CIK 0001489096
THR Thermon Group Holdings, Inc.
Insider trading from SEC Form 4. Last filing Jun 3, 2026.
Thermon Group Holdings, Inc. (THR) has 64 SEC Form 4 filings on file from 15 insiders, the latest filed on Jun 3, 2026. No insider bought or sold on the open market in the last 90 days; rows filed in that time are grants, exercises, tax withholding and other transactions that carry no view on the price.
3 open-market trades have been scored at THR. The newest: Thomas N Cerovski (SVP, Global Sales) bought $14k of stock on Feb 10, 2025, filed Feb 10, 2025, scored 15 (weak). The largest of the 3 shown: David Buntin (SVP, Thermon Heat Tracing) sold $905k on Dec 12, 2024, scored 34 (weak).
2 members of Congress have disclosed 5 trades in THR under the STOCK Act. 1 Form 144 notice of planned sales is on file, the latest filed Dec 12, 2024.
Last 90 days
Signals
Open-market buys and sells at Thermon Group Holdings, Inc., scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 15Weak | Thomas N Cerovski SVP, Global Sales buy | $14k 500 shares | +1% | - | |
| 34Weak | David Buntin SVP, Thermon Heat Tracing sell | $905k 28,137 shares | -34% | - | |
| 15Weak | Kuahara Roberto SVP, Operations sell | $9,411 300 shares | -1% | - |
Planned sales
Form 144 notices filed before a sale of restricted or control stock, newest first. The sale itself usually reaches a Form 4 within days. All planned sales
| Filed | Seller | Shares | Value | Sale date | Past 3 months |
|---|---|---|---|---|---|
| Dec 12, 2024 | Buntin David Officer | 28,137 0.08% of outstanding | $898k | Dec 12, 2024 | none |
Congressional trades
5 trades in THR disclosed by members of Congress under the STOCK Act. All congressional trades.
- Gilbert Ray Cisneros, Jr.House · D-CA · last Mar 9, 20262 bought
1 sold - Josh GottheimerHouse · D-NJ · last May 14, 20251 bought
1 sold
| Member | Trade | Asset | Reported range | Trade / filing date | Source |
|---|---|---|---|---|---|
Gilbert Ray Cisneros, Jr. House · D-CA | Partial sale | THR Thermon Group Holdings, Inc. Common Stock | $1,001 to $15k | Mar 2 / Mar 9 7 days after the trade | Clerk |
Gilbert Ray Cisneros, Jr. House · D-CA | Purchase | THR Thermon Group Holdings, Inc. Common Stock | $1,001 to $15k | Sep 5, 2025 / Oct 10, 2025 35 days after the trade | Clerk |
Gilbert Ray Cisneros, Jr. House · D-CA | Purchase | THR Thermon Group Holdings, Inc. Common Stock | $1,001 to $15k | Sep 22, 2025 / Oct 10, 2025 18 days after the trade | Clerk |
Josh Gottheimer House · D-NJ | Sale | THR Thermon Group Holdings, Inc. Common Stock | $1,001 to $15k | Apr 17, 2025 / May 14, 2025 27 days after the trade | Clerk |
Josh Gottheimer House · D-NJ | Purchase | THR Thermon Group Holdings, Inc. Common Stock | $1,001 to $15k | Dec 6, 2024 / Jan 14, 2025 39 days after the trade | Clerk |
Transactions
The newest 50 of 100 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 1, 2026 | John U Clarke director | DDisposition to issuer Common Stock | -41,570 | - | - | 0 | Jun 3, 2026 |
| Jun 1, 2026 | Roger L Fix director | DDisposition to issuer Common Stock | -35,375 | - | - | 0 | Jun 3, 2026 |
| Jun 1, 2026 | Thomas N Cerovski SVP, Chief Operating Officer | AGrant or award Common Stock | +20,941 | - | - | 84,079 | Jun 3, 2026 |
| Jun 1, 2026 | Linda Dalgetty director | DDisposition to issuer Common Stock | -34,584 | - | - | 0 | Jun 3, 2026 |
| Jun 1, 2026 | David Buntin SVP, Products & Technology | AGrant or award Common Stock | +19,386 | - | - | 99,767 | Jun 3, 2026 |
| Jun 1, 2026 | Thomas N Cerovski SVP, Chief Operating Officer | DDisposition to issuer Common Stock | -84,079 | - | - | 0 | Jun 3, 2026 |
| Jun 1, 2026 | David Buntin SVP, Products & Technology | DDisposition to issuer Common Stock | -99,767 | - | - | 0 | Jun 3, 2026 |
| May 12, 2026 | David Buntin SVP, Thermon Heat Tracing | AGrant or award Common Stock | +5,397 | $0.00 | $0 | 73,701 | May 14, 2026 |
| May 12, 2026 | Thomas N Cerovski SVP, Global Sales | AGrant or award Common Stock | +5,397 | $0.00 | $0 | 59,454 | May 14, 2026 |
| May 12, 2026 | David Buntin SVP, Thermon Heat Tracing | AGrant or award Common Stock | +4,050 | $0.00 | $0 | 77,751 | May 14, 2026 |
| May 12, 2026 | Thomas N Cerovski SVP, Global Sales | AGrant or award Common Stock | +4,050 | $0.00 | $0 | 63,504 | May 14, 2026 |
| May 12, 2026 | David Buntin SVP, Thermon Heat Tracing | AGrant or award Common Stock | +6,183 | $0.00 | $0 | 83,934 | May 14, 2026 |
| May 12, 2026 | Thomas N Cerovski SVP, Global Sales | AGrant or award Common Stock | +6,956 | $0.00 | $0 | 70,460 | May 14, 2026 |
| May 12, 2026 | David Buntin SVP, Thermon Heat Tracing | FTax withholding Common Stock | -3,553 | $64.69 | $230k | 80,381 | May 14, 2026 |
| May 12, 2026 | Thomas N Cerovski SVP, Global Sales | FTax withholding Common Stock | -7,322 | $64.69 | $474k | 63,138 | May 14, 2026 |
| Apr 1, 2026 | John U Clarke director | AGrant or award Common Stock | +531 | $51.78 | $27k | 41,570 | Apr 2, 2026 |
| Apr 1, 2026 | Linda Dalgetty director | AGrant or award Common Stock | +531 | $51.78 | $27k | 34,584 | Apr 2, 2026 |
| Apr 1, 2026 | Roger L Fix director | AGrant or award Common Stock | +531 | $51.78 | $27k | 35,375 | Apr 2, 2026 |
| Jan 31, 2026 | Kuahara Roberto SVP, Operations | FTax withholding Common Stock | -3,986 | $45.25 | $180k | 33,050 | Feb 3, 2026 |
| Jan 1, 2026 | John U Clarke director | AGrant or award Common Stock | +740 | $37.16 | $27k | 41,039 | Jan 5, 2026 |
| Jan 1, 2026 | Linda Dalgetty director | AGrant or award Common Stock | +740 | $37.16 | $27k | 34,053 | Jan 5, 2026 |
| Jan 1, 2026 | Roger L Fix director | AGrant or award Common Stock | +740 | $37.16 | $27k | 34,844 | Jan 5, 2026 |
| Jan 1, 2026 | Angela Strzelecki director | AGrant or award Common Stock | +740 | $37.16 | $27k | 13,112 | Jan 5, 2026 |
| Jan 1, 2026 | Marcus J George director | AGrant or award Common Stock | +740 | $37.16 | $27k | 52,108 | Jan 5, 2026 |
| Jan 1, 2026 | Victor L Richey Jr director | AGrant or award Common Stock | +740 | $37.16 | $27k | 7,521 | Jan 5, 2026 |
| Nov 12, 2025 | Bruce Thames President & CEO | GGift Common Stock | -1,440 | $35.58 | $51k | 360,483 | Nov 13, 2025 |
| Nov 12, 2025 | David Buntin SVP, Thermon Heat Tracing | GGift Common Stock | -1,419 | $35.58 | $50k | 68,304 | Nov 13, 2025 |
| Nov 1, 2025 | Jan L Schott SVP, CFO | FTax withholding Common Stock | -1,382 | $28.73 | $40k | 21,728 | Nov 3, 2025 |
| Oct 1, 2025 | Marcus J George director | AGrant or award Common Stock | +1,008 | $27.28 | $27k | 51,368 | Oct 2, 2025 |
| Oct 1, 2025 | Victor L Richey Jr director | AGrant or award Common Stock | +1,008 | $27.28 | $27k | 6,781 | Oct 2, 2025 |
| Oct 1, 2025 | Angela Strzelecki director | AGrant or award Common Stock | +1,008 | $27.28 | $27k | 12,372 | Oct 2, 2025 |
| Oct 1, 2025 | John U Clarke director | AGrant or award Common Stock | +1,008 | $27.28 | $27k | 40,299 | Oct 2, 2025 |
| Oct 1, 2025 | Linda Dalgetty director | AGrant or award Common Stock | +1,008 | $27.28 | $27k | 33,313 | Oct 2, 2025 |
| Oct 1, 2025 | Roger L Fix director | AGrant or award Common Stock | +1,008 | $27.28 | $27k | 34,104 | Oct 2, 2025 |
| Jul 1, 2025 | John U Clarke director | AGrant or award Common Stock | +830 | $28.61 | $24k | 39,291 | Jul 2, 2025 |
| Jul 1, 2025 | Linda Dalgetty director | AGrant or award Common Stock | +830 | $28.61 | $24k | 32,305 | Jul 2, 2025 |
| Jul 1, 2025 | Roger L Fix director | AGrant or award Common Stock | +830 | $28.61 | $24k | 33,096 | Jul 2, 2025 |
| Jul 1, 2025 | Marcus J George director | AGrant or award Common Stock | +830 | $28.61 | $24k | 50,360 | Jul 2, 2025 |
| Jul 1, 2025 | Victor L Richey Jr director | AGrant or award Common Stock | +830 | $28.61 | $24k | 5,773 | Jul 2, 2025 |
| Jul 1, 2025 | Angela Strzelecki director | AGrant or award Common Stock | +830 | $28.61 | $24k | 11,364 | Jul 2, 2025 |
| Jun 1, 2025 | Thomas Gregory Lucas VP, CAO | AGrant or award Common Stock | +2,023 | $0.00 | $0 | 9,412 | Jun 16, 2025 |
| Jun 1, 2025 | Thomas Gregory Lucas VP, CAO | FTax withholding Common Stock | -787 | $25.94 | $20k | 8,625 | Jun 16, 2025 |
| Jun 1, 2025 | David Buntin SVP, Thermon Heat Tracing | AGrant or award Common Stock | +5,397 | $0.00 | $0 | 71,928 | Jun 3, 2025 |
| Jun 1, 2025 | Thomas N Cerovski SVP, Global Sales | AGrant or award Common Stock | +6,071 | $0.00 | $0 | 56,262 | Jun 3, 2025 |
| Jun 1, 2025 | Candace Harris-Peterson VP, Human Resources | AGrant or award Common Stock | +3,373 | $0.00 | $0 | 32,377 | Jun 3, 2025 |
| Jun 1, 2025 | Thomas Gregory Lucas VP, Corporate Controller | AGrant or award Common Stock | +1,349 | $0.00 | $0 | 8,738 | Jun 3, 2025 |
| Jun 1, 2025 | Bruce Thames President & CEO | AGrant or award Common Stock | +20,913 | $0.00 | $0 | 370,190 | Jun 3, 2025 |
| Jun 1, 2025 | Jan L Schott SVP, CFO | AGrant or award Common Stock | +6,071 | $0.00 | $0 | 23,110 | Jun 3, 2025 |
| Jun 1, 2025 | Tarkington Ryan SVP, General Counsel | AGrant or award Common Stock | +4,047 | $0.00 | $0 | 44,486 | Jun 3, 2025 |
| Jun 1, 2025 | Mark John Roberts SVP, Global Engineering | FTax withholding Common Stock | -1,278 | $25.94 | $33k | 62,179 | Jun 3, 2025 |
Insiders
Everyone who has filed a Form 4 here.
- David BuntinSVP, Products & Technology
- John U Clarkedirector
- Thomas N CerovskiSVP, Chief Operating Officer
- Linda Dalgettydirector
- Roger L Fixdirector
- Marcus J Georgedirector
- Candace Harris-PetersonVP, Human Resources
- Thomas Gregory LucasVP, CAO
- Victor L Richey Jrdirector
- Kuahara RobertoSVP, Operations
- Mark John RobertsSVP, Global Engineering
- Tarkington RyanSVP, General Counsel
- Jan L SchottSVP, CFO
- Angela Strzeleckipresident, officer, director
- Bruce ThamesPresident & CEO
Questions about THR
Answered from the filings on this page, as of the latest one.
Are insiders buying THR?
No. In the last 90 days no insider at Thermon Group Holdings, Inc. bought or sold shares on the open market according to SEC Form 4 filings. The rows on file from that period are grants, exercises, tax withholding or other transactions, which carry no view on the price.
Who was the last insider to trade THR on the open market?
Thomas N Cerovski (SVP, Global Sales) bought $14k of THR on Feb 10, 2025 and filed the Form 4 on Feb 10, 2025. InsiderTell scored 15 (weak).
How many insiders file Form 4 at Thermon Group Holdings, Inc.?
15 people have filed a Form 4 at Thermon Group Holdings, Inc., among them David Buntin (SVP, Products & Technology), John U Clarke (director), Thomas N Cerovski (SVP, Chief Operating Officer). Officers, directors and holders of more than 10% of a share class must report their trades within two business days.
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.