DORM insider sales: CFO reports three tranches with price ranges

Q: What did DORM disclose in this Form 4?

The SVP and CFO reported three sales of Dorman Products common stock on 10/31/2025 , coded as S (sale).

Q: How many DORM shares were sold in each trade?

The officer sold 3,120 shares, 6,515 shares, and 2,858 shares in three separate transactions.

Q: What were the reported prices for the DORM sales?

Weighted average prices were $134.1413 , $135.4151 , and $136.3292 .

Q: What were the execution price ranges for the sales?

Footnotes list ranges of $134.01–$134.38 , $135.03–$135.97 , and $136.01–$136.90 for the respective tranches.

Q: How many DORM shares does the officer hold after the transactions?

Direct beneficial ownership was 5,638.6363 shares following the reported sales.

Q: What is the insider’s role at Dorman Products (DORM)?

The reporting person is an Officer , serving as SVP and CFO .

Filing Impact

(Very High)

Filing Sentiment

(Negative)

Form Type

Rhea-AI Filing Summary

Dorman Products (DORM) reported insider transactions by its SVP and CFO on 10/31/2025. The officer sold common stock in three trades: 3,120 shares at a weighted average price of $134.1413, 6,515 shares at $135.4151, and 2,858 shares at $136.3292. Footnotes state each tranche comprised multiple executions within disclosed price ranges. Following these sales, the officer directly beneficially owned 5,638.6363 shares.

Insider Trade Summary

Net Seller: 12,493 shares ($1,690,379)

Net Sell 3 txns

Insider Hession David

Role SVP and CFO

Sold 12,493 shs ($1.69M)

Type	Security	Shares	Price	Value
Sale	Common Stock	3,120	$134.1413	$419K
Sale	Common Stock	6,515	$135.4151	$882K
Sale	Common Stock	2,858	$136.3292	$390K

Holdings After Transaction: Common Stock — 15,011.636 shares (Direct)

Footnotes (1)

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.01 through $134.38. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.03 through $135.97. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.01 through $136.90. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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Form 4 Insider Transactions: What Each Field Means →

Accepted by SEC EDGAR 11/03/2025 - 04:22 PM

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^*

Hession David

(Last)

(First)

(Middle)

C/O DORMAN PRODUCTS, INC.

3400 WALNUT STREET

(Street)

COLMAR

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 and CFO

3. Date of Earliest Transaction (Month/Day/Year)
10/31/2025

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	10/31/2025		S		3,120	D	$134.1413⁽¹⁾	15,011.6363	D
Common Stock	10/31/2025		S		6,515	D	$135.4151⁽²⁾	8,496.6363	D
Common Stock	10/31/2025		S		2,858	D	$136.3292⁽³⁾	5,638.6363	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

Explanation of Responses:

1. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $134.01 through $134.38. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $135.03 through $135.97. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $136.01 through $136.90. The reporting person undertakes to provide to Dorman Products, Inc., any security holder of Dorman Products, Inc. or the Staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote.

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	11/03/2025
	** 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.

Source: View Original Filing on SEC EDGAR

FAQ

What did DORM disclose in this Form 4?

The SVP and CFO reported three sales of Dorman Products common stock on 10/31/2025, coded as S (sale).

How many DORM shares were sold in each trade?

The officer sold 3,120 shares, 6,515 shares, and 2,858 shares in three separate transactions.

What were the reported prices for the DORM sales?

Weighted average prices were $134.1413, $135.4151, and $136.3292.

What were the execution price ranges for the sales?

Footnotes list ranges of $134.01–$134.38, $135.03–$135.97, and $136.01–$136.90 for the respective tranches.

How many DORM shares does the officer hold after the transactions?

Direct beneficial ownership was 5,638.6363 shares following the reported sales.

What is the insider’s role at Dorman Products (DORM)?

The reporting person is an Officer, serving as SVP and CFO.