Dorman director reports tax withholding shares

Dorman Products, Inc. director Lisa M. Bachmann reported a small tax-related share disposition tied to vested equity.

Rhea-AI Filing Summary

Dorman Products, Inc. director Lisa M. Bachmann reported a small tax-related share disposition tied to vested equity. On the vesting of restricted stock units, 33 shares of common stock were withheld by the company at $116.16 per share to cover her tax obligations, leaving her with 6,864 directly held shares.

Insider Trade Summary

Exercise Price or Tax Liability: 33 shares

Exercise Price or Tax Liability 1 txn

Insider Bachmann Lisa M

Role Director

Type	Security	Shares	Price	Value
Exercise Price or Tax Liability	Common Stock	33	$116.16	$4K

Holdings After Transaction: Common Stock — 6,864 shares (Direct)

Footnotes (1)

1. F1. 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.

Key Figures

Shares withheld for taxes: 33 shares Withholding price per share: $116.16 per share Shares held after transaction: 6,864 shares

3 metrics

Shares withheld for taxes 33 shares Withheld upon RSU vesting to satisfy tax obligations

Withholding price per share $116.16 per share Value used for 33 withheld common shares

Shares held after transaction 6,864 shares Direct common stock holdings after tax-withholding disposition

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.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Dorman Products (DORM) director Lisa Bachmann report on this Form 4?

Lisa M. Bachmann reported a small share disposition related to tax withholding. When her restricted stock units vested, 33 common shares were withheld by Dorman Products at $116.16 per share to satisfy tax obligations, as required under Section 16 reporting rules.

Was Lisa Bachmann’s Form 4 transaction in DORM an open-market sale?

No, the Form 4 describes tax-withholding, not an open-market sale. Dorman Products withheld 33 vested shares to cover Lisa Bachmann’s tax obligations, and this mandatory withholding is treated as a disposition under Section 16 but does not reflect a discretionary sale decision.

How many Dorman Products shares were withheld for Lisa Bachmann’s taxes?

The filing shows that 33 shares of Dorman Products common stock were withheld. These shares were taken upon vesting of restricted stock units and valued at $116.16 per share to satisfy Lisa Bachmann’s tax withholding obligations under applicable regulations.

How many Dorman Products (DORM) shares does Lisa Bachmann hold after this Form 4 event?

After the tax-withholding disposition, Lisa Bachmann directly holds 6,864 shares of Dorman Products common stock. This figure reflects her position following the withholding of 33 vested shares used to cover tax obligations tied to restricted stock unit vesting.

What does the tax-withholding disposition mean for DORM investors?

The disposition reflects routine tax withholding on equity compensation rather than a strategic sale. Dorman Products withheld 33 shares from Lisa Bachmann’s vested restricted stock units, a standard mechanism to pay taxes and a relatively small change versus her 6,864-share post-event holding.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/19/2026 - 04:02 PM Learn about SEC filing dates

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^*

Bachmann Lisa M

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/15/2026

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	05/15/2026		F		33(1)	D	$116.16	6,864	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 equity 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	05/18/2026
	** 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)