Comparable stake leader
Steven L. Berman
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
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.
Quick read
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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| 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 |
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
Net insider flow leans to selling over the last 12 months. Net value: -$3,397,524.
| 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
Showing 1-20 of 26 reporting-owner rows connected to Dorman Products, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| 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 |
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 |