2025Q4
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| J&P Enterprises Llc | — | 3,718,839 | Oct 1, 2013 |
| Pacheco Ann Marie Brown | — | 3,700,864 | May 6, 2022 |
| Hatsopoulos Family 2012 Trust | — | 3,475,714 | Oct 1, 2013 |
| Monovoukas Yiannis | — | 2,617,905 | Jun 22, 2017 |
| Hatsopoulos George N | — | 1,355,541 | Apr 25, 2016 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Jul 24, 2025 | Jul 28, 2025 | ALBERTINE JOHN M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 24, 2025 | Jul 28, 2025 | Lafaille Stephen | VP of Business Development | Neutral | 90.0 | +11,976 | 2994.00% | ✗ | - |
| Jul 24, 2025 | Jul 28, 2025 | Whiting John Kimball IV | General Counsel & Secretary | Neutral | 90.0 | +11,976 | 1883.02% | ✗ | - |
| Jul 24, 2025 | Jul 28, 2025 | Deschenes Roger P. | CAO | Neutral | 90.0 | +17,964 | 71.86% | ✗ | - |
| Jul 24, 2025 | Jul 28, 2025 | Rangesh Abinand | CEO | Neutral | 90.0 | +53,892 | 523.17% | ✗ | - |
| Jul 24, 2025 | Jul 28, 2025 | Hirsch Susan B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 24, 2025 | Jul 28, 2025 | GHONIEM AHMED | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 24, 2025 | Jul 28, 2025 | LEWIS EARL R | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jul 24, 2025 | Jul 28, 2025 | GALITEVA ANGELINA | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 3, 2025 | Jul 14, 2025 | PANORA ROBERT A | COO | Sell | 20.0 | -102,700 | -26.96% | ✗ | $550.8K |
| May 27, 2025 | Jul 14, 2025 | PANORA ROBERT A | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Mar 3, 2025 | Jun 24, 2025 | Lafaille Stephen | VP of Business Development | Sell | 20.0 | -59,600 | -96.75% | ✗ | $344.8K |
| Jun 24, 2025 | Lafaille Stephen | VP of Business Development | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 24, 2025 | Deschenes Roger P. | CAO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 16, 2025 | Jun 20, 2025 | PANORA ROBERT A | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 27, 2025 | Jun 2, 2025 | PANORA ROBERT A | COO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 6, 2025 | May 7, 2025 | LEWIS EARL R | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 1, 2025 | May 5, 2025 | LEWIS EARL R | Director | Buy | 97.5 | +240,256 | 33.05% | ✗ | $514.1K |
| Nov 22, 2024 | Mar 25, 2025 | LEWIS EARL R | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Oct 9, 2023 | Mar 25, 2025 | LEWIS EARL R | Director | Buy | 60.0 | +2,000 | 0.32% | ✗ | $1.6K |
| Jul 15, 2024 | Mar 25, 2025 | LEWIS EARL R | Director | Buy | 77.5 | +10,000 | 1.63% | ✗ | $6.8K |
| Nov 22, 2024 | Dec 6, 2024 | LEWIS EARL R | Director | Buy | 95.0 | +100,000 | 15.70% | ✗ | $71K |
| Oct 9, 2023 | Dec 6, 2024 | LEWIS EARL R | Director | Buy | 60.0 | +2,000 | 0.31% | ✗ | $1.6K |
| Sep 27, 2024 | Sep 27, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 1.02% | ✗ | $8.4K |
| Sep 25, 2024 | Sep 25, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 1.03% | ✗ | $8.6K |
| Aug 19, 2024 | Aug 20, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 1.04% | ✗ | $9K |
| Jul 15, 2024 | Jul 17, 2024 | LEWIS EARL R | Director | Buy | 77.5 | +10,000 | 1.60% | ✗ | $6.8K |
| Jul 15, 2024 | Jul 15, 2024 | LEWIS EARL R | Director | Buy | 77.5 | +10,000 | 1.63% | ✗ | $6.8K |
| Jul 10, 2024 | Jul 12, 2024 | HATSOPOULOS JOHN | Director | Buy | 78.8 | +22,466 | 2.40% | ✗ | $14.6K |
| Jun 6, 2024 | Jun 18, 2024 | GHONIEM AHMED | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 6, 2024 | Jun 18, 2024 | GALITEVA ANGELINA | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 6, 2024 | Jun 18, 2024 | Hirsch Susan B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 6, 2024 | Jun 18, 2024 | ALBERTINE JOHN M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 6, 2024 | Jun 18, 2024 | LEWIS EARL R | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| May 28, 2024 | May 29, 2024 | HATSOPOULOS JOHN | Director | Buy | 55.0 | +1,265 | 0.14% | ✗ | $1K |
| May 29, 2024 | May 29, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 1.08% | ✗ | $8K |
| May 22, 2024 | May 28, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +11,935 | 1.31% | ✗ | $9.5K |
| May 21, 2024 | May 22, 2024 | HATSOPOULOS JOHN | Director | Buy | 78.8 | +13,800 | 1.53% | ✗ | $10.9K |
| May 16, 2024 | May 17, 2024 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +3,000 | 0.33% | ✗ | $2.2K |
| May 15, 2024 | May 16, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 1.13% | ✗ | $7.4K |
| May 1, 2024 | May 3, 2024 | LEWIS EARL R | Director | Buy | 67.5 | +5,000 | 0.82% | ✗ | $3.8K |
| Apr 24, 2024 | Apr 24, 2024 | LEWIS EARL R | Director | Buy | 77.5 | +10,000 | 1.67% | ✗ | $6.8K |
| Apr 24, 2024 | Apr 24, 2024 | HATSOPOULOS JOHN | Director | Buy | 67.5 | +5,000 | 0.57% | ✗ | $3.4K |
| Apr 23, 2024 | Apr 23, 2024 | HATSOPOULOS JOHN | Director | Buy | 67.5 | +6,000 | 0.69% | ✗ | $4.1K |
| Apr 16, 2024 | Apr 16, 2024 | HATSOPOULOS JOHN | Director | Buy | 55.0 | +1,000 | 0.11% | ✗ | $679 |
| Mar 24, 2022 | Apr 16, 2024 | LEWIS EARL R | Director | Buy | 86.3 | +39,165 | 6.98% | ✗ | $29.8K |
| Apr 15, 2024 | Apr 16, 2024 | HATSOPOULOS JOHN | Director | Buy | 55.0 | +1,000 | 0.11% | ✗ | $700 |
| Apr 12, 2024 | Apr 12, 2024 | HATSOPOULOS JOHN | Director | Buy | 55.0 | +1,000 | 0.11% | ✗ | $699.7 |
| Apr 11, 2024 | Apr 11, 2024 | HATSOPOULOS JOHN | Director | Buy | 55.0 | +1,000 | 0.11% | ✗ | $700 |
| Apr 9, 2024 | Apr 9, 2024 | HATSOPOULOS JOHN | Director | Buy | 55.0 | +1,000 | 0.11% | ✗ | $700 |
| Apr 8, 2024 | Apr 8, 2024 | HATSOPOULOS JOHN | Director | Buy | 55.0 | +1,000 | 0.12% | ✗ | $700 |
| Mar 27, 2024 | Apr 2, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 1.16% | ✗ | $7K |
| Jan 24, 2024 | Jan 25, 2024 | LEWIS EARL R | Director | Buy | 77.5 | +9,152 | 1.66% | ✗ | $7.1K |
| Jan 23, 2024 | Jan 23, 2024 | LEWIS EARL R | Director | Buy | 77.5 | +10,000 | 1.85% | ✗ | $6.8K |
| Jan 22, 2024 | Jan 23, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 1.18% | ✗ | $7.7K |
| Jan 18, 2024 | Jan 19, 2024 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 1.19% | ✗ | $7.3K |
| Jan 16, 2024 | Jan 16, 2024 | HATSOPOULOS JOHN | Director | Buy | 95.0 | +100,000 | 13.52% | ✗ | $73.5K |
| Dec 27, 2023 | Dec 28, 2023 | HATSOPOULOS JOHN | Director | Buy | 83.8 | +25,000 | 3.50% | ✗ | $20K |
| Dec 22, 2023 | Dec 26, 2023 | HATSOPOULOS JOHN | Director | Buy | 83.8 | +25,000 | 3.63% | ✗ | $20K |
| Dec 14, 2023 | Dec 15, 2023 | HATSOPOULOS JOHN | Director | Buy | 86.3 | +50,000 | 7.82% | ✗ | $44.7K |
| Nov 20, 2023 | Nov 21, 2023 | HATSOPOULOS JOHN | Director | Buy | 67.5 | +4,000 | 0.63% | ✗ | $3.4K |
| Nov 17, 2023 | Nov 17, 2023 | HATSOPOULOS JOHN | Director | Buy | 86.3 | +46,000 | 7.80% | ✗ | $38.9K |
| Nov 14, 2023 | Nov 17, 2023 | HATSOPOULOS JOHN | Director | Buy | 47.5 | +100 | 0.02% | ✗ | $84.5 |
| Oct 19, 2023 | Oct 20, 2023 | Hirsch Susan B | Director | Buy | 77.5 | +5,000 | 2.04% | ✗ | $4.6K |
| Oct 18, 2023 | Oct 18, 2023 | LEWIS EARL R | Director | Buy | 83.8 | +25,000 | 4.84% | ✗ | $22.8K |
| Oct 17, 2023 | Oct 17, 2023 | HATSOPOULOS JOHN | Director | Buy | 86.3 | +50,000 | 9.27% | ✗ | $40K |
| Oct 12, 2023 | Oct 13, 2023 | HATSOPOULOS JOHN | Director | Buy | 91.3 | +50,000 | 10.22% | ✗ | $40K |
| Oct 9, 2023 | Oct 11, 2023 | LEWIS EARL R | Director | Buy | 60.0 | +2,000 | 0.39% | ✗ | $1.6K |
| Oct 2, 2023 | Hirsch Susan B | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Sep 29, 2023 | Oct 2, 2023 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +2,000 | 0.41% | ✗ | $2K |
| Sep 27, 2023 | Sep 28, 2023 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +1,380 | 0.28% | ✗ | $1.3K |
| Sep 20, 2023 | Sep 27, 2023 | Whiting John Kimball IV | General Counsel & Secretary | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 20, 2023 | Sep 27, 2023 | Rangesh Abinand | CEO | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Sep 26, 2023 | Sep 27, 2023 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +2,000 | 0.41% | ✗ | $1.8K |
| Sep 19, 2023 | Sep 19, 2023 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +5,000 | 1.04% | ✗ | $4.6K |
| Sep 8, 2023 | Sep 11, 2023 | LEWIS EARL R | Director | Buy | 77.5 | +10,000 | 1.98% | ✗ | $9.5K |
| Sep 7, 2023 | Sep 8, 2023 | HATSOPOULOS JOHN | Director | Buy | 47.5 | +200 | 0.04% | ✗ | $200 |
| Sep 5, 2023 | Sep 6, 2023 | LEWIS EARL R | Director | Buy | 78.8 | +10,000 | 2.02% | ✗ | $10K |
| Sep 5, 2023 | Sep 6, 2023 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 2.13% | ✗ | $9.7K |
| Aug 15, 2023 | Sep 1, 2023 | Rangesh Abinand | CEO | Buy | 90.0 | +1,001 | 10.76% | ✗ | $1K |
| Aug 22, 2023 | Aug 23, 2023 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +5,000 | 1.08% | ✗ | $5.6K |
| Aug 15, 2023 | Aug 17, 2023 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +9,674 | 2.13% | ✗ | $9.9K |
| Aug 14, 2023 | Aug 17, 2023 | LEWIS EARL R | Director | Buy | 60.0 | +1,500 | 0.30% | ✗ | $1.5K |
| Jun 26, 2023 | Jun 27, 2023 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +1,000 | 0.22% | ✗ | $960 |
| Jun 20, 2023 | Jun 21, 2023 | HATSOPOULOS JOHN | Director | Buy | 67.5 | +3,000 | 0.67% | ✗ | $3K |
| Jun 20, 2023 | Jun 20, 2023 | Rangesh Abinand | CEO | Buy | 90.0 | +1,500 | 19.23% | ✗ | $1.6K |
| Jun 15, 2023 | Jun 15, 2023 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +5,000 | 1.12% | ✗ | $5.6K |
| Jun 13, 2023 | Jun 15, 2023 | ALBERTINE JOHN M | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2023 | Jun 15, 2023 | HOLUBOW FRED | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2023 | Jun 15, 2023 | LEWIS EARL R | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2023 | Jun 15, 2023 | GHONIEM AHMED | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 13, 2023 | Jun 15, 2023 | GALITEVA ANGELINA | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 12, 2023 | Jun 12, 2023 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +5,000 | 1.14% | ✗ | $5.6K |
| Jun 8, 2023 | Jun 9, 2023 | HATSOPOULOS JOHN | Director | Buy | 55.0 | +500 | 0.11% | ✗ | $546.3 |
| Jun 7, 2023 | Jun 8, 2023 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +10,000 | 2.33% | ✗ | $10K |
| Jun 6, 2023 | Jun 7, 2023 | HATSOPOULOS JOHN | Director | Buy | 77.5 | +7,000 | 1.66% | ✗ | $7K |
| Jun 6, 2023 | Jun 6, 2023 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +1,000 | 0.24% | ✗ | $1.1K |
| Jun 2, 2023 | Jun 5, 2023 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +1,000 | 0.24% | ✗ | $1.1K |
| May 26, 2023 | May 26, 2023 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +1,000 | 0.24% | ✗ | $1.2K |
| May 23, 2023 | May 26, 2023 | HATSOPOULOS JOHN | Director | Buy | 60.0 | +2,000 | 0.48% | ✗ | $2.3K |