Company · CIK 0001537435 · SIC 3585 — Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip · NYSE
TECOGEN INC. · TGEN
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 26, 2026 AForm 4/A → | Sep 8, 5:12 pm EDT | Stephen LafailleVP of Business Development | 29,013 | — | — | 41,389 | — | |
| Jun 26, 2026 AForm 4/A → | Sep 8, 5:11 pm EDT | John Kimball Whiting IVGeneral Counsel & Secretary | 19,342 | — | — | 41,954 | — | |
| Jun 26, 2026 AForm 4/A → | Sep 8, 5:11 pm EDT | Robert PanoraCOO and President | 9,671 | — | — | 72,194 | — | |
| Jun 26, 2026 AForm 4/A → | Sep 8, 5:10 pm EDT | Roger P. DeschenesChief Financial Officer | 29,013 | — | — | 81,975 | — | |
| Jun 26, 2026 AForm 4/A → | Sep 8, 5:08 pm EDT | Abinand RangeshChief Executive Officer, Director | 174,081 | — | — | 241,274 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:36 pm EDT | John Kimball Whiting IVGeneral Counsel & Secretary | 19,342 | — | — | 19,342 | — | amended |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:36 pm EDT | Stephen LafailleVP of Business Development | 29,013 | — | — | 29,013 | — | amended |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:35 pm EDT | Roger P. DeschenesCAO | 29,013 | — | — | 29,013 | — | amended |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:35 pm EDT | Robert PanoraCOO and President | 9,671 | — | — | 9,671 | — | amended |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:34 pm EDT | Abinand RangeshChief Executive Officer, Director | 174,081 | — | — | 174,081 | — | amended |
| Nov 14, 2017 GForm 5 → | Feb 12, 2018, 3:26 pm EST | Robert A PanoraCOO and President | 12,000 | $2.52 | $30,240 | 138,850 | — | plan? |
| Nov 14, 2017 PForm 4 → | Nov 14, 11:40 am EST | Locke M. BenjaminCo-CEO | 2,000 | $2.64 | $5,280 | 3,418 | +141% | plan? |
| May 23, 2017 JForm 4/A → | Apr 11, 2018, 3:14 pm EDT | John HatsopoulosDirector, 10% Owner | 39,412 | — | — | 3,339,145 | — | plan? |
| May 23, 2017 JForm 4 → | May 25, 6:14 pm EDT | Charlest MaxwellDirector | 117,321 | — | — | 224,590 | — | plan? |
| May 23, 2017 JForm 4 → | May 25, 6:11 pm EDT | Locke M. BenjaminCo-CEO | 1,418 | — | — | 1,418 | — | plan? |
| May 23, 2017 JForm 4 → | May 25, 5:58 pm EDT | John HatsopoulosCo-Chief Executive Officer, Director, 10% Owner | 47,338 | — | — | 3,299,733 | — | plan? amended |
| Jan 6, 2017 PForm 4/A → | Jan 27, 4:53 pm EST | Charlest MaxwellDirector | 2,500 | $4.00 | $10,000 | 107,269 | +2.39% | plan? |
| Jan 6, 2017 PForm 4 → | Jan 11, 4:32 pm EST | Charlest MaxwellDirector | 25,000 | $4.00 | $100,000 | 129,769 | +23.9% | plan? late amended |
| Dec 23, 2016 PForm 4 → | Jan 4, 2017, 4:42 pm EST | Charlest MaxwellDirector | 29,769 | $3.87 | $115,154 | 104,769 | +39.7% | plan? late |
| Sep 12, 2016 JForm 4 → | Mar 23, 2017, 4:23 pm EDT | Robert A PanoraCOO and President | 12,500 | — | — | 150,850 | — | plan? late |
| Jun 3, 2016 AGForm 4 → | Dec 14, 5:23 pm EST | John HatsopoulosChief Executive Officer, Director | 2,191,460 | — | — | 183,476 | — | plan? late amended |
| Apr 22, 2016 PForm 4 → | Apr 25, 9:50 pm EDT | John HatsopoulosChief Executive Officer, Director, 10% Owner | 127,226 | — | — | 127,226 | — | plan? |
| Apr 22, 2016 PForm 4 → | Apr 25, 9:50 pm EDT | George N Hatsopoulos10% Owner | 50,890 | — | — | 1,355,541 | — | plan? |
| Jan 6, 2016 GForm 4 → | Jan 22, 4:31 pm EST | John HatsopoulosChief Executive Officer, Director, 10% Owner | 593,770 | — | — | 0 | — | plan? late |
| May 28, 2015 PForm 4 → | Jun 1, 5:15 pm EDT | David A GarrisonCFO, Treasurer and Secretary | 1,500 | $4.31 | $6,469 | 10,000 | +17.6% | plan? |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Jun 26, 2026 AForm 4 → | Jun 30, 8:35 pm EDT | Robert PanoraCOO and President | 26,041 | $5.17 | $134,632 | 26,041 | — | amended |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:34 pm EDT | Abinand RangeshChief Executive Officer, Director | 26,041 | $5.17 | $134,632 | 26,041 | — | amended |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:34 pm EDT | Susan B HirschDirector | 25,000 | $5.17 | $129,250 | 25,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:33 pm EDT | John M AlbertineDirector | 25,000 | $5.17 | $129,250 | 25,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:32 pm EDT | Earl LewisDirector | 25,000 | $5.17 | $129,250 | 25,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:32 pm EDT | Ahmed GhoniemDirector | 25,000 | $5.17 | $129,250 | 25,000 | — | |
| Jun 26, 2026 AForm 4 → | Jun 30, 8:30 pm EDT | Angelina GalitevaDirector | 25,000 | $5.17 | $129,250 | 25,000 | — | |
| May 31, 2018 AForm 4 → | Jun 1, 3:29 pm EDT | Locke M. BenjaminCEO | 200,000 | — | — | 450,600 | — | |
| Jan 15, 2018 AForm 4 → | Jun 1, 3:26 pm EDT | Bonnie Jean BrownChief Accounting Officer | 60,000 | $3.25 | $195,000 | 69,200 | — | late |
| May 23, 2017 JForm 4 → | May 25, 6:14 pm EDT | Charlest MaxwellDirector | 18,400 | — | — | 18,400 | — | |
| May 23, 2017 JForm 4 → | May 25, 6:11 pm EDT | Locke M. BenjaminCo-CEO | 50,600 | — | — | 9,200 | — | |
| May 16, 2016 AForm 4 → | May 18, 4:53 pm EDT | Ahmed GhoniemDirector | 12,723 | $0.786 | $10,000 | 12,723 | — | |
| May 16, 2016 AForm 4 → | May 18, 4:51 pm EDT | Robert A PanoraCOO and President | 12,723 | $0.786 | $10,000 | 12,723 | — | |
| May 16, 2016 AForm 4 → | May 18, 4:49 pm EDT | David A GarrisonCFO, Treasurer and Secretary | 6,362 | $3.93 | $25,003 | 6,362 | — | |
| May 16, 2016 AForm 4 → | May 18, 4:45 pm EDT | John HatsopoulosChief Executive Officer, Director, 10% Owner | 12,723 | $3.93 | $50,001 | 12,723 | — |