Quick Takeaways
- CMT - CORE MOLDING TECHNOLOGIES INC has 17 insiders with reported activity on this page.
- Net insider value flow over the last year: -$2,093,804.
- Recent transaction rows are available for direct filing-level review.
- Info
- Insider Trading
- Financials
- Holders
Insider Transactions Reported by 17 Insiders of CORE MOLDING TECHNOLOGIES INC
- Symbol
- CMT on NYSE
- Location
- Columbus, OH
What Changed
- Buy value: $39,712; sell value: $2,133,516.
- Net share flow: -113,920.
Why This Matters
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Official SEC Source
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$2,093,804.
Buys
$39,712
Shares: 2,100
Insiders: 3
Sells
$2,133,516
Shares: 116,020
Insiders: 3
Net
-$2,093,804
Shares: -113,920
Insiders: 0
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 900 | 0 | $18,080 | $0 | +$18,080 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 1,200 | 66,020 | $21,632 | $1,323,711 | -$1,302,079 |
| 9-12 | 0 | 50,000 | $0 | $809,805 | -$809,805 |
CORE MOLDING TECHNOLOGIES INC executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Eric Palomaki | Chief Operating Officer | $3,243,288 | +$8,020 | +0.25% | Mixed | 27 Mar 2026 |
| David L. Duvall | Chief Executive Officer, Director | $2,746,649 | -$1,826,010 | -40% | Mixed | 27 Mar 2026 |
| Thomas R. Cellitti | Director | $2,034,607 | -$188,095 | -8.5% | Mixed | 11 Mar 2026 |
| Smith Andrew O | Director | $2,007,418 | Mixed | 11 Mar 2026 | ||
| James F. Crowley | Director | $1,529,173 | Mixed | 15 Jun 2023 | ||
| John P. Zimmer | EVP, Treasurer, Secretary, CFO | $1,366,849 | Mixed | 12 May 2025 | ||
| James C. Highfield | EVP, Sales and Marketing | $1,283,359 | Mixed | 17 May 2023 | ||
| Matthew Jauchius | Director | $1,116,067 | -$119,411 | -9.7% | Mixed | 11 Mar 2026 |
| Alex Joseph Panda | EVP, Treasurer, Secretary, CFO | $888,515 | +$21,632 | +2.5% | Mixed | 27 Mar 2026 |
| Hellmold Ralph O | Director | $751,225 | Mixed | 11 Mar 2026 | ||
| Renee R. Anderson | EVP, Human Resources | $703,730 | Filing P/S | 16 Sep 2024 | ||
| Sandra Lee Kowaleski | Director | $697,562 | Mixed | 11 Mar 2026 | ||
| Arnold Alanis | EVP of Operations | $509,490 | Mixed | 27 Mar 2026 | ||
| Michael James Gayford | EVP of Operations | $391,035 | +$10,060 | +2.6% | Mixed | 27 Mar 2026 |
| Stephanie Pulliam | EVP, Human Resources | $367,576 | Mixed | 27 Mar 2026 | ||
| Salvador Minarro | Director | $287,112 | Mixed | 11 Mar 2026 | ||
| Alexander Bantz | Chief Commercial Officer | $270,614 | Mixed | 11 Mar 2026 |
Top shareholders of CORE MOLDING TECHNOLOGIES INC (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
5.7%
|
503,285
|
$10,090,864 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
5.5%
|
481,718
|
$9,658,445 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
5.3%
|
464,720
|
$9,317,636 | — | 31 Dec 2025 | |
| Tieton Capital Management, LLC |
13D/G
13F
|
Company |
5%
|
440,928
|
$9,061,070 | $0 | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
4.4%
|
388,285
|
$7,785,225 | — | 31 Dec 2025 | |
| GAMCO INVESTORS, INC. ET AL |
13F
|
Company |
4.3%
|
376,500
|
$7,548,825 | — | 31 Dec 2025 | |
| GABELLI FUNDS LLC |
13F
|
Company |
3.5%
|
306,500
|
$6,145,325 | — | 31 Dec 2025 | |
| NEEDHAM INVESTMENT MANAGEMENT LLC |
13F
|
Company |
2.9%
|
253,350
|
$5,079,668 | — | 31 Dec 2025 | |
| ROYCE & ASSOCIATES LP |
13F
|
Company |
2.7%
|
235,985
|
$4,731,499 | — | 31 Dec 2025 | |
| 22NW, LP |
13F
|
Company |
2.5%
|
222,738
|
$4,465,897 | — | 31 Dec 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
2.5%
|
219,466
|
$4,400,293 | — | 31 Dec 2025 | |
| DIAMOND HILL CAPITAL MANAGEMENT INC |
13F
|
Company |
2.2%
|
198,163
|
$3,973,168 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2%
|
179,047
|
$3,590,287 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.8%
|
162,469
|
$3,257,503 | — | 31 Dec 2025 | |
| Eric Palomaki |
3/4/5
|
Chief Operating Officer |
1.8%
|
161,760
|
$3,243,288 | +$8,020 | 27 Mar 2026 | |
| BARD ASSOCIATES INC |
13F
|
Company |
1.7%
|
145,515
|
$2,917,576 | — | 31 Dec 2025 | |
| Pacific Ridge Capital Partners, LLC |
13F
|
Company |
1.6%
|
144,951
|
$2,906,268 | — | 31 Dec 2025 | |
| David L. Duvall |
3/4/5
|
Chief Executive Officer, Director |
1.6%
|
136,990
|
$2,746,649 | -$1,826,010 | 27 Mar 2026 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
1.4%
|
125,761
|
$2,521,508 | — | 31 Dec 2025 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC |
13F
|
Company |
1.2%
|
107,484
|
$2,155,054 | — | 31 Dec 2025 | |
| SEI INVESTMENTS CO |
13F
|
Company |
1.2%
|
106,075
|
$2,126,804 | — | 31 Dec 2025 | |
| Thomas R. Cellitti |
3/4/5
|
Director |
1.2%
|
102,293
|
$2,034,607 | -$188,095 | 11 Mar 2026 | |
| Smith Andrew O |
3/4/5
|
Director |
1.1%
|
100,926
|
$2,007,418 | — | 11 Mar 2026 | |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC |
13F
|
Company |
1.1%
|
94,713
|
$1,898,996 | — | 31 Dec 2025 | |
| James F. Crowley |
3/4/5
|
Director |
—
class O/S missing
|
54,140
|
$1,529,173 | — | 15 Jun 2023 | |
| Teton Advisors, LLC |
13F
|
Company |
0.81%
|
71,190
|
$1,427,360 | — | 31 Dec 2025 | |
| John P. Zimmer |
3/4/5
|
EVP, Treasurer, Secretary, CFO |
0.99%
|
87,255
|
$1,366,849 | — | 12 May 2025 | |
| James C. Highfield |
3/4/5
|
EVP, Sales and Marketing |
—
class O/S missing
|
45,437
|
$1,283,359 | — | 17 May 2023 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.7%
|
61,334
|
$1,229,747 | — | 31 Dec 2025 | |
| RITHOLTZ WEALTH MANAGEMENT |
13F
|
Company |
0.67%
|
59,525
|
$1,193,476 | — | 31 Dec 2025 | |
| MACKENZIE FINANCIAL CORP |
13F
|
Company |
0.67%
|
58,964
|
$1,186,376 | — | 31 Dec 2025 | |
| Matthew Jauchius |
3/4/5
|
Director |
0.64%
|
56,112
|
$1,116,067 | -$119,411 | 11 Mar 2026 | |
| LSV ASSET MANAGEMENT |
13F
|
Company |
0.56%
|
49,572
|
$994,000 | — | 31 Dec 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.55%
|
48,322
|
$968,856 | — | 31 Dec 2025 | |
| Alex Joseph Panda |
3/4/5
|
EVP, Treasurer, Secretary, CFO |
0.5%
|
44,315
|
$888,515 | +$21,632 | 27 Mar 2026 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
0.49%
|
43,035
|
$862,852 | — | 31 Dec 2025 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.49%
|
42,869
|
$859,523 | — | 31 Dec 2025 | |
| ACADIAN ASSET MANAGEMENT LLC |
13F
|
Company |
0.44%
|
39,181
|
$783,000 | — | 31 Dec 2025 | |
| Quantinno Capital Management LP |
13F
|
Company |
0.43%
|
37,969
|
$761,278 | — | 31 Dec 2025 | |
| Hellmold Ralph O |
3/4/5
|
Director |
0.43%
|
37,769
|
$751,225 | — | 11 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
0.41%
|
36,319
|
$728,205 | — | 31 Dec 2025 | |
| Renee R. Anderson |
3/4/5
|
EVP, Human Resources |
—
class O/S missing
|
38,792
|
$703,730 | — | 16 Sep 2024 | |
| Sandra Lee Kowaleski |
3/4/5
|
Director |
0.4%
|
35,071
|
$697,562 | — | 11 Mar 2026 | |
| ALERUS FINANCIAL NA |
13F
|
Company |
0.38%
|
33,887
|
$679,434 | — | 31 Dec 2025 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.31%
|
27,636
|
$554,102 | — | 31 Dec 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.31%
|
26,940
|
$540,151 | — | 31 Dec 2025 | |
| STRS OHIO |
13F
|
Company |
0.3%
|
26,600
|
$533,330 | — | 31 Dec 2025 | |
| Arnold Alanis |
3/4/5
|
EVP of Operations |
0.29%
|
25,411
|
$509,490 | — | 27 Mar 2026 | |
| WHITE PINE CAPITAL LLC |
13F
|
Company |
0.27%
|
24,194
|
$485,090 | — | 31 Dec 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.26%
|
22,777
|
$456,679 | — | 31 Dec 2025 |
Recent Insider Transactions by Companies or Individuals for CORE MOLDING TECHNOLOGIES INC
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Arnold Alanis | CMT | Common Stock | Tax liability | -4.03% | -1,067 | 25,411 | 27 Mar 2026 | Direct | ||
| Stephanie Pulliam | CMT | Common Stock | Tax liability | -4.24% | -812 | 18,333 | 27 Mar 2026 | Direct | ||
| Michael James Gayford | CMT | Common Stock | Tax liability | -10.1% | -2,189 | 19,503 | 27 Mar 2026 | Direct | ||
| Alex Joseph Panda | CMT | Common Stock | Tax liability | -3.71% | -1,707 | 44,315 | 27 Mar 2026 | Direct | ||
| Eric Palomaki | CMT | Common Stock | Tax liability | -4.23% | -7,139 | 161,760 | 27 Mar 2026 | Direct | ||
| David L. Duvall | CMT | Common Stock | Tax liability | -10.3% | -15,772 | 136,990 | 27 Mar 2026 | Direct | ||
| Eric Palomaki | CMT | Common Stock | Purchase | 0.24% | $8,020 | $20.05 | 400 | 168,899 | 20 Mar 2026 | Direct |
| Michael James Gayford | CMT | Common Stock | Purchase | 1.87% | $10,060 | $20.12 | 500 | 27,167 | 19 Mar 2026 | Direct |
| Alexander Bantz | CMT | Common Stock | Award | 25.7% | 5,400 | 26,394 | 11 Mar 2026 | Direct | ||
| Michael James Gayford | CMT | Common Stock | Award | 24% | 5,160 | 26,667 | 11 Mar 2026 | Direct | ||
| Arnold Alanis | CMT | Common Stock | Award | 20.2% | 5,243 | 31,149 | 11 Mar 2026 | Direct | ||
| Eric Palomaki | CMT | Common Stock | Award | 9.95% | 15,246 | 168,499 | 11 Mar 2026 | Direct | ||
| Alex Joseph Panda | CMT | Common Stock | Award | 16.7% | 6,595 | 46,022 | 11 Mar 2026 | Direct | ||
| Stephanie Pulliam | CMT | Common Stock | Award | 24.8% | 4,846 | 24,416 | 11 Mar 2026 | Direct | ||
| David L. Duvall | CMT | Common Stock | Award | 2.68% | 3,982 | 152,762 | 11 Mar 2026 | Direct | ||
| Sandra Lee Kowaleski | CMT | Common Stock | Award | 14.5% | 4,436 | 35,071 | 11 Mar 2026 | Direct | ||
| Matthew Jauchius | CMT | Common Stock | Award | 8.91% | 4,590 | 56,112 | 11 Mar 2026 | Direct | ||
| Salvador Minarro | CMT | Common Stock | Award | 40.8% | 4,179 | 14,435 | 11 Mar 2026 | Direct | ||
| Hellmold Ralph O | CMT | Common Stock | Award | 12.4% | 4,179 | 37,769 | 11 Mar 2026 | Direct | ||
| Smith Andrew O | CMT | Common Stock | Award | 4.6% | 4,436 | 100,926 | 11 Mar 2026 | Direct | ||
| Thomas R. Cellitti | CMT | Common Stock | Award | 6.37% | 6,128 | 102,293 | 11 Mar 2026 | Direct | ||
| Eric Palomaki | CMT | Common Stock | Award | 8.5% | 12,000 | 153,253 | 12 Jan 2026 | Direct | ||
| Alex Joseph Panda | CMT | Common Stock | Award | 18% | 6,000 | 39,427 | 12 Jan 2026 | Direct | ||
| David L. Duvall | CMT | Common Stock | Sale | -25.2% | $1,016,205 | $20.32 | -50,000 | 148,780 | 09 Sep 2025 | Direct |
| Matthew Jauchius | CMT | Common Stock | Sale | -10.5% | $119,411 | $19.84 | -6,020 | 51,522 | 08 Sep 2025 | Direct |
| Alex Joseph Panda | CMT | Common Stock | Purchase | 0.66% | $3,820 | $19.10 | 200 | 30,596 | 26 Aug 2025 | Direct |
| Thomas R. Cellitti | CMT | Common Stock | Sale | -3.13% | $57,843 | $18.64 | -3,103 | 96,165 | 26 Aug 2025 | Direct |
| Thomas R. Cellitti | CMT | Common Stock | Sale | -6.5% | $130,252 | $18.89 | -6,897 | 99,268 | 25 Aug 2025 | Direct |
| Alex Joseph Panda | CMT | Common Stock | Purchase | 0.66% | $3,829 | $19.14 | 200 | 30,396 | 25 Aug 2025 | Direct |
| Alex Joseph Panda | CMT | Common Stock | Purchase | 0.67% | $3,579 | $17.90 | 200 | 30,196 | 21 Aug 2025 | Direct |
| Alex Joseph Panda | CMT | Common Stock | Purchase | 0.2% | $1,061 | $17.98 | 59 | 29,996 | 19 Aug 2025 | Direct |
| Alex Joseph Panda | CMT | Common Stock | Purchase | 0.47% | $2,468 | $17.50 | 141 | 29,937 | 18 Aug 2025 | Direct |
| Alex Joseph Panda | CMT | Common Stock | Purchase | 0.68% | $3,465 | $17.33 | 200 | 29,796 | 13 Aug 2025 | Direct |
| Alex Joseph Panda | CMT | Common Stock | Purchase | 0.68% | $3,411 | $17.06 | 200 | 29,596 | 11 Aug 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -1.99% | $66,759 | $16.50 | -4,046 | 198,780 | 20 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -0.49% | $16,490 | $16.49 | -1,000 | 202,826 | 18 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -3.96% | $139,087 | $16.56 | -8,400 | 203,826 | 16 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -0.01% | $398 | $16.60 | -24 | 212,226 | 13 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -0.93% | $32,850 | $16.42 | -2,000 | 212,250 | 10 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -1.95% | $68,828 | $16.16 | -4,260 | 214,250 | 09 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -4.36% | $160,196 | $16.07 | -9,970 | 218,510 | 06 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -4.71% | $181,023 | $16.02 | -11,300 | 228,480 | 05 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Sale | -3.62% | $144,175 | $16.02 | -9,000 | 239,780 | 04 Jun 2025 | Direct |
| David L. Duvall | CMT | Common Stock | Tax liability | -3.75% | -9,685 | 248,780 | 12 May 2025 | Direct | ||
| John P. Zimmer | CMT | Common Stock | Tax liability | -4.24% | -3,859 | 87,255 | 12 May 2025 | Direct | ||
| Eric Palomaki | CMT | Common Stock | Tax liability | -2.57% | -3,723 | 141,253 | 12 May 2025 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.