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CIK 0001537435 · Non-accelerated filer<br>Smaller reporting company

TECOGEN INC.

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Ticker
TGEN
Exchange
NYSE
Industry
Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
FY end
Dec 31
Incorporated
DE
Entity type
operating
EIN
043536131
Phone
781-466-6400
Business address
76 TREBLE COVE ROAD, BLDG. 1, NORTH BILLERICA, MA, 01862
Former names
TECOGEN INC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Date Insider Transaction Shares Price Value Owned after
2023-12-14 HATSOPOULOS JOHN Director Purchase +1,000 $0.83 $825 640,485
2023-12-14 HATSOPOULOS JOHN Director Purchase +5,000 $0.85 $4K 645,485
2023-12-14 HATSOPOULOS JOHN Director Purchase +44,000 $0.90 $40K 689,485
2023-11-20 HATSOPOULOS JOHN Director Purchase +4,000 $0.85 $3K 639,485
2023-11-17 HATSOPOULOS JOHN Director Purchase +46,000 $0.85 $39K 635,485
2023-11-14 HATSOPOULOS JOHN Director Purchase +100 $0.85 $85 589,485
2023-10-19 Hirsch Susan B Director Purchase +5,000 $0.92 $5K 250,416
2023-10-18 LEWIS EARL R Director Purchase +25,000 $0.91 $23K 541,683
2023-10-17 HATSOPOULOS JOHN Director Purchase +50,000 $0.80 $40K 589,385
2023-10-12 HATSOPOULOS JOHN Director Purchase +50,000 $0.80 $40K 539,385
2023-10-09 LEWIS EARL R Director Purchase +2,000 $0.80 $2K 627,000
2023-10-09 LEWIS EARL R Director Purchase +2,000 $0.80 $2K 637,000
2023-10-09 LEWIS EARL R Director Purchase +2,000 $0.80 $2K 516,683
2023-09-29 HATSOPOULOS JOHN Director Purchase +2,000 $0.98 $2K 489,385
2023-09-27 HATSOPOULOS JOHN Director Purchase +1,380 $0.91 $1K 487,385
2023-09-26 HATSOPOULOS JOHN Director Purchase +2,000 $0.92 $2K 486,005
2023-09-20 Whiting John Kimball IV General Counsel & Secretary Grant or award · Stock Option (Right to Buy) +37,500 $0.88 $33K 400,000
2023-09-20 Rangesh Abinand Chief Executive Officer Grant or award · Stock Option (Right to Buy) +140,000 $0.88 $123K 270,000
2023-09-20 HATSOPOULOS JOHN Director Grant or award · Stock Option (Right to Buy) +50,000 $0.88 $44K 62,723
2023-09-19 HATSOPOULOS JOHN Director Purchase +5,000 $0.91 $5K 484,005

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