Tax withholding trims Dorman (DORM) SVP Scott Leff share stake

Rhea-AI Filing Summary

Dorman Products, Inc. reported that SVP, CHRO Scott Leff had shares of common stock withheld to cover tax obligations tied to vested restricted stock units. On March 3, 2026, 235 shares were withheld at $116.22 per share, and on March 4, 2026, 539 shares were withheld at $116.16 per share. After these tax-withholding dispositions, he held 17,770.2428 shares of common stock directly.

Insider Trade Summary

2 transactions reported

Mixed 2 txns

Insider Leff Scott

Role SVP, CHRO

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	539	$116.16	$63K
Tax Withholding	Common Stock	235	$116.22	$27K

Holdings After Transaction: Common Stock — 17,770.243 shares (Direct)

Footnotes (1)

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Form 4 Insider Transactions: What Each Field Means →

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
Estimated average burden
hours per response:			0.5

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^*

Leff Scott

(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)
	SVP, CHRO

3. Date of Earliest Transaction (Month/Day/Year)
03/03/2026

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	03/03/2026		F		235(1)	D	$116.22	18,309.2428	D
Common Stock	03/04/2026		F		539(1)	D	$116.16	17,770.2428	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	03/05/2026
	** 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 insider activity did Dorman Products (DORM) report for Scott Leff?

Dorman Products reported that SVP, CHRO Scott Leff had common shares withheld to satisfy tax withholding obligations on vested restricted stock units. These withholdings are treated as dispositions of securities under Section 16, rather than open-market purchases or sales.

How many Dorman Products (DORM) shares were withheld for Scott Leff’s taxes?

The company disclosed that 235 common shares were withheld on March 3, 2026, and 539 common shares were withheld on March 4, 2026. Both transactions were reported as tax-withholding dispositions related to the vesting of restricted stock units granted to Scott Leff.

At what prices were Dorman Products (DORM) shares withheld for Scott Leff?

The filing shows that 235 shares were withheld at a price of $116.22 per share on March 3, 2026. It also reports 539 shares withheld at a price of $116.16 per share on March 4, 2026, to cover Scott Leff’s tax obligations.

How many Dorman Products (DORM) shares does Scott Leff hold after these transactions?

After the March 4, 2026 tax-withholding disposition, Scott Leff directly held 17,770.2428 shares of Dorman Products common stock. This figure reflects his ownership following the withholding of shares used to satisfy his associated tax obligations on vested restricted stock units.

Were Scott Leff’s Dorman Products (DORM) transactions open-market sales or tax withholdings?

The transactions were tax-withholding dispositions, not open-market sales. Shares were withheld by Dorman Products upon the vesting of restricted stock units to cover Scott Leff’s tax liabilities, and this treatment is characterized as a disposition under Section 16 regulations.

What role does Scott Leff hold at Dorman Products (DORM) according to the Form 4?

Scott Leff is identified in the filing as an officer of Dorman Products, serving as Senior Vice President and Chief Human Resources Officer. The reported tax-withholding share dispositions relate to his compensation in the form of restricted stock units granted by the company.