TECOGEN INC NEW

Ticker: TGEN CUSIP: 87876P201 Class: COM

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 56,578 Value ($000) $279 Avg Close $7.51 Range $4.62 - $12.07
Q3 2025
Shares 33,952 Value ($000) $299 Avg Close $8.02 Range $5.63 - $11.55