Tecogen Inc

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Tecogen Inc
TickerTGEN
CIK #0001537435
CUSIP87876P201
SectorTechnology - Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
Address45 First Avenue, Walthm, MA 02451
Source [EDGAR]
CIK Filing 2011 - 2025
[0001537435] 10-K
[0001537435] 10-Q
[0001537435] 3
[0001537435] 4
[0001537435] 5
[0001537435] 8-K
[0001537435] D
[0001537435] SC 13D
[0001537435] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Pacheco Ann Marie Brown Tecogen Inc [2022-05-10] 14.91
Pacheco Ann Marie Brown Tecogen Inc [2018-08-01] 6.55
Comeau Joseph Tecogen Inc [2018-05-22] 0.07
Tecogen Inc Tecogen Inc [2017-06-23] 10.59
Michaelson Capital Special Finance Fund LP Tecogen Inc [2017-02-14] 5.7
Natsis Tryfon Tecogen Inc [2017-02-01] 8.1
Wincrest Capital Ltd Tecogen Inc [2016-11-25] 6.3
Michaelson Capital Special Finance Fund LP Tecogen Inc [2016-02-19] 6.8
Michaelson Capital Special Finance Fund LP Tecogen Inc [2015-02-23] 5.4
Ritchie Joseph J Tecogen Inc [2015-02-18] 5.6
Hatsopoulos John Tecogen Inc [2015-02-18] 23.4
Hatsopoulos George N Tecogen Inc [2015-02-18] 22.4
Form 3/4/5 Filer 2011 - 2025
Tecogen Inc
Galiteva Angelina
Albertine John M
Lafaille Stephen
Whiting John Kimball IV
Deschenes Roger P.
Rangesh Abinand
Hirsch Susan B
Ghoniem Ahmed
Lewis Earl R
Panora Robert A
Hatsopoulos John
Holubow Fred
Jenkins Ralph
Pacheco Ann Marie Brown
Benjamin Locke M.
Petersen Deanna M
Brown Bonnie Jean
Monovoukas Yiannis
Maxwell Charlest
Davidson Keith
Garrison David A
Hatsopoulos George N
AOUN Joseph E
Hatsopoulos Family 2012 Trust
J&P Enterprises LLC
Form 13F Holdings
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JPMorgan Chase & Co [2025-06-30] DFND 450 450
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UBS Group AG [2025-06-30] DFND 3 3
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