NYSEMKT: TGENTecogen Inc Stock Ownership - Who owns Tecogen?
Insider buying vs selling
Have Tecogen Inc insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Ahmed Ghoniem | Director | 2026-04-24 | 12,723 | $0.79 | $10.00kBuy |
| Susan B. Hirsch | Director | 2026-04-13 | 5,000 | $3.73 | $18.65kBuy |
| Earl 1. Lewis | Director | 2026-03-27 | 5,000 | $2.52 | $12.60kBuy |
| Susan B. Hirsch | Director | 2026-03-27 | 10,000 | $2.54 | $25.40kBuy |
| Earl 1. Lewis | Director | 2026-03-26 | 5,000 | $2.88 | $14.41kBuy |
| John Kimball Whiting Iv | General Counsel Secretary | 2026-03-23 | 10,000 | $2.38 | $23.80kBuy |
| John Hatsopoulos | Director | 2026-03-20 | 50,000 | $0.88 | $44.00kBuy |
| Abinand Rangesh | Chief Executive Officer | 2026-03-20 | 3,000 | $2.30 | $6.89kBuy |
| Roger P. Deschenes | CAO | 2026-03-20 | 10,000 | $2.23 | $22.30kBuy |
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Net Insider Buy/Sell (L12M) Ownership
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TGEN Shareholders
What type of owners hold Tecogen Inc stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Ann Marie Brown Pacheco | 12.37% | 3,700,864 | $13.80M | Insider |
| George N. Hatsopoulos | 12.05% | 3,605,541 | $13.45M | Insider |
| Yiannis Monovoukas | 8.75% | 2,617,905 | $9.76M | Insider |
| Earl R. Lewis | 5.47% | 1,636,006 | $6.10M | Insider |
| John Hatsopoulos | 3.73% | 1,114,513 | $4.16M | Insider |
| Earl 1. Lewis | 3.38% | 1,011,006 | $3.77M | Insider |
| Vanguard Capital Management LLC | 2.57% | 769,964 | $2.87M | Institution |
| Bard Associates Inc | 2.30% | 688,309 | $2.57M | Institution |
| Clear Harbor Asset Management LLC | 2.17% | 650,000 | $2.42M | Institution |
| Portolan Capital Management LLC | 1.48% | 443,555 | $1.65M | Institution |
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Tecogen Stock Ownership FAQ
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.