[Form 4] Core Molding Technologies, Inc. Insider Trading Activity

Rhea-AI Filing Summary

David L. Duvall, who is listed as both Chief Executive Officer and a Director of Core Molding Technologies, Inc. (CMT), reported an open-market sale of company common stock on 09/09/2025. The Form 4 shows 50,000 shares sold (Transaction Code S) at a weighted-average price of $20.3241, with reported sale prices ranging from $19.2975 to $20.79. After the reported transactions, the filing states the reporting person beneficially owned 148,780 shares and the Form 4 was signed by an attorney-in-fact on 09/11/2025. The filer notes the weighted-average price reflects multiple transactions and offers to provide breakouts on request.

Positive

• Timely disclosure of insider sale via Form 4 filed and signed within two days of the transaction
• Transparent pricing detail including weighted-average price and disclosed range ($19.2975 to $20.79) with offer to provide breakdowns

Negative

• Insider disposition of 50,000 shares by the CEO/Director, reducing beneficial ownership to 148,780 shares
• Limited context in the filing regarding total outstanding shares or historical insider activity, preventing assessment of materiality

Insights

Securities Analyst

TL;DR: The CEO sold 50,000 shares in multiple transactions; disclosure is clear but context on total stake is missing.

The Form 4 documents an open-market disposition by David L. Duvall of 50,000 common shares at a weighted-average price of $20.3241, leaving 148,780 shares beneficially owned. This is a straightforward Section 16 disclosure reflecting insider selling; without information on total outstanding shares or historical insider activity, the market impact cannot be assessed from this filing alone. The notation on price ranges improves transparency.

Corporate Governance Expert

TL;DR: Timely, rule-compliant insider sale disclosure; governance implication depends on broader insider ownership trends.

The filing shows the CEO and director complied with Section 16 reporting by disclosing sales on 09/09/2025 and filing the Form 4 on 09/11/2025. The report includes an explanatory footnote covering multiple sale prices. From a governance perspective, a single reported sale is not inherently indicative of policy or control changes; additional filings or context would be required to evaluate governance implications.

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^*

DUVALL DAVID L.

(Last) (First) (Middle)

800 MANOR PARK DRIVE

(Street)

COLUMBUS OH 43228

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
CORE MOLDING TECHNOLOGIES INC [ CMT ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

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

3. Date of Earliest Transaction (Month/Day/Year)
09/09/2025

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)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/09/2025		S		50,000	D	$20.3241(1)	148,780	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. The price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from 19.2975 to 20.79, inclusive. The reporting person undertakes to provide to Core Molding Technologies, Inc. or the staff of the Securities Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this form 4.

Remarks:

	/s/ Alex J. Panda, as attorney-in-fact	09/11/2025
	** 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.

FAQ

What insider transaction did Core Molding Technologies (CMT) report on this Form 4?

The Form 4 reports that David L. Duvall sold 50,000 shares of CMT common stock on 09/09/2025 in multiple transactions.

At what price did the insider sell CMT shares?

The filing lists a weighted-average sale price of $20.3241, with individual sale prices reported in a range from $19.2975 to $20.79.

How many CMT shares does the reporting person own after the sale?

After the reported transactions the filing shows the reporting person beneficially owned 148,780 shares.

When was the Form 4 filed and who signed it?

The Form 4 is dated for the transaction on 09/09/2025 and was signed by an attorney-in-fact on 09/11/2025.

Does the Form 4 indicate these sales were part of a 10b5-1 plan?

The form includes the standard checkbox language, but does not indicate that the sale was made pursuant to a 10b5-1 plan in the disclosed fields.