SEC ownership of Dorman Products, Inc.

Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000868780.

Comparable stake leader

Steven L. Berman

Disclosed value leader

BlackRock, Inc.

Comparable rows

50/50

Latest evidence

09 Sep 2026

Ownership snapshot CIK-linked ownership evidence from parsed SEC filings. 3 signals
Comparable ownership rows
50 of 50
Meaning: Rows with safely comparable ownership %
Latest 13D/G holder
Steven L. Berman
Source: Latest parsed Schedule 13D/G stake
Latest parsed ownership date
09 Sep 2026
Freshness: Most recent filing date in this holder set
Issuer Names, identifiers, and filing context for this profile. 2 identity fields
Issuer CIK
0000868780
Issuer location
Colmar, PA

Ownership snapshot

Top shareholders of Dorman Products, Inc. (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
Steven L. Berman
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
09 Sep 2026
13D/G 3/4/5 13F Lead comparable stake: 6.9% 13D/G row: Steven L. Berman Showing 1-8 of 50 holder rows.

Quick read

Steven L. Berman leads the comparable SEC ownership view at 6.9%.

50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens Steven L. Berman's linked filing trail.
Comparable ownership Top 5
Steven L. Berman 6.9%
Marc H. Berman 5.1%
VANGUARD PORTFOLIO MANAGEMENT LLC 5.1%
MORGAN STANLEY 4.4%
Kevin M. Olsen 0.34%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-8 of 50 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
Steven L. Berman
13D/G 3/4/5
Director
6.9%
$326,767,191
2,096,274 shares
-$72,709,135 24 Oct 2025
Marc H. Berman
13D/G
5.1%
$193,374,382
1,544,894 shares
-$26,219,861 31 Dec 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
13F 13D/G
Company · Vanguard Portfolio Management
5.1%
from 13D/G
$209,125,863
1,532,619 shares
30 Jun 2026
MORGAN STANLEY
13F 13D/G
Company
4.4%
from 13D/G
$197,234,212
1,445,466 shares
30 Jun 2026
Kevin M. Olsen
3/4/5
President and CEO, Director
0.34%
$14,159,446
103,770 shares
09 Sep 2026
RILEY RICHARD T
3/4/5
Director
0.1%
$3,163,360
30,312 shares
01 Jun 2026
Joseph P. Braun
3/4/5
SVP and General Counsel
0.07%
$2,538,447
20,424 shares
03 Mar 2026
Scott Leff
3/4/5
SVP, CHRO
0.06%
$2,208,663
17,770 shares
03 Mar 2026
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Forms 3/4/5 flow

Insider trading overview

Net insider flow leans to selling over the last 12 months. Net value: -$3,397,524.

Buys
$0
Insiders: 0
Sells
$3,397,524
Insiders: 4
Net
-$3,397,524
Shares: -25,415
Window
Last 12 months
4 rolling buckets
Buy value Sell value
Shares: 0 Shares: 25,415
Window (months) Buy shares Sell shares Buy value Sell value Net value
0-3 0 4,265 $0 $611,257 -$611,257
3-6 0 0 $0 $0 $0
6-9 0 1,759 $0 $198,096 -$198,096
9-12 0 19,391 $0 $2,588,171 -$2,588,171

Reporting owners

Insider holders from Forms 3/4/5

Showing 1-20 of 26 reporting-owner rows connected to Dorman Products, Inc.. Open a relationship link for the CIK-to-CIK filing trail.

Rows
26
Largest Forms 3/4/5 holder
Steven L. Berman
Net 12M change
-$3,397,524
Latest report
09 Sep 2026
Name Relationship Holdings Value Past Year Net Change Change % Valuation Report Date
Steven L. Berman Director $92,442,296 Mixed 01 Jun 2026
Kevin M. Olsen President and CEO, Director $14,159,446 Median 09 Sep 2026
Paul R. Lederer Director $3,297,492 Mixed 25 May 2022
RILEY RICHARD T Director $3,163,360 Mixed 01 Jun 2026
Donna M. Long Svp, Cio $2,614,809 -$297,340 -10% Filing P/S 17 Aug 2026
Joseph P. Braun SVP and General Counsel $2,538,447 Mixed 03 Mar 2026
Jeffery Darby SVP, Sales and Marketing $2,341,765 Mixed 04 Mar 2025
Scott Leff Svp, Chro $2,208,663 Mixed 03 Mar 2026
Michael Kealey EVP, Commercial $1,801,350 Mixed 05 May 2022
G. Michael Stakias Director $1,685,414 Mixed 01 Jun 2026
Eric Luftig President, Light Duty $1,559,199 Mixed 03 Mar 2026
Kelly A. Romano Director $1,270,269 Mixed 01 Jun 2026
John McKnight President, Heavy Duty $1,173,621 -$897,792 -43% Filing P/S 12 Dec 2025
John J. Gavin Director $1,100,580 Mixed 01 Jun 2026
Lindsay Hunt Pres & CEO, Specialty Vehicle $1,025,256 Mixed 04 Mar 2025
David Hession SVP and CFO $1,024,057 -$1,690,379 -62% Mixed 19 Feb 2026
Brian Borradaile SVP, Strategy & Corp Dev $919,695 Mixed 04 Mar 2025
Lisa M. Bachmann Director $856,586 Mixed 01 Jun 2026
James Darrell Thomas Director $826,322 Mixed 01 Jun 2026
Gregory C. Bowen VP, Chief Accounting Officer $772,865 -$512,013 -40% Filing P/S 05 Aug 2026

Recent insider transactions for Dorman Products, Inc.

Showing up to 300 recent insider transactions from the last 12 months.

Insider Symbol Class Transaction % SEC-reported value SEC-reported price Shares Shares owned Date Ownership
Kevin M. Olsen DORM Common Stock Tax liability -10.3% -11,923 103,770 09 Sep 2026 Direct
Kevin M. Olsen DORM Common Stock Options Exercise 16.6% 16,446 115,693 09 Sep 2026 Direct
Kevin M. Olsen DORM Employee Stock Option (right to buy) Options Exercise -100% -16,446 0 09 Sep 2026 Direct
Kathleen Pacheco DORM Common Stock Tax liability -4.39% -201 4,375 03 Sep 2026 Direct
Donna M. Long DORM Common Stock Sale -3.66% $99,244 $135.21 -734 19,339 17 Aug 2026 Direct
Gregory C. Bowen DORM Common Stock Sale -39.8% $512,013 $145.01 -3,531 5,340 05 Aug 2026 Direct
Gregory C. Bowen DORM Common Stock Options Exercise 66.1% 3,531 8,871 05 Aug 2026 Direct
Gregory C. Bowen DORM Employee Stock Option (right to buy) Options Exercise -100% -3,531 0 05 Aug 2026 Direct
Gregory C. Bowen DORM Common Stock Tax liability -1.42% -76 5,278 02 Jun 2026 Direct
Kathleen Pacheco DORM Common Stock Tax liability -2.5% -116 4,527 02 Jun 2026 Direct
Riley Richard T DORM Common Stock Award 4.64% 1,344 30,312 01 Jun 2026 Direct
James Darrell Thomas DORM Common Stock Award 20.4% 1,344 7,918 01 Jun 2026 Direct
John J. Gavin DORM Common Stock Award 14.6% 1,344 10,546 01 Jun 2026 Direct
Gregory C. Bowen DORM Common Stock Award 4.18% 215 5,354 01 Jun 2026 Direct
Kelly A. Romano DORM Common Stock Award 12.4% 1,344 12,172 01 Jun 2026 Direct
G. Michael Stakias DORM Common Stock Award 9.08% 1,344 16,150 01 Jun 2026 Direct
Lisa M. Bachmann DORM Common Stock Award 19.6% 1,344 8,208 01 Jun 2026 Direct
Steven L. Berman DORM Common Stock Award 0.18% 1,344 761,787 01 Jun 2026 Direct
Riley Richard T DORM Common Stock Tax liability -0.11% -33 28,968 15 May 2026 Direct
Lisa M. Bachmann DORM Common Stock Tax liability -0.48% -33 6,864 15 May 2026 Direct
Kelly A. Romano DORM Common Stock Tax liability -0.3% -33 10,828 15 May 2026 Direct
James Darrell Thomas DORM Common Stock Tax liability -0.5% -33 6,574 15 May 2026 Direct
Donna M. Long DORM Common Stock Sale -4.51% $97,608 $103.07 -947 20,073 12 Mar 2026 Direct
Gregory C. Bowen DORM Common Stock Tax liability -2.04% -107 5,139 04 Mar 2026 Direct
Scott Leff DORM Common Stock Tax liability -2.94% -539 17,770 04 Mar 2026 Direct
Eric Luftig DORM Common Stock Tax liability -2.38% -306 12,545 04 Mar 2026 Direct
Joseph P. Braun DORM Common Stock Tax liability -2.57% -538 20,424 04 Mar 2026 Direct
Kevin M. Olsen DORM Common Stock Tax liability -2.67% -2,724 99,137 04 Mar 2026 Direct
Donna M. Long DORM Common Stock Tax liability -2.46% -531 21,020 04 Mar 2026 Direct
Gregory C. Bowen DORM Common Stock Tax liability -1.43% -76 5,246 03 Mar 2026 Direct
Scott Leff DORM Common Stock Tax liability -1.27% -235 18,309 03 Mar 2026 Direct
Kathleen Pacheco DORM Common Stock Tax liability -2.97% -142 4,643 03 Mar 2026 Direct
Eric Luftig DORM Common Stock Tax liability -2.11% -277 12,851 03 Mar 2026 Direct
Joseph P. Braun DORM Common Stock Tax liability -1.43% -304 20,962 03 Mar 2026 Direct
Kevin M. Olsen DORM Common Stock Tax liability -1.99% -2,072 101,861 03 Mar 2026 Direct
Donna M. Long DORM Common Stock Tax liability -1.02% -221 21,551 03 Mar 2026 Direct
Steven Bashir DORM Common Stock Award 1,293 1,293 02 Mar 2026 Direct
Nathan J. Porter DORM Common Stock Award 3,666 3,666 02 Mar 2026 Direct
Steven L. Berman DORM Common Stock Tax liability -0.01% -55 760,443 02 Mar 2026 Direct
Charles W. Rayfield DORM Common Stock Award 2,587 2,587 02 Mar 2026 Direct
Eric Luftig DORM Common Stock Award 48.9% 4,312 13,128 02 Mar 2026 Direct
Eric Luftig DORM Common Stock Tax liability -3.15% -287 8,816 02 Mar 2026 Direct
Gregory C. Bowen DORM Common Stock Award 13.8% 646 5,322 02 Mar 2026 Direct
Gregory C. Bowen DORM Common Stock Tax liability -2.24% -107 4,676 02 Mar 2026 Direct
Kevin M. Olsen DORM Common Stock Award 19.9% 17,251 103,933 02 Mar 2026 Direct
Kevin M. Olsen DORM Common Stock Tax liability -1.39% -1,223 86,682 02 Mar 2026 Direct
Kathleen Pacheco DORM Common Stock Award 56.4% 1,725 4,785 02 Mar 2026 Direct
Scott Leff DORM Common Stock Award 21.1% 3,234 18,544 02 Mar 2026 Direct
Scott Leff DORM Common Stock Tax liability -1.03% -159 15,310 02 Mar 2026 Direct
Donna M. Long DORM Common Stock Award 13.5% 2,587 21,772 02 Mar 2026 Direct
* marks a reported price that did not pass the local price check.
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