Tax withholding trims Dorman (NASDAQ: DORM) president’s stake by 116 shares

Rhea-AI Filing Summary

Dorman Products, Inc. reported that President, Specialty Vehicle Kathleen Pacheco had 116 shares of common stock withheld on the vesting of restricted stock units to cover tax obligations. This tax withholding is treated as a disposition under Section 16 rules. After this event, she directly holds about 4,526.5305 shares of Dorman common stock.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Pacheco Kathleen

Role President, Specialty Vehicle

Type	Security	Shares	Price	Value
Tax Withholding	Common Stock	116	$125.83	$15K

Holdings After Transaction: Common Stock — 4,526.531 shares (Direct, null)

Footnotes (1)

1. [object Object]

Key Figures

Tax withholding shares: 116 shares Reported price per share: $125.83 per share Shares held after transaction: 4,526.5305 shares

3 metrics

Tax withholding shares 116 shares Common stock withheld to satisfy tax obligations on RSU vesting

Reported price per share $125.83 per share Value used for the 116 withheld shares on the Form 4

Shares held after transaction 4,526.5305 shares Direct Dorman common stock ownership after tax withholding

Key Terms

restricted stock units, tax withholding obligations, Section 16

3 terms

restricted stock units financial

"These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations."

Restricted stock units are a type of company reward where employees are promised shares of stock, but they only fully own these shares after meeting certain conditions, like staying with the company for a set time. They matter because they can become valuable assets and are often used to motivate employees to help the company succeed.

tax withholding obligations financial

"These shares were withheld by the Issuer upon the vesting of restricted stock units to satisfy the Reporting Person's tax withholding obligations."

Section 16 regulatory

"Such withholding is treated as a disposition of securities under Section 16 of the Securities Exchange Act of 1934, as amended."

Section 16 is a U.S. securities law rule that governs the trading and disclosure obligations of company insiders — typically officers, directors and large shareholders — to promote transparency and deter unfair profit-taking. It requires insiders to publicly report their stock trades and allows companies or the issuer to reclaim quick, short-term profits from certain insider trades, like a scoreboard and a refund policy that help investors see and limit possible insider advantage.

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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^*

Pacheco Kathleen

(Last) (First) (Middle)

C/O DORMAN PRODUCTS, INC.

3400 EAST WALNUT STREET

(Street)

COLMAR PENNSYLVANIA 18915

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/02/2026

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

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

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

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	06/02/2026		F		116(1)	D	$125.83	4,526.5305	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	06/03/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did Dorman (DORM) report for Kathleen Pacheco?

Dorman reported that executive Kathleen Pacheco had 116 shares of common stock withheld to cover taxes when restricted stock units vested. This is classified as a disposition under Section 16 but represents tax withholding, not an open-market sale of shares.

How many Dorman (DORM) shares were withheld for Kathleen Pacheco’s taxes?

A total of 116 Dorman common shares were withheld to satisfy Kathleen Pacheco’s tax obligations upon vesting of restricted stock units. The shares were valued at a transaction price of $125.83 per share according to the Form 4 disclosure.

What price per share was used for Kathleen Pacheco’s Dorman (DORM) tax withholding?

The tax withholding transaction for Kathleen Pacheco’s Dorman shares used a price of $125.83 per share. This price is applied solely for reporting the value of the 116 shares withheld under Section 16 rules, not as an open-market sale price.

How many Dorman (DORM) shares does Kathleen Pacheco hold after this Form 4 transaction?

Following the tax withholding transaction, Kathleen Pacheco directly holds approximately 4,526.5305 shares of Dorman common stock. This figure reflects her remaining direct ownership after 116 shares were withheld to cover tax obligations on vested restricted stock units.

Was Kathleen Pacheco’s Dorman (DORM) Form 4 a sale of shares on the market?

No, the Form 4 shows a tax-withholding disposition, not an open-market sale. The 116 shares were withheld by the company when restricted stock units vested to satisfy Pacheco’s tax liabilities, as explained in the filing footnote under Section 16 treatment.