Core Molding Technologies Inc operates in the engineered materials market as one operating segment as a molder of thermoplastic and thermoset structural products. It produces and sells molded products for varied markets, including medium and heavy-duty trucks, automobiles, power sports, construction and agriculture, building products, and other industrial markets. The processes include compression molding of sheet molding compound (SMC), resin transfer molding (RTM), liquid molding of dicyclopentadiene (DCPD), spray-up and hand-lay-up, direct long-fiber thermoplastics (D-LFT) and structural foam and structural web injection molding (SIM). It operates operates in Columbus, Ohio; Gaffney, South Carolina; Winona, Minnesota; Matamoros and Escobedo, Mexico; and Cobourg, Ontario, Canada.
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Open-market purchase | 1 | 275 | $6K |
| Open-market sale | 6 | 8,188 | $204K |
| Grant or award | 1 | 20,000 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
50 Form 4 filings on record, the earliest from Nov 27, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Alex Joseph Panda - Officer | Open-market purchase | Common Stock | 200 | $19.10 | $4K | |
| Thomas R. Cellitti - Director | Open-market sale | Common Stock | 6,897 | $18.89 | $130K | |
| Thomas R. Cellitti - Director | Open-market sale | Common Stock | 3,103 | $18.64 | $58K | |
| Alex Joseph Panda - Officer | Open-market purchase | Common Stock | 200 | $19.15 | $4K | |
| Alex Joseph Panda - Officer | Open-market purchase | Common Stock | 200 | $17.90 | $4K | |
| Alex Joseph Panda - Officer | Open-market purchase | Common Stock | 141 | $17.50 | $2K | |
| Alex Joseph Panda - Officer | Open-market purchase | Common Stock | 59 | $17.98 | $1K | |
| Alex Joseph Panda - Officer | Open-market purchase | Common Stock | 200 | $17.33 | $3K | |
| Alex Joseph Panda - Officer | Open-market purchase | Common Stock | 200 | $17.06 | $3K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 24 | $16.60 | $398 | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 8,400 | $16.56 | $139K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 1,000 | $16.49 | $16K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 4,046 | $16.50 | $67K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 4,260 | $16.16 | $69K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 2,000 | $16.43 | $33K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 9,970 | $16.07 | $160K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 9,000 | $16.02 | $144K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 11,300 | $16.02 | $181K | |
| John P. Zimmer - Officer | Tax withholding / forfeiture | Common Stock | 3,859 | $15.67 | $60K | |
| Eric Palomaki - Officer | Tax withholding / forfeiture | Common Stock | 3,723 | $15.67 | $58K | |
| David L. Duvall - Officer | Tax withholding / forfeiture | Common Stock | 9,685 | $15.64 | $151K | |
| John P. Zimmer - Officer | Tax withholding / forfeiture | Common Stock | 1,927 | $13.63 | $26K | |
| John P. Zimmer - Officer | Tax withholding / forfeiture | Common Stock | 2,818 | $13.52 | $38K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 14,171 | $16.54 | $234K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 4,500 | $16.47 | $74K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 1,000 | $16.15 | $16K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 1,000 | $16.05 | $16K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 13,919 | $16.18 | $225K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 1,000 | $16.47 | $16K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 2,000 | $16.55 | $33K | |
| David L. Duvall - Officer | Open-market sale | Common Stock | 10,950 | $16.37 | $179K | |
| John P. Zimmer - Officer | Open-market sale | Common Stock | 7,600 | $17.78 | $135K | |
| John P. Zimmer - Officer | Open-market sale | Common Stock | 10,000 | $17.75 | $178K | |
| John P. Zimmer - Officer | Open-market sale | Common Stock | 2,100 | $17.64 | $37K |
This is as far as the anonymous view goes. Create a free account for all 50 CMT filings on record.
A Form 144 is notice of an INTENDED sale, not a completed one. It often precedes the Form 4 that reports the trade actually happening.
| Filed | Filer | Relationship | Shares | Market value | Notice |
|---|---|---|---|---|---|
| HELLMOLD RALPH O | Director | 4,268 | $110K | View on EDGAR | |
| - | - | - | - | View on EDGAR |
CORE MOLDING TECHNOLOGIES INC (CMT) had 5 insider filings in the last 90 days, with the most recent on 2026-08-10. The full record for CMT runs to 50 Form 4 filings, the earliest from 2024-11-27. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
1 insider purchase of CMT was filed in the last 90 days, totaling $6K.
6 insider sales of CMT were filed in the last 90 days, totaling $204K.
This page tracks CMT Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
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Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
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