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Mailing Address 45 FIRST AVENUE WALTHAM MA 02451
Business Address 45 FIRST AVENUE WALTHAM MA 02451 781-466-6400
TECOGEN INC. CIK#: 0001537435 (see all company filings)

SIC: 3585 - AIR COND & WARM AIR HEATING EQUIP & COMM & INDL REFRIG EQUIP
State location: MA | State of Inc.: DE | Fiscal Year End: 1231
formerly: TECOGEN INC (filings through 2013-03-27)
(CF Office: 06 Technology)
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Items 1 - 40  0001537435 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
PRE 14A  Documents Other preliminary proxy statements
Acc-no: 0001537435-24-000034 (34 Act)  Size: 1 MB
2024-04-12 001-36103
24841773
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001537435-24-000022 (34 Act)  Size: 9 MB
2024-03-25 001-36103
24778227
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001537435-24-000020 (34 Act)  Size: 3 MB
2024-03-14 001-36103
24748097
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001537435-24-000018 (34 Act)  Size: 151 KB
2024-03-07 001-36103
24729666
8-K  Documents   Interactive Data Current report, item 1.01
Acc-no: 0001537435-24-000015 (34 Act)  Size: 581 KB
2024-02-05 001-36103
24593379
8-K  Documents   Interactive Data Current report, items 7.01 and 9.01
Acc-no: 0001537435-24-000002 (34 Act)  Size: 2 MB
2024-01-16 001-36103
24535557
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001537435-23-000157 (34 Act)  Size: 153 KB
2023-12-14 001-36103
231486912
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001537435-23-000148 (34 Act)  Size: 6 MB
2023-11-09 001-36103
231391128
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001537435-23-000145 (34 Act)  Size: 2 MB
2023-11-08 001-36103
231389182
8-K  Documents   Interactive Data Current report, items 1.01, 7.01, and 9.01
Acc-no: 0001537435-23-000131 (34 Act)  Size: 6 MB
2023-10-10 001-36103
231316181
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001537435-23-000116 (34 Act)  Size: 517 KB
2023-09-26 001-36103
231280017
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001537435-23-000096 (34 Act)  Size: 6 MB
2023-08-10 001-36103
231157455
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001537435-23-000093 (34 Act)  Size: 2 MB
2023-08-09 001-36103
231155685
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001537435-23-000090 (34 Act)  Size: 320 KB
2023-07-24 001-36103
231105387
8-K  Documents   Interactive Data Current report, item 5.07
Acc-no: 0001537435-23-000062 (34 Act)  Size: 181 KB
2023-06-08 001-36103
231001967
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001537435-23-000043 (34 Act)  Size: 28 MB
2023-05-11 001-36103
23908128
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001537435-23-000041 (34 Act)  Size: 2 MB
2023-05-11 001-36103
23908046
8-K  Documents   Interactive Data Current report, item 8.01
Acc-no: 0001537435-23-000036 (34 Act)  Size: 170 KB
2023-05-03 001-36103
23882736
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001537435-23-000034 (34 Act)  Size: 484 KB
2023-04-25 001-36103
23842754
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001537435-23-000021 (34 Act)  Size: 8 MB
2023-03-23 001-36103
23755427
8-K  Documents   Interactive Data Current report, items 1.01, 2.02, 7.01, and 9.01
Acc-no: 0001537435-23-000009 (34 Act)  Size: 14 MB
2023-03-16 001-36103
23737489
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001537435-23-000003 (34 Act)  Size: 655 KB
2023-01-30 001-36103
23565419
8-K  Documents   Interactive Data Current report, item 5.02
Acc-no: 0001537435-22-000134 (34 Act)  Size: 168 KB
2022-12-08 001-36103
221451717
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001537435-22-000130 (34 Act)  Size: 7 MB
2022-11-10 001-36103
221375314
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001537435-22-000129 (34 Act)  Size: 2 MB
2022-11-10 001-36103
221375271
8-K  Documents Current report, item 5.02
Acc-no: 0001537435-22-000115 (34 Act)  Size: 40 KB
2022-09-21 001-36103
221255570
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001537435-22-000102 (34 Act)  Size: 6 MB
2022-08-11 001-36103
221153920
8-K  Documents   Interactive Data Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001537435-22-000101 (34 Act)  Size: 2 MB
2022-08-11 001-36103
221153912
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0001537435-22-000089 (34 Act)  Size: 4 MB
2022-07-20 001-36103
221092980
424B3  Documents Prospectus [Rule 424(b)(3)]
Acc-no: 0001537435-22-000083 (33 Act)  Size: 79 KB
2022-07-01 333-187928
221060249
S-8  Documents Securities to be offered to employees in employee benefit plans
Acc-no: 0001537435-22-000068 (33 Act)  Size: 529 KB
2022-06-23 333-265799
221034024
8-K  Documents Current report, items 7.01 and 9.01
Acc-no: 0001537435-22-000063 (34 Act)  Size: 3 MB
2022-06-15 001-36103
221016701
8-K  Documents Current report, item 5.07
Acc-no: 0001537435-22-000061 (34 Act)  Size: 57 KB
2022-06-10 001-36103
221008543
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0001537435-22-000059 (34 Act)  Size: 5 MB
2022-05-12 001-36103
22916243
8-K  Documents Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001537435-22-000057 (34 Act)  Size: 2 MB
2022-05-12 001-36103
22916142
SC 13G  Documents Statement of acquisition of beneficial ownership by individuals
Acc-no: 0001748455-22-000003 (34 Act)  Size: 67 KB
2022-05-10 005-88720
22908090
DEF 14A  Documents Other definitive proxy statements
Acc-no: 0001537435-22-000039 (34 Act)  Size: 1 MB
2022-04-25 001-36103
22850840
8-K  Documents Current report, items 7.01 and 9.01
Acc-no: 0001537435-22-000035 (34 Act)  Size: 3 MB
2022-03-22 001-36103
22759644
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0001537435-22-000014 (34 Act)  Size: 8 MB
2022-03-10 001-36103
22728146
8-K  Documents Current report, items 2.02, 7.01, and 9.01
Acc-no: 0001537435-22-000013 (34 Act)  Size: 2 MB
2022-03-10 001-36103
22727828