# EDGAR Filing Document

**Accession Number:** 0000868780
**File Stem:** 0001193125-26-042835
**Filing Date:** 2026-2
**Character Count:** 9889
**Document Hash:** c2f96d9be303e7fa510947b88828f5b3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001193125-26-042835.hdr.sgml**: 20260209

**ACCESSION NUMBER**: 0001193125-26-042835

**CONFORMED SUBMISSION TYPE**: SCHEDULE 13G/A

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260209

**DATE AS OF CHANGE**: 20260209

**SUBJECT COMPANY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Dorman Products, Inc.
- **CENTRAL INDEX KEY:** 0000868780
- **STANDARD INDUSTRIAL CLASSIFICATION:** MOTOR VEHICLE PARTS & ACCESSORIES [3714]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 232078856
- **STATE OF INCORPORATION:** PA
- **FISCAL YEAR END:** 1228

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 005-49387
- **FILM NUMBER:** 26611676

**BUSINESS ADDRESS:**
- **STREET 1:** 3400 E WALNUT ST
- **CITY:** COLMAR
- **STATE:** PA
- **ZIP:** 18915
- **BUSINESS PHONE:** 2159971800

**MAIL ADDRESS:**
- **STREET 1:** 3400 E WALNUT ST
- **CITY:** COLMAR
- **STATE:** PA
- **ZIP:** 18915

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** R & B INC
- **DATE OF NAME CHANGE:** 19930328
**FILED BY**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** BERMAN MARC H
- **CENTRAL INDEX KEY:** 0001206109

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** SCHEDULE 13G/A

**MAIL ADDRESS:**
- **STREET 1:** 3400 E WALNUT STREET
- **CITY:** COLMAR
- **STATE:** PA
- **ZIP:** 18915

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## SCHEDULE 13G

### Under the Securities Exchange Act of 1934

**(Amendment No. 10)**

**Issuer:** Dorman Products, Inc.

**Title of Class of Securities:** Common Stock, $0.01 par value per share

**CUSIP Number:** 258278100

**Date of Event Which Requires Filing of this Statement:** 12/31/2025

**Check the appropriate box to designate the rule pursuant to which this Schedule is filed:**

- [ ] Rule 13d-1(b)

- [x] Rule 13d-1(c)

- [ ] Rule 13d-1(d)

---

| 1. | Names of Reporting Persons<br>Marc H. Berman | Names of Reporting Persons<br>Marc H. Berman |
|:---|:---|:---|:---|
| 2. | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] | Check the Appropriate Box if a Member of a Group (See Instructions)<br>(a) [ ] (b) [ ] |
| 3. | SEC Use Only | SEC Use Only |
| 4. | Citizenship or Place of Organization<br>X1 | Citizenship or Place of Organization<br>X1 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 5. | Sole Voting Power<br>1108040 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 6. | Shared Voting Power<br>436854 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 7. | Sole Dispositive Power<br>1108040 |
| Number of<br>Shares<br>Beneficially<br>Owned by<br>Each<br>Reporting<br>Person<br>With | 8. | Shared Dispositive Power<br>436854 |
| 9. | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1544894 | Aggregate Amount Beneficially Owned by Each Reporting Person<br>1544894 |
| 10. | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [x] | Check if the Aggregate Amount in Row (9) Excludes Certain Shares (See Instructions) [x] |
| 11. | Percent of Class Represented by Amount in Row (9)<br>5.1% | Percent of Class Represented by Amount in Row (9)<br>5.1% |
| 12. | Type of Reporting Person (See Instructions)<br>IN | Type of Reporting Person (See Instructions)<br>IN |

**Comment for Type of Reporting Person:** The percentage is based upon 30,388,503 shares of common stock outstanding as of the close of business on December 31, 2025.

---

**Item 1(a). Name of Issuer:**
Dorman Products, Inc.

**Item 1(b). Address of Issuer's Principal Executive Offices:**
3400 East Walnut Street, Colmar, PA 18915

**Item 2(a). Name of Person Filing:**
Marc H. Berman (the "Reporting Person")

**Item 2(b). Address of Principal Business Office:**
P.O. Box 27039
Philadelphia, PA 19118

**Item 2(c). Citizenship:**
United States

**Item 2(d). Title of Class of Securities:**
Common Stock, $0.01 par value per share

**Item 2(e). CUSIP Number:**
258278100

**Item 3. If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:**

(a) [ ] Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o).

(b) [ ] Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c).

(c) [ ] Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c).

(d) [ ] Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8).

(e) [ ] An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);

(f) [ ] An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);

(g) [ ] A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);

(h) [ ] A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

(i) [ ] A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);

(j) [ ] A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), if filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:

(k) [ ] Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

**Item 4. Ownership:**

**(a) Amount beneficially owned:**

As of December 31, 2025, the Reporting Person may be deemed to be the beneficial owner of 1,544,894 shares of Common Stock. The above amount excludes 2,202,497 shares of Common Stock that may be deemed beneficially owned by the Shareholders (as defined in Amendment No. 8 to Schedule 13G) other than the shares held directly by Marc H. Berman, his spouse or trusts for which he or his spouse serves as trustee or as a co-trustee) as to all of which shares Marc H. Berman disclaims beneficial ownership. The filing of this Schedule 13G shall not be construed as an admission that (a) the Reporting Person is, for purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of any equity securities covered by this Schedule 13G or (b) that this Schedule 13G is legally required to be filed by the Reporting Person.

**(b) Percent of class:**

5.1%

**(c) Number of shares as to which the person has:**

**(i) Sole power to vote or to direct the vote:**

1,108,040 (Includes (i) 111,113 shares held directly by the Reporting Person, and (ii) 996,927 shares held by various trusts for which the Reporting Person serves as trustee.)

**(ii) Shared power to vote or to direct the vote:**

436,854 (Includes (i) 10,843 shares held by the Reporting Person's spouse, and (ii) 212,022 shares held by various trusts for which the Reporting Person's spouse serves as trustee, as to which shares the Reporting Person may be deemed to have shared beneficial ownership. The Reporting Person disclaims beneficial ownership of these shares. Also includes (i) 76,174 shares held by a trust for which the Reporting Person and his spouse serve as co-trustees and (ii) 137,815 shares held by various trusts for which the Reporting Person and one of his sisters-in-law serve as a co-trustee.)

**(iii) Sole power to dispose or to direct the disposition of:**

1,108,040 (Includes (i) 111,113 shares held directly by the Reporting Person, and (ii) 996,927 shares held by various trusts for which the Reporting Person serves as trustee.)

**(iv) Shared power to dispose or to direct the disposition of:**

436,854 (Includes (i) 10,843 shares held by the Reporting Person's spouse, and (ii) 212,022 shares held by various trusts for which the Reporting Person's spouse serves as trustee, as to which shares the Reporting Person may be deemed to have shared beneficial ownership. The Reporting Person disclaims beneficial ownership of these shares. Also includes (i) 76,174 shares held by a trust for which the Reporting Person and his spouse serve as co-trustees and (ii) 137,815 shares held by various trusts for which the Reporting Person and one of his sisters-in-law serve as a co-trustee.)

**Item 5. Ownership of Five Percent or Less of a Class.**

[x] If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following.

**Item 6. Ownership of More than 5 Percent on Behalf of Another Person.**

As discussed in Item 4, certain shares of Common Stock that the Reporting Person may be deemed to own beneficially are held by or on behalf of persons other than the Reporting Person, which other persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities.

**Item 7. Identification and Classification of the Subsidiary**

Not Applicable

**Item 8. Identification and Classification of Members of the Group**

Not Applicable

**Item 9. Notice of Dissolution of Group**

Not Applicable

**Item 10. Certification:**

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

### SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

**Marc H. Berman**

**Date:** 02/09/2026

**By:** /s/ Marc H. Berman

**Name & Title:** Marc H. Berman