[Form 4] Dorman Products, Inc. New Insider Trading Activity

Rhea-AI Filing Summary

Kathleen Pacheco, an officer (President, Specialty Vehicle) of Dorman Products, Inc. (DORM), reported a Section 16 transaction on 09/03/2025. The filing shows 134 shares were disposed of under code F at a price of $158.68 per share; the filer explains these shares were withheld by the issuer to satisfy tax withholding upon the vesting of restricted stock units. After the withholding, the reporting person beneficially owned 2,960 shares directly. The Form 4 was signed by Frank J. Mahr by power of attorney on 09/04/2025. No derivative transactions or other securities classes are reported in this filing.

Insights

Financial Analyst

TL;DR: Routine tax-withholding disposition of vested RSUs; immaterial to company valuation.

The transaction reported is a standard withholding of shares to cover tax obligations arising from vested restricted stock units, recorded as a disposition under Section 16 (code F). The quantity is small (134 shares) relative to typical public-company float and the reporting person’s remaining direct holdings (2,960 shares), indicating no change to management ownership control. There are no option exercises, new grants, or sales to third parties disclosed here, so the filing has negligible direct impact on DORM's capital structure or market liquidity.

Corporate Governance Expert

TL;DR: Compliance filing documenting withholding for tax obligations; shows proper reporting and POA signature.

The Form 4 documents compliance with Section 16 reporting requirements for an officer and confirms the issuer withheld shares upon RSU vesting. The explanatory remark clarifies treatment as a disposition for reporting purposes. The signature by a power of attorney is provided, which is acceptable practice for timely filing. No governance red flags, related-party transactions, or unusual compensation arrangements are disclosed in this statement.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Pacheco Kathleen

(Last) (First) (Middle)

C/O DORMAN PRODUCTS, INC.

3400 EAST WALNUT STREET

(Street)

COLMAR PA 18915

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Dorman Products, Inc. [ DORM ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	President, Specialty Vehicle

3. Date of Earliest Transaction (Month/Day/Year)
09/03/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/03/2025		F		134	D	$158.68	2,960(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations. Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended.

Remarks:

The filing of this Statement shall not be construed as an admission (a) that the person filing this Statement is, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the beneficial owner of any securities covered by this Statement, or (b) that this Statement is legally required to be filed by such person.

	/s/ Frank J. Mahr, by Power of Attorney	09/04/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What transaction did Kathleen Pacheco report on Form 4 for DORM?

The Form 4 reports a disposition of 134 shares on 09/03/2025 under code F, withheld to satisfy tax withholding from vested RSUs.

How many DORM shares does the reporting person own after the transaction?

After the withholding, the reporting person beneficially owned 2,960 shares as reported on the Form 4.

What price is shown for the withheld shares in the filing?

The filing lists a price of $158.68 per share for the 134 shares withheld.

Who signed the Form 4 and when was it signed?

The Form 4 was signed by Frank J. Mahr by power of attorney on 09/04/2025.

Does the Form 4 show any derivative transactions or option exercises?

No. Table II shows no derivative securities; only the non-derivative withholding of common stock is reported.