CMT insider filing: CEO David Duvall trims stake, holds 198,780 shares

Rhea-AI Filing Summary

Core Molding Technologies, Inc. (CMT) – Form 4 filing

CEO and Director David L. Duvall reported a single open-market sale of 4,046 common shares on 20 Jun 2025 at a stated price of $16.50 per share (transaction code “S”). After the transaction, the insider directly owns 198,780 shares. No acquisitions, derivative security activity, or additional transactions were disclosed in this filing. The Form 4 was signed by attorney-in-fact Alex J. Panda on 24 Jun 2025.

The filing contains no reference to a Rule 10b5-1 trading plan and provides no commentary on company fundamentals; it strictly records the reported insider sale.

Positive

• CEO retains a sizeable direct stake of 198,780 shares, indicating continued alignment with shareholders.

Negative

• CEO David L. Duvall sold 4,046 shares at $16.50, the only transaction disclosed.
• No insider purchases or derivative acquisitions were reported, offering no counter-balancing positive signal.

Insights

Securities Analyst

TL;DR: Routine CEO sale of 4,046 CMT shares; limited immediate impact on investment outlook.

The filing documents a modest disposition by CEO David L. Duvall, amounting to roughly a few thousand shares at $16.50 each. While insider sales can sometimes signal reduced confidence, the magnitude here is small relative to the 198,780 shares the executive still holds. No derivative transactions or multiple insiders are involved, and there is no indication of a structured 10b5-1 plan. Given the absence of other material information, this looks like a routine portfolio move rather than a strategic shift. Market impact should be minimal unless followed by additional sales.

Insider Trade Summary

Net Seller: 4,046 shares ($66,759)

Net Sell 1 txn

Insider DUVALL DAVID L.

Role Chief Executive Officer

Sold 4,046 shs ($67K)

Type	Security	Shares	Price	Value
Sale	Common Stock	4,046	$16.50	$67K

Holdings After Transaction: Common Stock — 198,780 shares (Direct)

Footnotes (1)

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^*

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)
06/20/2025

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	06/20/2025		S		4,046	D	$16.5	198,780	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:

Remarks:

	/s/ Alex J. Panda, as attorney-in-fact	06/24/2025
	** 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

How many Core Molding Technologies (CMT) shares did the CEO sell?

The Form 4 shows a sale of 4,046 common shares.

At what price were the CMT shares sold?

The reported sale price is $16.50 per share.

What is the CEO’s remaining ownership after the sale?

David L. Duvall now directly holds 198,780 CMT shares.

Was the transaction executed under a Rule 10b5-1 plan?

The filing does not indicate that the sale was made pursuant to a Rule 10b5-1 trading plan.

Were any derivative securities involved in this Form 4?

No; the filing reports only common stock and shows no derivative security activity.