aug 7, 2026 —
Donna M. LongSvp, Cio — $297K Aug 18, 2026 —

DORM stock: common questions

Are Dorman Products, Inc. insiders buying DORM stock?

In the past 12 months, 0 insiders reported open-market purchases of DORM worth $0.

Are Dorman Products, Inc. insiders selling DORM stock?

4 insiders reported sales worth $3.4M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is DORM's 52-week range?

Over the past year DORM has traded between $100.50 and $158.03. It last closed at $120.40 on Oct 9, 2026.