TGEN
Tecogen Inc.Company with tickers: TGEN
CIK
1537435
CUSIP
87876P201
Shares Outstanding
29,917,952
Website
https://www.tecogen.com
Investor Relations
https://ir.tecogen.com/
13F Activity (30d)
4 filings
3 filers
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-05-04 | 277,527 | 522,592 | 800,119 | 47.7% |
| 2026-04-27 | 336,059 | 1,061,167 | 1,397,226 | 63.7% |
| 2026-04-20 | 349,041 | 1,309,913 | 1,658,954 | 57.7% |
| 2026-04-13 | 494,134 | 1,985,596 | 2,479,730 | 63.8% |
| 2026-04-06 | 264,210 | 700,340 | 964,550 | 56.7% |
| 2026-03-30 | 177,195 | 423,502 | 600,697 | 68.7% |
| 2026-03-23 | 339,594 | 1,016,075 | 1,355,669 | 51.6% |
| 2026-03-16 | 494,286 | 1,554,155 | 2,048,441 | 51.2% |
| 2026-03-09 | 287,377 | 481,421 | 768,798 | 53.3% |
| 2026-03-02 | 186,068 | 564,813 | 750,881 | 45.4% |
| 2026-02-23 | 129,427 | 366,829 | 496,256 | 48.6% |
| 2026-02-16 | 104,644 | 287,939 | 392,583 | 45.6% |
| 2026-02-09 | 195,366 | 405,697 | 601,063 | 50.6% |
| 2026-02-02 | 265,252 | 650,711 | 915,963 | 47.0% |
| 2026-01-26 | 279,124 | 945,275 | 1,224,399 | 51.8% |
| 2026-01-19 | 158,156 | 548,925 | 707,081 | 43.5% |
| 2026-01-12 | 275,444 | 651,445 | 926,889 | 49.7% |
| 2026-01-05 | 959,599 | 3,187,768 | 4,147,367 | 50.6% |
| 2025-12-29 | 214,878 | 700,875 | 915,753 | 49.8% |
| 2025-12-22 | 261,583 | 512,686 | 774,269 | 47.1% |
| 2025-12-15 | 1,352,661 | 1,572,228 | 2,924,889 | 45.6% |
| 2025-12-08 | 337,389 | 599,170 | 936,559 | 49.7% |
| 2025-12-01 | 353,034 | 641,850 | 994,884 | 43.6% |
| 2025-11-24 | 269,957 | 325,994 | 595,951 | 43.7% |
| 2025-11-17 | 531,972 | 1,030,201 | 1,562,173 | 42.3% |
| 2025-11-10 | 544,299 | 1,673,347 | 2,217,646 | 51.0% |
| 2025-11-03 | 343,644 | 1,141,873 | 1,485,517 | 51.6% |
| 2025-10-27 | 622,252 | 1,681,401 | 2,303,653 | 54.6% |
| 2025-10-20 | 352,890 | 1,226,827 | 1,579,717 | 52.5% |
| 2025-10-13 | 1,439,226 | 3,276,551 | 4,715,777 | 55.3% |
| 2025-10-06 | 573,018 | 1,430,992 | 2,004,010 | 53.4% |
| 2025-09-29 | 522,495 | 1,370,780 | 1,893,275 | 55.1% |
| 2025-09-22 | 629,620 | 1,495,668 | 2,125,288 | 50.4% |
| 2025-09-15 | 450,072 | 1,494,270 | 1,944,342 | 52.6% |
| 2025-09-08 | 529,111 | 1,416,483 | 1,945,594 | 50.4% |
| 2025-09-01 | 442,371 | 688,160 | 1,130,531 | 45.7% |
| 2025-08-25 | 390,859 | 990,880 | 1,381,739 | 52.2% |
| 2025-08-18 | 687,140 | 1,531,893 | 2,219,033 | 54.1% |
| 2025-08-11 | 988,359 | 2,444,615 | 3,432,974 | 52.5% |
| 2025-08-04 | 714,004 | 1,930,263 | 2,644,267 | 55.0% |
| 2025-07-28 | 741,460 | 2,073,664 | 2,815,124 | 58.7% |
| 2025-07-21 | 633,584 | 1,621,605 | 2,255,189 | 51.7% |
| 2025-07-14 | 1,150,359 | 3,765,806 | 4,916,165 | 46.1% |
| 2025-07-07 | 161,266 | 905,222 | 1,066,488 | 57.1% |
| 2025-06-30 | 202,652 | 1,101,202 | 1,303,854 | 49.8% |
| 2025-06-23 | 381,959 | 963,007 | 1,344,966 | 47.9% |
Showing 1–46 of 46 weeks