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Home/Companies/Tecogen Inc.

Tecogen Inc.

41 insider trades tracked

TGEN
Insider trades
41
Bought (open market)
$134K
Sold (open market)
$0
Acquired (grants)
$2.8M
Unique insiders
11

12-month activity

Monthly insider buy vs sell totals for Tecogen Inc..

BuysSellsFilings with no price (gifts, grants)
Show data table
MonthBuysSellsFilings
November 2025$0$00
December 2025$0$00
January 2026$0$00
February 2026$0$00
March 2026$105K$07
April 2026$29K$03
May 2026$0$00
June 2026$0$017
July 2026$0$00
August 2026$0$00
September 2026$0$00
October 2026$0$00

Recent insider trades

Most recent Form 4 filings for Tecogen Inc..

  • Rangesh Abinandgranted174,081 shares ofTGENat $0Jun 26 · filed Sep 8Details
  • Lafaille Stephengranted29,013 shares ofTGENat $0Jun 26 · filed Sep 8Details
  • Panora Robertgranted9,671 shares ofTGENat $0Jun 26 · filed Sep 8Details

Insiders at this company

Executives and directors who have filed Form 4s.

  • Rangesh Abinand7 trades
  • Deschenes Roger P.5 trades
  • Whiting John Kimball IV5 trades
  • Lewis Earl4 trades
  • Ghoniem Ahmed4 trades
  • Hirsch Susan B4 trades
  • Lafaille Stephen4 trades
  • Panora Robert3 trades

Explore insider screeners

Latest CEO & CFO PurchasesLatest CEO & CFO SalesDirector PurchasesOfficer PurchasesTop Purchases This WeekTop Sales This WeekTop Officer Buys (Month)10% Owner Filings10b5-1 Planned TradesDiscretionary TradesBuy/Sell RatiosPolitician-Insider Overlap
  • Deschenes Roger P.granted29,013 shares ofTGENat $0Jun 26 · filed Sep 8Details
  • Whiting John Kimball IVgranted19,342 shares ofTGENat $0Jun 26 · filed Sep 8Details
  • Whiting John Kimball IVgranted19,342 shares ofTGENJun 26 · filed Jun 30Details
  • Lafaille Stephengranted29,013 shares ofTGENJun 26 · filed Jun 30Details
  • Panora Robertgranted26,041 shares ofTGENat $5.17$135KJun 26 · filed Jun 30Details
  • Panora Robertgranted9,671 shares ofTGENJun 26 · filed Jun 30Details
  • Rangesh Abinandgranted26,041 shares ofTGENat $5.17$135KJun 26 · filed Jun 30Details
  • Rangesh Abinandgranted174,081 shares ofTGENJun 26 · filed Jun 30Details
  • Hirsch Susan Bgranted25,000 shares ofTGENat $5.17$129KJun 26 · filed Jun 30Details
  • Ghoniem Ahmedgranted25,000 shares ofTGENat $5.17$129KJun 26 · filed Jun 30Details
  • Galiteva Angelinagranted25,000 shares ofTGENat $5.17$129KJun 26 · filed Jun 30Details
  • Deschenes Roger P.granted29,013 shares ofTGENJun 26 · filed Jun 30Details
  • Lewis Earlgranted25,000 shares ofTGENat $5.17$129KJun 26 · filed Jun 30Details
  • ALBERTINE JOHN Mgranted25,000 shares ofTGENat $5.17$129KJun 26 · filed Jun 30Details
  • Ghoniem Ahmedexercised12,723 shares ofTGENat $0.786$10KApr 24 · filed Apr 27Details
  • Ghoniem Ahmedbought12,723 shares ofTGENat $0.786$10KApr 24 · filed Apr 27Details
  • Hirsch Susan Bbought5,000 shares ofTGENat $3.73$19KApr 13 · filed Apr 14Details
  • Hirsch Susan Bbought10,000 shares ofTGENat $2.54$25KMar 27Details
  • Lewis Earlbought5,000 shares ofTGENat $2.519$13KMar 27Details
  • Lewis Earlbought5,000 shares ofTGENat $2.882$14KMar 26 · filed Mar 27Details
  • Whiting John Kimball IVbought10,000 shares ofTGENat $2.38$24KMar 23Details
  • Rangesh Abinandbought3,000 shares ofTGENat $2.298$7KMar 20 · filed Mar 23Details
  • Deschenes Roger P.bought10,000 shares ofTGENat $2.23$22KMar 20 · filed Mar 23Details
  • Hatsopoulos Johnexercised50,000 shares ofTGENat $0.88$44KMar 20 · filed Mar 23Details
  • Lafaille Stephengranted24,075 shares ofTGENat $8.35$201KJul 24, 2025 · filed Jul 28, 2025Details
  • Lafaille Stephengranted11,976 shares ofTGENat $0Jul 24, 2025 · filed Jul 28, 2025Details
  • Whiting John Kimball IVgranted24,075 shares ofTGENat $8.35$201KJul 24, 2025 · filed Jul 28, 2025Details
  • View all trades for TGEN →
    ALBERTINE JOHN M
    2 trades
  • Galiteva Angelina2 trades
  • Hatsopoulos John1 trades