Figures computed from official regulatory filings — .
Ownershipinsiders 0% · institutions 0%
In USD · as of Oct 26, 2026
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Thermodynetics Inc., through its subsidiary, Turbotec Products, Plc, manufactures and sells heat exchangers, fabricated metal components, and flexible connector products for heat transfer and transportation applications in the United States and internationally. It serves customers in the space conditioning, refrigeration, automotive, biomedical, plumbing, appliance, water heating, and aerospace industries. The company was founded in 1972 and is based in Windsor, Connecticut.
Market information source · Oct 26, 2026
SEC company identity · Oct 26, 2026
Open-market timeline · full history
19 buys7 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details | |
|---|---|---|---|---|---|
| FERRARO JOHN F | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| LERMAN ROBERT A | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| HUGHES JOHN J | Other | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | Unusual size | SEC |
| LERMAN ROBERT A | Other | $7.8K | SEC |
| LERMAN ROBERT A | Other | $75K | SEC |
| FERRARO JOHN F | Other | $4.7K | SEC |
| Thermodynetics, Inc. 401(k) Profit-Sharing Plan | Other | $12.5K | SEC |
| SAMUELSON FRED H | Other | $1.3K | SEC |
| HUGHES JOHN J | Other | $1.3K | SEC |
| LERMAN ROBERT A | Other | $12.5K | SEC |
| FERRARO JOHN F | Other | $12.5K | SEC |
| FERRARO JOHN F | Other | $37.5K | SEC |
| HUGHES JOHN J | Other | $2.4K | SEC |
| SAMUELSON FRED H | Other | $2.4K | SEC |
| SAMUELSON FRED H | Other | $1.9K | SEC |
| Thermodynetics, Inc. 401(k) Profit-Sharing Plan | Other | $18.8K | SEC |
| HUGHES JOHN J | Other | $1.9K | SEC |
| Thermodynetics, Inc. 401(k) Profit-Sharing Plan | Other | $18.8K | SEC |
| LERMAN ROBERT A | Other | $10.7K | SEC |
| LERMAN ROBERT A | Other | $18.8K | SEC |
| LERMAN ROBERT A | Sell | $6.3K | SEC |
| THERMODYNETICS INC 401 K RETIREMENT & SAVINGS PLAN | Other | n/a (No price was disclosed in the filing) | SEC |
| LERMAN ROBERT A | Sell | $22.4K | SEC |
| LERMAN ROBERT A | Sell | $21.8K | SEC |
| LERMAN ROBERT A | Sell | $1.5K | SEC |