Director Steven Berman’s tax-withheld Dorman (DORM) shares detailed in Form 4

Rhea-AI Filing Summary

Dorman Products director Steven L. Berman reported a small tax-related share disposition. On March 2, 2026, 55 shares of common stock were withheld at $115.93 per share to satisfy tax withholding obligations upon vesting of restricted stock units, which is treated as a disposition under Section 16.

After this, he held 760,443 shares directly. A trust for his grandchildren held 100,000 shares, for which he disclaims beneficial ownership, and his 401(k) units represented 24,429 shares of common stock as of March 2, 2026.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider BERMAN STEVEN L

Role Director

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	55	$115.93	$6K
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 760,443 shares (Direct); Common Stock — 100,000 shares (Indirect, By trust)

Footnotes (1)

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. These shares are held in trust for the benefit of the reporting person's grandchildren. The reporting person's spouse is a co-trustee of the trust. The reporting person disclaims beneficial ownership of the shares held by such trust, and this report should not be deemed an admission that the reporting person is the beneficial owner of the trust's shares for purposes of Section 16 or for any other purpose. The shares are represented by units held in a unitized stock fund through the Issuer's 401(k) Retirement Plan and Trust. The unitized stock fund of the Issuer's 401(k) Retirement Plan and Trust consists of cash and common stock in amounts that vary from time to time. As of March 2, 2026, the reporting person had 16,341 units in the Issuer's 401(k) Retirement Plan and Trust, which units consisted of 24,429 shares of common stock.

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
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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^*

BERMAN STEVEN L

(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)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
03/02/2026

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	03/02/2026		F		55(1)	D	$115.93	760,443	D
Common Stock								100,000	I	By trust(2)
Common Stock								24,429	I	By 401(k)(3)

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.

2. These shares are held in trust for the benefit of the reporting person's grandchildren. The reporting person's spouse is a co-trustee of the trust. The reporting person disclaims beneficial ownership of the shares held by such trust, and this report should not be deemed an admission that the reporting person is the beneficial owner of the trust's shares for purposes of Section 16 or for any other purpose.

3. The shares are represented by units held in a unitized stock fund through the Issuer's 401(k) Retirement Plan and Trust. The unitized stock fund of the Issuer's 401(k) Retirement Plan and Trust consists of cash and common stock in amounts that vary from time to time. As of March 2, 2026, the reporting person had 16,341 units in the Issuer's 401(k) Retirement Plan and Trust, which units consisted of 24,429 shares of common stock.

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	03/04/2026
	** 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 transaction did Dorman Products (DORM) disclose for Steven L. Berman?

Dorman Products reported that director Steven L. Berman had 55 common shares withheld on March 2, 2026 to cover tax obligations upon vesting of restricted stock units. This tax-withholding event is treated as a disposition under Section 16 but is not an open-market sale.

At what price were the Dorman Products (DORM) shares withheld for Steven L. Berman’s taxes?

The 55 Dorman Products common shares were valued at approximately $115.93 per share when withheld on March 2, 2026. This valuation applied to shares used solely to satisfy tax withholding tied to vesting restricted stock units, rather than a discretionary market trade.

How many Dorman Products (DORM) shares does Steven L. Berman hold directly after this Form 4?

Following the tax-withholding disposition of 55 shares, Steven L. Berman directly held 760,443 Dorman Products common shares. This direct holding figure reflects his position after the restricted stock units vested and the issuer withheld shares to cover related tax obligations.

What Dorman Products (DORM) shares are held through a trust related to Steven L. Berman?

A trust for the benefit of Steven L. Berman’s grandchildren held 100,000 Dorman Products shares. His spouse is a co‑trustee, and Berman disclaims beneficial ownership of these shares, stating the report should not be deemed an admission of beneficial ownership for any purpose.

How many Dorman Products (DORM) shares are tied to Steven L. Berman’s 401(k) plan?

As of March 2, 2026, Steven L. Berman held 16,341 units in Dorman Products’ 401(k) Retirement Plan stock fund, representing 24,429 common shares. The unitized fund combines cash and stock, so the exact share count associated with his units may vary over time.

Was Steven L. Berman’s Dorman Products (DORM) Form 4 a market sale of shares?

No, the Form 4 shows a tax-withholding disposition of 55 shares when restricted stock units vested, not an open-market sale. The issuer withheld shares to satisfy tax obligations, which is classified as a disposition under Section 16 rules rather than a discretionary trade.