Insider Ledger

DORM insider buying and SEC filings, explained

Dorman Products, Inc. · CIK 868780

Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov

Company profile

Exchanges
Nasdaq
Industry (SIC)
Motor Vehicle Parts & Accessories
State of incorporation
PA
Fiscal year end
Dec 28
Former names
R & B INC

Insider activity in the last 12 months

Bought
$0
Insiders who bought
0
Sold (not marked 10b5-1)
$258K
Planned sales (10b5-1)
$297K

Insider purchases and sales, last 12 months

TradedTypeWhat was filedSource
Aug 17, 2026Planned (10b5-1)Donna M. Long (SVP, CIO) sold 734 shares at $135.21 ($99K), marked as a 10b5-1 plan trade. Holdings down 4% to 19,339 shares.SEC filing
Filed Aug 18, 2026
Mar 12, 2026Planned (10b5-1)Donna M. Long (SVP, CIO) sold 947 shares at about $103.07 ($98K), marked as a 10b5-1 plan trade. Holdings down 5% to 20,073 shares.SEC filing
Filed Mar 16, 2026
Jan 2, 2026Planned (10b5-1)Donna M. Long (SVP, CIO) sold 812 shares at about $123.75 ($100K), marked as a 10b5-1 plan trade. Holdings down 4% to 17,856 shares.SEC filing
Filed Jan 6, 2026
Dec 12, 2025SaleJohn McKnight (President / COO) sold 2,000 shares at about $128.80 ($258K). Holdings down 18% to 9,112 shares. Not marked as a 10b5-1 plan trade.SEC filing
Filed Dec 15, 2025

46 routine transactions (such as grants, option exercises or tax withholding) are not listed.

Cluster buys

No cluster buys in the last 12 months.

Red flags

No red flags in the last 12 months.

Key events

No key events in the last 12 months.

8-K filings, last 12 months

No 8-K filings in the last 12 months.

Red flags are objective triggers only: the item or form filed, never an opinion.

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